110 lines
3.4 KiB
HTML
110 lines
3.4 KiB
HTML
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<!DOCTYPE html>
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<html lang="zh">
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<head>
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<meta charset="utf-8" />
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<base href="../../../" />
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<script src="page.js"></script>
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<link type="text/css" rel="stylesheet" href="page.css" />
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</head>
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<body>
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<h1>[name]</h1>
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<p class="desc"> A solver for IK with <a href="https://sites.google.com/site/auraliusproject/ccd-algorithm"><em>CCD Algorithm</em></a>. <br /><br />
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[name] solves Inverse Kinematics Problem with CCD Algorithm.
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[name] is designed to work with [page:SkinnedMesh] loaded by [page:MMDLoader] but also can be used for generic [page:SkinnedMesh].
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</p>
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<h2>代码示例</h2>
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<code>
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const ikSolver;
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// Load MMD resources and instantiate CCDIKSolver
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new MMDLoader().load(
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'models/mmd/miku.pmd',
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function ( mesh ) {
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ikSolver = new CCDIKSolver( mesh, mesh.geometry.iks );
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scene.add( mesh );
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}
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);
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function render() {
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animate(); // update bones
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if ( ikSolver !== undefined ) ikSolver.update();
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renderer.render( scene, camera );
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}
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</code>
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<h2>例子</h2>
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<p>
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[example:webgl_loader_mmd]<br />
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[example:webgl_loader_mmd_pose]<br />
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[example:webgl_loader_mmd_audio]
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</p>
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<h2>Constructor</h2>
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<h3>[name]( [param:SkinnedMesh mesh], [param:Array iks] )</h3>
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<p>
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[page:SkinnedMesh mesh] — [page:SkinnedMesh] for which [name] solves IK problem.<br />
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[page:Array iks] — An array of [page:Object] specifying IK parameter. target, effector, and link-index are index integers in .skeleton.bones.
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The bones relation should be "links[ n ], links[ n - 1 ], ..., links[ 0 ], effector" in order from parent to child.<br />
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<ul>
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<li>[page:Integer target] — Target bone.</li>
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<li>[page:Integer effector] — Effector bone.</li>
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<li>[page:Array links] — An array of [page: Object] specifying link bones.
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<ul>
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<li>[page:Integer index] — Link bone.</li>
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<li>[page:Vector3 limitation] — (optional) Rotation axis. Default is undefined.</li>
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<li>[page:Vector3 rotationMin] — (optional) Rotation minimum limit. Default is undefined.</li>
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<li>[page:Vector3 rotationMax] — (optional) Rotation maximum limit. Default is undefined.</li>
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<li>[page:Boolean enabled] — (optional) Default is true.</li>
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</ul>
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</li>
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<li>[page:Integer iteration] — (optional) Iteration number of calculation. Smaller is faster but less precise. Default is 1.</li>
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<li>[page:Number minAngle] — (optional) Minimum rotation angle in a step. Default is undefined.</li>
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<li>[page:Number maxAngle] — (optional) Maximum rotation angle in a step. Default is undefined.</li>
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</ul>
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</p>
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<p>
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Creates a new [name].
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</p>
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<h2>Properties</h2>
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<h3>[property:Array iks]</h3>
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<p>An array of IK parameter passed to the constructor.</p>
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<h3>[property:SkinnedMesh mesh]</h3>
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<p>[page:SkinnedMesh] passed to the constructor.</p>
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<h2>Methods</h2>
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<h3>[method:CCDIKHelper createHelper]()</h3>
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<p>
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Return [page:CCDIKHelper]. You can visualize IK bones by adding the helper to scene.
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</p>
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<h3>[method:CCDIKSolver update]()</h3>
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<p>
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Update bones quaternion by solving CCD algorithm.
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</p>
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<h3>[method:CCDIKSolver updateOne]( [param:Object ikParam] )</h3>
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<p>
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Update an IK bone quaternion by solving CCD algorithm.
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</p>
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<h2>Source</h2>
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<p>
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[link:https://github.com/mrdoob/three.js/blob/master/examples/jsm/animation/CCDIKSolver.js examples/jsm/animation/CCDIKSolver.js]
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</p>
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</body>
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</html>
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