41 lines
1014 B
JavaScript
41 lines
1014 B
JavaScript
import { UniformsLib } from 'three';
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import { RectAreaLightTexturesLib } from './RectAreaLightTexturesLib.js';
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/**
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* This class is only relevant when using {@link RectAreaLight} with {@link WebGLRenderer}.
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*
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* Before rect area lights can be used, the internal uniform library of the renderer must be
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* enhanced with the following code.
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*
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* ```js
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* RectAreaLightUniformsLib.init();
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* ```
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*
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* @hideconstructor
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* @three_import import { RectAreaLightUniformsLib } from 'three/addons/lights/RectAreaLightUniformsLib.js';
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*/
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class RectAreaLightUniformsLib {
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/**
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* Inits the uniform library required when using rect area lights.
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*/
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static init() {
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RectAreaLightTexturesLib.init();
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const { LTC_FLOAT_1, LTC_FLOAT_2, LTC_HALF_1, LTC_HALF_2 } = RectAreaLightTexturesLib;
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// data textures
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UniformsLib.LTC_FLOAT_1 = LTC_FLOAT_1;
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UniformsLib.LTC_FLOAT_2 = LTC_FLOAT_2;
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UniformsLib.LTC_HALF_1 = LTC_HALF_1;
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UniformsLib.LTC_HALF_2 = LTC_HALF_2;
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}
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}
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export { RectAreaLightUniformsLib };
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