73 lines
2.2 KiB
HTML
73 lines
2.2 KiB
HTML
<!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>圆柱坐标（[name]）</h1>
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<p class="desc">
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一个点的[link:https://en.wikipedia.org/wiki/Cylindrical_coordinate_system cylindrical coordinates]（圆柱坐标）。
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</p>
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<h2>构造器（Constructor）</h2>
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<h3>[name]( [param:Float radius], [param:Float theta], [param:Float y] )</h3>
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<p>
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[page:Float radius] - 从原点到x-z平面上一点的距离
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默认值为 *1.0*.<br />
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[page:Float theta] - 在x-z平面内的逆时针角度，以z轴正方向的计算弧度。默认值为0。<br />
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[page:Float y] - x-z平面以上的高度 默认值为 *0*.
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</p>
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<h2>属性（Properties）</h2>
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<h3>[property:Float radius]</h3>
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<h3>[property:Float theta]</h3>
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<h3>[property:Float y]</h3>
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<h2>Methods</h2>
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<h3>[method:Cylindrical clone]()</h3>
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<p>
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返回一个与当前拥有相同 [page:.radius radius], [page:.theta theta] 和 [page:.y y] 属性的圆柱坐标。
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</p>
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<h3>[method:Cylindrical copy]( [param:Cylindrical other] )</h3>
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<p>
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将传入的圆柱坐标对象的 [page:.radius radius], [page:.theta theta] 和 [page:.y y] 属性赋给当前对象。
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</p>
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<h3>[method:Cylindrical set]( [param:Float radius], [param:Float theta], [param:Float y] )</h3>
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<p>设置该对象的 [page:.radius radius], [page:.theta theta]
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和 [page:.y y] 属性。</p>
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<h3>[method:Cylindrical setFromVector3]( [param:Vector3 vec3] )</h3>
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<p>
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从 [page:Vector3 Vector3] 中取x,y,z,并调用setFromCartesianCoords来设置圆柱坐标的
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[page:.radius radius]、[page:.theta theta] 和 [page:.y y] 的属性值。
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</p>
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<h3>[method:Cylindrical setFromCartesianCoords]( [param:Float x], [param:Float y], [param:Float z] )</h3>
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<p>
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使用笛卡尔坐标来设置该圆柱坐标中 [page:.radius radius], [page:.theta theta]
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以及 [page:.y y] 的属性值。
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</p>
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<h2>源码（Source）</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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