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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<base href="../../../" />
<script src="list.js"></script>
<script src="page.js"></script>
<link type="text/css" rel="stylesheet" href="page.css" />
</head>
<body>
[page:Geometry] →
<h1>立方几何体（[name]）</h1>
<p class="desc">
BoxGeometry是四边形的原始几何类，它通常使用构造函数所提供的“width”、“height”、“depth”参数来创建立方体或者不规则四边形。</p>
<iframe id="scene" src="scenes/geometry-browser.html#BoxGeometry"></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>示例</h2>
<code>var geometry = new THREE.BoxGeometry( 1, 1, 1 );
var material = new THREE.MeshBasicMaterial( {color: 0x00ff00} );
var cube = new THREE.Mesh( geometry, material );
scene.add( cube );
</code>
<h2>构造器</h2>
<h3>[name]([param:Float width], [param:Float height], [param:Float depth], [param:Integer widthSegments], [param:Integer heightSegments], [param:Integer depthSegments])</h3>
<p>
width — X轴上面的宽度，默认值为1。<br />
height — Y轴上面的高度，默认值为1。<br />
depth — Z轴上面的深度，默认值为1。<br />
widthSegments — （可选）宽度的分段数，默认值是1。<br />
heightSegments — （可选）宽度的分段数，默认值是1。<br />
depthSegments — （可选）宽度的分段数，默认值是1。
</p>
<h2>属性</h2>
<p>共有属性请参见其基类[page:Geometry]。</p>
<h3>[property:Object parameters]</h3>
<p>
一个包含着构造函数中每个参数的对象。在对象实例化之后，对该属性的任何修改都不会改变这个几何体。
</p>
<p>
使用上面的示例代码来作为基础：
<code>
geometry.parameters; // outputs an object {width: 1, height: 1, depth: 1, widthSegments: undefined, heightSegments: undefined}
cube.geometry.parameters; // as above
cube.geometry.parameters.width; // === 1
cube.geometry.parameters.widthSegments // === undefined.
</code>
</p>
<h2>方法(Methods)</h2>
<p>共有方法请参见其基类[page:Geometry]。</p>
<h2>源代码</h2>
<p>
[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]
</p>
</body>
</html>
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