gamnit :: GamnitDisplay :: aspect_ratio
width / height
	# With stereoscopic view, the aspect ratio (in each eye) is half of the screen
	redef fun aspect_ratio do return super / 2.0
					lib/gamnit/depth/stereoscopic_view.nit:59,2--60,45
				
	redef var aspect_ratio = super is lazy
					lib/gamnit/gamnit_linux.nit:60,2--39