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feat: hash seed to allow high integer values #3

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Merged
ragoune merged 1 commit into from
Mar 7, 2025
Merged

feat: hash seed to allow high integer values #3

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7 changes: 4 additions & 3 deletions noise.go
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Original file line number Diff line number Diff line change
Expand Up @@ -58,9 +58,10 @@ func grad(hash int, x, y, z float64) float64 {
}

func getNoise(seed int, x, y, z float64) float64 {
x += float64(seed)
y += float64(seed)
z += float64(seed)
hashValue := uint32(seed)*1664525 + 640406589
x += float64(hashValue & 0xFF)
y += float64(hashValue >> 8 & 0xFF)
z += float64(hashValue >> 16 & 0xFF)

X := int(math.Floor(x)) & 255
Y := int(math.Floor(y)) & 255
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