Create a Cuboid mesh with the dimension of self

Does not use the position of self, but it can be given to an Actor.

Property definitions

gamnit :: more_meshes $ Boxed3d :: to_mesh
	# Create a `Cuboid` mesh with the dimension of `self`
	#
	# Does not use the position of `self`, but it can be given to an `Actor`.
	fun to_mesh: Cuboid
	do
		var width = right.to_f-left.to_f
		var height = top.to_f-bottom.to_f
		var depth = front.to_f-back.to_f
		return new Cuboid(width, height, depth)
	end
lib/gamnit/depth/more_meshes.nit:164,2--173,4