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Add VoxelArea() constructor (#12886)
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@ -8,7 +8,10 @@ VoxelArea = {
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zstride = 0,
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}
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function VoxelArea:new(o)
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local class_metatable = {}
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setmetatable(VoxelArea, class_metatable)
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local function new(self, o)
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o = o or {}
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setmetatable(o, self)
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self.__index = self
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@ -20,6 +23,12 @@ function VoxelArea:new(o)
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return o
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end
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function class_metatable:__call(MinEdge, MaxEdge)
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return new(self, {MinEdge = MinEdge, MaxEdge = MaxEdge})
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end
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VoxelArea.new = new
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function VoxelArea:getExtent()
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local MaxEdge, MinEdge = self.MaxEdge, self.MinEdge
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return vector_new(
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@ -4485,7 +4485,8 @@ Methods
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-----------
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A helper class for voxel areas.
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It can be created via `VoxelArea:new({MinEdge = pmin, MaxEdge = pmax})`.
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It can be created via `VoxelArea(pmin, pmax)` or
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`VoxelArea:new({MinEdge = pmin, MaxEdge = pmax})`.
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The coordinates are *inclusive*, like most other things in Minetest.
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### Methods
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@ -4533,7 +4534,7 @@ the axes in a voxel area:
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If, for example:
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local area = VoxelArea:new({MinEdge = emin, MaxEdge = emax})
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local area = VoxelArea(emin, emax)
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The values of `ystride` and `zstride` can be obtained using `area.ystride` and
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`area.zstride`.
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