runnable fragment
code snippet
uniform sampler2D inputImage;
uniform float xrot;
uniform float yrot;
uniform float zrot;
uniform float zoom;
precision mediump float;
/*{
"DESCRIPTION": "performs a 3d rotation",
"CREDIT": "by zoidberg",
"ISFVSN": "2",
"CATEGORIES": [
"Geometry Adjustment", "Utility"
],
"INPUTS": [