/**
* @author Mat Groves http://matgroves.com/ @Doormat23
*/
PIXI.CrossHatchFilter = function()
{
PIXI.AbstractFilter.call( this );
this.passes = [this];
// set the uniforms
this.uniforms = {
blur: {type: '1f', value: 1/512},
};
this.fragmentSrc = [
"precision mediump float;",
"varying vec2 vTextureCoord;",
"varying float vColor;",
"uniform float blur;",
"uniform sampler2D uSampler;",
"void main(void) {",
" float lum = length(texture2D(uSampler, vTextureCoord.xy).rgb);",
" ",
" gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0);",
" ",
" if (lum < 1.00) {",
" if (mod(gl_FragCoord.x + gl_FragCoord.y, 10.0) == 0.0) {",
" gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0);",
" }",
" }",
" ",
" if (lum < 0.75) {",
" if (mod(gl_FragCoord.x - gl_FragCoord.y, 10.0) == 0.0) {",
" gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0);",
" }",
" }",
" ",
" if (lum < 0.50) {",
" if (mod(gl_FragCoord.x + gl_FragCoord.y - 5.0, 10.0) == 0.0) {",
" gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0);",
" }",
" }",
" ",
" if (lum < 0.3) {",
" if (mod(gl_FragCoord.x - gl_FragCoord.y - 5.0, 10.0) == 0.0) {",
" gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0);",
" }",
" }",
"}"
];
}
PIXI.CrossHatchFilter.prototype = Object.create( PIXI.AbstractFilter.prototype );
PIXI.CrossHatchFilter.prototype.constructor = PIXI.BlurYFilter;
Object.defineProperty(PIXI.CrossHatchFilter.prototype, 'blur', {
get: function() {
return this.uniforms.blur.value / (1/7000);
},
set: function(value) {
//this.padding = value;
this.uniforms.blur.value = (1/7000) * value;
}
});