runnable fragment
code snippet
uniform sampler2D inputImage;
uniform float imageScale;
uniform float radiusScale;
uniform vec2 pointInput;
precision mediump float;
/*{
"CATEGORIES": [
"Distortion Effect"
],
"CREDIT": "VIDVOX",
"DESCRIPTION": "Maps video onto a sphere",
"INPUTS": [
{
"NAME": "inputImage",