all files / src/light/ AmbientSH.js

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import Light from '../Light';
import vendor from '../core/vendor';
 
/**
 * Spherical Harmonic Ambient Light
 * @constructor clay.light.AmbientSH
 * @extends clay.Light
 */
var AmbientSHLight = Light.extend({
 
    castShadow: false,
 
    /**
     * Spherical Harmonic Coefficients
     * @type {Array.<number>}
     * @memberOf clay.light.AmbientSH#
     */
    coefficients: [],
 
}, function () {
    this._coefficientsTmpArr = new vendor.Float32Array(9 * 3);
}, {
 
    type: 'AMBIENT_SH_LIGHT',
 
    uniformTemplates: {
        ambientSHLightColor: {
            type: '3f',
            value: function (instance) {
                var color = instance.color;
                var intensity = instance.intensity;
                return [color[0] * intensity, color[1] * intensity, color[2] * intensity];
            }
        },
 
        ambientSHLightCoefficients: {
            type: '3f',
            value: function (instance) {
                var coefficientsTmpArr = instance._coefficientsTmpArr;
                for (var i = 0; i < instance.coefficients.length; i++) {
                    coefficientsTmpArr[i] = instance.coefficients[i];
                }
                return coefficientsTmpArr;
            }
        }
    }
    /**
     * @function
     * @name clone
     * @return {clay.light.Ambient}
     * @memberOf clay.light.Ambient.prototype
     */
});
 
export default AmbientSHLight;