mirror of
https://github.com/wassname/phaser.git
synced 2026-06-27 16:10:15 +08:00
photonstorm
124 lines
3.2 KiB
JavaScript
124 lines
3.2 KiB
JavaScript
PIXI.PulsingInterferenceFilter = 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 knatten (https://www.shadertoy.com/view/lssGR8)
|
|
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 PI = 3.14159265358979323846264;",
|
|
|
|
"vec2 warp(in vec2 xy)",
|
|
"{",
|
|
"float amount = 0.3*pow(sin(iGlobalTime*2.0), 20.0);",
|
|
"return vec2(xy.x + sin(xy.x*10.0)*amount*sin(iGlobalTime),",
|
|
"xy.y + cos(xy.y*10.0)*amount*sin(iGlobalTime));",
|
|
"}",
|
|
|
|
"float distance(in vec2 uv, in float x, in float y)",
|
|
"{",
|
|
"return sqrt(pow(abs(uv.x - x), 2.0) + pow(abs(uv.y - y), 2.0));",
|
|
"}",
|
|
|
|
"void main(void)",
|
|
"{",
|
|
"vec2 uv = gl_FragCoord.xy / iResolution.xy;",
|
|
"uv = warp(uv);",
|
|
|
|
"float x_1 = sin(iGlobalTime*1.5);",
|
|
"float y_1 = cos(iGlobalTime);",
|
|
"float x_2 = cos(iGlobalTime);",
|
|
"float y_2 = sin(iGlobalTime);",
|
|
|
|
"float dist_1 = distance(uv, x_1, y_1);",
|
|
"float dist_2 = distance(uv, x_2, y_2);",
|
|
|
|
"float t = sin(iGlobalTime);//mod(iGlobalTime*100.0, 100.0)/100.0;",
|
|
"float c1 = sin(dist_1*50.0) * sin(dist_2*50.0);",
|
|
"float red = c1*t;",
|
|
"float blue = sin(dist_1*50.0) * sin(dist_1*150.0);",
|
|
"float green = c1*(1.0-t);",
|
|
"vec3 color = vec3(red, green, blue);",
|
|
|
|
"vec3 flash = vec3(pow(sin(iGlobalTime*2.0),20.0));",
|
|
"color += flash;",
|
|
"gl_FragColor = vec4(color, 1.0);",
|
|
"}"];
|
|
|
|
|
|
|
|
}
|
|
|
|
PIXI.PulsingInterferenceFilter.prototype = Object.create( PIXI.AbstractFilter.prototype );
|
|
PIXI.PulsingInterferenceFilter.prototype.constructor = PIXI.PulsingInterferenceFilter;
|
|
|
|
Object.defineProperty(PIXI.PulsingInterferenceFilter.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/tex01.jpg');
|
|
|
|
}
|
|
|
|
var filter;
|
|
var sprite;
|
|
|
|
function create() {
|
|
|
|
sprite = game.add.sprite(0, 0, 'texture');
|
|
sprite.width = 800;
|
|
sprite.height = 600;
|
|
|
|
filter = new PIXI.PulsingInterferenceFilter(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() {
|
|
}
|