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65 lines
1.7 KiB
65 lines
1.7 KiB
<!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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[page:Object3D] → [page:Line] → [page:LineSegments] →
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<h1>[name]</h1>
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<p class="desc">
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用于模拟平面 [page:Plane] 的辅助对象.
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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 plane = new THREE.Plane( new THREE.Vector3( 1, 1, 0.2 ), 3 );
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const helper = new THREE.PlaneHelper( plane, 1, 0xffff00 );
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scene.add( helper );
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</code>
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<h2>构造函数</h2>
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<h3>[name]( [param:Plane plane], [param:Float size], [param:Color hex] )</h3>
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<p>
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[page:Plane plane] -- 被模拟的平面.<br />
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[page:Float size] -- (可选的) 辅助对象的单边长度. 默认为 1.<br />
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[page:Color color] -- (可选的) 辅助对象的颜色. 默认为 0xffff00.<br /><br />
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创建一个线框辅助对象来表示指定平面.
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</p>
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<h2>属性</h2>
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<p>请到基类 [page:LineSegments] 页面查看公共属性.</p>
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<h3>[property:Plane plane]</h3>
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<p>被模拟的平面 [page:Plane plane] .</p>
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<h3>[property:Float size]</h3>
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<p>辅助对象的单边长度.</p>
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<h2>方法</h2>
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<p>请到基类 [page:LineSegments] 页面查看公共方法.</p>
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<h3>[method:undefined updateMatrixWorld]( [param:Boolean force] )</h3>
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<p>
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重写基类 [page:Object3D] 的该方法以便于
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同时更新线框辅助对象与 [page:PlaneHelper.plane .plane] 和
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[page:PlaneHelper.size .size] 属性保持一致.
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</p>
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<h2>源码</h2>
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<p>
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[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]
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</p>
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</body>
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</html>
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