Code coverage report for src/pixi/filters/BlurYFilter.js

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All files » src/pixi/filters\ » BlurYFilter.js
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/**
 * @author Mat Groves http://matgroves.com/ @Doormat23
 */
 
PIXI.BlurYFilter = 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 vec4 vColor;',
        'uniform float blur;',
        'uniform sampler2D uSampler;',
 
        'void main(void) {',
        '   vec4 sum = vec4(0.0);',
 
        '   sum += texture2D(uSampler, vec2(vTextureCoord.x, vTextureCoord.y - 4.0*blur)) * 0.05;',
        '   sum += texture2D(uSampler, vec2(vTextureCoord.x, vTextureCoord.y - 3.0*blur)) * 0.09;',
        '   sum += texture2D(uSampler, vec2(vTextureCoord.x, vTextureCoord.y - 2.0*blur)) * 0.12;',
        '   sum += texture2D(uSampler, vec2(vTextureCoord.x, vTextureCoord.y - blur)) * 0.15;',
        '   sum += texture2D(uSampler, vec2(vTextureCoord.x, vTextureCoord.y)) * 0.16;',
        '   sum += texture2D(uSampler, vec2(vTextureCoord.x, vTextureCoord.y + blur)) * 0.15;',
        '   sum += texture2D(uSampler, vec2(vTextureCoord.x, vTextureCoord.y + 2.0*blur)) * 0.12;',
        '   sum += texture2D(uSampler, vec2(vTextureCoord.x, vTextureCoord.y + 3.0*blur)) * 0.09;',
        '   sum += texture2D(uSampler, vec2(vTextureCoord.x, vTextureCoord.y + 4.0*blur)) * 0.05;',
 
        '   gl_FragColor = sum;',
        '}'
    ];
};
 
PIXI.BlurYFilter.prototype = Object.create( PIXI.AbstractFilter.prototype );
PIXI.BlurYFilter.prototype.constructor = PIXI.BlurYFilter;
 
Object.defineProperty(PIXI.BlurYFilter.prototype, 'blur', {
    get: function() {
        return this.uniforms.blur.value / (1/7000);
    },
    set: function(value) {
        //this.padding = value;
        this.uniforms.blur.value = (1/7000) * value;
    }
});