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</script></head><body><div id="package-header"><ul class="links" id="page-menu"><li><a href="src/Graphics-Gloss-Data-Vector.html">Source</a></li><li><a href="index.html">Contents</a></li><li><a href="doc-index.html">Index</a></li></ul><p class="caption">gloss-1.7.8.3: Painless 2D vector graphics, animations and simulations.</p></div><div id="content"><div id="module-header"><table class="info"><tr><th>Safe Haskell</th><td>Safe-Inferred</td></tr></table><p class="caption">Graphics.Gloss.Data.Vector</p></div><div id="description"><p class="caption">Description</p><div class="doc"><p>Geometric functions concerning vectors.
</p></div></div><div id="synopsis"><p id="control.syn" class="caption expander" onclick="toggleSection('syn')">Synopsis</p><ul id="section.syn" class="hide" onclick="toggleSection('syn')"><li class="src short"><span class="keyword">type</span> <a href="#t:Vector">Vector</a> = <a href="Graphics-Gloss-Data-Point.html#t:Point">Point</a></li><li class="src short"><a href="#v:magV">magV</a> :: <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Prelude.html#t:Float">Float</a></li><li class="src short"><a href="#v:argV">argV</a> :: <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Prelude.html#t:Float">Float</a></li><li class="src short"><a href="#v:dotV">dotV</a> :: <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a> -> <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Prelude.html#t:Float">Float</a></li><li class="src short"><a href="#v:detV">detV</a> :: <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a> -> <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Prelude.html#t:Float">Float</a></li><li class="src short"><a href="#v:mulSV">mulSV</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Prelude.html#t:Float">Float</a> -> <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a> -> <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a></li><li class="src short"><a href="#v:rotateV">rotateV</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Prelude.html#t:Float">Float</a> -> <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a> -> <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a></li><li class="src short"><a href="#v:angleVV">angleVV</a> :: <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a> -> <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Prelude.html#t:Float">Float</a></li><li class="src short"><a href="#v:normaliseV">normaliseV</a> :: <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a> -> <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a></li><li class="src short"><a href="#v:unitVectorAtAngle">unitVectorAtAngle</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Prelude.html#t:Float">Float</a> -> <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a></li></ul></div><div id="interface"><h1>Documentation</h1><div class="top"><p class="src"><span class="keyword">type</span> <a name="t:Vector" class="def">Vector</a> = <a href="Graphics-Gloss-Data-Point.html#t:Point">Point</a><a href="src/Graphics-Gloss-Data-Vector.html#Vector" class="link">Source</a></p><div class="doc"><p>A vector can be treated as a point, and vis-versa.
</p></div></div><div class="top"><p class="src"><a name="v:magV" class="def">magV</a> :: <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Prelude.html#t:Float">Float</a><a href="src/Graphics-Gloss-Data-Vector.html#magV" class="link">Source</a></p><div class="doc"><p>The magnitude of a vector.
</p></div></div><div class="top"><p class="src"><a name="v:argV" class="def">argV</a> :: <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Prelude.html#t:Float">Float</a><a href="src/Graphics-Gloss-Data-Vector.html#argV" class="link">Source</a></p><div class="doc"><p>The angle of this vector, relative to the +ve x-axis.
</p></div></div><div class="top"><p class="src"><a name="v:dotV" class="def">dotV</a> :: <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a> -> <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Prelude.html#t:Float">Float</a><a href="src/Graphics-Gloss-Data-Vector.html#dotV" class="link">Source</a></p><div class="doc"><p>The dot product of two vectors.
</p></div></div><div class="top"><p class="src"><a name="v:detV" class="def">detV</a> :: <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a> -> <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Prelude.html#t:Float">Float</a><a href="src/Graphics-Gloss-Data-Vector.html#detV" class="link">Source</a></p><div class="doc"><p>The determinant of two vectors.
</p></div></div><div class="top"><p class="src"><a name="v:mulSV" class="def">mulSV</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Prelude.html#t:Float">Float</a> -> <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a> -> <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a><a href="src/Graphics-Gloss-Data-Vector.html#mulSV" class="link">Source</a></p><div class="doc"><p>Multiply a vector by a scalar.
</p></div></div><div class="top"><p class="src"><a name="v:rotateV" class="def">rotateV</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Prelude.html#t:Float">Float</a> -> <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a> -> <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a><a href="src/Graphics-Gloss-Data-Vector.html#rotateV" class="link">Source</a></p><div class="doc"><p>Rotate a vector by an angle (in radians). +ve angle is counter-clockwise.
</p></div></div><div class="top"><p class="src"><a name="v:angleVV" class="def">angleVV</a> :: <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a> -> <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Prelude.html#t:Float">Float</a><a href="src/Graphics-Gloss-Data-Vector.html#angleVV" class="link">Source</a></p><div class="doc"><p>Compute the inner angle (in radians) between two vectors.
</p></div></div><div class="top"><p class="src"><a name="v:normaliseV" class="def">normaliseV</a> :: <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a> -> <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a><a href="src/Graphics-Gloss-Data-Vector.html#normaliseV" class="link">Source</a></p><div class="doc"><p>Normalise a vector, so it has a magnitude of 1.
</p></div></div><div class="top"><p class="src"><a name="v:unitVectorAtAngle" class="def">unitVectorAtAngle</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.6.0.1/Prelude.html#t:Float">Float</a> -> <a href="Graphics-Gloss-Data-Vector.html#t:Vector">Vector</a><a href="src/Graphics-Gloss-Data-Vector.html#unitVectorAtAngle" class="link">Source</a></p><div class="doc"><p>Produce a unit vector at a given angle relative to the +ve x-axis.
The provided angle is in radians.
</p></div></div></div></div><div id="footer"><p>Produced by <a href="http://www.haskell.org/haddock/">Haddock</a> version 2.13.2</p></div></body></html>
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