uniform sampler2D inputImage;
uniform float amount;
uniform float falloff;
uniform float balance;
uniform vec2 center;
uniform int direction;
precision mediump float;
/*{
    "CATEGORIES": [
        "Color Effect",
        "Distortion"
    ],
    "CREDIT": "by VIDVOX",
    "DESCRIPTION": "Radial lens-style chromatic aberration: red and blue channels are displaced along the line from a chromatic center.",