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- <!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>
- [page:Object3D] → [page:Line] → [page:LineSegments] →
- <h1>[name]</h1>
- <p class="desc">极坐标格辅助对象. 坐标格实际上是2维线数组.</p>
- <h2>代码示例</h2>
- <code>
- const radius = 10;
- const sectors = 16;
- const rings = 8;
- const divisions = 64;
- const helper = new THREE.PolarGridHelper( radius, sectors, rings, divisions );
- scene.add( helper );
- </code>
- <h2>例子</h2>
- <p>
- [example:webgl_helpers WebGL / helpers]
- </p>
- <h2>构造函数</h2>
- <h3>[name]( [param:Number radius], [param:Number sectors], [param:Number rings], [param:Number divisions], [param:Color color1], [param:Color color2] )</h3>
- <p>
- radius -- 极坐标格半径. 可以为任何正数. 默认为 10.<br />
- sectors -- The number of sectors the grid will be divided into. This can be any positive integer. Default is 16.<br />
- rings -- The number of rings. This can be any positive integer. Default is 8.<br />
- divisions -- 圆圈细分段数. 可以为任何大于或等于3的正整数. 默认为 64.<br />
- color1 -- 极坐标格使用的第一个颜色. 值可以为 [page:Color] 类型, 16进制 和 CSS 颜色名. 默认为 0x444444 <br />
- color2 -- 极坐标格使用的第二个颜色. 值可以为 [page:Color] 类型, 16进制 和 CSS 颜色名. 默认为 0x888888
- </p>
- <p>
- Creates a new [name] of radius 'radius' with 'sectors' number of sectors and 'rings' number of rings, where each circle is smoothed into 'divisions' number of line segments. Colors are optional.
- </p>
- <h2>源码</h2>
- <p>
- [link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]
- </p>
- </body>
- </html>
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