uniform sampler2D startImage;
uniform sampler2D endImage;
uniform float progress;
uniform float b;
uniform float smoothness;
uniform float amplitude;
uniform float a;
precision mediump float;
/*{
    "CATEGORIES": [
        "Distortion"
    ],
    "CREDIT": "Automatically converted from https://www.github.com/gl-transitions/gl-transitions/tree/master/CrazyParametricFun.glsl",
    "DESCRIPTION": "",