func (r *Regions) GetCell(ix, iy, iz int) int {
size := Mesh().Size()
i := data.Index(size, ix, iy, iz)
return int(r.gpuCache.Get(i))
}
func DefRegionCell(id int, x, y, z int) {
defRegionId(id)
index := data.Index(Mesh().Size(), x, y, z)
regions.gpuCache.Set(index, byte(id))
}
// Set the region of one cell
func (r *Regions) SetCell(ix, iy, iz int, region int) {
size := Mesh().Size()
i := data.Index(size, ix, iy, iz)
r.gpuCache.Set(i, byte(region))
}