 			charOriginal = @original.getAt i, j
 			charNow = @playfield.getAt i, j
 			@con2d.fillStyle = if charNow == charOriginal
-					COLORS.BACKGROUND
+					colors.background
 				else
-					COLORS.ALTERED
+					colors.altered
 
 			@con2d.fillRect(
 				i * @cellSize


	@hitRegions = []
	@_setupHitRegions()
	@arrowImages = getArrowImages @cellSize / 3, COLORS
	@draw()
	return


	@con2d.save()
	@con2d.translate 0.5, 0.5

	@con2d.strokeStyle = colors.grid
	@con2d.beginPath()
	for i in [1...@playfield.width]
		@con2d.moveTo i * @cellSize, 0
