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Match vanilla ore ellipsoid geometry

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This commit is contained in:
Daniar Mannanov 2026-08-11 00:56:53 +03:00
parent b11e6f14cb
commit a23650fc0b
3 changed files with 14 additions and 13 deletions
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23
internal/world/placed_features.go
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@ -106,24 +106,25 @@ func flattenBlockTag(set *worldgen.FeatureSet, tag string, visiting map[string]b
}
func placeOreEllipsoid(c *Chunk, random worldgen.RandomSource, originX, originY, originZ, size int, discard float64, targets []resolvedOreTarget) {
angle := float64(random.NextFloat()) * math.Pi
extent := float64(size) / 8.0
x0 := float64(originX) + math.Sin(angle)*extent
x1 := float64(originX) - math.Sin(angle)*extent
z0 := float64(originZ) + math.Cos(angle)*extent
z1 := float64(originZ) - math.Cos(angle)*extent
angle := random.NextFloat() * float32(math.Pi)
extent := float32(size) / 8.0
x0 := float64(originX) + math.Sin(float64(angle))*float64(extent)
x1 := float64(originX) - math.Sin(float64(angle))*float64(extent)
z0 := float64(originZ) + math.Cos(float64(angle))*float64(extent)
z1 := float64(originZ) - math.Cos(float64(angle))*float64(extent)
y0 := float64(originY + int(random.NextIntN(3)) - 2)
y1 := float64(originY + int(random.NextIntN(3)) - 2)
type sphere struct{ x, y, z, radius float64 }
spheres := make([]sphere, size)
for i := 0; i < size; i++ {
t := float64(i) / float64(size)
radius := (math.Sin(math.Pi*t) + 1.0) * (float64(random.NextDouble())*float64(size)/16.0 + 1.0) / 2.0
t := float32(i) / float32(size)
randomScale := random.NextDouble() * float64(size) / 16.0
radius := ((float64(worldgen.MthSin(float64(float32(math.Pi)*t)))+1.0)*randomScale + 1.0) / 2.0
spheres[i] = sphere{
x: x0 + (x1-x0)*t,
y: y0 + (y1-y0)*t,
z: z0 + (z1-z0)*t,
x: x0 + (x1-x0)*float64(t),
y: y0 + (y1-y0)*float64(t),
z: z0 + (z1-z0)*float64(t),
radius: radius,
}
}