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64 lines
1.5 KiB
64 lines
1.5 KiB
2 years ago
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<!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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模拟3维包围盒 [page:Box3] 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 box = new THREE.Box3();
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box.setFromCenterAndSize( new THREE.Vector3( 1, 1, 1 ), new THREE.Vector3( 2, 1, 3 ) );
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const helper = new THREE.Box3Helper( box, 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:Box3 box], [param:Color color] )</h3>
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<p>
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[page:Box3 box] -- 被模拟的3维包围盒.<br />
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[page:Color color] -- (可选的) 线框盒子的颜色. 默认为 0xffff00.<br /><br />
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创建一个新的线框盒子用以表示指定的3维包围盒.
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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:Box3 box]</h3>
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<p>被模拟的3维包围盒.</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:Box3Helper.box .box]
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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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