/**
 * @author Mat Groves http://matgroves.com/ @Doormat23
 */



PIXI.CrossHatchFilter = function()
{
	PIXI.AbstractFilter.call( this );
	
	this.passes = [this];
	
	// set the uniforms
	this.uniforms = {
		blur: {type: 'f', 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;
    }
});