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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] →
- <h1>[name]</h1>
- <p class="desc">
- 创建一个表示 [page:RectAreaLight] 的辅助对象.
- </p>
- <h2>导入</h2>
- <p>
- [name] 是一个附加组件,必须显式导入。
- See [link:#manual/introduction/Installation Installation / Addons].
- </p>
- <code>
- import { RectAreaLightHelper } from 'three/addons/helpers/RectAreaLightHelper.js';
- </code>
- <h2>代码示例</h2>
- <code>
- const light = new THREE.RectAreaLight( 0xffffbb, 1.0, 5, 5 );
- const helper = new RectAreaLightHelper( light );
- scene.add( helper );
- </code>
- <h2>构造函数</h2>
- <h3>[name]( [param:RectAreaLight light], [param:Hex color] )</h3>
- <p>
- [page:RectAreaLight light] -- 被模拟的光源.<br /><br />
- [page:Hex color] -- (可选) 如果没有赋值辅助对象将使用光源的颜色.
- </p>
- <h2>属性</h2>
- <p>请到基类 [page:Object3D] 页面查看公共属性.</p>
- <h3>[property:RectAreaLight light]</h3>
- <p>被模拟的区域光源.</p>
- <h3>[property:hex color]</h3>
- <p>
- 构造函数中传入的颜色值. 默认为 *undefined*. 如果改变该值,
- 辅助对象的颜色将在下一次 [page:.update update] 被调用时更新.
- </p>
- <h2>方法</h2>
- <p>请到基类 [page:Object3D] 页面查看公共方法.</p>
- <h3>[method:undefined dispose]()</h3>
- <p>销毁该区域光源辅助对象.</p>
- <h2>源代码</h2>
- <p>
- [link:https://github.com/mrdoob/three.js/blob/master/examples/jsm/helpers/RectAreaLightHelper.js examples/jsm/helpers/RectAreaLightHelper.js]
- </p>
- </body>
- </html>
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