mirror of
https://github.com/wassname/phaser.git
synced 2026-06-27 16:10:15 +08:00
101 lines
2.5 KiB
JavaScript
101 lines
2.5 KiB
JavaScript
PIXI.MouseStarFilter = 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 Danguafer (https://www.shadertoy.com/view/XdB3zw)
|
|
this.fragmentSrc = [
|
|
"precision mediump float;",
|
|
"uniform vec3 iResolution;",
|
|
"uniform float iGlobalTime;",
|
|
"uniform float iChannelTime[4];",
|
|
"uniform vec3 iMouse;",
|
|
"uniform vec4 iDate;",
|
|
"uniform vec3 iChannelResolution[4];",
|
|
"uniform sampler2D iChannel0;",
|
|
"// add any extra uniforms here",
|
|
|
|
"#define t iGlobalTime/4.0",
|
|
|
|
"void main(void) {",
|
|
"vec2 p = (2.0*gl_FragCoord.xy-iResolution.xy)/iResolution.y;",
|
|
"vec2 mp = iMouse.xy/iResolution.xy*0.5+0.5;",
|
|
|
|
"float s = 1.0;",
|
|
"for (int i=0; i < 7; i++) {",
|
|
"s = max(s,abs(p.x)-0.375);",
|
|
"p = abs(p*2.25)-mp*1.25;",
|
|
"p *= mat2(cos(t),-sin(t),sin(t),cos(t));",
|
|
"}",
|
|
|
|
"vec3 col = vec3(4.0,2.0,1.0)/abs(atan(p.y,p.x))/s;",
|
|
|
|
"gl_FragColor = vec4(col,1.0);",
|
|
"}"];
|
|
|
|
}
|
|
|
|
PIXI.MouseStarFilter.prototype = Object.create( PIXI.AbstractFilter.prototype );
|
|
PIXI.MouseStarFilter.prototype.constructor = PIXI.MouseStarFilter;
|
|
|
|
Object.defineProperty(PIXI.MouseStarFilter.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/tex00.jpg');
|
|
|
|
}
|
|
|
|
var filter;
|
|
var sprite;
|
|
|
|
function create() {
|
|
|
|
sprite = game.add.sprite(0, 0, 'texture');
|
|
sprite.width = 800;
|
|
sprite.height = 600;
|
|
|
|
filter = new PIXI.MouseStarFilter(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() {
|
|
}
|