mirror of
https://github.com/wassname/phaser.git
synced 2026-06-27 16:10:15 +08:00
photonstorm
155 lines
3.4 KiB
JavaScript
155 lines
3.4 KiB
JavaScript
PIXI.CheckerWaveFilter = 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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resolution: { type: 'f2', value: { x: width, y: height }},
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mouse: { type: 'f2', value: { x: 0, y: 0 }},
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time: { type: 'f', value: 1 }
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};
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// http://glsl.heroku.com/e#12260.0
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// Heroku shader conversion
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this.fragmentSrc = [
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"precision mediump float;",
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"#ifdef GL_ES",
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"precision highp float;",
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"#endif",
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"uniform vec2 resolution;",
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"uniform float time;",
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"//Scene Start",
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"//Floor",
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"vec2 obj0(in vec3 p){",
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"//obj deformation",
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"p.y=p.y+sin(sqrt(p.x*p.x+p.z*p.z)-time*4.0)*0.5;",
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"//plane",
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"return vec2(p.y+3.0,0);",
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"}",
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"//Floor Color (checkerboard)",
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"vec3 obj0_c(in vec3 p){",
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"if (fract(p.x*.5)>.5)",
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"if (fract(p.z*.5)>.5)",
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"return vec3(0,1,1);",
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"else",
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"return vec3(1,1,1);",
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"else",
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"if (fract(p.z*.5)>.5)",
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"return vec3(1,1,1);",
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"else",
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"return vec3(0,1,1);",
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"}",
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"//Scene End",
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"void main(void){",
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"vec2 vPos=-1.0+2.0*gl_FragCoord.xy/resolution.xy;",
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"//Camera animation",
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"vec3 vuv=vec3(0,2,sin(time*0.1));//Change camere up vector here",
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"vec3 prp=vec3(-sin(time*0.6)*8.0,0,cos(time*0.4)*8.0); //Change camera path position here",
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"vec3 vrp=vec3(0,-5,0); //Change camere view here",
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"//Camera setup",
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"vec3 vpn=normalize(vrp-prp);",
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"vec3 u=normalize(cross(vuv,vpn));",
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"vec3 v=cross(vpn,u);",
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"vec3 vcv=(prp+vpn);",
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"vec3 scrCoord=vcv+vPos.x*u*resolution.x/resolution.y+vPos.y*v;",
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"vec3 scp=normalize(scrCoord-prp);",
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"//Raymarching",
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"const vec3 e=vec3(0.1,0,0);",
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"const float maxd=80.0; //Max depth",
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"vec2 s=vec2(0.1,0.0);",
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"vec3 c,p,n;",
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"float f=1.0;",
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"for(int i=0;i<156;i++){",
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"if (abs(s.x)<.01||f>maxd) break;",
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"f+=s.x;",
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"p=prp+scp*f;",
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"s=obj0(p);",
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"}",
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"if (f<maxd){",
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"if (s.y==0.0)",
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"c=obj0_c(p);",
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"n=normalize(",
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"vec3(s.x-obj0(p-e.xyy).x,",
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"s.x-obj0(p-e.yxy).x,",
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"s.x-obj0(p-e.yyx).x));",
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"float b=dot(n,normalize(prp-p));",
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"gl_FragColor=vec4((b*c+pow(b,8.0))*(1.0-f*.02),1.0);//simple phong LightPosition=CameraPosition",
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"}",
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"else gl_FragColor=vec4(0,0,0.1,1); //background color",
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"}"];
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}
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PIXI.CheckerWaveFilter.prototype = Object.create( PIXI.AbstractFilter.prototype );
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PIXI.CheckerWaveFilter.prototype.constructor = PIXI.CheckerWaveFilter;
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Object.defineProperty(PIXI.CheckerWaveFilter.prototype, 'iGlobalTime', {
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get: function() {
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return this.uniforms.time.value;
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},
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set: function(value) {
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this.uniforms.time.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.CheckerWaveFilter(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.mouse.value.x = game.input.x;
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filter.uniforms.mouse.value.y = game.input.y;
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}
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function render() {
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}
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