runnable fragment
code snippet
uniform float fftImage;
uniform float strokeSize;
uniform float gain;
uniform float minRange;
uniform float maxRange;
uniform vec4 topColor;
uniform vec4 bottomColor;
uniform vec4 strokeColor;
precision mediump float;
/*{
"DESCRIPTION": "Visualizes an FFT analysis image with custom set colors for frequency domain",
"CREDIT": "by VIDVOX",
"ISFVSN": "2",
"CATEGORIES": [