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<h1>Source code for module3d</h1><div class="highlight"><pre>
<span></span><span class="ch">#!/usr/bin/python2.7</span>
<span class="c1"># -*- coding: utf-8 -*-</span>
<span class="sd">""" </span>
<span class="sd">**Project Name:** MakeHuman</span>
<span class="sd">**Product Home Page:** http://www.makehuman.org/</span>
<span class="sd">**Code Home Page:** https://bitbucket.org/MakeHuman/makehuman/</span>
<span class="sd">**Authors:** Marc Flerackers, Glynn Clements, Jonas Hauquier</span>
<span class="sd">**Copyright(c):** MakeHuman Team 2001-2017</span>
<span class="sd">**Licensing:** AGPL3</span>
<span class="sd"> This file is part of MakeHuman (www.makehuman.org).</span>
<span class="sd"> This program is free software: you can redistribute it and/or modify</span>
<span class="sd"> it under the terms of the GNU Affero General Public License as</span>
<span class="sd"> published by the Free Software Foundation, either version 3 of the</span>
<span class="sd"> License, or (at your option) any later version.</span>
<span class="sd"> This program is distributed in the hope that it will be useful,</span>
<span class="sd"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<span class="sd"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<span class="sd"> GNU Affero General Public License for more details.</span>
<span class="sd"> You should have received a copy of the GNU Affero General Public License</span>
<span class="sd"> along with this program. If not, see <http://www.gnu.org/licenses/>.</span>
<span class="sd">Abstract</span>
<span class="sd">--------</span>
<span class="sd">TODO</span>
<span class="sd">"""</span>
<span class="kn">import</span> <span class="nn">weakref</span>
<span class="kn">import</span> <span class="nn">numpy</span> <span class="k">as</span> <span class="nn">np</span>
<span class="kn">import</span> <span class="nn">unique</span> <span class="c1"># Bugfix for numpy.unique on older numpy versions</span>
<span class="kn">import</span> <span class="nn">material</span>
<div class="viewcode-block" id="FaceGroup"><a class="viewcode-back" href="../module_module3d.html#module3d.FaceGroup">[docs]</a><span class="k">class</span> <span class="nc">FaceGroup</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> A FaceGroup (a group of faces with a unique name).</span>
<span class="sd"> Each Face object can be part of one FaceGroup. Each face object has an</span>
<span class="sd"> attribute, *group*, storing the FaceGroup it is a member of.</span>
<span class="sd"> The FaceGroup object contains a list of the faces in the group and must be</span>
<span class="sd"> kept in sync with the FaceGroup references stored by the individual faces.</span>
<span class="sd"> </span>
<span class="sd"> .. py:attribute:: name</span>
<span class="sd"> </span>
<span class="sd"> The name. str</span>
<span class="sd"> </span>
<span class="sd"> .. py:attribute:: parent</span>
<span class="sd"> </span>
<span class="sd"> The parent. :py:class:`module3d.Object3D`</span>
<span class="sd"> :param name: The name of the group.</span>
<span class="sd"> :type name: str</span>
<span class="sd"> """</span>
<span class="n">black</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">(</span><span class="mi">3</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">uint8</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="nb">object</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">idx</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">object</span> <span class="o">=</span> <span class="nb">object</span>
<span class="bp">self</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">name</span>
<span class="bp">self</span><span class="o">.</span><span class="n">idx</span> <span class="o">=</span> <span class="n">idx</span>
<span class="bp">self</span><span class="o">.</span><span class="n">color</span> <span class="o">=</span> <span class="kc">None</span>
<span class="bp">self</span><span class="o">.</span><span class="n">colorID</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">black</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> This method returns a string containing the name of the FaceGroup. This</span>
<span class="sd"> method is called when the object is passed to the 'print' function.</span>
<span class="sd"> **Parameters:** This method has no parameters.</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="s1">'facegroup </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span>
<span class="k">def</span> <span class="nf">setColor</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">rgba</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">color</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">asarray</span><span class="p">(</span><span class="n">rgba</span><span class="p">,</span> <span class="n">dtype</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">uint8</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">getObject</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">__object</span><span class="p">:</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">__object</span><span class="p">()</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span> <span class="kc">None</span>
<span class="k">def</span> <span class="nf">setObject</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
<span class="k">if</span> <span class="n">value</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">__object</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">else</span><span class="p">:</span>
<span class="c1"># Ensure link to gui3d.object is weak to avoid circular references (which break garbage collection)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">__object</span> <span class="o">=</span> <span class="n">weakref</span><span class="o">.</span><span class="n">ref</span><span class="p">(</span><span class="n">value</span><span class="p">)</span>
<span class="nb">object</span> <span class="o">=</span> <span class="nb">property</span><span class="p">(</span><span class="n">getObject</span><span class="p">,</span> <span class="n">setObject</span><span class="p">)</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">parent</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">object</span></div>
<span class="k">class</span> <span class="nc">Object3D</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span>
<span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">objName</span><span class="p">,</span> <span class="n">vertsPerPrimitive</span><span class="o">=</span><span class="mi">4</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">clear</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="n">objName</span>
<span class="bp">self</span><span class="o">.</span><span class="n">vertsPerPrimitive</span> <span class="o">=</span> <span class="n">vertsPerPrimitive</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_faceGroups</span> <span class="o">=</span> <span class="p">[]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_groups_rev</span> <span class="o">=</span> <span class="p">{}</span>
<span class="bp">self</span><span class="o">.</span><span class="n">cameraMode</span> <span class="o">=</span> <span class="mi">0</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_visibility</span> <span class="o">=</span> <span class="kc">True</span>
<span class="bp">self</span><span class="o">.</span><span class="n">pickable</span> <span class="o">=</span> <span class="kc">False</span>
<span class="bp">self</span><span class="o">.</span><span class="n">calculateTangents</span> <span class="o">=</span> <span class="kc">True</span> <span class="c1"># TODO disable when not needed by shader</span>
<span class="bp">self</span><span class="o">.</span><span class="n">object3d</span> <span class="o">=</span> <span class="kc">None</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_priority</span> <span class="o">=</span> <span class="mi">0</span>
<span class="bp">self</span><span class="o">.</span><span class="n">MAX_FACES</span> <span class="o">=</span> <span class="mi">8</span>
<span class="c1"># Cache used for retrieving vertex colors multiplied with material diffuse color</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_old_diff</span> <span class="o">=</span> <span class="kc">None</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_r_color_diff</span> <span class="o">=</span> <span class="kc">None</span>
<span class="bp">self</span><span class="o">.</span><span class="n">__object</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">def</span> <span class="nf">clone</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">scale</span><span class="o">=</span><span class="mf">1.0</span><span class="p">,</span> <span class="n">filterMaskedVerts</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span> <span class="c1"># TODO it's also possible to add offset to the parameters</span>
<span class="sd">"""</span>
<span class="sd"> Create a clone of this mesh, with adapted scale.</span>
<span class="sd"> If filterVerts is True, all vertices that are not required (do not</span>
<span class="sd"> belong to any visible face) are removed and vertex mapping is added to</span>
<span class="sd"> cloned object (see filterMaskedVerts()). For a face mapping, the</span>
<span class="sd"> facemask of the original mesh can be used.</span>
<span class="sd"> By default cloning a mesh links it to the object of its parent, remove</span>
<span class="sd"> the link by setting other.object to None before attaching it to a new</span>
<span class="sd"> object.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">getFaceCount</span><span class="p">(</span><span class="n">excludeMaskedFaces</span><span class="o">=</span><span class="n">filterMaskedVerts</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span><span class="s2">"Error cloning mesh </span><span class="si">%s</span><span class="s2">. Cannot clone a mesh with 0 (unmasked) faces!"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">)</span>
<span class="n">other</span> <span class="o">=</span> <span class="nb">type</span><span class="p">(</span><span class="bp">self</span><span class="p">)(</span><span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">vertsPerPrimitive</span><span class="p">)</span>
<span class="k">for</span> <span class="n">prop</span> <span class="ow">in</span> <span class="p">[</span><span class="s1">'cameraMode'</span><span class="p">,</span> <span class="s1">'visibility'</span><span class="p">,</span> <span class="s1">'pickable'</span><span class="p">,</span>
<span class="s1">'calculateTangents'</span><span class="p">,</span> <span class="s1">'priority'</span><span class="p">,</span> <span class="s1">'MAX_FACES'</span><span class="p">,</span> <span class="s1">'object'</span><span class="p">]:</span>
<span class="nb">setattr</span><span class="p">(</span><span class="n">other</span><span class="p">,</span> <span class="n">prop</span><span class="p">,</span> <span class="nb">getattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">prop</span><span class="p">))</span>
<span class="k">for</span> <span class="n">fg</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">faceGroups</span><span class="p">:</span>
<span class="n">ofg</span> <span class="o">=</span> <span class="n">other</span><span class="o">.</span><span class="n">createFaceGroup</span><span class="p">(</span><span class="n">fg</span><span class="o">.</span><span class="n">name</span><span class="p">)</span>
<span class="k">if</span> <span class="n">fg</span><span class="o">.</span><span class="n">color</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">ofg</span><span class="o">.</span><span class="n">color</span> <span class="o">=</span> <span class="n">fg</span><span class="o">.</span><span class="n">color</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">ofg</span><span class="o">.</span><span class="n">color</span> <span class="o">=</span> <span class="n">fg</span><span class="o">.</span><span class="n">color</span>
<span class="k">if</span> <span class="n">filterMaskedVerts</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">filterMaskedVerts</span><span class="p">(</span><span class="n">other</span><span class="p">,</span> <span class="n">update</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
<span class="k">if</span> <span class="n">scale</span> <span class="o">!=</span> <span class="mi">1</span><span class="p">:</span>
<span class="n">other</span><span class="o">.</span><span class="n">coord</span> <span class="o">=</span> <span class="n">scale</span> <span class="o">*</span> <span class="n">other</span><span class="o">.</span><span class="n">coord</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">other</span><span class="o">.</span><span class="n">setCoords</span><span class="p">(</span><span class="n">scale</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">coord</span><span class="p">)</span>
<span class="n">other</span><span class="o">.</span><span class="n">setColor</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">color</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span>
<span class="n">other</span><span class="o">.</span><span class="n">setUVs</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">texco</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span>
<span class="n">other</span><span class="o">.</span><span class="n">setFaces</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">fvert</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="bp">self</span><span class="o">.</span><span class="n">fuvs</span><span class="o">.</span><span class="n">copy</span><span class="p">(),</span> <span class="bp">self</span><span class="o">.</span><span class="n">group</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span>
<span class="n">other</span><span class="o">.</span><span class="n">changeFaceMask</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">face_mask</span><span class="o">.</span><span class="n">copy</span><span class="p">())</span>
<span class="n">other</span><span class="o">.</span><span class="n">calcNormals</span><span class="p">()</span>
<span class="n">other</span><span class="o">.</span><span class="n">updateIndexBuffer</span><span class="p">()</span>
<span class="k">return</span> <span class="n">other</span>
<span class="k">def</span> <span class="nf">transformed</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">transform_mat</span><span class="p">,</span> <span class="n">filterMaskedVerts</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
<span class="sd">"""Create a clone of this mesh with its coordinates transformed</span>
<span class="sd"> with the specified transformation matrix. filterMaskedVerts works the</span>
<span class="sd"> same is for clone()</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="n">transform_mat</span><span class="o">.</span><span class="n">shape</span> <span class="o">==</span> <span class="p">(</span><span class="mi">4</span><span class="p">,</span><span class="mi">4</span><span class="p">):</span>
<span class="n">translation</span> <span class="o">=</span> <span class="n">transform_mat</span><span class="p">[:</span><span class="mi">3</span><span class="p">,</span> <span class="mi">3</span><span class="p">]</span>
<span class="n">transform_mat</span> <span class="o">=</span> <span class="n">transform_mat</span><span class="p">[:</span><span class="mi">3</span><span class="p">,:</span><span class="mi">3</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">translation</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">(</span><span class="mi">3</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">)</span>
<span class="n">result</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">clone</span><span class="p">(</span><span class="n">filterMaskedVerts</span><span class="o">=</span><span class="n">filterMaskedVerts</span><span class="p">)</span>
<span class="n">coords</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">dot</span><span class="p">(</span><span class="n">transform_mat</span><span class="p">,</span> <span class="n">result</span><span class="o">.</span><span class="n">getCoords</span><span class="p">()</span><span class="o">.</span><span class="n">T</span><span class="p">)</span><span class="o">.</span><span class="n">T</span>
<span class="n">coords</span> <span class="o">+=</span> <span class="n">translation</span>
<span class="n">result</span><span class="o">.</span><span class="n">changeCoords</span><span class="p">(</span><span class="n">coords</span><span class="p">)</span>
<span class="n">result</span><span class="o">.</span><span class="n">calcNormals</span><span class="p">()</span>
<span class="n">result</span><span class="o">.</span><span class="n">update</span><span class="p">()</span>
<span class="k">return</span> <span class="n">result</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">parent_map</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Maps vertex indices from this mesh to its original parent mesh </span>
<span class="sd"> (self.parent). This happens recursively to the topmost parent.</span>
<span class="sd"> Forward vertex mapping (self -> self.parent):</span>
<span class="sd"> parent_map[idx] = mIdx: self.coord[idx] -> self.parent.coord[mIdx]</span>
<span class="sd"> Will return a (n, self.MAX_FACES) array if this chain of meshes</span>
<span class="sd"> contains a subdivided mesh.</span>
<span class="sd"> Note that vertex maps only support one subdivision in a chain of mesh</span>
<span class="sd"> to parent meshes.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s1">'parent'</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">parent</span><span class="p">:</span>
<span class="k">return</span> <span class="kc">None</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s1">'_parent_map'</span><span class="p">):</span>
<span class="n">mapping</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">getVertexCount</span><span class="p">(),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">uint32</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">mapping</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_parent_map</span>
<span class="c1"># Traverse to parent</span>
<span class="n">pmap</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">parent_map</span>
<span class="k">if</span> <span class="n">pmap</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="k">return</span> <span class="n">mapping</span>
<span class="k">else</span><span class="p">:</span>
<span class="c1"># Combine mappings to topmost parent</span>
<span class="k">return</span> <span class="n">pmap</span><span class="p">[</span><span class="n">mapping</span><span class="p">]</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">parent_map_weights</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="n">np</span><span class="o">.</span><span class="n">ones</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">getVertexCount</span><span class="p">(),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">)</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">inverse_parent_map</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Maps vertex indices from original parent mesh (self.parent) to </span>
<span class="sd"> this mesh (-1 if vertex is removed in this mesh).</span>
<span class="sd"> This happens recursively to the topmost parent.</span>
<span class="sd"> Reverse vertex mapping:</span>
<span class="sd"> inverse_parent_map[idx] = mIdx: self.parent.coord[idx] -> self.coord[mIdx]</span>
<span class="sd"> Will return a (n, 1+self.MAX_FACES*2) array if this chain of meshes</span>
<span class="sd"> contains a subdivided mesh.</span>
<span class="sd"> Note that vertex maps only support one subdivision in a chain of mesh</span>
<span class="sd"> to parent meshes.</span>
<span class="sd"> """</span>
<span class="c1"># TODO will require nxn matrix if subdivided (catmull-clark module)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s1">'parent'</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">parent</span><span class="p">:</span>
<span class="k">return</span> <span class="kc">None</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s1">'_inverse_parent_map'</span><span class="p">):</span>
<span class="n">mapping</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">getVertexCount</span><span class="p">(),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">int32</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">mapping</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_inverse_parent_map</span>
<span class="c1"># Traverse to parent</span>
<span class="n">pmap</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">inverse_parent_map</span>
<span class="k">if</span> <span class="n">pmap</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="k">return</span> <span class="n">mapping</span>
<span class="k">else</span><span class="p">:</span>
<span class="c1"># Combine mappings to topmost parent</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">mapping</span><span class="o">.</span><span class="n">shape</span><span class="p">)</span> <span class="o">></span> <span class="mi">1</span><span class="p">:</span>
<span class="n">shape</span> <span class="o">=</span> <span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">pmap</span><span class="p">),</span> <span class="n">mapping</span><span class="o">.</span><span class="n">shape</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">shape</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">pmap</span><span class="p">)</span>
<span class="n">result</span> <span class="o">=</span> <span class="o">-</span> <span class="n">np</span><span class="o">.</span><span class="n">ones</span><span class="p">(</span><span class="n">shape</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">int32</span><span class="p">)</span>
<span class="n">idx</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">where</span><span class="p">(</span><span class="n">pmap</span> <span class="o">></span> <span class="o">-</span><span class="mi">1</span><span class="p">)</span>
<span class="n">result</span><span class="p">[</span><span class="n">idx</span><span class="p">]</span> <span class="o">=</span> <span class="n">mapping</span><span class="p">[</span> <span class="n">pmap</span><span class="p">[</span><span class="n">idx</span><span class="p">]</span> <span class="p">]</span>
<span class="k">return</span> <span class="n">result</span>
<span class="k">def</span> <span class="nf">filterMaskedVerts</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">other</span><span class="p">,</span> <span class="n">update</span><span class="o">=</span><span class="kc">True</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Set the vertices, faces and vertex attributes of other object to the</span>
<span class="sd"> vertices and faces of this mesh object, with the hidden faces and</span>
<span class="sd"> vertices filtered out.</span>
<span class="sd"> The other mesh contains a parent_map which maps vertex indices from</span>
<span class="sd"> the other to its original mesh and inverse_parent_map which maps vertex</span>
<span class="sd"> indexes from original to other (-1 if removed).</span>
<span class="sd"> other.parent is set to the original mesh.</span>
<span class="sd"> """</span>
<span class="c1"># TODO or build a chain of parents?</span>
<span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s1">'parent'</span><span class="p">)</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">parent</span><span class="p">:</span>
<span class="n">other</span><span class="o">.</span><span class="n">parent</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">parent</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">other</span><span class="o">.</span><span class="n">parent</span> <span class="o">=</span> <span class="bp">self</span>
<span class="c1"># Forward vertex mapping:</span>
<span class="c1"># _parent_map[idx] = mIdx: other.coord[idx] -> self.coord[mIdx]</span>
<span class="n">other</span><span class="o">.</span><span class="n">_parent_map</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">unique</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">getVerticesForFaceMask</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">face_mask</span><span class="p">))</span>
<span class="c1"># Reverse vertex mapping:</span>
<span class="c1"># _inverse_parent_map[idx] = mIdx: self.coord[idx] -> other.coord[mIdx]</span>
<span class="n">other</span><span class="o">.</span><span class="n">_inverse_parent_map</span> <span class="o">=</span> <span class="o">-</span> <span class="n">np</span><span class="o">.</span><span class="n">ones</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">getVertexCount</span><span class="p">(),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">int32</span><span class="p">)</span>
<span class="n">other</span><span class="o">.</span><span class="n">_inverse_parent_map</span><span class="p">[</span><span class="n">other</span><span class="o">.</span><span class="n">parent_map</span><span class="p">]</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">other</span><span class="o">.</span><span class="n">_parent_map</span><span class="p">),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">int32</span><span class="p">)</span>
<span class="c1">#other._inverse_parent_map = np.ma.masked_less(other._inverse_parent_map, 0) # TODO might be useful</span>
<span class="n">other</span><span class="o">.</span><span class="n">setCoords</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">coord</span><span class="p">[</span><span class="n">other</span><span class="o">.</span><span class="n">parent_map</span><span class="p">])</span>
<span class="n">other</span><span class="o">.</span><span class="n">setColor</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">color</span><span class="p">[</span><span class="n">other</span><span class="o">.</span><span class="n">parent_map</span><span class="p">])</span>
<span class="c1"># Filter out and remap masked faces</span>
<span class="n">fvert</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">fvert</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">face_mask</span><span class="p">]</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="n">xrange</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">vertsPerPrimitive</span><span class="p">):</span>
<span class="n">fvert</span><span class="p">[:,</span><span class="n">i</span><span class="p">]</span> <span class="o">=</span> <span class="n">other</span><span class="o">.</span><span class="n">_inverse_parent_map</span><span class="p">[</span><span class="n">fvert</span><span class="p">[:,</span><span class="n">i</span><span class="p">]]</span>
<span class="c1"># Filter out and remap unused UVs</span>
<span class="n">fuvs</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">fuvs</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">face_mask</span><span class="p">]</span>
<span class="n">uv_idx</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">unique</span><span class="p">(</span><span class="n">fuvs</span><span class="o">.</span><span class="n">reshape</span><span class="p">(</span><span class="o">-</span><span class="mi">1</span><span class="p">))</span>
<span class="n">inverse_uv_idx</span> <span class="o">=</span> <span class="o">-</span> <span class="n">np</span><span class="o">.</span><span class="n">ones</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">texco</span><span class="o">.</span><span class="n">shape</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">int32</span><span class="p">)</span>
<span class="n">inverse_uv_idx</span><span class="p">[</span><span class="n">uv_idx</span><span class="p">]</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">texco</span><span class="o">.</span><span class="n">shape</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">int32</span><span class="p">)</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="n">xrange</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">vertsPerPrimitive</span><span class="p">):</span>
<span class="n">fuvs</span><span class="p">[:,</span><span class="n">i</span><span class="p">]</span> <span class="o">=</span> <span class="n">inverse_uv_idx</span><span class="p">[</span><span class="n">fuvs</span><span class="p">[:,</span><span class="n">i</span><span class="p">]]</span>
<span class="n">other</span><span class="o">.</span><span class="n">setUVs</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">texco</span><span class="p">[</span><span class="n">uv_idx</span><span class="p">])</span>
<span class="n">other</span><span class="o">.</span><span class="n">setFaces</span><span class="p">(</span><span class="n">fvert</span><span class="p">,</span> <span class="n">fuvs</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">group</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">face_mask</span><span class="p">])</span>
<span class="k">if</span> <span class="n">update</span><span class="p">:</span>
<span class="n">other</span><span class="o">.</span><span class="n">calcNormals</span><span class="p">()</span>
<span class="n">other</span><span class="o">.</span><span class="n">updateIndexBuffer</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">getCenter</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Get center position of mesh using center of its bounding box.</span>
<span class="sd"> """</span>
<span class="n">bBox</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">calcBBox</span><span class="p">()</span>
<span class="n">bmin</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">asarray</span><span class="p">(</span><span class="n">bBox</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">)</span>
<span class="n">bmax</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">asarray</span><span class="p">(</span><span class="n">bBox</span><span class="p">[</span><span class="mi">1</span><span class="p">],</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">)</span>
<span class="k">return</span> <span class="o">-</span><span class="p">(</span><span class="n">bmin</span> <span class="o">+</span> <span class="p">((</span><span class="n">bmax</span> <span class="o">-</span> <span class="n">bmin</span><span class="p">)</span><span class="o">/</span><span class="mi">2</span><span class="p">))</span>
<span class="k">def</span> <span class="nf">calcFaceNormals</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">ix</span> <span class="o">=</span> <span class="kc">None</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Calculate the face normals. A right-handed coordinate system is assumed,</span>
<span class="sd"> which requires mesh faces to be defined with counter clock-wise vertex order.</span>
<span class="sd"> Face normals are not normalized.</span>
<span class="sd"> Faces are treated as if they were triangles (using only the 3 first verts), </span>
<span class="sd"> so for quads with non co-planar points, inaccuracies may occur (even though </span>
<span class="sd"> those have a high change of being corrected by neighbouring faces).</span>
<span class="sd"> """</span>
<span class="c1"># We assume counter clock-wise winding order</span>
<span class="c1"># (if your normals are inversed, you're using clock-wise winding order)</span>
<span class="k">if</span> <span class="n">ix</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">ix</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">s_</span><span class="p">[:]</span>
<span class="n">fvert</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">coord</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">fvert</span><span class="p">[</span><span class="n">ix</span><span class="p">]]</span>
<span class="n">v1</span> <span class="o">=</span> <span class="n">fvert</span><span class="p">[:,</span><span class="mi">0</span><span class="p">,:]</span>
<span class="n">v2</span> <span class="o">=</span> <span class="n">fvert</span><span class="p">[:,</span><span class="mi">1</span><span class="p">,:]</span>
<span class="n">v3</span> <span class="o">=</span> <span class="n">fvert</span><span class="p">[:,</span><span class="mi">2</span><span class="p">,:]</span>
<span class="n">va</span> <span class="o">=</span> <span class="n">v1</span> <span class="o">-</span> <span class="n">v2</span>
<span class="n">vb</span> <span class="o">=</span> <span class="n">v2</span> <span class="o">-</span> <span class="n">v3</span>
<span class="bp">self</span><span class="o">.</span><span class="n">fnorm</span><span class="p">[</span><span class="n">ix</span><span class="p">]</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">cross</span><span class="p">(</span><span class="n">va</span><span class="p">,</span> <span class="n">vb</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">calcVertexNormals</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">ix</span> <span class="o">=</span> <span class="kc">None</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Calculate per-vertex normals from the face normals for smooth shading</span>
<span class="sd"> the model. Requires face normals to be calculated first.</span>
<span class="sd"> """</span>
<span class="bp">self</span><span class="o">.</span><span class="n">markCoords</span><span class="p">(</span><span class="n">ix</span><span class="p">,</span> <span class="n">norm</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
<span class="k">if</span> <span class="n">ix</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">ix</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">s_</span><span class="p">[:]</span>
<span class="n">vface</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">vface</span><span class="p">[</span><span class="n">ix</span><span class="p">]</span>
<span class="n">norms</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">fnorm</span><span class="p">[</span><span class="n">vface</span><span class="p">]</span>
<span class="n">norms</span> <span class="o">*=</span> <span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">MAX_FACES</span><span class="p">)[</span><span class="kc">None</span><span class="p">,:,</span><span class="kc">None</span><span class="p">]</span> <span class="o"><</span> <span class="bp">self</span><span class="o">.</span><span class="n">nfaces</span><span class="p">[</span><span class="n">ix</span><span class="p">][:,</span><span class="kc">None</span><span class="p">,</span><span class="kc">None</span><span class="p">]</span>
<span class="n">norms</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">sum</span><span class="p">(</span><span class="n">norms</span><span class="p">,</span> <span class="n">axis</span><span class="o">=</span><span class="mi">1</span><span class="p">)</span>
<span class="n">norms</span> <span class="o">/=</span> <span class="n">np</span><span class="o">.</span><span class="n">sqrt</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">sum</span><span class="p">(</span><span class="n">norms</span> <span class="o">**</span> <span class="mi">2</span><span class="p">,</span> <span class="n">axis</span><span class="o">=-</span><span class="mi">1</span><span class="p">))[:,</span><span class="kc">None</span><span class="p">]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">vnorm</span><span class="p">[</span><span class="n">ix</span><span class="p">]</span> <span class="o">=</span> <span class="n">norms</span>
<span class="k">def</span> <span class="nf">calcVertexTangents</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">ix</span> <span class="o">=</span> <span class="kc">None</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Calculate vertex tangents using Lengyel’s Method.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">has_uv</span><span class="p">:</span>
<span class="k">return</span>
<span class="bp">self</span><span class="o">.</span><span class="n">markCoords</span><span class="p">(</span><span class="n">ix</span><span class="p">,</span> <span class="n">norm</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
<span class="k">if</span> <span class="n">ix</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">ix</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">s_</span><span class="p">[:]</span>
<span class="n">xLen</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">getVertexCount</span><span class="p">()</span>
<span class="n">f_ix</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">s_</span><span class="p">[:]</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">xLen</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">ix</span><span class="p">)</span>
<span class="n">f_ix</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">unique</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">vface</span><span class="p">[</span><span class="n">ix</span><span class="p">])</span>
<span class="c1"># This implementation is based on</span>
<span class="c1"># http://www.terathon.com/code/tangent.html</span>
<span class="n">tan</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">((</span><span class="n">xLen</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">3</span><span class="p">),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">)</span>
<span class="n">fvert</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">coord</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">fvert</span><span class="p">[</span><span class="n">f_ix</span><span class="p">]]</span>
<span class="n">v1</span> <span class="o">=</span> <span class="n">fvert</span><span class="p">[:,</span><span class="mi">0</span><span class="p">,:]</span>
<span class="n">v2</span> <span class="o">=</span> <span class="n">fvert</span><span class="p">[:,</span><span class="mi">1</span><span class="p">,:]</span>
<span class="n">v3</span> <span class="o">=</span> <span class="n">fvert</span><span class="p">[:,</span><span class="mi">2</span><span class="p">,:]</span>
<span class="n">x1</span> <span class="o">=</span> <span class="n">v2</span><span class="p">[:,</span><span class="mi">0</span><span class="p">]</span> <span class="o">-</span> <span class="n">v1</span><span class="p">[:,</span><span class="mi">0</span><span class="p">]</span>
<span class="n">x2</span> <span class="o">=</span> <span class="n">v3</span><span class="p">[:,</span><span class="mi">0</span><span class="p">]</span> <span class="o">-</span> <span class="n">v1</span><span class="p">[:,</span><span class="mi">0</span><span class="p">]</span>
<span class="n">y1</span> <span class="o">=</span> <span class="n">v2</span><span class="p">[:,</span><span class="mi">1</span><span class="p">]</span> <span class="o">-</span> <span class="n">v1</span><span class="p">[:,</span><span class="mi">1</span><span class="p">]</span>
<span class="n">y2</span> <span class="o">=</span> <span class="n">v3</span><span class="p">[:,</span><span class="mi">1</span><span class="p">]</span> <span class="o">-</span> <span class="n">v1</span><span class="p">[:,</span><span class="mi">1</span><span class="p">]</span>
<span class="n">z1</span> <span class="o">=</span> <span class="n">v2</span><span class="p">[:,</span><span class="mi">2</span><span class="p">]</span> <span class="o">-</span> <span class="n">v1</span><span class="p">[:,</span><span class="mi">2</span><span class="p">]</span>
<span class="n">z2</span> <span class="o">=</span> <span class="n">v3</span><span class="p">[:,</span><span class="mi">2</span><span class="p">]</span> <span class="o">-</span> <span class="n">v1</span><span class="p">[:,</span><span class="mi">2</span><span class="p">]</span>
<span class="n">fuv</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">texco</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">fuvs</span><span class="p">[</span><span class="n">f_ix</span><span class="p">]]</span>
<span class="n">w1</span> <span class="o">=</span> <span class="n">fuv</span><span class="p">[:,</span><span class="mi">0</span><span class="p">,:]</span>
<span class="n">w2</span> <span class="o">=</span> <span class="n">fuv</span><span class="p">[:,</span><span class="mi">1</span><span class="p">,:]</span>
<span class="n">w3</span> <span class="o">=</span> <span class="n">fuv</span><span class="p">[:,</span><span class="mi">2</span><span class="p">,:]</span>
<span class="n">s1</span> <span class="o">=</span> <span class="n">w2</span><span class="p">[:,</span><span class="mi">0</span><span class="p">]</span> <span class="o">-</span> <span class="n">w1</span><span class="p">[:,</span><span class="mi">0</span><span class="p">]</span>
<span class="n">s2</span> <span class="o">=</span> <span class="n">w3</span><span class="p">[:,</span><span class="mi">0</span><span class="p">]</span> <span class="o">-</span> <span class="n">w1</span><span class="p">[:,</span><span class="mi">0</span><span class="p">]</span>
<span class="n">t1</span> <span class="o">=</span> <span class="n">w2</span><span class="p">[:,</span><span class="mi">1</span><span class="p">]</span> <span class="o">-</span> <span class="n">w1</span><span class="p">[:,</span><span class="mi">1</span><span class="p">]</span>
<span class="n">t2</span> <span class="o">=</span> <span class="n">w3</span><span class="p">[:,</span><span class="mi">1</span><span class="p">]</span> <span class="o">=</span> <span class="n">w1</span><span class="p">[:,</span><span class="mi">1</span><span class="p">]</span>
<span class="c1"># Prevent NANs because of borked up UV coordinates # TODO perhaps remove this</span>
<span class="n">s1</span><span class="p">[</span><span class="n">np</span><span class="o">.</span><span class="n">argwhere</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">equal</span><span class="p">(</span><span class="n">s1</span><span class="p">,</span> <span class="mf">0.0</span><span class="p">))]</span> <span class="o">=</span> <span class="mf">0.0000001</span>
<span class="n">s2</span><span class="p">[</span><span class="n">np</span><span class="o">.</span><span class="n">argwhere</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">equal</span><span class="p">(</span><span class="n">s2</span><span class="p">,</span> <span class="mf">0.0</span><span class="p">))]</span> <span class="o">=</span> <span class="mf">0.0000001</span>
<span class="n">t1</span><span class="p">[</span><span class="n">np</span><span class="o">.</span><span class="n">argwhere</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">equal</span><span class="p">(</span><span class="n">t1</span><span class="p">,</span> <span class="mf">0.0</span><span class="p">))]</span> <span class="o">=</span> <span class="mf">0.0000001</span>
<span class="n">t2</span><span class="p">[</span><span class="n">np</span><span class="o">.</span><span class="n">argwhere</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">equal</span><span class="p">(</span><span class="n">t2</span><span class="p">,</span> <span class="mf">0.0</span><span class="p">))]</span> <span class="o">=</span> <span class="mf">0.0000001</span>
<span class="n">r</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">repeat</span><span class="p">(</span><span class="mf">1.0</span><span class="p">,</span> <span class="nb">len</span><span class="p">(</span><span class="n">s1</span><span class="p">))</span> <span class="o">/</span> <span class="p">(</span> <span class="p">(</span><span class="n">s1</span> <span class="o">*</span> <span class="n">t2</span><span class="p">)</span> <span class="o">-</span> <span class="p">(</span><span class="n">s2</span> <span class="o">*</span> <span class="n">t1</span><span class="p">)</span> <span class="p">)</span>
<span class="n">sdir</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">((</span><span class="bp">self</span><span class="o">.</span><span class="n">getFaceCount</span><span class="p">(),</span><span class="mi">3</span><span class="p">),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">)</span>
<span class="n">tdir</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">((</span><span class="bp">self</span><span class="o">.</span><span class="n">getFaceCount</span><span class="p">(),</span><span class="mi">3</span><span class="p">),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">)</span>
<span class="n">sdir</span><span class="p">[</span><span class="n">f_ix</span><span class="p">]</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">column_stack</span><span class="p">(</span> <span class="p">[</span> <span class="p">(</span> <span class="p">(</span><span class="n">t2</span> <span class="o">*</span> <span class="n">x1</span><span class="p">)</span> <span class="o">-</span> <span class="p">(</span><span class="n">t1</span> <span class="o">*</span> <span class="n">x2</span><span class="p">)</span> <span class="p">)</span> <span class="o">*</span> <span class="n">r</span><span class="p">,</span>
<span class="p">(</span> <span class="p">(</span><span class="n">t2</span> <span class="o">*</span> <span class="n">y1</span><span class="p">)</span> <span class="o">-</span> <span class="p">(</span><span class="n">t1</span> <span class="o">*</span> <span class="n">y2</span><span class="p">)</span> <span class="p">)</span> <span class="o">*</span> <span class="n">r</span><span class="p">,</span>
<span class="p">(</span> <span class="p">(</span><span class="n">t2</span> <span class="o">*</span> <span class="n">z1</span><span class="p">)</span> <span class="o">-</span> <span class="p">(</span><span class="n">t1</span> <span class="o">*</span> <span class="n">z2</span><span class="p">)</span> <span class="p">)</span> <span class="o">*</span> <span class="n">r</span> <span class="p">]</span> <span class="p">)</span>
<span class="n">tdir</span><span class="p">[</span><span class="n">f_ix</span><span class="p">]</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">column_stack</span><span class="p">(</span> <span class="p">[</span> <span class="p">(</span> <span class="p">(</span><span class="n">s1</span> <span class="o">*</span> <span class="n">x2</span><span class="p">)</span> <span class="o">-</span> <span class="p">(</span><span class="n">s2</span> <span class="o">*</span> <span class="n">x1</span><span class="p">)</span> <span class="p">)</span> <span class="o">*</span> <span class="n">r</span><span class="p">,</span>
<span class="p">(</span> <span class="p">(</span><span class="n">s1</span> <span class="o">*</span> <span class="n">y2</span><span class="p">)</span> <span class="o">-</span> <span class="p">(</span><span class="n">s2</span> <span class="o">*</span> <span class="n">y1</span><span class="p">)</span> <span class="p">)</span> <span class="o">*</span> <span class="n">r</span><span class="p">,</span>
<span class="p">(</span> <span class="p">(</span><span class="n">s1</span> <span class="o">*</span> <span class="n">z2</span><span class="p">)</span> <span class="o">-</span> <span class="p">(</span><span class="n">s2</span> <span class="o">*</span> <span class="n">z1</span><span class="p">)</span> <span class="p">)</span> <span class="o">*</span> <span class="n">r</span> <span class="p">]</span> <span class="p">)</span>
<span class="n">tan</span><span class="p">[:,</span><span class="mi">0</span><span class="p">]</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">sum</span><span class="p">(</span><span class="n">sdir</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">vface</span><span class="p">[</span><span class="n">ix</span><span class="p">]])</span>
<span class="n">tan</span><span class="p">[:,</span><span class="mi">1</span><span class="p">]</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">sum</span><span class="p">(</span><span class="n">tdir</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">vface</span><span class="p">[</span><span class="n">ix</span><span class="p">]])</span>
<span class="c1"># Gramm-Schmidt orthogonalize</span>
<span class="n">dotP</span> <span class="o">=</span> <span class="n">dot_v3</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">vnorm</span><span class="p">[</span><span class="n">ix</span><span class="p">],</span> <span class="n">tan</span><span class="p">[:,</span><span class="mi">0</span><span class="p">]</span> <span class="p">)</span>
<span class="c1"># Duplicate dot product value in 3 columns because scalar * (n x 3)</span>
<span class="c1"># does not work</span>
<span class="n">dotP</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">tile</span><span class="p">(</span><span class="n">dotP</span><span class="p">,</span> <span class="p">(</span><span class="mi">3</span><span class="p">,</span><span class="mi">1</span><span class="p">))</span><span class="o">.</span><span class="n">transpose</span><span class="p">()</span><span class="o">.</span><span class="n">reshape</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">tan</span><span class="p">),</span><span class="mi">3</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">vtang</span><span class="p">[</span><span class="n">ix</span><span class="p">,:</span><span class="mi">3</span><span class="p">]</span> <span class="o">=</span> <span class="n">tan</span><span class="p">[:,</span><span class="mi">0</span><span class="p">]</span> <span class="o">-</span> <span class="n">dotP</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">vnorm</span><span class="p">[</span><span class="n">ix</span><span class="p">]</span>
<span class="c1"># Normalize</span>
<span class="bp">self</span><span class="o">.</span><span class="n">vtang</span><span class="p">[</span><span class="n">ix</span><span class="p">,:</span><span class="mi">3</span><span class="p">]</span> <span class="o">/=</span> <span class="n">np</span><span class="o">.</span><span class="n">sqrt</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">sum</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">vtang</span><span class="p">[</span><span class="n">ix</span><span class="p">,:</span><span class="mi">3</span><span class="p">]</span> <span class="o">**</span> <span class="mi">2</span><span class="p">,</span> <span class="n">axis</span><span class="o">=-</span><span class="mi">1</span><span class="p">))[:,</span><span class="kc">None</span><span class="p">]</span>
<span class="c1"># Determine Handedness as w parameter</span>
<span class="bp">self</span><span class="o">.</span><span class="n">vtang</span><span class="p">[</span><span class="n">ix</span><span class="p">,</span> <span class="mi">3</span><span class="p">]</span> <span class="o">=</span> <span class="mf">1.0</span>
<span class="n">indx</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">argwhere</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">less</span><span class="p">(</span><span class="n">dot_v3</span><span class="p">(</span> \
<span class="n">np</span><span class="o">.</span><span class="n">cross</span><span class="p">(</span> \
<span class="bp">self</span><span class="o">.</span><span class="n">vnorm</span><span class="p">[</span><span class="n">ix</span><span class="p">],</span> \
<span class="n">tan</span><span class="p">[:,</span><span class="mi">0</span><span class="p">]),</span> \
<span class="n">tan</span><span class="p">[:,</span><span class="mi">1</span><span class="p">]),</span> \
<span class="mf">0.0</span><span class="p">))</span>
<span class="bp">self</span><span class="o">.</span><span class="n">vtang</span><span class="p">[</span><span class="n">ix</span><span class="p">,</span><span class="mi">3</span><span class="p">][</span><span class="n">indx</span><span class="p">]</span> <span class="o">=</span> <span class="o">-</span><span class="mf">1.0</span>
<span class="k">def</span> <span class="nf">getObject</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">__object</span><span class="p">:</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">__object</span><span class="p">()</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span> <span class="kc">None</span>
<span class="k">def</span> <span class="nf">setObject</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">value</span><span class="p">):</span>
<span class="k">if</span> <span class="n">value</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">__object</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">else</span><span class="p">:</span>
<span class="c1"># Ensure link to gui3d.object is weak to avoid circular references (which break garbage collection)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">__object</span> <span class="o">=</span> <span class="n">weakref</span><span class="o">.</span><span class="n">ref</span><span class="p">(</span><span class="n">value</span><span class="p">)</span>
<span class="nb">object</span> <span class="o">=</span> <span class="nb">property</span><span class="p">(</span><span class="n">getObject</span><span class="p">,</span> <span class="n">setObject</span><span class="p">)</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">faceGroups</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="nb">iter</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_faceGroups</span><span class="p">)</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">faceGroupCount</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_faceGroups</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">clear</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Clears both local and remote data to repurpose this object</span>
<span class="sd"> """</span>
<span class="c1"># Clear remote data</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_faceGroups</span> <span class="o">=</span> <span class="p">[]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_transparentPrimitives</span> <span class="o">=</span> <span class="mi">0</span>
<span class="bp">self</span><span class="o">.</span><span class="n">fvert</span> <span class="o">=</span> <span class="p">[]</span> <span class="c1"># Reference to vertex attributes (coordinate, normal, color, tang) that form the faces (idx = face idx)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">fnorm</span> <span class="o">=</span> <span class="p">[]</span> <span class="c1"># Stores the face normal of the faces (idx = face idx)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">fuvs</span> <span class="o">=</span> <span class="p">[]</span> <span class="c1"># References to UVs at the verts of the faces (idx = face idx) (NOTE: UVs are not tied to vertex IDs, and are not necessarily uniform per vertex, like the other attributes!)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">group</span> <span class="o">=</span> <span class="p">[]</span> <span class="c1"># Determines facegroup per face (idx = face idx)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">face_mask</span> <span class="o">=</span> <span class="p">[]</span> <span class="c1"># Determines visibility per face (idx = face idx)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">texco</span> <span class="o">=</span> <span class="p">[]</span> <span class="c1"># UV coordinates (idx = uv idx)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">coord</span> <span class="o">=</span> <span class="p">[]</span> <span class="c1"># Vertex coordinates (positions) (idx = vertex idx)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">vnorm</span> <span class="o">=</span> <span class="p">[]</span> <span class="c1"># Vertex normals (idx = vertex idx)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">vtang</span> <span class="o">=</span> <span class="p">[]</span> <span class="c1"># Vertex tangents (idx = vertex idx)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">color</span> <span class="o">=</span> <span class="p">[]</span> <span class="c1"># Vertex colors (idx = vertex idx)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">vface</span> <span class="o">=</span> <span class="p">[]</span> <span class="c1"># References the faces that a vertex belongs to (limited to MAX_FACES) (idx = vertex idx)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">nfaces</span> <span class="o">=</span> <span class="mi">0</span> <span class="c1"># Polycount</span>
<span class="bp">self</span><span class="o">.</span><span class="n">ucoor</span> <span class="o">=</span> <span class="kc">False</span> <span class="c1"># Update flags for updating to OpenGL renderbuffers</span>
<span class="bp">self</span><span class="o">.</span><span class="n">unorm</span> <span class="o">=</span> <span class="kc">False</span>
<span class="bp">self</span><span class="o">.</span><span class="n">utang</span> <span class="o">=</span> <span class="kc">False</span>
<span class="bp">self</span><span class="o">.</span><span class="n">ucolr</span> <span class="o">=</span> <span class="kc">False</span>
<span class="bp">self</span><span class="o">.</span><span class="n">utexc</span> <span class="o">=</span> <span class="kc">False</span>
<span class="bp">self</span><span class="o">.</span><span class="n">has_uv</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s1">'index'</span><span class="p">):</span> <span class="k">del</span> <span class="bp">self</span><span class="o">.</span><span class="n">index</span>
<span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s1">'grpix'</span><span class="p">):</span> <span class="k">del</span> <span class="bp">self</span><span class="o">.</span><span class="n">grpix</span>
<span class="bp">self</span><span class="o">.</span><span class="n">vmap</span> <span class="o">=</span> <span class="kc">None</span> <span class="c1"># Maps unwelded vertices back to original welded ones (idx = unwelded vertex idx)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">tmap</span> <span class="o">=</span> <span class="kc">None</span> <span class="c1"># Maps unwelded vertex texture (UV) coordinates back to original ones (idx = unwelded vertex idx)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_inverse_vmap</span> <span class="o">=</span> <span class="kc">None</span> <span class="c1"># Cached inverse of vmap: maps original welded vert idx (coord) to one or multiple unwelded vert idxs (r_coord)</span>
<span class="c1"># Unwelded vertex buffers used by OpenGL</span>
<span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s1">'r_coord'</span><span class="p">):</span> <span class="k">del</span> <span class="bp">self</span><span class="o">.</span><span class="n">r_coord</span>
<span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s1">'r_texco'</span><span class="p">):</span> <span class="k">del</span> <span class="bp">self</span><span class="o">.</span><span class="n">r_texco</span>
<span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s1">'r_vnorm'</span><span class="p">):</span> <span class="k">del</span> <span class="bp">self</span><span class="o">.</span><span class="n">r_vnorm</span>
<span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s1">'r_vtang'</span><span class="p">):</span> <span class="k">del</span> <span class="bp">self</span><span class="o">.</span><span class="n">r_vtang</span>
<span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s1">'r_color'</span><span class="p">):</span> <span class="k">del</span> <span class="bp">self</span><span class="o">.</span><span class="n">r_color</span>
<span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s1">'r_faces'</span><span class="p">):</span> <span class="k">del</span> <span class="bp">self</span><span class="o">.</span><span class="n">r_faces</span>
<span class="k">def</span> <span class="nf">setCoords</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">coords</span><span class="p">):</span>
<span class="n">nverts</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">coords</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">coord</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">asarray</span><span class="p">(</span><span class="n">coords</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">vnorm</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">((</span><span class="n">nverts</span><span class="p">,</span> <span class="mi">3</span><span class="p">),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">vtang</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">((</span><span class="n">nverts</span><span class="p">,</span> <span class="mi">4</span><span class="p">),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">color</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">((</span><span class="n">nverts</span><span class="p">,</span> <span class="mi">4</span><span class="p">),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">uint8</span><span class="p">)</span> <span class="o">+</span> <span class="mi">255</span>
<span class="bp">self</span><span class="o">.</span><span class="n">vface</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">((</span><span class="n">nverts</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">MAX_FACES</span><span class="p">),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">uint32</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">nfaces</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">(</span><span class="n">nverts</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">uint8</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">orig_coord</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">coord</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> <span class="c1"># Keep a copy of the original coordinates</span>
<span class="bp">self</span><span class="o">.</span><span class="n">ucoor</span> <span class="o">=</span> <span class="kc">True</span>
<span class="bp">self</span><span class="o">.</span><span class="n">unorm</span> <span class="o">=</span> <span class="kc">True</span>
<span class="bp">self</span><span class="o">.</span><span class="n">utang</span> <span class="o">=</span> <span class="kc">True</span>
<span class="bp">self</span><span class="o">.</span><span class="n">ucolr</span> <span class="o">=</span> <span class="kc">True</span>
<span class="bp">self</span><span class="o">.</span><span class="n">markCoords</span><span class="p">(</span><span class="kc">None</span><span class="p">,</span> <span class="kc">True</span><span class="p">,</span> <span class="kc">True</span><span class="p">,</span> <span class="kc">True</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">getVertexCount</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">excludeMaskedVerts</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
<span class="c1">#return len(self.vface)</span>
<span class="k">if</span> <span class="n">excludeMaskedVerts</span><span class="p">:</span>
<span class="k">return</span> <span class="n">np</span><span class="o">.</span><span class="n">count_nonzero</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">getVertexMaskForFaceMask</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">getFaceMask</span><span class="p">()))</span>
<span class="k">return</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">coord</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">getCoords</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indices</span> <span class="o">=</span> <span class="kc">None</span><span class="p">):</span>
<span class="k">if</span> <span class="n">indices</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">indices</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">s_</span><span class="p">[</span><span class="o">...</span><span class="p">]</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">coord</span><span class="p">[</span><span class="n">indices</span><span class="p">]</span>
<span class="k">def</span> <span class="nf">getNormals</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indices</span> <span class="o">=</span> <span class="kc">None</span><span class="p">):</span>
<span class="k">if</span> <span class="n">indices</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">indices</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">s_</span><span class="p">[</span><span class="o">...</span><span class="p">]</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">vnorm</span><span class="p">[</span><span class="n">indices</span><span class="p">]</span>
<span class="k">def</span> <span class="nf">markCoords</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indices</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> <span class="n">coor</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">norm</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> <span class="n">colr</span> <span class="o">=</span> <span class="kc">False</span><span class="p">):</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">indices</span><span class="p">,</span> <span class="nb">tuple</span><span class="p">):</span>
<span class="n">indices</span> <span class="o">=</span> <span class="n">indices</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="n">nverts</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">coord</span><span class="p">)</span>
<span class="k">if</span> <span class="n">coor</span><span class="p">:</span>
<span class="k">if</span> <span class="n">indices</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">ucoor</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">ucoor</span> <span class="ow">is</span> <span class="kc">False</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">ucoor</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">(</span><span class="n">nverts</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="nb">bool</span><span class="p">)</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">ucoor</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">True</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">ucoor</span><span class="p">[</span><span class="n">indices</span><span class="p">]</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">if</span> <span class="n">norm</span><span class="p">:</span>
<span class="k">if</span> <span class="n">indices</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">unorm</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">utang</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">unorm</span> <span class="ow">is</span> <span class="kc">False</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">unorm</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">utang</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">(</span><span class="n">nverts</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="nb">bool</span><span class="p">)</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">unorm</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">True</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">unorm</span><span class="p">[</span><span class="n">indices</span><span class="p">]</span> <span class="o">=</span> <span class="kc">True</span>
<span class="bp">self</span><span class="o">.</span><span class="n">utang</span><span class="p">[</span><span class="n">indices</span><span class="p">]</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">if</span> <span class="n">colr</span><span class="p">:</span>
<span class="k">if</span> <span class="n">indices</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">ucolr</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">ucolr</span> <span class="ow">is</span> <span class="kc">False</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">ucolr</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">(</span><span class="n">nverts</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="nb">bool</span><span class="p">)</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">ucolr</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">True</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">ucolr</span><span class="p">[</span><span class="n">indices</span><span class="p">]</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">def</span> <span class="nf">changeCoords</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">coords</span><span class="p">,</span> <span class="n">indices</span> <span class="o">=</span> <span class="kc">None</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">markCoords</span><span class="p">(</span><span class="n">indices</span><span class="p">,</span> <span class="n">coor</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
<span class="k">if</span> <span class="n">indices</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">indices</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">s_</span><span class="p">[</span><span class="o">...</span><span class="p">]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">coord</span><span class="p">[</span><span class="n">indices</span><span class="p">]</span> <span class="o">=</span> <span class="n">coords</span>
<span class="k">def</span> <span class="nf">setUVs</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">uvs</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">texco</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">asarray</span><span class="p">(</span><span class="n">uvs</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">utexc</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">def</span> <span class="nf">getUVCount</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">texco</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">getUVs</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indices</span> <span class="o">=</span> <span class="kc">None</span><span class="p">):</span>
<span class="k">if</span> <span class="n">indices</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">indices</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">s_</span><span class="p">[</span><span class="o">...</span><span class="p">]</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">texco</span><span class="p">[</span><span class="n">indices</span><span class="p">]</span>
<span class="k">def</span> <span class="nf">markUVs</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indices</span> <span class="o">=</span> <span class="kc">None</span><span class="p">):</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">indices</span><span class="p">,</span> <span class="nb">tuple</span><span class="p">):</span>
<span class="n">indices</span> <span class="o">=</span> <span class="n">indices</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="n">ntexco</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">texco</span><span class="p">)</span>
<span class="k">if</span> <span class="n">indices</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">utexc</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">utexc</span> <span class="ow">is</span> <span class="kc">False</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">utexc</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">(</span><span class="n">ntexco</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="nb">bool</span><span class="p">)</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">utexc</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">True</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">utexc</span><span class="p">[</span><span class="n">indices</span><span class="p">]</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">def</span> <span class="nf">setFaces</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">verts</span><span class="p">,</span> <span class="n">uvs</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> <span class="n">groups</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> <span class="n">skipUpdate</span> <span class="o">=</span> <span class="kc">False</span><span class="p">):</span>
<span class="n">nfaces</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">verts</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">fvert</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">empty</span><span class="p">((</span><span class="n">nfaces</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">vertsPerPrimitive</span><span class="p">),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">uint32</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">fnorm</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">((</span><span class="n">nfaces</span><span class="p">,</span> <span class="mi">3</span><span class="p">),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">fuvs</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">fvert</span><span class="o">.</span><span class="n">shape</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">uint32</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">group</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">(</span><span class="n">nfaces</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">uint16</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">face_mask</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">ones</span><span class="p">(</span><span class="n">nfaces</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="nb">bool</span><span class="p">)</span>
<span class="k">if</span> <span class="n">nfaces</span> <span class="o">!=</span> <span class="mi">0</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">fvert</span><span class="p">[</span><span class="o">...</span><span class="p">]</span> <span class="o">=</span> <span class="n">verts</span>
<span class="k">if</span> <span class="n">uvs</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">fuvs</span><span class="p">[</span><span class="o">...</span><span class="p">]</span> <span class="o">=</span> <span class="n">uvs</span>
<span class="k">if</span> <span class="n">groups</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">group</span><span class="p">[</span><span class="o">...</span><span class="p">]</span> <span class="o">=</span> <span class="n">groups</span>
<span class="bp">self</span><span class="o">.</span><span class="n">has_uv</span> <span class="o">=</span> <span class="n">uvs</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">skipUpdate</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_update_faces</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">changeFaceMask</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">mask</span><span class="p">,</span> <span class="n">indices</span> <span class="o">=</span> <span class="kc">None</span><span class="p">):</span>
<span class="k">if</span> <span class="n">indices</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">indices</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">s_</span><span class="p">[</span><span class="o">...</span><span class="p">]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">face_mask</span><span class="p">[</span><span class="n">indices</span><span class="p">]</span> <span class="o">=</span> <span class="n">mask</span>
<span class="k">def</span> <span class="nf">getFaceMask</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indices</span> <span class="o">=</span> <span class="kc">None</span><span class="p">):</span>
<span class="k">if</span> <span class="n">indices</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">indices</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">s_</span><span class="p">[</span><span class="o">...</span><span class="p">]</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">face_mask</span><span class="p">[</span><span class="n">indices</span><span class="p">]</span>
<span class="k">def</span> <span class="nf">hasUVs</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">has_uv</span>
<span class="k">def</span> <span class="nf">getFaceCount</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">excludeMaskedFaces</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span>
<span class="k">if</span> <span class="n">excludeMaskedFaces</span><span class="p">:</span>
<span class="k">return</span> <span class="n">np</span><span class="o">.</span><span class="n">count_nonzero</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">getFaceMask</span><span class="p">())</span>
<span class="k">return</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">fvert</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">getFaceVerts</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indices</span> <span class="o">=</span> <span class="kc">None</span><span class="p">):</span>
<span class="k">if</span> <span class="n">indices</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">indices</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">s_</span><span class="p">[</span><span class="o">...</span><span class="p">]</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">fvert</span><span class="p">[</span><span class="n">indices</span><span class="p">]</span>
<span class="k">def</span> <span class="nf">getFaceUVs</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">indices</span> <span class="o">=</span> <span class="kc">None</span><span class="p">):</span>
<span class="k">if</span> <span class="n">indices</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">indices</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">s_</span><span class="p">[</span><span class="o">...</span><span class="p">]</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">fuvs</span><span class="p">[</span><span class="n">indices</span><span class="p">]</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">inverse_vmap</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> The inverse of vmap: a mapping of original welded (relating to UVs) </span>
<span class="sd"> vertex (coord indices) to a set of unwelded vertices that represent the </span>
<span class="sd"> same coordinate (r_coord indices).</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_inverse_vmap</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="c1"># TODO this loop is quite slow and could benefit from numpy optimization</span>
<span class="n">originalToUnweldedMap</span> <span class="o">=</span> <span class="p">{}</span>
<span class="k">for</span> <span class="n">unweldedIdx</span><span class="p">,</span> <span class="n">originalIdx</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">vmap</span><span class="p">):</span>
<span class="k">if</span> <span class="n">originalIdx</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">originalToUnweldedMap</span><span class="p">:</span>
<span class="n">originalToUnweldedMap</span><span class="p">[</span><span class="n">originalIdx</span><span class="p">]</span> <span class="o">=</span> <span class="p">[]</span>
<span class="n">originalToUnweldedMap</span><span class="p">[</span><span class="n">originalIdx</span><span class="p">]</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">unweldedIdx</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_inverse_vmap</span> <span class="o">=</span> <span class="n">originalToUnweldedMap</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_inverse_vmap</span>
<span class="k">def</span> <span class="nf">_update_faces</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="c1"># Construct vface: arrange face indices for same v_idx in different columns</span>
<span class="c1"># Every row in the vface matrix contains a variable number of valid columns</span>
<span class="c1"># (the number of valid columns for each row is stored in the nfaces array)</span>
<span class="n">map_</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">argsort</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">fvert</span><span class="o">.</span><span class="n">flat</span><span class="p">)</span>
<span class="n">vi</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">fvert</span><span class="o">.</span><span class="n">flat</span><span class="p">[</span><span class="n">map_</span><span class="p">]</span>
<span class="c1"># Map v_idx entries to row numbers of fvert (face_idx)</span>
<span class="n">fi</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">mgrid</span><span class="p">[:</span><span class="bp">self</span><span class="o">.</span><span class="n">fvert</span><span class="o">.</span><span class="n">shape</span><span class="p">[</span><span class="mi">0</span><span class="p">],:</span><span class="bp">self</span><span class="o">.</span><span class="n">fvert</span><span class="o">.</span><span class="n">shape</span><span class="p">[</span><span class="mi">1</span><span class="p">]][</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">flat</span><span class="p">[</span><span class="n">map_</span><span class="p">]</span><span class="o">.</span><span class="n">astype</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">uint32</span><span class="p">)</span>
<span class="k">del</span> <span class="n">map_</span>
<span class="n">ix</span><span class="p">,</span> <span class="n">first</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">unique</span><span class="p">(</span><span class="n">vi</span><span class="p">,</span> <span class="n">return_index</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
<span class="n">n</span> <span class="o">=</span> <span class="n">first</span><span class="p">[</span><span class="mi">1</span><span class="p">:]</span> <span class="o">-</span> <span class="n">first</span><span class="p">[:</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span> <span class="c1"># entry-skip count, or the number of occurences of every idx</span>
<span class="n">n_last</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">vi</span><span class="p">)</span> <span class="o">-</span> <span class="n">first</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span> <span class="c1"># Number of occurences of last idx</span>
<span class="n">n</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">hstack</span><span class="p">((</span><span class="n">n</span><span class="p">,</span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">([</span><span class="n">n_last</span><span class="p">])))</span> <span class="c1"># Append last to complete n</span>
<span class="c1"># Store number of valid columns per line in vface</span>
<span class="bp">self</span><span class="o">.</span><span class="n">nfaces</span><span class="p">[</span><span class="n">ix</span><span class="p">]</span> <span class="o">=</span> <span class="n">n</span><span class="o">.</span><span class="n">astype</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">uint8</span><span class="p">)</span>
<span class="k">try</span><span class="p">:</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="n">xrange</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">ix</span><span class="p">)):</span>
<span class="c1"># Unfortunately these type of slices require a python loop</span>
<span class="bp">self</span><span class="o">.</span><span class="n">vface</span><span class="p">[</span><span class="n">ix</span><span class="p">[</span><span class="n">i</span><span class="p">],:</span><span class="n">n</span><span class="p">[</span><span class="n">i</span><span class="p">]]</span> <span class="o">=</span> <span class="n">fi</span><span class="p">[</span><span class="n">first</span><span class="p">[</span><span class="n">i</span><span class="p">]:][:</span><span class="n">n</span><span class="p">[</span><span class="n">i</span><span class="p">]]</span>
<span class="k">except</span> <span class="ne">Exception</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
<span class="kn">import</span> <span class="nn">log</span>
<span class="n">log</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="s2">"Failed to index faces of mesh </span><span class="si">%s</span><span class="s2">, you are probably loading a mesh with mixed nb of verts per face (do not mix tris and quads). Or your mesh has too many faces attached to one vertex (the maximum is </span><span class="si">%s</span><span class="s2">-poles). In the second case, either increase MAX_FACES for this mesh, or improve the mesh topology. Original error message: (</span><span class="si">%s</span><span class="s2">) </span><span class="si">%s</span><span class="s2">"</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">MAX_FACES</span><span class="p">,</span> <span class="nb">type</span><span class="p">(</span><span class="n">e</span><span class="p">),</span> <span class="nb">format</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">e</span><span class="p">)))</span>
<span class="k">raise</span> <span class="ne">RuntimeError</span><span class="p">(</span><span class="s1">'Incompatible mesh topology.'</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">getVertexWeights</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parentWeights</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Map armature weights mapped to the root parent (original mesh) to this</span>
<span class="sd"> child mesh. Returns parentWeights unaltered if this mesh has no parent.</span>
<span class="sd"> If this is a proxy mesh, parentWeights should be the weights mapped </span>
<span class="sd"> through the proxy.getVertexWeights() method first.</span>
<span class="sd"> This particular vertex weights mapping is only used for exporting rigged</span>
<span class="sd"> meshes, as in MakeHuman only unsubdivided meshes are posed, and then</span>
<span class="sd"> smoothed in their posed state if required. Vertices are not removed </span>
<span class="sd"> within MH when faces are hidden, either.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="ow">not</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s1">'parent'</span><span class="p">)</span> <span class="ow">or</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">parent</span><span class="p">:</span>
<span class="k">return</span> <span class="n">parentWeights</span>
<span class="n">vmap</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">inverse_parent_map</span>
<span class="n">vwmap</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">parent_map_weights</span>
<span class="kn">from</span> <span class="nn">collections</span> <span class="k">import</span> <span class="n">OrderedDict</span>
<span class="n">weights</span> <span class="o">=</span> <span class="n">OrderedDict</span><span class="p">()</span>
<span class="k">for</span> <span class="n">bname</span><span class="p">,</span> <span class="p">(</span><span class="n">verts</span><span class="p">,</span><span class="n">wghts</span><span class="p">)</span> <span class="ow">in</span> <span class="n">parentWeights</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
<span class="n">vgroup</span> <span class="o">=</span> <span class="p">[]</span>
<span class="n">empty</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">for</span> <span class="p">(</span><span class="n">v</span><span class="p">,</span><span class="n">wt</span><span class="p">)</span> <span class="ow">in</span> <span class="nb">zip</span><span class="p">(</span><span class="n">verts</span><span class="p">,</span><span class="n">wghts</span><span class="p">):</span>
<span class="n">mvs</span> <span class="o">=</span> <span class="n">vmap</span><span class="p">[</span><span class="n">v</span><span class="p">]</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">mvs</span><span class="p">,</span> <span class="p">(</span><span class="nb">int</span><span class="p">,</span> <span class="n">np</span><span class="o">.</span><span class="n">int32</span><span class="p">)):</span>
<span class="n">mvs</span> <span class="o">=</span> <span class="p">[</span><span class="n">mvs</span><span class="p">]</span>
<span class="k">for</span> <span class="n">mv</span> <span class="ow">in</span> <span class="n">mvs</span><span class="p">:</span>
<span class="n">w</span> <span class="o">=</span> <span class="n">vwmap</span><span class="p">[</span><span class="n">mv</span><span class="p">]</span>
<span class="k">if</span> <span class="n">mv</span> <span class="o">></span> <span class="o">-</span><span class="mi">1</span><span class="p">:</span>
<span class="n">vgroup</span><span class="o">.</span><span class="n">append</span><span class="p">((</span><span class="n">mv</span><span class="p">,</span> <span class="n">w</span> <span class="o">*</span> <span class="n">wt</span><span class="p">))</span>
<span class="n">empty</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">empty</span><span class="p">:</span>
<span class="n">weights</span><span class="p">[</span><span class="n">bname</span><span class="p">]</span> <span class="o">=</span> <span class="n">vgroup</span>
<span class="k">return</span> <span class="n">parentWeights</span><span class="o">.</span><span class="n">create</span><span class="p">(</span><span class="n">weights</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">getVertexCount</span><span class="p">())</span>
<span class="k">def</span> <span class="nf">updateIndexBuffer</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">updateIndexBufferVerts</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">updateIndexBufferFaces</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">updateIndexBufferVerts</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="n">packed</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">fvert</span><span class="o">.</span><span class="n">astype</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">uint64</span><span class="p">)</span> <span class="o"><<</span> <span class="mi">32</span>
<span class="n">packed</span> <span class="o">|=</span> <span class="bp">self</span><span class="o">.</span><span class="n">fuvs</span>
<span class="n">packed</span> <span class="o">=</span> <span class="n">packed</span><span class="o">.</span><span class="n">reshape</span><span class="p">(</span><span class="o">-</span><span class="mi">1</span><span class="p">)</span>
<span class="n">u</span><span class="p">,</span> <span class="n">rev</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">unique</span><span class="p">(</span><span class="n">packed</span><span class="p">,</span> <span class="n">return_inverse</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
<span class="k">del</span> <span class="n">packed</span>
<span class="n">unwelded</span> <span class="o">=</span> <span class="n">u</span><span class="p">[:,</span><span class="kc">None</span><span class="p">]</span> <span class="o">>></span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">([[</span><span class="mi">32</span><span class="p">,</span><span class="mi">0</span><span class="p">]],</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">uint64</span><span class="p">)</span>
<span class="n">unwelded</span> <span class="o">=</span> <span class="n">unwelded</span><span class="o">.</span><span class="n">astype</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">uint32</span><span class="p">)</span>
<span class="n">nverts</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">unwelded</span><span class="p">)</span>
<span class="n">iverts</span> <span class="o">=</span> <span class="n">rev</span><span class="o">.</span><span class="n">reshape</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">fvert</span><span class="o">.</span><span class="n">shape</span><span class="p">)</span>
<span class="k">del</span> <span class="n">rev</span><span class="p">,</span> <span class="n">u</span>
<span class="bp">self</span><span class="o">.</span><span class="n">vmap</span> <span class="o">=</span> <span class="n">unwelded</span><span class="p">[:,</span><span class="mi">0</span><span class="p">]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">tmap</span> <span class="o">=</span> <span class="n">unwelded</span><span class="p">[:,</span><span class="mi">1</span><span class="p">]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_inverse_vmap</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">del</span> <span class="n">unwelded</span>
<span class="bp">self</span><span class="o">.</span><span class="n">r_coord</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">empty</span><span class="p">((</span><span class="n">nverts</span><span class="p">,</span> <span class="mi">3</span><span class="p">),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">r_texco</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">empty</span><span class="p">((</span><span class="n">nverts</span><span class="p">,</span> <span class="mi">2</span><span class="p">),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">r_vnorm</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">((</span><span class="n">nverts</span><span class="p">,</span> <span class="mi">3</span><span class="p">),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">r_vtang</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">((</span><span class="n">nverts</span><span class="p">,</span> <span class="mi">4</span><span class="p">),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">r_color</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">((</span><span class="n">nverts</span><span class="p">,</span> <span class="mi">4</span><span class="p">),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">uint8</span><span class="p">)</span> <span class="o">+</span> <span class="mi">255</span>
<span class="bp">self</span><span class="o">.</span><span class="n">r_faces</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">(</span><span class="n">iverts</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">uint32</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">updateIndexBufferFaces</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="n">index</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">r_faces</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">face_mask</span><span class="p">]</span>
<span class="n">group</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">group</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">face_mask</span><span class="p">]</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">group</span><span class="p">)</span> <span class="o">></span> <span class="mi">0</span><span class="p">:</span>
<span class="n">order</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">argsort</span><span class="p">(</span><span class="n">group</span><span class="p">)</span>
<span class="n">group</span> <span class="o">=</span> <span class="n">group</span><span class="p">[</span><span class="n">order</span><span class="p">]</span>
<span class="n">index</span> <span class="o">=</span> <span class="n">index</span><span class="p">[</span><span class="n">order</span><span class="p">]</span>
<span class="n">group</span><span class="p">,</span> <span class="n">start</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">unique</span><span class="p">(</span><span class="n">group</span><span class="p">,</span> <span class="n">return_index</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
<span class="n">count</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">empty</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">start</span><span class="p">),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">uint32</span><span class="p">)</span>
<span class="n">count</span><span class="p">[:</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span> <span class="o">=</span> <span class="n">start</span><span class="p">[</span><span class="mi">1</span><span class="p">:]</span> <span class="o">-</span> <span class="n">start</span><span class="p">[:</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span>
<span class="n">count</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="n">index</span><span class="p">)</span> <span class="o">-</span> <span class="n">start</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span>
<span class="n">grpix</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">((</span><span class="nb">max</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">group</span><span class="p">)</span><span class="o">+</span><span class="mi">1</span><span class="p">,</span><span class="mi">2</span><span class="p">),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">uint32</span><span class="p">)</span>
<span class="n">grpix</span><span class="p">[</span><span class="n">group</span><span class="p">,</span><span class="mi">0</span><span class="p">]</span> <span class="o">=</span> <span class="n">start</span>
<span class="n">grpix</span><span class="p">[</span><span class="n">group</span><span class="p">,</span><span class="mi">1</span><span class="p">]</span> <span class="o">=</span> <span class="n">count</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">grpix</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">((</span><span class="mi">0</span><span class="p">,</span><span class="mi">2</span><span class="p">),</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">uint32</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">index</span> <span class="o">=</span> <span class="n">index</span>
<span class="bp">self</span><span class="o">.</span><span class="n">grpix</span> <span class="o">=</span> <span class="n">grpix</span>
<span class="bp">self</span><span class="o">.</span><span class="n">ucoor</span> <span class="o">=</span> <span class="kc">True</span>
<span class="bp">self</span><span class="o">.</span><span class="n">unorm</span> <span class="o">=</span> <span class="kc">True</span>
<span class="bp">self</span><span class="o">.</span><span class="n">utang</span> <span class="o">=</span> <span class="kc">True</span>
<span class="bp">self</span><span class="o">.</span><span class="n">ucolr</span> <span class="o">=</span> <span class="kc">True</span>
<span class="bp">self</span><span class="o">.</span><span class="n">utexc</span> <span class="o">=</span> <span class="kc">True</span>
<span class="bp">self</span><span class="o">.</span><span class="n">sync_all</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">sync_coord</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">ucoor</span> <span class="ow">is</span> <span class="kc">False</span><span class="p">:</span>
<span class="k">return</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">vmap</span> <span class="ow">is</span> <span class="kc">None</span> <span class="ow">or</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">vmap</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
<span class="k">return</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">ucoor</span> <span class="ow">is</span> <span class="kc">True</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">r_coord</span><span class="p">[</span><span class="o">...</span><span class="p">]</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">coord</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">vmap</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">r_coord</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">ucoor</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">vmap</span><span class="p">]]</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">coord</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">vmap</span><span class="p">][</span><span class="bp">self</span><span class="o">.</span><span class="n">ucoor</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">vmap</span><span class="p">]]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">ucoor</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">def</span> <span class="nf">sync_norms</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">unorm</span> <span class="ow">is</span> <span class="kc">False</span><span class="p">:</span>
<span class="k">return</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">vmap</span> <span class="ow">is</span> <span class="kc">None</span> <span class="ow">or</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">vmap</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
<span class="k">return</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">unorm</span> <span class="ow">is</span> <span class="kc">True</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">r_vnorm</span><span class="p">[</span><span class="o">...</span><span class="p">]</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">vnorm</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">vmap</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">r_vnorm</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">unorm</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">vmap</span><span class="p">]]</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">vnorm</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">vmap</span><span class="p">][</span><span class="bp">self</span><span class="o">.</span><span class="n">unorm</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">vmap</span><span class="p">]]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">unorm</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">def</span> <span class="nf">sync_tangents</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">has_uv</span><span class="p">:</span>
<span class="k">return</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">utang</span> <span class="ow">is</span> <span class="kc">False</span><span class="p">:</span>
<span class="k">return</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">vmap</span> <span class="ow">is</span> <span class="kc">None</span> <span class="ow">or</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">vmap</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
<span class="k">return</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">utang</span> <span class="ow">is</span> <span class="kc">True</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">r_vtang</span><span class="p">[</span><span class="o">...</span><span class="p">]</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">vtang</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">vmap</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">r_vtang</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">utang</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">vmap</span><span class="p">]]</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">vtang</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">vmap</span><span class="p">][</span><span class="bp">self</span><span class="o">.</span><span class="n">utang</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">vmap</span><span class="p">]]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">utang</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">def</span> <span class="nf">sync_color</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">ucolr</span> <span class="ow">is</span> <span class="kc">False</span><span class="p">:</span>
<span class="k">return</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">vmap</span> <span class="ow">is</span> <span class="kc">None</span> <span class="ow">or</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">vmap</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
<span class="k">return</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">ucolr</span> <span class="ow">is</span> <span class="kc">True</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">r_color</span><span class="p">[</span><span class="o">...</span><span class="p">]</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">color</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">vmap</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">r_color</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">ucolr</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">vmap</span><span class="p">]]</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">color</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">vmap</span><span class="p">][</span><span class="bp">self</span><span class="o">.</span><span class="n">ucolr</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">vmap</span><span class="p">]]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">ucolr</span> <span class="o">=</span> <span class="kc">False</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_r_color_diff</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">def</span> <span class="nf">sync_texco</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">has_uv</span><span class="p">:</span>
<span class="k">return</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">utexc</span> <span class="ow">is</span> <span class="kc">False</span><span class="p">:</span>
<span class="k">return</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">tmap</span> <span class="ow">is</span> <span class="kc">None</span> <span class="ow">or</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">tmap</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
<span class="k">return</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">utexc</span> <span class="ow">is</span> <span class="kc">True</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">r_texco</span><span class="p">[</span><span class="o">...</span><span class="p">]</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">texco</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">tmap</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">r_texco</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">utexc</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">tmap</span><span class="p">]]</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">texco</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">tmap</span><span class="p">][</span><span class="bp">self</span><span class="o">.</span><span class="n">utexc</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">tmap</span><span class="p">]]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">utexc</span> <span class="o">=</span> <span class="kc">False</span>
<span class="k">def</span> <span class="nf">sync_all</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">sync_coord</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">sync_norms</span><span class="p">()</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">calculateTangents</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">sync_tangents</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">sync_color</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">sync_texco</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">createFaceGroup</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Creates a new module3d.FaceGroup with the given name.</span>
<span class="sd"> :param name: The name for the face group.</span>
<span class="sd"> :type name: [float, float, float]</span>
<span class="sd"> :return: The new face group.</span>
<span class="sd"> :rtype: :py:class:`module3d.FaceGroup`</span>
<span class="sd"> """</span>
<span class="n">idx</span> <span class="o">=</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_faceGroups</span><span class="p">)</span>
<span class="n">fg</span> <span class="o">=</span> <span class="n">FaceGroup</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">idx</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_groups_rev</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span> <span class="n">fg</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_faceGroups</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">fg</span><span class="p">)</span>
<span class="k">return</span> <span class="n">fg</span>
<span class="k">def</span> <span class="nf">setColor</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">color</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Sets the vertex colors for the entire object.</span>
<span class="sd"> :param color: The color in rgba.</span>
<span class="sd"> :type color: [byte, byte, byte, byte]</span>
<span class="sd"> """</span>
<span class="n">color</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">asarray</span><span class="p">(</span><span class="n">color</span><span class="p">,</span> <span class="n">dtype</span><span class="o">=</span><span class="n">np</span><span class="o">.</span><span class="n">uint8</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">color</span><span class="o">.</span><span class="n">shape</span><span class="p">)</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span> <span class="c1"># One color for all vertices</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">color</span><span class="p">)</span> <span class="o">==</span> <span class="mi">3</span><span class="p">:</span>
<span class="c1"># Add alpha component to simple RGB color</span>
<span class="n">color</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">color</span><span class="p">)</span> <span class="o">+</span> <span class="p">[</span><span class="mi">255</span><span class="p">]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">color</span><span class="p">[:]</span> <span class="o">=</span> <span class="n">color</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">color</span><span class="p">[</span><span class="o">...</span><span class="p">]</span> <span class="o">=</span> <span class="n">color</span><span class="p">[</span><span class="kc">None</span><span class="p">,:]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">markCoords</span><span class="p">(</span><span class="n">colr</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">sync_color</span><span class="p">()</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">r_color_diff</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Vertex colors multiplied with the diffuse material color.</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">_r_color_diff</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_r_color_diff</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">r_color</span><span class="o">.</span><span class="n">shape</span><span class="p">,</span> <span class="n">dtype</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">uint8</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_old_diff</span> <span class="o">=</span> <span class="kc">None</span>
<span class="n">diff</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">material</span><span class="o">.</span><span class="n">diffuseColor</span><span class="o">.</span><span class="n">values</span> <span class="o">+</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">material</span><span class="o">.</span><span class="n">opacity</span><span class="p">]</span>
<span class="k">if</span> <span class="n">diff</span> <span class="o">!=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_old_diff</span><span class="p">:</span>
<span class="c1"># Update diffuse * vertex colors</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_r_color_diff</span><span class="p">[:]</span> <span class="o">=</span> <span class="n">diff</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">r_color</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_old_diff</span> <span class="o">=</span> <span class="n">diff</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_r_color_diff</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">visibility</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_visibility</span>
<span class="k">def</span> <span class="nf">setVisibility</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">visible</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">visibility</span> <span class="o">=</span> <span class="n">visible</span>
<span class="nd">@visibility</span><span class="o">.</span><span class="n">setter</span>
<span class="k">def</span> <span class="nf">visibility</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">visible</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> This method sets the visibility of the object.</span>
<span class="sd"> :param visible: Whether or not the object is visible.</span>
<span class="sd"> :type visible: Boolean</span>
<span class="sd"> """</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_visibility</span> <span class="o">=</span> <span class="n">visible</span>
<span class="k">def</span> <span class="nf">setPickable</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">pickable</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> This method sets the pickable flag of the object.</span>
<span class="sd"> :param pickable: Whether or not the object is pickable.</span>
<span class="sd"> :type pickable: Boolean</span>
<span class="sd"> """</span>
<span class="bp">self</span><span class="o">.</span><span class="n">pickable</span> <span class="o">=</span> <span class="n">pickable</span>
<span class="k">def</span> <span class="nf">getPriority</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> The rendering priority of this object.</span>
<span class="sd"> Objects with higher priorities will be drawn later.</span>
<span class="sd"> Common priorities used:</span>
<span class="sd"> file description 2D/3D priority</span>
<span class="sd"> core/mhmain.py background-gradient 2D -200</span>
<span class="sd"> 0_modeling_background.py background 2D -90</span>
<span class="sd"> core/mhmain.py human 3D 0</span>
<span class="sd"> 3_libraries_clothes_chooser.py clothing 3D 10</span>
<span class="sd"> 3_libraries_polygon_hair_chooser.py hair 3D 20</span>
<span class="sd"> 2_posing_armature.py armature 3D 30</span>
<span class="sd"> 0_modeling_a_measurement.py measureMesh 2D 50</span>
<span class="sd"> 5_settings_censor.py censor rectangles 2D 80</span>
<span class="sd"> apps/gui/guifiles.py black frame 2D 90</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_priority</span>
<span class="k">def</span> <span class="nf">setPriority</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">priority</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Set the rendering priority of this object.</span>
<span class="sd"> Objects with higher priorities will be drawn later.</span>
<span class="sd"> Common priorities used:</span>
<span class="sd"> file description 2D/3D priority</span>
<span class="sd"> 0_modeling_background.py background 2D -90</span>
<span class="sd"> core/mhmain.py human 3D 0</span>
<span class="sd"> 3_libraries_clothes_chooser.py clothing 3D 10</span>
<span class="sd"> 3_libraries_polygon_hair_chooser.py hair 3D 20</span>
<span class="sd"> 2_posing_armature.py armature 3D 30</span>
<span class="sd"> 0_modeling_a_measurement.py measureMesh 2D 50</span>
<span class="sd"> 5_settings_censor.py censor rectangles 2D 80</span>
<span class="sd"> apps/gui/guifiles.py black frame 2D 90</span>
<span class="sd"> """</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_priority</span> <span class="o">=</span> <span class="n">priority</span>
<span class="n">priority</span> <span class="o">=</span> <span class="nb">property</span><span class="p">(</span><span class="n">getPriority</span><span class="p">,</span> <span class="n">setPriority</span><span class="p">)</span>
<span class="nd">@property</span>
<span class="k">def</span> <span class="nf">material</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">object</span> <span class="ow">and</span> <span class="nb">hasattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="s1">'parent'</span><span class="p">):</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">parent</span><span class="o">.</span><span class="n">material</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">material</span>
<span class="k">def</span> <span class="nf">setTransparentPrimitives</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">transparentPrimitives</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> This method is used to specify the amount of transparent faces.</span>
<span class="sd"> This property is overridden if self.material.transparent is set to True.</span>
<span class="sd"> :param transparentPrimitives: The amount of transparent faces.</span>
<span class="sd"> :type transparentPrimitives: int</span>
<span class="sd"> """</span>
<span class="bp">self</span><span class="o">.</span><span class="n">_transparentPrimitives</span> <span class="o">=</span> <span class="n">transparentPrimitives</span>
<span class="k">def</span> <span class="nf">getTransparentPrimitives</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="c1"># Object allows transparency rendering of only a subset (starting from </span>
<span class="c1"># the first face) of faces of the mesh, but material property transparent</span>
<span class="c1"># set to True overrides this and makes all faces render with transparency technique</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">material</span><span class="o">.</span><span class="n">transparent</span><span class="p">:</span>
<span class="k">return</span> <span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">fvert</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_transparentPrimitives</span>
<span class="n">transparentPrimitives</span> <span class="o">=</span> <span class="nb">property</span><span class="p">(</span><span class="n">getTransparentPrimitives</span><span class="p">,</span> <span class="n">setTransparentPrimitives</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">getFaceGroup</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> This method searches the list of FaceGroups held for this object, and</span>
<span class="sd"> returns the FaceGroup with the specified name. If no FaceGroup is found</span>
<span class="sd"> for that name, this method returns None.</span>
<span class="sd"> :param name: The name of the FaceGroup to retrieve.</span>
<span class="sd"> :type name: str</span>
<span class="sd"> :return: The FaceGroup if found, None otherwise.</span>
<span class="sd"> :rtype: :py:class:`module3d.FaceGroup`</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_groups_rev</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">getFaceGroups</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> The names of the facegroups available on this mesh.</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_groups_rev</span><span class="o">.</span><span class="n">keys</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">getGroupMaskForGroups</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">groupNames</span><span class="p">):</span>
<span class="n">groups</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_faceGroups</span><span class="p">),</span> <span class="n">dtype</span><span class="o">=</span><span class="nb">bool</span><span class="p">)</span>
<span class="k">for</span> <span class="n">name</span> <span class="ow">in</span> <span class="n">groupNames</span><span class="p">:</span>
<span class="n">groups</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_groups_rev</span><span class="p">[</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">idx</span><span class="p">]</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">return</span> <span class="n">groups</span>
<span class="k">def</span> <span class="nf">getFaceMaskForGroups</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">groupNames</span><span class="p">):</span>
<span class="n">groups</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">getGroupMaskForGroups</span><span class="p">(</span><span class="n">groupNames</span><span class="p">)</span>
<span class="n">face_mask</span> <span class="o">=</span> <span class="n">groups</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">group</span><span class="p">]</span>
<span class="k">return</span> <span class="n">face_mask</span>
<span class="k">def</span> <span class="nf">getFacesForGroups</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">groupNames</span><span class="p">):</span>
<span class="n">face_mask</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">getFaceMaskForGroups</span><span class="p">(</span><span class="n">groupNames</span><span class="p">)</span>
<span class="n">faces</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">argwhere</span><span class="p">(</span><span class="n">face_mask</span><span class="p">)[</span><span class="o">...</span><span class="p">,</span><span class="mi">0</span><span class="p">]</span>
<span class="k">return</span> <span class="n">faces</span>
<span class="k">def</span> <span class="nf">getVertexMaskForGroups</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">groupNames</span><span class="p">):</span>
<span class="n">face_mask</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">getFaceMaskForGroups</span><span class="p">(</span><span class="n">groupNames</span><span class="p">)</span>
<span class="n">verts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">fvert</span><span class="p">[</span><span class="n">face_mask</span><span class="p">]</span>
<span class="n">vert_mask</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">coord</span><span class="p">),</span> <span class="n">dtype</span> <span class="o">=</span> <span class="nb">bool</span><span class="p">)</span>
<span class="n">vert_mask</span><span class="p">[</span><span class="n">verts</span><span class="p">]</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">return</span> <span class="n">vert_mask</span>
<span class="k">def</span> <span class="nf">getVerticesForGroups</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">groupNames</span><span class="p">):</span>
<span class="n">vert_mask</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">getVertexMaskForGroups</span><span class="p">(</span><span class="n">groupNames</span><span class="p">)</span>
<span class="n">verts</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">argwhere</span><span class="p">(</span><span class="n">vert_mask</span><span class="p">)[</span><span class="o">...</span><span class="p">,</span><span class="mi">0</span><span class="p">]</span>
<span class="k">return</span> <span class="n">verts</span>
<span class="k">def</span> <span class="nf">getVerticesForFaceMask</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">face_mask</span><span class="p">):</span>
<span class="n">verts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">fvert</span><span class="p">[</span><span class="n">face_mask</span><span class="p">]</span>
<span class="n">verts</span> <span class="o">=</span> <span class="n">verts</span><span class="o">.</span><span class="n">reshape</span><span class="p">(</span><span class="o">-</span><span class="mi">1</span><span class="p">)</span>
<span class="k">return</span> <span class="n">verts</span>
<span class="k">def</span> <span class="nf">getVertexMaskForFaceMask</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">face_mask</span><span class="p">):</span>
<span class="n">verts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">getVerticesForFaceMask</span><span class="p">(</span><span class="n">face_mask</span><span class="p">)</span>
<span class="n">vert_mask</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">coord</span><span class="p">),</span> <span class="n">dtype</span> <span class="o">=</span> <span class="nb">bool</span><span class="p">)</span>
<span class="n">vert_mask</span><span class="p">[</span><span class="n">verts</span><span class="p">]</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">return</span> <span class="n">vert_mask</span>
<span class="k">def</span> <span class="nf">getVertexAndFaceMasksForGroups</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">groupNames</span><span class="p">):</span>
<span class="n">face_mask</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">getFaceMaskForGroups</span><span class="p">(</span><span class="n">groupNames</span><span class="p">)</span>
<span class="n">verts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">fvert</span><span class="p">[</span><span class="n">face_mask</span><span class="p">]</span>
<span class="n">vert_mask</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">coord</span><span class="p">),</span> <span class="n">dtype</span> <span class="o">=</span> <span class="nb">bool</span><span class="p">)</span>
<span class="n">vert_mask</span><span class="p">[</span><span class="n">verts</span><span class="p">]</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">return</span> <span class="n">vert_mask</span><span class="p">,</span> <span class="n">face_mask</span>
<span class="k">def</span> <span class="nf">getFaceMaskForVertices</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">verts</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Get mask that selects all faces that are connected to the specified</span>
<span class="sd"> vertices.</span>
<span class="sd"> """</span>
<span class="n">mask</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">fvert</span><span class="p">),</span> <span class="n">dtype</span> <span class="o">=</span> <span class="nb">bool</span><span class="p">)</span>
<span class="n">valid</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">arange</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">MAX_FACES</span><span class="p">)[</span><span class="kc">None</span><span class="p">,:]</span> <span class="o"><</span> <span class="bp">self</span><span class="o">.</span><span class="n">nfaces</span><span class="p">[</span><span class="n">verts</span><span class="p">][:,</span><span class="kc">None</span><span class="p">]</span> <span class="c1"># Mask that filters out unused slots for faces connected to a vert</span>
<span class="n">vface</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">vface</span><span class="p">[</span><span class="n">verts</span><span class="p">]</span>
<span class="n">faces</span> <span class="o">=</span> <span class="n">vface</span><span class="p">[</span><span class="n">valid</span><span class="p">]</span>
<span class="n">mask</span><span class="p">[</span><span class="n">faces</span><span class="p">]</span> <span class="o">=</span> <span class="kc">True</span>
<span class="k">return</span> <span class="n">mask</span>
<span class="k">def</span> <span class="nf">getFacesForVertices</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">verts</span><span class="p">):</span>
<span class="k">return</span> <span class="n">np</span><span class="o">.</span><span class="n">argwhere</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">getFaceMaskForVertices</span><span class="p">(</span><span class="n">verts</span><span class="p">))[</span><span class="o">...</span><span class="p">,</span><span class="mi">0</span><span class="p">]</span>
<span class="k">def</span> <span class="nf">setCameraProjection</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">cameraMode</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> This method sets the camera mode used to visualize this object (fixed or movable).</span>
<span class="sd"> The 3D engine has two camera modes (both perspective modes).</span>
<span class="sd"> The first is moved by the mouse, while the second is fixed.</span>
<span class="sd"> The first is generally used to model 3D objects (a human, clothes,</span>
<span class="sd"> etc.), while the second is used for 3D GUI controls.</span>
<span class="sd"> :param cameraMode: The camera mode. 0 = movable camera (modelCamera);</span>
<span class="sd"> 1 = static camera (guiCamera).</span>
<span class="sd"> :type cameraMode: int</span>
<span class="sd"> """</span>
<span class="bp">self</span><span class="o">.</span><span class="n">cameraMode</span> <span class="o">=</span> <span class="n">cameraMode</span>
<span class="k">def</span> <span class="nf">getCamera</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> The camera with which this mesh is rendered.</span>
<span class="sd"> """</span>
<span class="kn">from</span> <span class="nn">core</span> <span class="k">import</span> <span class="n">G</span>
<span class="k">return</span> <span class="n">G</span><span class="o">.</span><span class="n">cameras</span><span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">cameraMode</span><span class="p">]</span>
<span class="k">def</span> <span class="nf">update</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> This method is used to call the update methods on each of a list of vertices or all vertices that form part of this object. Passes the current mesh state to the OpenGL buffers.</span>
<span class="sd"> """</span>
<span class="bp">self</span><span class="o">.</span><span class="n">sync_all</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">calcNormals</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">recalcVertexNormals</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">recalcFaceNormals</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">verticesToUpdate</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">facesToUpdate</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Updates the given vertex and/or face normals.</span>
<span class="sd"> </span>
<span class="sd"> :param recalcVertexNormals: A flag to indicate whether or not the vertex normals should be recalculated.</span>
<span class="sd"> :type recalcVertexNormals: Boolean</span>
<span class="sd"> :param recalcFaceNormals: A flag to indicate whether or not the face normals should be recalculated.</span>
<span class="sd"> :type recalcFaceNormals: Boolean</span>
<span class="sd"> :param verticesToUpdate: The list of vertices to be updated, if None all vertices are updated.</span>
<span class="sd"> :type verticesToUpdate: list of :py:class:`module3d.Vert`</span>
<span class="sd"> :param facesToUpdate: The list of faces to be updated, if None all faces are updated.</span>
<span class="sd"> :type facesToUpdate: list of :py:class:`module3d.Face`</span>
<span class="sd"> """</span>
<span class="k">if</span> <span class="n">recalcFaceNormals</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">calcFaceNormals</span><span class="p">(</span><span class="n">facesToUpdate</span><span class="p">)</span>
<span class="k">if</span> <span class="n">recalcVertexNormals</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">calcVertexNormals</span><span class="p">(</span><span class="n">verticesToUpdate</span><span class="p">)</span>
<span class="k">if</span> <span class="n">recalcFaceNormals</span> <span class="ow">or</span> <span class="n">recalcVertexNormals</span> <span class="ow">and</span> <span class="bp">self</span><span class="o">.</span><span class="n">calculateTangents</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">calcVertexTangents</span><span class="p">(</span><span class="n">verticesToUpdate</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">calcBBox</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">ix</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">onlyVisible</span> <span class="o">=</span> <span class="kc">True</span><span class="p">,</span> <span class="n">fixedFaceMask</span> <span class="o">=</span> <span class="kc">None</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Calculates the axis aligned bounding box of this object in the object's coordinate system. </span>
<span class="sd"> """</span>
<span class="c1"># TODO maybe cache bounding box</span>
<span class="k">if</span> <span class="n">ix</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">ix</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">s_</span><span class="p">[:]</span>
<span class="k">if</span> <span class="n">fixedFaceMask</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">verts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">getVerticesForFaceMask</span><span class="p">(</span><span class="n">fixedFaceMask</span><span class="p">)</span>
<span class="n">coord</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">coord</span><span class="p">[</span><span class="n">verts</span><span class="p">]</span>
<span class="k">elif</span> <span class="n">onlyVisible</span><span class="p">:</span>
<span class="n">verts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">getVerticesForFaceMask</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">getFaceMask</span><span class="p">())</span>
<span class="n">coord</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">coord</span><span class="p">[</span><span class="n">verts</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">coord</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">coord</span><span class="p">[</span><span class="n">ix</span><span class="p">]</span>
<span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">coord</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
<span class="k">return</span> <span class="n">np</span><span class="o">.</span><span class="n">zeros</span><span class="p">((</span><span class="mi">2</span><span class="p">,</span><span class="mi">3</span><span class="p">),</span> <span class="n">dtype</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">float32</span><span class="p">)</span>
<span class="n">v0</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">amin</span><span class="p">(</span><span class="n">coord</span><span class="p">,</span> <span class="n">axis</span><span class="o">=</span><span class="mi">0</span><span class="p">)</span>
<span class="n">v1</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">amax</span><span class="p">(</span><span class="n">coord</span><span class="p">,</span> <span class="n">axis</span><span class="o">=</span><span class="mi">0</span><span class="p">)</span>
<span class="k">return</span> <span class="n">np</span><span class="o">.</span><span class="n">vstack</span><span class="p">((</span><span class="n">v0</span><span class="p">,</span> <span class="n">v1</span><span class="p">))</span>
<span class="k">def</span> <span class="nf">__str__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="k">return</span> <span class="s1">'object3D Mesh named: </span><span class="si">%s</span><span class="s1">, nverts: </span><span class="si">%s</span><span class="s1">, nfaces: </span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">getVertexCount</span><span class="p">(),</span> <span class="bp">self</span><span class="o">.</span><span class="n">getFaceCount</span><span class="p">())</span>
<div class="viewcode-block" id="dot_v3"><a class="viewcode-back" href="../module_module3d.html#module3d.dot_v3">[docs]</a><span class="k">def</span> <span class="nf">dot_v3</span><span class="p">(</span><span class="n">v3_arr1</span><span class="p">,</span> <span class="n">v3_arr2</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Numpy Ufunc'ed implementation of a series of dot products of two vector3 </span>
<span class="sd"> objects.</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="p">(</span><span class="n">v3_arr1</span><span class="p">[:,</span><span class="mi">0</span><span class="p">]</span> <span class="o">*</span> <span class="n">v3_arr2</span><span class="p">[:,</span><span class="mi">0</span><span class="p">])</span> <span class="o">+</span> \
<span class="p">(</span><span class="n">v3_arr1</span><span class="p">[:,</span><span class="mi">1</span><span class="p">]</span> <span class="o">*</span> <span class="n">v3_arr2</span><span class="p">[:,</span><span class="mi">1</span><span class="p">])</span> <span class="o">+</span> \
<span class="p">(</span><span class="n">v3_arr2</span><span class="p">[:,</span><span class="mi">2</span><span class="p">]</span> <span class="o">*</span> <span class="n">v3_arr1</span><span class="p">[:,</span><span class="mi">2</span><span class="p">])</span></div>
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