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115 lines
2.9 KiB
115 lines
2.9 KiB
2 years ago
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<!DOCTYPE html>
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<html lang="en">
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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 Physics handler for <a href="https://sites.google.com/view/evpvp/">`MMD`</a> resources. <br /><br />
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[name] calculates Physics for model loaded by [page:MMDLoader] with <a href="https://github.com/kripken/ammo.js/">ammo.js</a> (Bullet-based JavaScript Physics engine).
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</p>
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<h2>Code Example</h2>
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<code>
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let physics;
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// Load MMD resources and instantiate MMDPhysics
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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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physics = new MMDPhysics( mesh )
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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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const delta = clock.getDelta();
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animate( delta ); // update bones
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if ( physics !== undefined ) physics.update( delta );
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renderer.render( scene, camera );
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}
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</code>
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<h2>Examples</h2>
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<p>
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[example:webgl_loader_mmd]<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 rigidBodyParams], [param:Array constraintParams], [param:Object params] )</h3>
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<p>
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[page:SkinnedMesh mesh] — [page:SkinnedMesh] for which [name] calculates Physics.<br />
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[page:Array rigidBodyParams] — An array of [page:Object] specifying Rigid Body parameters.<br />
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[page:Array constraintParams] — (optional) An array of [page:Object] specifying Constraint parameters.<br />
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[page:Object params] — (optional)<br />
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<ul>
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<li>[page:Number unitStep] - Default is 1 / 65.</li>
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<li>[page:Integer maxStepNum] - Default is 3.</li>
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<li>[page:Vector3 gravity] - Default is ( 0, - 9.8 * 10, 0 )</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 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:MMDPhysicsHelper createHelper]()</h3>
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<p>
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Return [page:MMDPhysicsHelper]. You can visualize Rigid bodies by adding the helper to scene.
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</p>
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<h3>[method:this reset]()</h3>
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<p>
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Resets Rigid bodies transform to current bone's.
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</p>
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<h3>[method:this setGravity]( [param:Vector3 gravity] )</h3>
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<p>
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[page:Vector3 gravity] — Direction and volume of gravity.
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</p>
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<p>
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Set gravity.
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</p>
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<h3>[method:this update]( [param:Number delta] )</h3>
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<p>
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[page:Number delta] — Time in second.
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</p>
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<p>
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Advance Physics calculation and updates bones.
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</p>
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<h3>[method:this warmup]( [param:Integer cycles] )</h3>
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<p>
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[page:Number delta] — Time in second.
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</p>
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<p>
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Warm up Rigid bodies. Calculates cycles steps.
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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/MMDPhysics.js examples/jsm/animation/MMDPhysics.js]
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</p>
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</body>
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</html>
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