PIXI.MouseStarFilter = function(width, height, texture) { PIXI.AbstractFilter.call( this ); this.passes = [this]; var d = new Date(); var dates = [ d.getFullYear(), // the year (four digits) d.getMonth(), // the month (from 0-11) d.getDate(), // the day of the month (from 1-31) d.getHours()*60.0*60 + d.getMinutes()*60 + d.getSeconds() ]; this.uniforms = { iResolution: { type: 'f3', value: { x: width, y: height, z: 0 }}, iMouse: { type: 'f3', value: { x: 0, y: 0, z: 0 }}, iGlobalTime: { type: 'f', value: 1 }, iDate: { type: 'f4', value: dates }, iChannel0: { type: 'sampler2D', value: texture, wrap: 'repeat' } }; // Shader by Danguafer (https://www.shadertoy.com/view/XdB3zw) this.fragmentSrc = [ "precision mediump float;", "uniform vec3 iResolution;", "uniform float iGlobalTime;", "uniform float iChannelTime[4];", "uniform vec3 iMouse;", "uniform vec4 iDate;", "uniform vec3 iChannelResolution[4];", "uniform sampler2D iChannel0;", "// add any extra uniforms here", "#define t iGlobalTime/4.0", "void main(void) {", "vec2 p = (2.0*gl_FragCoord.xy-iResolution.xy)/iResolution.y;", "vec2 mp = iMouse.xy/iResolution.xy*0.5+0.5;", "float s = 1.0;", "for (int i=0; i < 7; i++) {", "s = max(s,abs(p.x)-0.375);", "p = abs(p*2.25)-mp*1.25;", "p *= mat2(cos(t),-sin(t),sin(t),cos(t));", "}", "vec3 col = vec3(4.0,2.0,1.0)/abs(atan(p.y,p.x))/s;", "gl_FragColor = vec4(col,1.0);", "}"]; } PIXI.MouseStarFilter.prototype = Object.create( PIXI.AbstractFilter.prototype ); PIXI.MouseStarFilter.prototype.constructor = PIXI.MouseStarFilter; Object.defineProperty(PIXI.MouseStarFilter.prototype, 'iGlobalTime', { get: function() { return this.uniforms.iGlobalTime.value; }, set: function(value) { this.uniforms.iGlobalTime.value = value; } }); var game = new Phaser.Game(800, 600, Phaser.AUTO, 'phaser-example', { preload: preload, create: create, update: update, render: render }); function preload() { game.load.image('texture', 'wip/tex00.jpg'); } var filter; var sprite; function create() { sprite = game.add.sprite(0, 0, 'texture'); sprite.width = 800; sprite.height = 600; filter = new PIXI.MouseStarFilter(sprite.width, sprite.height, sprite.texture); sprite.filters = [filter]; } function update() { filter.iGlobalTime = game.time.totalElapsedSeconds(); filter.uniforms.iMouse.value.x = game.input.x; filter.uniforms.iMouse.value.y = game.input.y; } function render() { }