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https://github.com/wassname/phaser.git
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photonstorm
101 lines
2.4 KiB
JavaScript
101 lines
2.4 KiB
JavaScript
PIXI.PlasmaFilter = function(width, height)
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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: 'f3', value: { x: width, y: height, z: 0 }},
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iGlobalTime: { type: 'f', value: 1 },
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iDate: { type: 'f4', value: dates }
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};
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// Shader by TriggerHLM (https://www.shadertoy.com/view/MdXGDH)
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this.fragmentSrc = [
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"precision mediump float;",
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"uniform vec3 iResolution;",
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"uniform float iGlobalTime;",
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"uniform float iChannelTime[4];",
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"uniform vec4 iMouse;",
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"uniform vec4 iDate;",
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"uniform vec3 iChannelResolution[4];",
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"// add any extra uniforms here",
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"const float PI = 3.14159265;",
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"float time = iGlobalTime *0.2;",
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"void main(void ) {",
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"float color1, color2, color;",
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"color1 = (sin(dot(gl_FragCoord.xy,vec2(sin(time*3.0),cos(time*3.0)))*0.02+time*3.0)+1.0)/2.0;",
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"vec2 center = vec2(640.0/2.0, 360.0/2.0) + vec2(640.0/2.0*sin(-time*3.0),360.0/2.0*cos(-time*3.0));",
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"color2 = (cos(length(gl_FragCoord.xy - center)*0.03)+1.0)/2.0;",
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"color = (color1+ color2)/2.0;",
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"float red = (cos(PI*color/0.5+time*3.0)+1.0)/2.0;",
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"float green = (sin(PI*color/0.5+time*3.0)+1.0)/2.0;",
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"float blue = (sin(+time*3.0)+1.0)/2.0;",
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"gl_FragColor = vec4(red, green, blue, 1.0);",
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"}"
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];
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}
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PIXI.PlasmaFilter.prototype = Object.create( PIXI.AbstractFilter.prototype );
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PIXI.PlasmaFilter.prototype.constructor = PIXI.PlasmaFilter;
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Object.defineProperty(PIXI.PlasmaFilter.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 });
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function preload() {
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game.load.image('texture', 'wip/64x64.png');
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}
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var plasma;
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var container;
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function create() {
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game.stage.backgroundColor = '#000000';
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container = game.add.sprite(0, 0, 'texture');
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container.width = 800;
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container.height = 600;
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plasma = new PIXI.PlasmaFilter(container.width, container.height);
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container.filters = [plasma];
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}
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function update() {
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plasma.iGlobalTime = game.time.totalElapsedSeconds();
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}
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