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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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<h1>相机工具([name])</h1>
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<p class="desc">
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包含用于相机操作的有用实用函数的类。
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</p>
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<h2>导入</h2>
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<p>
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[name] 是一个附加组件，必须显式导入。请参阅 [link:#manual/introduction/Installation Installation / Addons].
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</p>
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<code>
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import * as CameraUtils from 'three/addons/utils/CameraUtils.js';
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</code>
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<h2>方法</h2>
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<h3>[method:undefined frameCorners]( [param:PerspectiveCamera camera], [param:Vector3 bottomLeftCorner],
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[param:Vector3 bottomRightCorner], [param:Vector3 topLeftCorner], [param:boolean estimateViewFrustum] )</h3>
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<p>
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使用 [link:https://web.archive.org/web/20191110002841/http://csc.lsu.edu/~kooima/articles/genperspective/index.html
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Kooima 广义透视投影公式].
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注意：此功能忽略标准参数；在此之后不要调用 updateProjectionMatrix() ！ toJSON也不会捕获此函数生成的离轴矩阵。
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</p>
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<h2>源代码</h2>
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<p>
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[link:https://github.com/mrdoob/three.js/blob/master/examples/jsm/utils/CameraUtils.js examples/jsm/utils/CameraUtils.js]
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</p>
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</body>
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</html>
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