uniform sampler2D startImage;
uniform sampler2D endImage;
uniform float progress;
uniform float reflection;
uniform float persp;
uniform float unzoom;
uniform float floating;
precision mediump float;
/*{
    "CATEGORIES": [
        "Wipe",
        "Distortion"
    ],
    "CREDIT": "Automatically converted from https://www.github.com/gl-transitions/gl-transitions/tree/master/cube.glsl",