-- ScreenSize -> WorldSize

function ScreenSpace.ScreenWidthToWorldWidth(screenWidth, depth)	
	local aspectRatio = ScreenSpace.AspectRatio()
	local hfactor = math.tan(math.rad(Workspace.CurrentCamera.FieldOfView)/2)
	local wfactor = aspectRatio*hfactor
	local sx = ScreenSpace.ViewSizeX()
	--
	return -(screenWidth / sx) * 2 * wfactor * depth
end
function ScreenSpace.ScreenHeightToWorldHeight(screenHeight, depth)
	local hfactor = math.tan(math.rad(Workspace.CurrentCamera.FieldOfView)/2)
	local sy = ScreenSpace.ViewSizeY()
	--
	return -(screenHeight / sy) * 2 * hfactor * depth
end
