runnable fragment
code snippet
uniform float Speed;
uniform float Direction;
uniform int Negative;
precision mediump float;
/*{
"CATEGORIES": [
"Automatically Converted",
"Shadertoy"
],
"CREDIT": "",
"DESCRIPTION": "Automatically converted from https://www.shadertoy.com/view/MtcGD7 by CaliCoastReplay. A big thank you to \tFabriceNeyret2 who told me how to achieve this more vivid look! Positively conflagarative! Try it in fire rain config!\n\nRemix 1 here: https://www.shadertoy.com/view/llc3DM\nOriginal here: \nhttps://www.shadertoy.com/view/XsXXRN",
"IMPORTED": {
},
"INPUTS": [