runnable fragment
code snippet
uniform sampler2D startImage;
uniform sampler2D endImage;
uniform float progress;
uniform float bounces;
uniform float shadow_height;
uniform vec4 shadow_colour;
precision mediump float;
/*{
"CATEGORIES": [
"Wipe"
],
"CREDIT": "Automatically converted from https://www.github.com/gl-transitions/gl-transitions/tree/master/Bounce.glsl",
"DESCRIPTION": "",
"INPUTS": [