runnable fragment
code snippet
uniform float cursor_scale;
uniform vec2 cursor_position;
uniform vec4 bgColor;
precision mediump float;
/*{
"CATEGORIES": [
"Utility"
],
"CREDIT": "VIDVOX",
"DESCRIPTION": "Draws a cursor.",
"INPUTS": [
{
"NAME" : "cursor_scale",
"TYPE" : "float",