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VoxelArea = {
MinEdge = {x=1, y=1, z=1},
MaxEdge = {x=0, y=0, z=0},
ystride = 0,
zstride = 0,
}
function VoxelArea:new(o)
o = o or {}
setmetatable(o, self)
self.__index = self
local e = o:getExtent()
o.ystride = e.x
o.zstride = e.x * e.y
return o
end
function VoxelArea:getExtent()
local MaxEdge, MinEdge = self.MaxEdge, self.MinEdge
return {
x = MaxEdge.x - MinEdge.x + 1,
y = MaxEdge.y - MinEdge.y + 1,
z = MaxEdge.z - MinEdge.z + 1,
}
end
function VoxelArea:getVolume()
local e = self:getExtent()
return e.x * e.y * e.z
end
function VoxelArea:index(x, y, z)
local MinEdge = self.MinEdge
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