You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
2.4 KiB
77 lines
2.4 KiB
2 years ago
|
<!DOCTYPE html>
|
||
|
|
<html lang="zh">
|
||
|
|
<head>
|
||
|
|
<meta charset="utf-8" />
|
||
|
|
<base href="../../../" />
|
||
|
|
<script src="page.js"></script>
|
||
|
|
<link type="text/css" rel="stylesheet" href="page.css" />
|
||
|
|
</head>
|
||
|
|
<body>
|
||
|
|
<h1>球坐标（[name]）</h1>
|
||
|
|
|
||
|
|
<p class="desc">一个点的[link:https://en.wikipedia.org/wiki/Spherical_coordinate_system spherical coordinates]（球坐标）。</p>
|
||
|
|
|
||
|
|
|
||
|
|
<h2>构造函数</h2>
|
||
|
|
|
||
|
|
|
||
|
|
<h3>[name]( [param:Float radius], [param:Float phi], [param:Float theta] )</h3>
|
||
|
|
<p>
|
||
|
|
[page:Float radius] - 半径值，或者说从该点到原点的
|
||
|
|
[link:https://en.wikipedia.org/wiki/Euclidean_distance Euclidean distance]（欧几里得距离，即直线距离）。默认值为*1.0*。<br />
|
||
|
|
[page:Float phi] - 与 y (up) 轴的极角（以弧度为单位）。 默认值为 *0*。<br />
|
||
|
|
[page:Float theta] - 绕 y (up) 轴的赤道角(方位角)（以弧度为单位）。 默认值为 *0*。<br /><br />
|
||
|
|
|
||
|
|
极角（phi）位于正 y 轴和负 y 轴上。赤道角(方位角)（theta）从正 z 开始。
|
||
|
|
</p>
|
||
|
|
|
||
|
|
|
||
|
|
<h2>属性</h2>
|
||
|
|
|
||
|
|
<h3>[property:Float radius]</h3>
|
||
|
|
|
||
|
|
<h3>[property:Float phi]</h3>
|
||
|
|
|
||
|
|
<h3>[property:Float theta]</h3>
|
||
|
|
|
||
|
|
|
||
|
|
<h2>方法</h2>
|
||
|
|
|
||
|
|
<h3>[method:Spherical clone]()</h3>
|
||
|
|
<p>
|
||
|
|
返回一个新的球坐标，新的球坐标与该球坐标具有相同的
|
||
|
|
[page:.radius radius]、[page:.phi phi]和[page:.theta theta]。
|
||
|
|
</p>
|
||
|
|
|
||
|
|
<h3>[method:this copy]( [param:Spherical s] )</h3>
|
||
|
|
<p>
|
||
|
|
复制所传入的球坐标的[page:.radius radius]、
|
||
|
|
[page:.phi phi] 和[page:.theta theta]属性到该球坐标中。
|
||
|
|
</p>
|
||
|
|
|
||
|
|
<h3>[method:this makeSafe]()</h3>
|
||
|
|
<p>
|
||
|
|
将极角 [page:.phi phi] 的值限制在0.000001 和 π - 0.000001 之间。
|
||
|
|
</p>
|
||
|
|
|
||
|
|
<h3>[method:this set]( [param:Float radius], [param:Float phi], [param:Float theta] )</h3>
|
||
|
|
<p>设置球坐标中[page:.radius radius]、[page:.phi phi] 和 [page:.theta theta] 属性的值。</p>
|
||
|
|
|
||
|
|
<h3>[method:this setFromVector3]( [param:Vector3 vec3] )</h3>
|
||
|
|
<p>
|
||
|
|
从[page:Vector3 Vector3]中设置球坐标的[page:.radius radius]、[page:.phi phi]和[page:.theta theta]值。
|
||
|
|
</p>
|
||
|
|
|
||
|
|
<h3>[method:this setFromCartesianCoords]( [param:Float x], [param:Float y], [param:Float z] )</h3>
|
||
|
|
<p>
|
||
|
|
从笛卡尔坐标系中设置球坐标的[page:.radius radius]、[page:.phi phi]和[page:.theta theta]值。
|
||
|
|
</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>
|