Accueil / npm / three@0.186.1 / examples / jsm / lights / RectAreaLightUniformsLib.js
RectAreaLightUniformsLib.js
import { UniformsLib } from 'three';
import { RectAreaLightTexturesLib } from './RectAreaLightTexturesLib.js';
/**
* This class is only relevant when using {@link RectAreaLight} with {@link WebGLRenderer}.
*
* Before rect area lights can be used, the internal uniform library of the renderer must be
* enhanced with the following code.
*
* ```js
* RectAreaLightUniformsLib.init();
* ```
*
* @hideconstructor
* @three_import import { RectAreaLightUniformsLib } from 'three/addons/lights/RectAreaLightUniformsLib.js';
*/
class RectAreaLightUniformsLib {
/**
* Inits the uniform library required when using rect area lights.
*/
static init() {
RectAreaLightTexturesLib.init();
const { LTC_FLOAT_1, LTC_FLOAT_2, LTC_HALF_1, LTC_HALF_2 } = RectAreaLightTexturesLib;
// data textures
UniformsLib.LTC_FLOAT_1 = LTC_FLOAT_1;
UniformsLib.LTC_FLOAT_2 = LTC_FLOAT_2;
UniformsLib.LTC_HALF_1 = LTC_HALF_1;
UniformsLib.LTC_HALF_2 = LTC_HALF_2;
}
}
export { RectAreaLightUniformsLib };