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<title>Graphics/Gloss/Internals/Interface/Animate/State.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>{-# OPTIONS_HADDOCK hide #-}</span>
<a name="line-2"></a>
<a name="line-3"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Gloss</span><span class='hs-varop'>.</span><span class='hs-conid'>Internals</span><span class='hs-varop'>.</span><span class='hs-conid'>Interface</span><span class='hs-varop'>.</span><span class='hs-conid'>Animate</span><span class='hs-varop'>.</span><span class='hs-conid'>State</span>
<a name="line-4"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>State</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-5"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stateInit</span> <span class='hs-layout'>)</span>
<a name="line-6"></a><span class='hs-keyword'>where</span>
<a name="line-7"></a>
<a name="line-8"></a><a name="State"></a><span class='hs-comment'>-- | Animation State</span>
<a name="line-9"></a><a name="State"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>State</span>
<a name="line-10"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>State</span>
<a name="line-11"></a> <span class='hs-layout'>{</span>
<a name="line-12"></a> <span class='hs-comment'>-- | Whether the animation is running.</span>
<a name="line-13"></a> <span class='hs-varid'>stateAnimate</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-conid'>Bool</span>
<a name="line-14"></a>
<a name="line-15"></a> <span class='hs-comment'>-- | How many times we've entered the animation loop.</span>
<a name="line-16"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stateAnimateCount</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-conid'>Integer</span>
<a name="line-17"></a>
<a name="line-18"></a> <span class='hs-comment'>-- | Whether this is the first frame of the animation.</span>
<a name="line-19"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stateAnimateStart</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-conid'>Bool</span>
<a name="line-20"></a>
<a name="line-21"></a> <span class='hs-comment'>-- | Number of msec the animation has been running for</span>
<a name="line-22"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stateAnimateTime</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-conid'>Double</span>
<a name="line-23"></a>
<a name="line-24"></a> <span class='hs-comment'>-- | The time when we entered the display callback for the current frame.</span>
<a name="line-25"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stateDisplayTime</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-conid'>Double</span>
<a name="line-26"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stateDisplayTimeLast</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-conid'>Double</span>
<a name="line-27"></a>
<a name="line-28"></a> <span class='hs-comment'>-- | Clamp the minimum time between frames to this value (in seconds)</span>
<a name="line-29"></a> <span class='hs-comment'>-- Setting this to < 10ms probably isn't worthwhile.</span>
<a name="line-30"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stateDisplayTimeClamp</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-conid'>Double</span>
<a name="line-31"></a>
<a name="line-32"></a> <span class='hs-comment'>-- | The time when the last call to the users render function finished.</span>
<a name="line-33"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stateGateTimeStart</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-conid'>Double</span>
<a name="line-34"></a>
<a name="line-35"></a> <span class='hs-comment'>-- | The time when displayInWindow last finished (after sleeping to clamp fps).</span>
<a name="line-36"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stateGateTimeEnd</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-conid'>Double</span>
<a name="line-37"></a>
<a name="line-38"></a> <span class='hs-comment'>-- | How long it took to draw this frame</span>
<a name="line-39"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stateGateTimeElapsed</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>!</span><span class='hs-conid'>Double</span> <span class='hs-layout'>}</span>
<a name="line-40"></a>
<a name="line-41"></a>
<a name="line-42"></a><a name="stateInit"></a><span class='hs-definition'>stateInit</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>State</span>
<a name="line-43"></a><span class='hs-definition'>stateInit</span>
<a name="line-44"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>State</span>
<a name="line-45"></a> <span class='hs-layout'>{</span> <span class='hs-varid'>stateAnimate</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-46"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stateAnimateCount</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span>
<a name="line-47"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stateAnimateStart</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-48"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stateAnimateTime</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span>
<a name="line-49"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stateDisplayTime</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span>
<a name="line-50"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stateDisplayTimeLast</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span>
<a name="line-51"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stateDisplayTimeClamp</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0.01</span>
<a name="line-52"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stateGateTimeStart</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span>
<a name="line-53"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stateGateTimeEnd</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span>
<a name="line-54"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stateGateTimeElapsed</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span> <span class='hs-layout'>}</span>
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