javascript
/
three.js
镜像来自 https://github.com/tazdij/three.js.git


			
				
					
						
						
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		[page:BufferGeometry] &rarr;

		<h1>[name]</h1>

		<p class="desc">A class for generating cylinder geometries.</p>

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

		<script>

		// iOS iframe auto-resize workaround

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

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

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

		}

		</script>

		<h2>Code Example</h2>

		<code>const geometry = new THREE.CylinderGeometry( 5, 5, 20, 32 );
		const material = new THREE.MeshBasicMaterial( {color: 0xffff00} );
		const cylinder = new THREE.Mesh( geometry, material );
		scene.add( cylinder );
		</code>

		<h2>Constructor</h2>

		<h3>[name]([param:Float radiusTop], [param:Float radiusBottom], [param:Float height], [param:Integer radialSegments], [param:Integer heightSegments], [param:Boolean openEnded], [param:Float thetaStart], [param:Float thetaLength])</h3>
		<p>
		radiusTop — Radius of the cylinder at the top. Default is 1.<br />
		radiusBottom — Radius of the cylinder at the bottom. Default is 1.<br />
		height — Height of the cylinder. Default is 1.<br />
		radialSegments — Number of segmented faces around the circumference of the cylinder. Default is 8<br />
		heightSegments — Number of rows of faces along the height of the cylinder. Default is 1.<br />
		openEnded — A Boolean indicating whether the ends of the cylinder are open or capped. Default is false, meaning capped.<br />
		thetaStart — Start angle for first segment, default = 0 (three o'clock position).<br />
		thetaLength — The central angle, often called theta, of the circular sector. The default is 2*Pi, which makes for a complete cylinder.
		</p>

		<h2>Properties</h2>
		<p>See the base [page:BufferGeometry] class for common properties.</p>

		<h3>[property:Object parameters]</h3>
		<p>
		An object with a property for each of the constructor parameters. Any modification after instantiation does not change the geometry.
		</p>

		<h2>Methods</h2>
		<p>See the base [page:BufferGeometry] class for common methods.</p>

		<h2>Source</h2>

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