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4114 lines
60 KiB
HTML
4114 lines
60 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<meta charset="utf-8">
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<title>TWGL Module: twgl.primitives</title>
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<a href="modules.list.html" class="dropdown-toggle" data-toggle="dropdown">Modules<b
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<a href="module-twgl.html">twgl</a>
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<a href="m4.html">twgl/m4</a>
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<a href="primitives.html">twgl/primitives</a>
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<a href="v3.html">twgl/v3</a>
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<div class="span8">
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<div id="main">
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<h1 class="page-title">Module: twgl.primitives</h1>
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<section>
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<header>
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<h2>
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twgl/primitives
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</h2>
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</header>
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<article>
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<div class="container-overview">
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<div class="description"><p>Various functions to make simple primitives</p>
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<p>note: Most primitive functions come in 3 styles</p>
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<ul>
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<li><p><code>createSomeShapeBufferInfo</code></p>
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<p>These functions are almost always the functions you want to call. They
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create vertices then make WebGLBuffers and create <a href="module-twgl.html#AttribInfo"><code>AttribInfo</code></a>s
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returing a <a href="module-twgl.html#BufferInfo"><code>BufferInfo</code></a> you can pass to <a href="module-twgl.html#setBuffersAndAttributes"><code>setBuffersAndAttributes</code></a>
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and <a href="module-twgl.html#drawBufferInfo"><code>drawBufferInfo</code></a> etc...</p>
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</li>
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<li><p><code>createSomeShapeBuffers</code></p>
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<p>These create WebGLBuffers but nothing else.
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It's a shortcut to doing it yourself if you don't want to use
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the higher level functions.</p>
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</li>
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<li><p><code>createSomeShapeVertices</code></p>
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<p>These just create vertices, no buffers. This allows you to manipulate the vertices
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or add more before generating a <a href="module-twgl.html#BufferInfo"><code>BufferInfo</code></a>. Once you're finished
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manipulating the vertices call <a href="module-twgl.html#createBufferInfoFromArrays"><code>createBufferInfoFromArrays</code></a>.</p>
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<p>example:</p>
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<pre><code>var arrays = twgl.primitives.createPlaneArrays(1);
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twgl.primitives.reorientVertices(arrays, m4.rotationX(Math.PI * 0.5));
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var bufferInfo = twgl.createBufferInfoFromArrays(gl, arrays);</code></pre>
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</li>
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</ul></div>
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<dl class="details">
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</dl>
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</div>
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<h3 class="subsection-title">Methods</h3>
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<dl>
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<dt>
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<h4 class="name" id="create3DFVertices"><span class="type-signature"> </span>create3DFVertices<span class="signature">()</span><span class="type-signature"> → {Object.<string, TypedArray>}</span></h4>
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</dt>
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<dd>
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<div class="description">
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<p>Creates 3D 'F' vertices.
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An 'F' is useful because you can easily tell which way it is oriented.
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The created 'F' has position, normal and uv streams.</p>
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</div>
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<dl class="details">
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</dl>
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<h5>Returns:</h5>
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<div class="param-desc">
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<p>The created vertices.</p>
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</div>
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<dl>
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<dt>
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Type
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</dt>
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<dd>
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<span class="param-type">Object.<string, TypedArray></span>
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</dd>
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</dl>
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</dd>
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<dt>
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<h4 class="name" id="createCresentVertices"><span class="type-signature"> </span>createCresentVertices<span class="signature">(verticalRadius, outerRadius, innerRadius, thickness, subdivisionsDown, subdivisionsThick, <span class="optional">startOffset</span>, <span class="optional">endOffset</span>)</span><span class="type-signature"> → {Object.<string, TypedArray>}</span></h4>
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</dt>
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<dd>
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<div class="description">
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<p>Creates cresent vertices.</p>
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</div>
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<h5>Parameters:</h5>
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<table class="params table table-striped">
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<thead>
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<tr>
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<th>Name</th>
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<th>Type</th>
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<th>Argument</th>
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<th class="last">Description</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td class="name"><code>verticalRadius</code></td>
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<td class="type">
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<span class="param-type">number</span>
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</td>
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<td class="attributes">
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</td>
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<td class="description last"><p>The vertical radius of the cresent.</p></td>
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</tr>
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<tr>
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<td class="name"><code>outerRadius</code></td>
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<td class="type">
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<span class="param-type">number</span>
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</td>
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<td class="attributes">
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</td>
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<td class="description last"><p>The outer radius of the cresent.</p></td>
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</tr>
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<tr>
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<td class="name"><code>innerRadius</code></td>
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<td class="type">
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<span class="param-type">number</span>
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</td>
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<td class="attributes">
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</td>
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<td class="description last"><p>The inner radius of the cresent.</p></td>
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</tr>
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<tr>
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<td class="name"><code>thickness</code></td>
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<td class="type">
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<span class="param-type">number</span>
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</td>
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<td class="attributes">
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</td>
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<td class="description last"><p>The thickness of the cresent.</p></td>
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</tr>
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<tr>
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<td class="name"><code>subdivisionsDown</code></td>
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<td class="type">
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<span class="param-type">number</span>
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</td>
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<td class="attributes">
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</td>
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<td class="description last"><p>number of steps around the cresent.</p></td>
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</tr>
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<tr>
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<td class="name"><code>subdivisionsThick</code></td>
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<td class="type">
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<span class="param-type">number</span>
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</td>
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<td class="attributes">
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</td>
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<td class="description last"><p>number of vertically on the cresent.</p></td>
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</tr>
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<tr>
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<td class="name"><code>startOffset</code></td>
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<td class="type">
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<span class="param-type">number</span>
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</td>
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<td class="attributes">
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<optional><br>
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</td>
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<td class="description last"><p>Where to start arc. Default 0.</p></td>
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</tr>
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<tr>
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<td class="name"><code>endOffset</code></td>
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<td class="type">
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<span class="param-type">number</span>
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</td>
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<td class="attributes">
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<optional><br>
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</td>
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<td class="description last"><p>Where to end arg. Default 1.</p></td>
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</tr>
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</tbody>
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</table>
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<dl class="details">
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</dl>
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<h5>Returns:</h5>
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<div class="param-desc">
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<p>The created vertices.</p>
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</div>
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<dl>
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<dt>
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Type
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</dt>
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<dd>
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<span class="param-type">Object.<string, TypedArray></span>
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</dd>
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</dl>
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</dd>
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<dt>
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<h4 class="name" id="createCubeVertices"><span class="type-signature"> </span>createCubeVertices<span class="signature">(size)</span><span class="type-signature"> → {Object.<string, TypedArray>}</span></h4>
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</dt>
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<dd>
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<div class="description">
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<p>Creates the vertices and indices for a cube. The
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cube will be created around the origin. (-size / 2, size / 2)</p>
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</div>
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<h5>Parameters:</h5>
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<table class="params table table-striped">
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<thead>
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<tr>
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<th>Name</th>
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<th>Type</th>
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<th class="last">Description</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td class="name"><code>size</code></td>
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<td class="type">
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<span class="param-type">number</span>
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</td>
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<td class="description last"><p>Width, height and depth of the cube.</p></td>
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</tr>
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</tbody>
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</table>
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<dl class="details">
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</dl>
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<h5>Returns:</h5>
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<div class="param-desc">
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<p>The
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created plane vertices.</p>
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</div>
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<dl>
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<dt>
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Type
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</dt>
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<dd>
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<span class="param-type">Object.<string, TypedArray></span>
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</dd>
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</dl>
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</dd>
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<dt>
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<h4 class="name" id="createCylinderVertices"><span class="type-signature"> </span>createCylinderVertices<span class="signature">(radius, height, radialSubdivisions, verticalSubdivisions, <span class="optional">topCap</span>, <span class="optional">bottomCap</span>)</span><span class="type-signature"> → {Object.<string, TypedArray>}</span></h4>
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</dt>
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<dd>
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<div class="description">
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<p>Creates cylinder vertices. The cylinder will be created around the origin
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along the y-axis. The created cylinder has position, normal and uv streams.</p>
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</div>
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<h5>Parameters:</h5>
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<table class="params table table-striped">
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<thead>
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<tr>
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<th>Name</th>
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<th>Type</th>
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<th>Argument</th>
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<th class="last">Description</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td class="name"><code>radius</code></td>
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<td class="type">
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<span class="param-type">number</span>
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</td>
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<td class="attributes">
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</td>
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<td class="description last"><p>Radius of cylinder.</p></td>
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</tr>
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<tr>
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<td class="name"><code>height</code></td>
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<td class="type">
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<span class="param-type">number</span>
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</td>
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<td class="attributes">
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|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>Height of cylinder.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>radialSubdivisions</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>The number of subdivisions around the
|
|
cylinder.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>verticalSubdivisions</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>The number of subdivisions down the
|
|
cylinder.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>topCap</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">boolean</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
<optional><br>
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>Create top cap. Default = true.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>bottomCap</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">boolean</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
<optional><br>
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>Create bottom cap. Default =
|
|
true.</p></td>
|
|
</tr>
|
|
|
|
|
|
</tbody>
|
|
</table>
|
|
|
|
|
|
|
|
|
|
<dl class="details">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Returns:</h5>
|
|
|
|
|
|
<div class="param-desc">
|
|
<p>The created vertices.</p>
|
|
</div>
|
|
|
|
|
|
|
|
<dl>
|
|
<dt>
|
|
Type
|
|
</dt>
|
|
<dd>
|
|
|
|
<span class="param-type">Object.<string, TypedArray></span>
|
|
|
|
</dd>
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
</dd>
|
|
|
|
|
|
|
|
<dt>
|
|
<h4 class="name" id="createDiscVertices"><span class="type-signature"> </span>createDiscVertices<span class="signature">(radius, divisions, <span class="optional">stacks</span>, <span class="optional">innerRadius</span>, <span class="optional">stackPower</span>)</span><span class="type-signature"> → {Object.<string, TypedArray>}</span></h4>
|
|
|
|
|
|
</dt>
|
|
<dd>
|
|
|
|
|
|
<div class="description">
|
|
<p>Creates a disc. The disc will be in the xz plane, centered at
|
|
the origin. When creating, at least 3 divisions, or pie
|
|
pieces, need to be specified, otherwise the triangles making
|
|
up the disc will be degenerate. You can also specify the
|
|
number of radial pieces <code>stacks</code>. A value of 1 for
|
|
stacks will give you a simple disc of pie pieces. If you
|
|
want to create an annulus you can set <code>innerRadius</code> to a
|
|
value > 0. Finally, <code>stackPower</code> allows you to have the widths
|
|
increase or decrease as you move away from the center. This
|
|
is particularly useful when using the disc as a ground plane
|
|
with a fixed camera such that you don't need the resolution
|
|
of small triangles near the perimeter. For example, a value
|
|
of 2 will produce stacks whose ouside radius increases with
|
|
the square of the stack index. A value of 1 will give uniform
|
|
stacks.</p>
|
|
</div>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Parameters:</h5>
|
|
|
|
|
|
<table class="params table table-striped">
|
|
<thead>
|
|
<tr>
|
|
|
|
<th>Name</th>
|
|
|
|
|
|
<th>Type</th>
|
|
|
|
|
|
<th>Argument</th>
|
|
|
|
|
|
|
|
|
|
<th class="last">Description</th>
|
|
</tr>
|
|
</thead>
|
|
|
|
<tbody>
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>radius</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>Radius of the ground plane.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>divisions</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>Number of triangles in the ground plane (at least 3).</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>stacks</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
<optional><br>
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>Number of radial divisions (default=1).</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>innerRadius</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
<optional><br>
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>Default 0.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>stackPower</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
<optional><br>
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>Power to raise stack size to for decreasing width.</p></td>
|
|
</tr>
|
|
|
|
|
|
</tbody>
|
|
</table>
|
|
|
|
|
|
|
|
|
|
<dl class="details">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Returns:</h5>
|
|
|
|
|
|
<div class="param-desc">
|
|
<p>The created vertices.</p>
|
|
</div>
|
|
|
|
|
|
|
|
<dl>
|
|
<dt>
|
|
Type
|
|
</dt>
|
|
<dd>
|
|
|
|
<span class="param-type">Object.<string, TypedArray></span>
|
|
|
|
</dd>
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
</dd>
|
|
|
|
|
|
|
|
<dt>
|
|
<h4 class="name" id="createPlaneVertices"><span class="type-signature"> </span>createPlaneVertices<span class="signature">(<span class="optional">width</span>, <span class="optional">depth</span>, <span class="optional">subdivisionsWidth</span>, <span class="optional">subdivisionsDepth</span>, <span class="optional">matrix</span>)</span><span class="type-signature"> → {Object.<string, TypedArray>}</span></h4>
|
|
|
|
|
|
</dt>
|
|
<dd>
|
|
|
|
|
|
<div class="description">
|
|
<p>Creates XZ plane vertices.
|
|
The created plane has position, normal and uv streams.</p>
|
|
</div>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Parameters:</h5>
|
|
|
|
|
|
<table class="params table table-striped">
|
|
<thead>
|
|
<tr>
|
|
|
|
<th>Name</th>
|
|
|
|
|
|
<th>Type</th>
|
|
|
|
|
|
<th>Argument</th>
|
|
|
|
|
|
|
|
|
|
<th class="last">Description</th>
|
|
</tr>
|
|
</thead>
|
|
|
|
<tbody>
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>width</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
<optional><br>
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>Width of the plane. Default = 1</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>depth</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
<optional><br>
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>Depth of the plane. Default = 1</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>subdivisionsWidth</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
<optional><br>
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>Number of steps across the plane. Default = 1</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>subdivisionsDepth</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
<optional><br>
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>Number of steps down the plane. Default = 1</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>matrix</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">Matrix4</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
<optional><br>
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>A matrix by which to multiply all the vertices.</p></td>
|
|
</tr>
|
|
|
|
|
|
</tbody>
|
|
</table>
|
|
|
|
|
|
|
|
|
|
<dl class="details">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Returns:</h5>
|
|
|
|
|
|
<div class="param-desc">
|
|
<p>The
|
|
created plane vertices.</p>
|
|
</div>
|
|
|
|
|
|
|
|
<dl>
|
|
<dt>
|
|
Type
|
|
</dt>
|
|
<dd>
|
|
|
|
<span class="param-type">Object.<string, TypedArray></span>
|
|
|
|
</dd>
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
</dd>
|
|
|
|
|
|
|
|
<dt>
|
|
<h4 class="name" id="createSphereVertices"><span class="type-signature"> </span>createSphereVertices<span class="signature">(radius, subdivisionsAxis, subdivisionsHeight, <span class="optional">opt_startLatitudeInRadians</span>, <span class="optional">opt_endLatitudeInRadians</span>, <span class="optional">opt_startLongitudeInRadians</span>, <span class="optional">opt_endLongitudeInRadians</span>)</span><span class="type-signature"> → {Object.<string, TypedArray>}</span></h4>
|
|
|
|
|
|
</dt>
|
|
<dd>
|
|
|
|
|
|
<div class="description">
|
|
<p>Creates sphere vertices.
|
|
The created sphere has position, normal and uv streams.</p>
|
|
</div>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Parameters:</h5>
|
|
|
|
|
|
<table class="params table table-striped">
|
|
<thead>
|
|
<tr>
|
|
|
|
<th>Name</th>
|
|
|
|
|
|
<th>Type</th>
|
|
|
|
|
|
<th>Argument</th>
|
|
|
|
|
|
|
|
|
|
<th class="last">Description</th>
|
|
</tr>
|
|
</thead>
|
|
|
|
<tbody>
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>radius</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>radius of the sphere.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>subdivisionsAxis</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>number of steps around the sphere.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>subdivisionsHeight</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>number of vertically on the sphere.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>opt_startLatitudeInRadians</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
<optional><br>
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>where to start the
|
|
top of the sphere. Default = 0.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>opt_endLatitudeInRadians</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
<optional><br>
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>Where to end the
|
|
bottom of the sphere. Default = Math.PI.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>opt_startLongitudeInRadians</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
<optional><br>
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>where to start
|
|
wrapping the sphere. Default = 0.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>opt_endLongitudeInRadians</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
<optional><br>
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>where to end
|
|
wrapping the sphere. Default = 2 * Math.PI.</p></td>
|
|
</tr>
|
|
|
|
|
|
</tbody>
|
|
</table>
|
|
|
|
|
|
|
|
|
|
<dl class="details">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Returns:</h5>
|
|
|
|
|
|
<div class="param-desc">
|
|
<p>The
|
|
created plane vertices.</p>
|
|
</div>
|
|
|
|
|
|
|
|
<dl>
|
|
<dt>
|
|
Type
|
|
</dt>
|
|
<dd>
|
|
|
|
<span class="param-type">Object.<string, TypedArray></span>
|
|
|
|
</dd>
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
</dd>
|
|
|
|
|
|
|
|
<dt>
|
|
<h4 class="name" id="createTorusVertices"><span class="type-signature"> </span>createTorusVertices<span class="signature">(radius, thickness, radialSubdivisions, bodySubdivisions, <span class="optional">startAngle</span>, <span class="optional">endAngle</span>)</span><span class="type-signature"> → {Object.<string, TypedArray>}</span></h4>
|
|
|
|
|
|
</dt>
|
|
<dd>
|
|
|
|
|
|
<div class="description">
|
|
<p>Creates vertices for a torus</p>
|
|
</div>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Parameters:</h5>
|
|
|
|
|
|
<table class="params table table-striped">
|
|
<thead>
|
|
<tr>
|
|
|
|
<th>Name</th>
|
|
|
|
|
|
<th>Type</th>
|
|
|
|
|
|
<th>Argument</th>
|
|
|
|
|
|
|
|
|
|
<th class="last">Description</th>
|
|
</tr>
|
|
</thead>
|
|
|
|
<tbody>
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>radius</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>radius of center of torus circle.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>thickness</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>radius of torus ring.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>radialSubdivisions</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>The number of subdivisions around the torus.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>bodySubdivisions</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>The number of subdivisions around the body torus.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>startAngle</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">boolean</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
<optional><br>
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>start angle in radians. Default = 0.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>endAngle</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">boolean</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
<optional><br>
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>end angle in radians. Default = Math.PI * 2.</p></td>
|
|
</tr>
|
|
|
|
|
|
</tbody>
|
|
</table>
|
|
|
|
|
|
|
|
|
|
<dl class="details">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Returns:</h5>
|
|
|
|
|
|
<div class="param-desc">
|
|
<p>The created vertices.</p>
|
|
</div>
|
|
|
|
|
|
|
|
<dl>
|
|
<dt>
|
|
Type
|
|
</dt>
|
|
<dd>
|
|
|
|
<span class="param-type">Object.<string, TypedArray></span>
|
|
|
|
</dd>
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
</dd>
|
|
|
|
|
|
|
|
<dt>
|
|
<h4 class="name" id="createTruncatedConeVertices"><span class="type-signature"> </span>createTruncatedConeVertices<span class="signature">(bottomRadius, topRadius, height, radialSubdivisions, verticalSubdivisions, <span class="optional">opt_topCap</span>, <span class="optional">opt_bottomCap</span>)</span><span class="type-signature"> → {Object.<string, TypedArray>}</span></h4>
|
|
|
|
|
|
</dt>
|
|
<dd>
|
|
|
|
|
|
<div class="description">
|
|
<p>Creates vertices for a truncated cone, which is like a cylinder
|
|
except that it has different top and bottom radii. A truncated cone
|
|
can also be used to create cylinders and regular cones. The
|
|
truncated cone will be created centered about the origin, with the
|
|
y axis as its vertical axis. The created cone has position, normal
|
|
and uv streams.</p>
|
|
</div>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Parameters:</h5>
|
|
|
|
|
|
<table class="params table table-striped">
|
|
<thead>
|
|
<tr>
|
|
|
|
<th>Name</th>
|
|
|
|
|
|
<th>Type</th>
|
|
|
|
|
|
<th>Argument</th>
|
|
|
|
|
|
|
|
|
|
<th class="last">Description</th>
|
|
</tr>
|
|
</thead>
|
|
|
|
<tbody>
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>bottomRadius</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>Bottom radius of truncated cone.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>topRadius</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>Top radius of truncated cone.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>height</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>Height of truncated cone.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>radialSubdivisions</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>The number of subdivisions around the
|
|
truncated cone.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>verticalSubdivisions</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>The number of subdivisions down the
|
|
truncated cone.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>opt_topCap</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">boolean</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
<optional><br>
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>Create top cap. Default = true.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>opt_bottomCap</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">boolean</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
<optional><br>
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>Create bottom cap. Default =
|
|
true.</p></td>
|
|
</tr>
|
|
|
|
|
|
</tbody>
|
|
</table>
|
|
|
|
|
|
|
|
|
|
<dl class="details">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Returns:</h5>
|
|
|
|
|
|
<div class="param-desc">
|
|
<p>The
|
|
created plane vertices.</p>
|
|
</div>
|
|
|
|
|
|
|
|
<dl>
|
|
<dt>
|
|
Type
|
|
</dt>
|
|
<dd>
|
|
|
|
<span class="param-type">Object.<string, TypedArray></span>
|
|
|
|
</dd>
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
</dd>
|
|
|
|
|
|
|
|
<dt>
|
|
<h4 class="name" id="deindexVertices"><span class="type-signature"> </span>deindexVertices<span class="signature">(vertices)</span><span class="type-signature"> → {Object.<string, TypedArray>}</span></h4>
|
|
|
|
|
|
</dt>
|
|
<dd>
|
|
|
|
|
|
<div class="description">
|
|
<p>Given indexed vertices creates a new set of vertices unindexed by expanding the indexed vertices.</p>
|
|
</div>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Parameters:</h5>
|
|
|
|
|
|
<table class="params table table-striped">
|
|
<thead>
|
|
<tr>
|
|
|
|
<th>Name</th>
|
|
|
|
|
|
<th>Type</th>
|
|
|
|
|
|
|
|
|
|
|
|
<th class="last">Description</th>
|
|
</tr>
|
|
</thead>
|
|
|
|
<tbody>
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>vertices</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">Object.<string, TypedArray></span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>The indexed vertices to deindex</p></td>
|
|
</tr>
|
|
|
|
|
|
</tbody>
|
|
</table>
|
|
|
|
|
|
|
|
|
|
<dl class="details">
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
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|
|
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|
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|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
</dl>
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Returns:</h5>
|
|
|
|
|
|
<div class="param-desc">
|
|
<p>The deindexed vertices</p>
|
|
</div>
|
|
|
|
|
|
|
|
<dl>
|
|
<dt>
|
|
Type
|
|
</dt>
|
|
<dd>
|
|
|
|
<span class="param-type">Object.<string, TypedArray></span>
|
|
|
|
</dd>
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
</dd>
|
|
|
|
|
|
|
|
<dt>
|
|
<h4 class="name" id="flattenNormals"><span class="type-signature"> </span>flattenNormals<span class="signature">(vertices)</span><span class="type-signature"> → {Object.<string, TypedArray>}</span></h4>
|
|
|
|
|
|
</dt>
|
|
<dd>
|
|
|
|
|
|
<div class="description">
|
|
<p>flattens the normals of deindexed vertices in place.</p>
|
|
</div>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Parameters:</h5>
|
|
|
|
|
|
<table class="params table table-striped">
|
|
<thead>
|
|
<tr>
|
|
|
|
<th>Name</th>
|
|
|
|
|
|
<th>Type</th>
|
|
|
|
|
|
|
|
|
|
|
|
<th class="last">Description</th>
|
|
</tr>
|
|
</thead>
|
|
|
|
<tbody>
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>vertices</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">Object.<string, TypedArray></span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>The deindexed vertices who's normals to flatten</p></td>
|
|
</tr>
|
|
|
|
|
|
</tbody>
|
|
</table>
|
|
|
|
|
|
|
|
|
|
<dl class="details">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Returns:</h5>
|
|
|
|
|
|
<div class="param-desc">
|
|
<p>The flattened vertices (same as was passed in)</p>
|
|
</div>
|
|
|
|
|
|
|
|
<dl>
|
|
<dt>
|
|
Type
|
|
</dt>
|
|
<dd>
|
|
|
|
<span class="param-type">Object.<string, TypedArray></span>
|
|
|
|
</dd>
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
</dd>
|
|
|
|
|
|
|
|
<dt>
|
|
<h4 class="name" id="makeRandomVertexColors"><span class="type-signature"> </span>makeRandomVertexColors<span class="signature">(vertices, <span class="optional">options</span>)</span><span class="type-signature"> → {Object.<string, augmentedTypedArray>}</span></h4>
|
|
|
|
|
|
</dt>
|
|
<dd>
|
|
|
|
|
|
<div class="description">
|
|
<p>Creates an augmentedTypedArray of random vertex colors.
|
|
If the vertices are indexed (have an indices array) then will
|
|
just make random colors. Otherwise assumes they are triangless
|
|
and makes one random color for every 3 vertices.</p>
|
|
</div>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Parameters:</h5>
|
|
|
|
|
|
<table class="params table table-striped">
|
|
<thead>
|
|
<tr>
|
|
|
|
<th>Name</th>
|
|
|
|
|
|
<th>Type</th>
|
|
|
|
|
|
<th>Argument</th>
|
|
|
|
|
|
|
|
|
|
<th class="last">Description</th>
|
|
</tr>
|
|
</thead>
|
|
|
|
<tbody>
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>vertices</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">Object.<string, augmentedTypedArray></span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>Vertices as returned from one of the createXXXVertices functions.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>options</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type"><a href="primitives.html#RandomVerticesOptions">RandomVerticesOptions</a></span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
<optional><br>
|
|
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>options.</p></td>
|
|
</tr>
|
|
|
|
|
|
</tbody>
|
|
</table>
|
|
|
|
|
|
|
|
|
|
<dl class="details">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Returns:</h5>
|
|
|
|
|
|
<div class="param-desc">
|
|
<p>same vertices as passed in with <code>color</code> added.</p>
|
|
</div>
|
|
|
|
|
|
|
|
<dl>
|
|
<dt>
|
|
Type
|
|
</dt>
|
|
<dd>
|
|
|
|
<span class="param-type">Object.<string, augmentedTypedArray></span>
|
|
|
|
</dd>
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
</dd>
|
|
|
|
|
|
|
|
<dt>
|
|
<h4 class="name" id="reorientDirections"><span class="type-signature"> </span>reorientDirections<span class="signature">(array, matrix)</span><span class="type-signature"> → {Array.<number>|TypedArray}</span></h4>
|
|
|
|
|
|
</dt>
|
|
<dd>
|
|
|
|
|
|
<div class="description">
|
|
<p>Reorients directions by the given matrix..</p>
|
|
</div>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Parameters:</h5>
|
|
|
|
|
|
<table class="params table table-striped">
|
|
<thead>
|
|
<tr>
|
|
|
|
<th>Name</th>
|
|
|
|
|
|
<th>Type</th>
|
|
|
|
|
|
|
|
|
|
|
|
<th class="last">Description</th>
|
|
</tr>
|
|
</thead>
|
|
|
|
<tbody>
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>array</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">Array.<number>|</span>
|
|
|
|
<span class="param-type">TypedArray</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>The array. Assumes value floats per element.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>matrix</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">Matrix</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>A matrix to multiply by.</p></td>
|
|
</tr>
|
|
|
|
|
|
</tbody>
|
|
</table>
|
|
|
|
|
|
|
|
|
|
<dl class="details">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Returns:</h5>
|
|
|
|
|
|
<div class="param-desc">
|
|
<p>the same array that was passed in</p>
|
|
</div>
|
|
|
|
|
|
|
|
<dl>
|
|
<dt>
|
|
Type
|
|
</dt>
|
|
<dd>
|
|
|
|
<span class="param-type">Array.<number>|</span>
|
|
|
|
<span class="param-type">TypedArray</span>
|
|
|
|
</dd>
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
</dd>
|
|
|
|
|
|
|
|
<dt>
|
|
<h4 class="name" id="reorientNormals"><span class="type-signature"> </span>reorientNormals<span class="signature">(array, matrix)</span><span class="type-signature"> → {Array.<number>|TypedArray}</span></h4>
|
|
|
|
|
|
</dt>
|
|
<dd>
|
|
|
|
|
|
<div class="description">
|
|
<p>Reorients normals by the inverse-transpose of the given
|
|
matrix..</p>
|
|
</div>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Parameters:</h5>
|
|
|
|
|
|
<table class="params table table-striped">
|
|
<thead>
|
|
<tr>
|
|
|
|
<th>Name</th>
|
|
|
|
|
|
<th>Type</th>
|
|
|
|
|
|
|
|
|
|
|
|
<th class="last">Description</th>
|
|
</tr>
|
|
</thead>
|
|
|
|
<tbody>
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>array</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">Array.<number>|</span>
|
|
|
|
<span class="param-type">TypedArray</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>The array. Assumes value floats per element.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>matrix</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">Matrix</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>A matrix to multiply by.</p></td>
|
|
</tr>
|
|
|
|
|
|
</tbody>
|
|
</table>
|
|
|
|
|
|
|
|
|
|
<dl class="details">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Returns:</h5>
|
|
|
|
|
|
<div class="param-desc">
|
|
<p>the same array that was passed in</p>
|
|
</div>
|
|
|
|
|
|
|
|
<dl>
|
|
<dt>
|
|
Type
|
|
</dt>
|
|
<dd>
|
|
|
|
<span class="param-type">Array.<number>|</span>
|
|
|
|
<span class="param-type">TypedArray</span>
|
|
|
|
</dd>
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
</dd>
|
|
|
|
|
|
|
|
<dt>
|
|
<h4 class="name" id="reorientPositions"><span class="type-signature"> </span>reorientPositions<span class="signature">(array, matrix)</span><span class="type-signature"> → {Array.<number>|TypedArray}</span></h4>
|
|
|
|
|
|
</dt>
|
|
<dd>
|
|
|
|
|
|
<div class="description">
|
|
<p>Reorients positions by the given matrix. In other words, it
|
|
multiplies each vertex by the given matrix.</p>
|
|
</div>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Parameters:</h5>
|
|
|
|
|
|
<table class="params table table-striped">
|
|
<thead>
|
|
<tr>
|
|
|
|
<th>Name</th>
|
|
|
|
|
|
<th>Type</th>
|
|
|
|
|
|
|
|
|
|
|
|
<th class="last">Description</th>
|
|
</tr>
|
|
</thead>
|
|
|
|
<tbody>
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>array</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">Array.<number>|</span>
|
|
|
|
<span class="param-type">TypedArray</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>The array. Assumes value floats per element.</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>matrix</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">Matrix</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>A matrix to multiply by.</p></td>
|
|
</tr>
|
|
|
|
|
|
</tbody>
|
|
</table>
|
|
|
|
|
|
|
|
|
|
<dl class="details">
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Returns:</h5>
|
|
|
|
|
|
<div class="param-desc">
|
|
<p>the same array that was passed in</p>
|
|
</div>
|
|
|
|
|
|
|
|
<dl>
|
|
<dt>
|
|
Type
|
|
</dt>
|
|
<dd>
|
|
|
|
<span class="param-type">Array.<number>|</span>
|
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|
|
<span class="param-type">TypedArray</span>
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</dd>
|
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</dl>
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</dd>
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<dt>
|
|
<h4 class="name" id="reorientVertices"><span class="type-signature"> </span>reorientVertices<span class="signature">(arrays, matrix)</span><span class="type-signature"> → {Object.<string, (Array.<number>|TypedArray)>}</span></h4>
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</dt>
|
|
<dd>
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|
|
<div class="description">
|
|
<p>Reorients arrays by the given matrix. Assumes arrays have
|
|
names that contains 'pos' could be reoriented as positions,
|
|
'binorm' or 'tan' as directions, and 'norm' as normals.</p>
|
|
</div>
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<h5>Parameters:</h5>
|
|
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|
|
<table class="params table table-striped">
|
|
<thead>
|
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<tr>
|
|
|
|
<th>Name</th>
|
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|
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<th>Type</th>
|
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|
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|
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|
|
<th class="last">Description</th>
|
|
</tr>
|
|
</thead>
|
|
|
|
<tbody>
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>arrays</code></td>
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|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">Object.<string, (Array.<number>|TypedArray)></span>
|
|
|
|
|
|
</td>
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|
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|
|
<td class="description last"><p>The vertices to reorient</p></td>
|
|
</tr>
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|
|
<tr>
|
|
|
|
<td class="name"><code>matrix</code></td>
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|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">Matrix</span>
|
|
|
|
|
|
</td>
|
|
|
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|
|
|
|
|
|
|
|
<td class="description last"><p>matrix to reorient by.</p></td>
|
|
</tr>
|
|
|
|
|
|
</tbody>
|
|
</table>
|
|
|
|
|
|
|
|
|
|
<dl class="details">
|
|
|
|
|
|
|
|
|
|
|
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</dl>
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|
|
<h5>Returns:</h5>
|
|
|
|
|
|
<div class="param-desc">
|
|
<p>same arrays that were passed in.</p>
|
|
</div>
|
|
|
|
|
|
|
|
<dl>
|
|
<dt>
|
|
Type
|
|
</dt>
|
|
<dd>
|
|
|
|
<span class="param-type">Object.<string, (Array.<number>|TypedArray)></span>
|
|
|
|
</dd>
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
</dd>
|
|
|
|
</dl>
|
|
|
|
|
|
|
|
<h3 class="subsection-title">Type Definitions</h3>
|
|
|
|
<dl>
|
|
|
|
<dt>
|
|
<h4 class="name" id="RandomColorFunc"><span class="type-signature"></span>RandomColorFunc<span class="signature">(ndx, channel)</span><span class="type-signature"> → {number}</span></h4>
|
|
|
|
|
|
</dt>
|
|
<dd>
|
|
|
|
|
|
<div class="description">
|
|
<p>Used to supply random colors</p>
|
|
</div>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Parameters:</h5>
|
|
|
|
|
|
<table class="params table table-striped">
|
|
<thead>
|
|
<tr>
|
|
|
|
<th>Name</th>
|
|
|
|
|
|
<th>Type</th>
|
|
|
|
|
|
|
|
|
|
|
|
<th class="last">Description</th>
|
|
</tr>
|
|
</thead>
|
|
|
|
<tbody>
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>ndx</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>index of triangle/quad if unindexed or index of vertex if indexed</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>channel</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>0 = red, 1 = green, 2 = blue, 3 = alpha</p></td>
|
|
</tr>
|
|
|
|
|
|
</tbody>
|
|
</table>
|
|
|
|
|
|
|
|
|
|
<dl class="details">
|
|
|
|
|
|
|
|
|
|
|
|
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|
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|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<h5>Returns:</h5>
|
|
|
|
|
|
<div class="param-desc">
|
|
<p>a number from 0 to 255</p>
|
|
</div>
|
|
|
|
|
|
|
|
<dl>
|
|
<dt>
|
|
Type
|
|
</dt>
|
|
<dd>
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
</dd>
|
|
</dl>
|
|
|
|
|
|
|
|
|
|
|
|
</dd>
|
|
|
|
|
|
|
|
<dt class="name" id="RandomVerticesOptions">
|
|
<h4>RandomVerticesOptions</h4>
|
|
|
|
|
|
</dt>
|
|
<dd>
|
|
|
|
|
|
|
|
<h5>Type:</h5>
|
|
<ul>
|
|
<li>
|
|
|
|
<span class="param-type">Object</span>
|
|
|
|
</li>
|
|
</ul>
|
|
|
|
|
|
|
|
<dl class="details">
|
|
|
|
|
|
<h5 class="subsection-title">Properties:</h5>
|
|
|
|
<dl>
|
|
|
|
<table class="props table table-striped">
|
|
<thead>
|
|
<tr>
|
|
|
|
<th>Name</th>
|
|
|
|
|
|
<th>Type</th>
|
|
|
|
|
|
<th>Argument</th>
|
|
|
|
|
|
|
|
|
|
<th class="last">Description</th>
|
|
</tr>
|
|
</thead>
|
|
|
|
<tbody>
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>vertsPerColor</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type">number</span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
<optional><br>
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>Defaults to 3 for non-indexed vertices</p></td>
|
|
</tr>
|
|
|
|
|
|
|
|
<tr>
|
|
|
|
<td class="name"><code>rand</code></td>
|
|
|
|
|
|
<td class="type">
|
|
|
|
|
|
<span class="param-type"><a href="primitives.html#RandomColorFunc">RandomColorFunc</a></span>
|
|
|
|
|
|
</td>
|
|
|
|
|
|
<td class="attributes">
|
|
|
|
<optional><br>
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
|
|
|
|
|
<td class="description last"><p>A function to generate random numbers</p></td>
|
|
</tr>
|
|
|
|
|
|
</tbody>
|
|
</table>
|
|
</dl>
|
|
|
|
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|
|
</dl>
|
|
|
|
|
|
|
|
</dd>
|
|
|
|
</dl>
|
|
|
|
|
|
|
|
</article>
|
|
|
|
</section>
|
|
|
|
|
|
|
|
|
|
</div>
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<div class="clearfix"></div>
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<footer>
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<div id="toc"></div>
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