Bounds.lua
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			local assertArgs = include "assertArgs"

			local util = include "util"

			local Bounds = lib "class" ("Bounds")

			Bounds:include(mixin "Position")
			Bounds:include(mixin "Dimensions")

			function Bounds:initialize(args)
			assertArgs(args, "x", "y", "z", "width", "height", "depth")
			self:setPosition(args.x, args.y, args.z)
			self:setDimensions(args.width, args.height, args.depth)
			return self
			end

			function Bounds:isWithin(x, y, z)
			local minX, maxX, minY, maxY, minZ, maxZ = self:unpack()
			return (x >= minX and x <= maxX)
			and (y >= minY and y <= maxY)
			and (z >= minZ and z <= maxZ)
			end

			function Bounds:unpack()
			local halfW, halfH, halfD = self:getWidth() / 2, self:getHeight() / 2, self:getDepth() / 2
			return
			self:getX() - halfW, self:getX() + halfW,
			self:getY() - halfH, self:getY() + halfH,
			self:getZ() - halfD, self:getZ() + halfD
			end

			return Bounds

cellulo-lovr/class/Bounds.lua7bc7bcd85032celluloVR