#https://www.shadertoy.com/view/4dSXWt

pixels = W:1024 H:1024

u = from 0 to 4 W
v = from 1 to 0 H

x = 0.5
f = 0.0

[Loop Start: 128
x = u*x*(1.0-x)
f = f + 0.1*exp(-200000.0*(v-x)*(v-x))
Loop End]

r = 1 - f
g = r
b = r
	


