mirror of
https://github.com/wassname/phaser.git
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photonstorm
126 lines
3.1 KiB
JavaScript
126 lines
3.1 KiB
JavaScript
PIXI.BinarySerpentsFilter = function(width, height, texture)
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{
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PIXI.AbstractFilter.call( this );
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this.passes = [this];
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var d = new Date();
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var dates = [
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d.getFullYear(), // the year (four digits)
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d.getMonth(), // the month (from 0-11)
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d.getDate(), // the day of the month (from 1-31)
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d.getHours()*60.0*60 + d.getMinutes()*60 + d.getSeconds()
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];
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this.uniforms = {
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iResolution: { type: '3f', value: { x: width, y: height, z: 0 }},
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iMouse: { type: '3f', value: { x: 0, y: 0, z: 0 }},
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iGlobalTime: { type: '1f', value: 1 },
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iDate: { type: '4fv', value: dates },
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iChannel0: { type: 'sampler2D', value: texture, wrap: 'repeat' }
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};
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this.fragmentSrc = [
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"#ifdef GL_ES",
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"precision mediump float;",
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"#endif",
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"//Ashok Gowtham M",
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"//UnderWater Caustic lights",
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"uniform float time;",
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"uniform vec2 mouse;",
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"uniform vec2 resolution;",
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"//normalized sin",
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"float sinn(float x)",
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"{",
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"return sin(x)/2.+.001;",
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"}",
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"float CausticPatternFn(vec2 pos)",
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"{",
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"return (sin(pos.x*40.+time)",
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"+pow(sin(-pos.x*130.+time),1.)",
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"+pow(sin(pos.x*30.+time),2.)",
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"+pow(sin(pos.x*50.+time),2.)",
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"+pow(sin(pos.x*80.+time),2.)",
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"+pow(sin(pos.x*90.+time),2.)",
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"+pow(sin(pos.x*12.+time),2.)",
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"+pow(sin(pos.x*6.+time),2.)",
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"+pow(sin(-pos.x*13.+time),5.))/2.;",
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"}",
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"vec2 CausticDistortDomainFn(vec2 pos)",
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"{",
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"pos.x*=(pos.y*0.60+1.);",
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"pos.x*=1.+sin(time/2.)/10.;",
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"return pos;",
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"}",
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"void main( void )",
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"{",
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"vec2 pos = gl_FragCoord.xy/resolution;",
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"pos-=.5;",
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"vec2 CausticDistortedDomain = CausticDistortDomainFn(pos);",
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"float CausticShape = clamp(7.-length(CausticDistortedDomain.x*20.),0.,1.);",
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"float CausticPattern = CausticPatternFn(CausticDistortedDomain);",
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"float CausticOnFloor = CausticPatternFn(pos)+sin(pos.y*100.)*clamp(2.-length(pos*2.),0.,1.);",
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"float Caustic;",
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"Caustic += CausticShape*CausticPattern;",
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"Caustic *= (pos.y+.5)/4.;",
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"//Caustic += CausticOnFloor;",
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"float f = length(pos+vec2(-.5,.5))*length(pos+vec2(.5,.5))*(1.+Caustic)/1.;",
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"gl_FragColor = vec4(.1,.5,.6,1)*(f);",
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"}"];
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}
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PIXI.BinarySerpentsFilter.prototype = Object.create( PIXI.AbstractFilter.prototype );
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PIXI.BinarySerpentsFilter.prototype.constructor = PIXI.BinarySerpentsFilter;
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Object.defineProperty(PIXI.BinarySerpentsFilter.prototype, 'iGlobalTime', {
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get: function() {
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return this.uniforms.iGlobalTime.value;
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},
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set: function(value) {
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this.uniforms.iGlobalTime.value = value;
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}
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});
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var game = new Phaser.Game(800, 600, Phaser.AUTO, 'phaser-example', { preload: preload, create: create, update: update, render: render });
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function preload() {
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game.load.image('texture', 'wip/tex01.jpg');
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}
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var filter;
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var sprite;
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function create() {
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sprite = game.add.sprite(0, 0, 'texture');
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sprite.width = 800;
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sprite.height = 600;
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filter = new PIXI.BinarySerpentsFilter(sprite.width, sprite.height, sprite.texture);
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sprite.filters = [filter];
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}
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function update() {
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filter.iGlobalTime = game.time.totalElapsedSeconds();
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filter.uniforms.iMouse.value.x = game.input.x;
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filter.uniforms.iMouse.value.y = game.input.y;
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}
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function render() {
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}
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