javascript
/
three.js
镜像自地址 https://github.com/tazdij/three.js.git


			
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		[page:Geometry] &rarr;

		<h1>[name]</h1>

		<div class="desc">Creates extruded geometry from a path shape.</div>

		<iframe id="scene" src="scenes/geometry-browser.html#ExtrudeGeometry"></iframe>

		<script>

		// iOS iframe auto-resize workaround

		if ( /(iPad|iPhone|iPod)/g.test( navigator.userAgent ) ) {

			var scene = document.getElementById( 'scene' );

			scene.style.width = getComputedStyle( scene ).width;
			scene.style.height = getComputedStyle( scene ).height;
			scene.setAttribute( 'scrolling', 'no' );

		}

		</script>

		<h2>Example</h2>


		<code>
		var length = 12, width = 8;

		var shape = new THREE.Shape();
		shape.moveTo( 0,0 );
		shape.lineTo( 0, width );
		shape.lineTo( length, width );
		shape.lineTo( length, 0 );
		shape.lineTo( 0, 0 );

		var extrudeSettings = {
			steps: 2,
			amount: 16,
			bevelEnabled: true,
			bevelThickness: 1,
			bevelSize: 1,
			bevelSegments: 1
		};

		var geometry = new THREE.ExtrudeGeometry( shape, extrudeSettings );
		var material = new THREE.MeshBasicMaterial( { color: 0x00ff00 } );
		var mesh = new THREE.Mesh( geometry, material ) ;
		scene.add( mesh );
		</code>


		<h2>Constructor</h2>


		<h3>[name]([page:Array shapes], [page:Object options])</h3>
		<div>
		shapes — Shape or an array of shapes. <br />
		options — Object that can contain the following parameters.

			<ul>
				<li>curveSegments —  int. number of points on the curves</li>
				<li>steps —  int. number of points used for subdividing segements of extrude spline</li>
				<li>amount —  int. Depth to extrude the shape</li>
				<li>bevelEnabled —  bool. turn on bevel</li>
				<li>bevelThickness —  float. how deep into the original shape bevel goes</li>
				<li>bevelSize —  float. how far from shape outline is bevel</li>
				<li>bevelSegments —  int. number of bevel layers</li>
				<li>extrudePath —  THREE.CurvePath. 3d spline path to extrude shape along. (creates Frames if frames aren't defined)</li>
				<li>frames —  THREE.TubeGeometry.FrenetFrames.  containing arrays of tangents, normals, binormals</li>
				<li>material —  int. material index for front and back faces</li>
				<li>extrudeMaterial —  int. material index for extrusion and beveled faces</li>
				<li>UVGenerator —  Object. object that provides UV generator functions</li>
			</ul>

		</div>
		<div>
		This object extrudes an 2D shape to an 3D geometry.
		</div>


		<h2>Properties</h2>


		<h2>Methods</h2>

		<h3>[method:null addShapeList]([page:Array shapes], [page:Object options])</h3>
		<div>
			shapes — An Array of shapes to add. <br />
			options — Object that can contain the following parameters.
			<ul>
				<li>curveSegments —  int. number of points on the curves</li>
				<li>steps —  int. number of points used for subdividing segements of extrude spline</li>
				<li>amount —  int. Depth to extrude the shape</li>
				<li>bevelEnabled —  bool. turn on bevel</li>
				<li>bevelThickness —  float. how deep into the original shape bevel goes</li>
				<li>bevelSize —  float. how far from shape outline is bevel</li>
				<li>bevelSegments —  int. number of bevel layers</li>
				<li>extrudePath —  THREE.Curve. curve to extrude shape along</li>
				<li>frames —  Object.  containing arrays of tangents, normals, binormals</li>
				<li>material —  int. material index for front and back faces</li>
				<li>extrudeMaterial —  int. material index for extrusion and beveled faces</li>
				<li>UVGenerator —  Object. object that provides UV generator functions</li>
			</ul>
		</div>
		<div>Adds the shapes to the list to extrude.</div>

		<h3>[method:null addShape]([page:Shape shape], [page:Object options])</h3>
		<div>
			shape — A shape to add. <br />
			options — Object that can contain the following parameters.
			<ul>
				<li>curveSegments —  int. number of points on the curves</li>
				<li>steps —  int. number of points used for subdividing segements of extrude spline</li>
				<li>amount —  int. Depth to extrude the shape</li>
				<li>bevelEnabled —  bool. turn on bevel</li>
				<li>bevelThickness —  float. how deep into the original shape bevel goes</li>
				<li>bevelSize —  float. how far from shape outline is bevel</li>
				<li>bevelSegments —  int. number of bevel layers</li>
				<li>extrudePath —  THREE.Curve. curve to extrude shape along</li>
				<li>frames —  Object.  containing arrays of tangents, normals, binormals</li>
				<li>material —  int. material index for front and back faces</li>
				<li>extrudeMaterial —  int. material index for extrusion and beveled faces</li>
				<li>UVGenerator —  Object. object that provides UV generator functions</li>
			</ul>
		</div>
		<div>Add the shape to the list to extrude.</div>


		<h2>Source</h2>

		[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]
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