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comparison old_tests/test_noise.nim @ 1203:6360c8d17ce0 compiletime-tests

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did: preprations to add rendering tests
author sam <sam@basx.dev>
date Mon, 15 Jul 2024 20:06:42 +0700
parents tests/test_noise.nim@114f395b9144
children
comparison
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1202:a8864fe6fe6e 1203:6360c8d17ce0
1 import semicongine
2
3 const w = 500
4 const h = 500
5
6 var o = "P2\n" & $ w & " " & $ h & "\n255\n"
7
8 for y in 0 ..< h:
9 for x in 0 ..< w:
10 let v = (
11 Perlin(NewVec2f(float(x) * 0.01, float(y) * 0.01)) * 0.7 +
12 Perlin(NewVec2f(float(x) * 0.05, float(y) * 0.05)) * 0.25 +
13 Perlin(NewVec2f(float(x) * 0.2, float(y) * 0.2)) * 0.05
14 )
15 o = o & $(int((v * 0.5 + 0.5) * 255)) & " "
16 o = o & "\n"
17 echo o