PIXI.RotoZoomerFilter = 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: 'nearest-repeat' } }; // Shader by triggerHLM (https://www.shadertoy.com/view/lsfGDH) this.fragmentSrc = [ "precision mediump float;", "uniform vec3 iResolution;", "uniform float iGlobalTime;", "uniform float iChannelTime[4];", "uniform vec4 iMouse;", "uniform vec4 iDate;", "uniform vec3 iChannelResolution[4];", "uniform sampler2D iChannel0;", "// add any extra uniforms here", "float time=iGlobalTime*0.2;", "float pi = 3.14159265;", "void main( void )", "{", "vec2 position = vec2(640.0/2.0+640.0/2.0*sin(time*2.0), 360.0/2.0+360.0/2.0*cos(time*3.0));", "vec2 position2 = vec2(640.0/2.0+640.0/2.0*sin((time+2000.0)*2.0), 360.0/2.0+360.0/2.0*cos((time+2000.0)*3.0));", "vec2 offset = vec2(640.0/2.0, 360.0/2.0) ;", "vec2 offset2 = vec2(6.0*sin(time*1.1), 3.0*cos(time*1.1));", "vec2 oldPos = (gl_FragCoord.xy-offset);", "float angle = time*2.0;", "vec2 newPos = vec2(oldPos.x *cos(angle) - oldPos.y *sin(angle),", "oldPos.y *cos(angle) + oldPos.x *sin(angle));", "newPos = (newPos)*(0.0044+0.004*sin(time*3.0))-offset2;", "vec2 temp = newPos;", "newPos.x = temp.x + 0.4*sin(temp.y*2.0+time*8.0);", "newPos.y = (-temp.y + 0.4*sin(temp.x*2.0+time*8.0));", "vec4 final = texture2D(iChannel0,newPos);", "//final = texture2D(texCol,gl_FragCoord.xy*vec2(1.0/640, -1.0/360));", "gl_FragColor = vec4(final.xyz, 1.0);", "}"]; } PIXI.RotoZoomerFilter.prototype = Object.create( PIXI.AbstractFilter.prototype ); PIXI.RotoZoomerFilter.prototype.constructor = PIXI.RotoZoomerFilter; Object.defineProperty(PIXI.RotoZoomerFilter.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/tex15.png'); } var filter; var sprite; function create() { sprite = game.add.sprite(0, 0, 'texture'); sprite.width = 800; sprite.height = 600; filter = new PIXI.RotoZoomerFilter(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() { }