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package server
import "math"
func generateFlat(v *blockVolume) {
v.syncSetAll(func(yield func(blockType) bool) {
var p blockPos
for p.Y = 0; p.Y < v.size.Y / 2; p.Y++ {
for p.X = 0; p.X < v.size.X; p.X++ {
for p.Z = 0; p.Z < v.size.Z; p.Z++ {
var block blockType
if p.Y == 0 {
block = 7
} else if p.Y == v.size.Y/2 - 1 {
block = 2
} else if p.Y > v.size.Y/2 - 15 {
block = 3
} else if p.Y < v.size.Y/2 {
block = 1
}
if !yield(block) {
return
}
}
}
}
})
}
func generateSphere(v *blockVolume) {
v.syncSetAll(func(yield func(blockType) bool) {
var (p blockPos; radius = float64(v.size.X) / 2)
for p.Y = 0; p.Y < v.size.Y; p.Y++ {
for p.X = 0; p.X < v.size.X; p.X++ {
for p.Z = 0; p.Z < v.size.Z; p.Z++ {
var block blockType
dist := math.Sqrt(
float64(v.size.X/2 - p.X)*float64(v.size.X/2 - p.X) +
float64(v.size.Y/2 - p.Y)*float64(v.size.Y/2 - p.Y) +
float64(v.size.Z/2 - p.Z)*float64(v.size.Z/2 - p.Z),
)
if dist > radius - 2 && dist <= radius {
block = 25
}
if !yield(block) {
return
}
}
}
}
})
}
func generateDebug(v *blockVolume) {
v.syncSetAll(func(yield func(blockType) bool) {
for i := 0; i < 256; i++ {
if !yield(blockType(i)) {
return
}
}
})
}
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