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<h1>WebGLGraphics Class</h1>
<div class="box meta">
<div class="foundat">
Defined in: <a href="../files/src_pixi_renderers_webgl_utils_WebGLGraphics.js.html#l5"><code>src/pixi/renderers/webgl/utils/WebGLGraphics.js:5</code></a>
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Module: <a href="../modules/PIXI.html">PIXI</a>
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<div class="box intro">
<p>A set of functions used by the webGL renderer to draw the primitive graphics data</p>
</div>
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<li class="api-class-tab index"><a href="#index">Index</a></li>
<li class="api-class-tab methods"><a href="#methods">Methods</a></li>
</ul>
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<div id="index" class="api-class-tabpanel index">
<h2 class="off-left">Item Index</h2>
<div class="index-section methods">
<h3>Methods</h3>
<ul class="index-list methods">
<li class="index-item method private">
<a href="#method_buildCircle">buildCircle</a>
<span class="flag static">static</span>
</li>
<li class="index-item method private">
<a href="#method_buildComplexPoly">buildComplexPoly</a>
<span class="flag static">static</span>
</li>
<li class="index-item method private">
<a href="#method_buildLine">buildLine</a>
<span class="flag static">static</span>
</li>
<li class="index-item method private">
<a href="#method_buildPoly">buildPoly</a>
<span class="flag static">static</span>
</li>
<li class="index-item method private">
<a href="#method_buildRectangle">buildRectangle</a>
<span class="flag static">static</span>
</li>
<li class="index-item method private">
<a href="#method_buildRoundedRectangle">buildRoundedRectangle</a>
<span class="flag static">static</span>
</li>
<li class="index-item method private">
<a href="#method_quadraticBezierCurve">quadraticBezierCurve</a>
<span class="flag static">static</span>
</li>
<li class="index-item method private">
<a href="#method_renderGraphics">renderGraphics</a>
<span class="flag static">static</span>
</li>
<li class="index-item method private">
<a href="#method_switchMode">switchMode</a>
<span class="flag static">static</span>
</li>
<li class="index-item method private">
<a href="#method_updateGraphics">updateGraphics</a>
<span class="flag static">static</span>
</li>
</ul>
</div>
</div>
<div id="methods" class="api-class-tabpanel">
<h2 class="off-left">Methods</h2>
<div id="method_buildCircle" class="method item private">
<h3 class="name"><code>buildCircle</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>graphicsData</code>
</li>
<li class="arg">
<code>webGLData</code>
</li>
</ul><span class="paren">)</span>
</div>
<span class="flag private">private</span>
<span class="flag static">static</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_renderers_webgl_utils_WebGLGraphics.js.html#l421"><code>src/pixi/renderers/webgl/utils/WebGLGraphics.js:421</code></a>
</p>
</div>
<div class="description">
<p>Builds a circle to draw</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">graphicsData</code>
<span class="type"><a href="../classes/Graphics.html" class="crosslink">Graphics</a></span>
<div class="param-description">
<p>The graphics object to draw</p>
</div>
</li>
<li class="param">
<code class="param-name">webGLData</code>
<span class="type">Object</span>
<div class="param-description">
</div>
</li>
</ul>
</div>
</div>
<div id="method_buildComplexPoly" class="method item private">
<h3 class="name"><code>buildComplexPoly</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>graphicsData</code>
</li>
<li class="arg">
<code>webGLData</code>
</li>
</ul><span class="paren">)</span>
</div>
<span class="flag private">private</span>
<span class="flag static">static</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_renderers_webgl_utils_WebGLGraphics.js.html#l716"><code>src/pixi/renderers/webgl/utils/WebGLGraphics.js:716</code></a>
</p>
</div>
<div class="description">
<p>Builds a complex polygon to draw</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">graphicsData</code>
<span class="type"><a href="../classes/Graphics.html" class="crosslink">Graphics</a></span>
<div class="param-description">
<p>The graphics object containing all the necessary properties</p>
</div>
</li>
<li class="param">
<code class="param-name">webGLData</code>
<span class="type">Object</span>
<div class="param-description">
</div>
</li>
</ul>
</div>
</div>
<div id="method_buildLine" class="method item private">
<h3 class="name"><code>buildLine</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>graphicsData</code>
</li>
<li class="arg">
<code>webGLData</code>
</li>
</ul><span class="paren">)</span>
</div>
<span class="flag private">private</span>
<span class="flag static">static</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_renderers_webgl_utils_WebGLGraphics.js.html#l504"><code>src/pixi/renderers/webgl/utils/WebGLGraphics.js:504</code></a>
</p>
</div>
<div class="description">
<p>Builds a line to draw</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">graphicsData</code>
<span class="type"><a href="../classes/Graphics.html" class="crosslink">Graphics</a></span>
<div class="param-description">
<p>The graphics object containing all the necessary properties</p>
</div>
</li>
<li class="param">
<code class="param-name">webGLData</code>
<span class="type">Object</span>
<div class="param-description">
</div>
</li>
</ul>
</div>
</div>
<div id="method_buildPoly" class="method item private">
<h3 class="name"><code>buildPoly</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>graphicsData</code>
</li>
<li class="arg">
<code>webGLData</code>
</li>
</ul><span class="paren">)</span>
</div>
<span class="flag private">private</span>
<span class="flag static">static</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_renderers_webgl_utils_WebGLGraphics.js.html#l778"><code>src/pixi/renderers/webgl/utils/WebGLGraphics.js:778</code></a>
</p>
</div>
<div class="description">
<p>Builds a polygon to draw</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">graphicsData</code>
<span class="type"><a href="../classes/Graphics.html" class="crosslink">Graphics</a></span>
<div class="param-description">
<p>The graphics object containing all the necessary properties</p>
</div>
</li>
<li class="param">
<code class="param-name">webGLData</code>
<span class="type">Object</span>
<div class="param-description">
</div>
</li>
</ul>
</div>
</div>
<div id="method_buildRectangle" class="method item private">
<h3 class="name"><code>buildRectangle</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>graphicsData</code>
</li>
<li class="arg">
<code>webGLData</code>
</li>
</ul><span class="paren">)</span>
</div>
<span class="flag private">private</span>
<span class="flag static">static</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_renderers_webgl_utils_WebGLGraphics.js.html#l233"><code>src/pixi/renderers/webgl/utils/WebGLGraphics.js:233</code></a>
</p>
</div>
<div class="description">
<p>Builds a rectangle to draw</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">graphicsData</code>
<span class="type"><a href="../classes/Graphics.html" class="crosslink">Graphics</a></span>
<div class="param-description">
<p>The graphics object containing all the necessary properties</p>
</div>
</li>
<li class="param">
<code class="param-name">webGLData</code>
<span class="type">Object</span>
<div class="param-description">
</div>
</li>
</ul>
</div>
</div>
<div id="method_buildRoundedRectangle" class="method item private">
<h3 class="name"><code>buildRoundedRectangle</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>graphicsData</code>
</li>
<li class="arg">
<code>webGLData</code>
</li>
</ul><span class="paren">)</span>
</div>
<span class="flag private">private</span>
<span class="flag static">static</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_renderers_webgl_utils_WebGLGraphics.js.html#l301"><code>src/pixi/renderers/webgl/utils/WebGLGraphics.js:301</code></a>
</p>
</div>
<div class="description">
<p>Builds a rounded rectangle to draw</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">graphicsData</code>
<span class="type"><a href="../classes/Graphics.html" class="crosslink">Graphics</a></span>
<div class="param-description">
<p>The graphics object containing all the necessary properties</p>
</div>
</li>
<li class="param">
<code class="param-name">webGLData</code>
<span class="type">Object</span>
<div class="param-description">
</div>
</li>
</ul>
</div>
</div>
<div id="method_quadraticBezierCurve" class="method item private">
<h3 class="name"><code>quadraticBezierCurve</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>fromX</code>
</li>
<li class="arg">
<code>fromY</code>
</li>
<li class="arg">
<code>cpX</code>
</li>
<li class="arg">
<code>cpY</code>
</li>
<li class="arg">
<code>toX</code>
</li>
<li class="arg">
<code>toY</code>
</li>
</ul><span class="paren">)</span>
</div>
<span class="returns-inline">
<span class="type">Array<Number></span>
</span>
<span class="flag private">private</span>
<span class="flag static">static</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_renderers_webgl_utils_WebGLGraphics.js.html#l369"><code>src/pixi/renderers/webgl/utils/WebGLGraphics.js:369</code></a>
</p>
</div>
<div class="description">
<p>Calculate the points for a quadratic bezier curve. (helper function..)
Based on: <a href="https://stackoverflow.com/questions/785097/how-do-i-implement-a-bezier-curve-in-c">https://stackoverflow.com/questions/785097/how-do-i-implement-a-bezier-curve-in-c</a></p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">fromX</code>
<span class="type">Number</span>
<div class="param-description">
<p>Origin point x</p>
</div>
</li>
<li class="param">
<code class="param-name">fromY</code>
<span class="type">Number</span>
<div class="param-description">
<p>Origin point x</p>
</div>
</li>
<li class="param">
<code class="param-name">cpX</code>
<span class="type">Number</span>
<div class="param-description">
<p>Control point x</p>
</div>
</li>
<li class="param">
<code class="param-name">cpY</code>
<span class="type">Number</span>
<div class="param-description">
<p>Control point y</p>
</div>
</li>
<li class="param">
<code class="param-name">toX</code>
<span class="type">Number</span>
<div class="param-description">
<p>Destination point x</p>
</div>
</li>
<li class="param">
<code class="param-name">toY</code>
<span class="type">Number</span>
<div class="param-description">
<p>Destination point y</p>
</div>
</li>
</ul>
</div>
<div class="returns">
<h4>Returns:</h4>
<div class="returns-description">
<span class="type">Array<Number></span>:
</div>
</div>
</div>
<div id="method_renderGraphics" class="method item private">
<h3 class="name"><code>renderGraphics</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>graphics</code>
</li>
<li class="arg">
<code>renderSession</code>
</li>
</ul><span class="paren">)</span>
</div>
<span class="flag private">private</span>
<span class="flag static">static</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_renderers_webgl_utils_WebGLGraphics.js.html#l16"><code>src/pixi/renderers/webgl/utils/WebGLGraphics.js:16</code></a>
</p>
</div>
<div class="description">
<p>Renders the graphics object</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">graphics</code>
<span class="type"><a href="../classes/Graphics.html" class="crosslink">Graphics</a></span>
<div class="param-description">
</div>
</li>
<li class="param">
<code class="param-name">renderSession</code>
<span class="type">Object</span>
<div class="param-description">
</div>
</li>
</ul>
</div>
</div>
<div id="method_switchMode" class="method item private">
<h3 class="name"><code>switchMode</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>webGL</code>
</li>
<li class="arg">
<code>type</code>
</li>
</ul><span class="paren">)</span>
</div>
<span class="flag private">private</span>
<span class="flag static">static</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_renderers_webgl_utils_WebGLGraphics.js.html#l199"><code>src/pixi/renderers/webgl/utils/WebGLGraphics.js:199</code></a>
</p>
</div>
<div class="description">
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">webGL</code>
<span class="type">WebGLContext</span>
<div class="param-description">
</div>
</li>
<li class="param">
<code class="param-name">type</code>
<span class="type">Number</span>
<div class="param-description">
</div>
</li>
</ul>
</div>
</div>
<div id="method_updateGraphics" class="method item private">
<h3 class="name"><code>updateGraphics</code></h3>
<div class="args">
<span class="paren">(</span><ul class="args-list inline commas">
<li class="arg">
<code>graphicsData</code>
</li>
<li class="arg">
<code>gl</code>
</li>
</ul><span class="paren">)</span>
</div>
<span class="flag private">private</span>
<span class="flag static">static</span>
<div class="meta">
<p>
Defined in
<a href="../files/src_pixi_renderers_webgl_utils_WebGLGraphics.js.html#l84"><code>src/pixi/renderers/webgl/utils/WebGLGraphics.js:84</code></a>
</p>
</div>
<div class="description">
<p>Updates the graphics object</p>
</div>
<div class="params">
<h4>Parameters:</h4>
<ul class="params-list">
<li class="param">
<code class="param-name">graphicsData</code>
<span class="type"><a href="../classes/Graphics.html" class="crosslink">Graphics</a></span>
<div class="param-description">
<p>The graphics object to update</p>
</div>
</li>
<li class="param">
<code class="param-name">gl</code>
<span class="type">WebGLContext</span>
<div class="param-description">
<p>the current WebGL drawing context</p>
</div>
</li>
</ul>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
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