const AbstractFilter = require('../../core/renderers/webgl/filters/AbstractFilter'); /** * This greyscales the palette of your Display Objects. * * @class * @extends AbstractFilter */ function GrayFilter() { AbstractFilter.call(this, // vertex shader null, // fragment shader require('./gray.frag'), // set the uniforms { gray: { type: '1f', value: 1 }, } ); } GrayFilter.prototype = Object.create(AbstractFilter.prototype); GrayFilter.prototype.constructor = GrayFilter; module.exports = GrayFilter; Object.defineProperties(GrayFilter.prototype, { /** * The strength of the gray. 1 will make the object black and white, 0 will make the object its normal color. * * @member {number} * @memberof filters.GrayFilter# */ gray: { get: function() { return this.uniforms.gray.value; }, set: function(value) { this.uniforms.gray.value = value; }, }, });