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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Plasma-effect/Nim/plasma-effect.nim Normal file
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import math
import imageman
const
Width = 400
Height = 400
var img = initImage[ColorRGBF](Width, Height)
for x in 0..<Width:
for y in 0..<Height:
let fx = float32(x)
let fy = float32(y)
var hue = sin(fx / 16) + sin(fy / 8) + sin((fx + fy) / 16) + sin(sqrt((fx^2 + fy^2)) / 8)
hue = (hue + 4) / 8 # Between 0 and 1.
let rgb = to(ColorHSL([hue * 360, 1, 0.5]), ColorRGBF)
img[x, y] = rgb
img.savePNG("plasma.png")