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This commit is contained in:
adman
2026-07-05 10:49:45 +02:00
parent a8b090227b
commit eab050e291
5 changed files with 38 additions and 25 deletions
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mc/gen/double.go
+4 -4
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@@ -6,7 +6,7 @@ type DoublePerlin struct {
B Octave
}
func DoublePerlinFromXoroshiro(x Xoroshiro, amplitudes []float64, omin int, lenn int, nmax int) (d DoublePerlin) {
func DoublePerlinFromXoroshiro(x *Xoroshiro, amplitudes []float64, omin int, lenn int, nmax int) (d DoublePerlin) {
na := -1
nb := -1
if nmax > 0 {
@@ -22,9 +22,9 @@ func DoublePerlinFromXoroshiro(x Xoroshiro, amplitudes []float64, omin int, lenn
for i := 0; amplitudes[i] == 0.0; i++ {
lenn--
}
var ampInits = []float64{ // (5 ./ 3) * len / (len + 1), len = 2..16
0, 5 / 6, 10 / 9, 15 / 12, 20 / 15, 25 / 18, 30 / 21, 35 / 24, 40 / 27, 45 / 30,
50 / 33, 55 / 36, 60 / 39, 65 / 42, 70 / 45, 75 / 48, 80 / 51,
var ampInits = []float64{
0, 5. / 6, 10. / 9, 15. / 12, 20. / 15, 25. / 18, 30. / 21, 35. / 24, 40. / 27, 45. / 30,
50. / 33, 55. / 36, 60. / 39, 65. / 42, 70. / 45, 75. / 48, 80. / 51,
}
d.Amplitude = ampInits[lenn]
return