pico8-0hh1/states/rules.lua

function stateRules()

	local fade = split"0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,4,9,10,9,4,2"
	local color = 1

	function blink(x,y,w,h)
		rect2(x,y,w,h,fade[color])
	end


	return {
		_update=function()
			if frameCount%8==0 then
				color += 1
			end
			if color>#fade then
				color = 1
			end
		end,

		_draw=function()
			print("1) yOU CAN'T HAVE MORE THAN\n   TWO (2) CONSECUTIVE TILES\n   OF THE SAME COLOR", 2,2, 7)
			local x = 14
			local y = 28
			sspr(0,32, 12,12, x,y)
			spr(2, x+14, y+1)
			sspr(13,32, 12,12, x+26,y)
			blink(x-1, y-1, 9, 3)
			blink(x+25, y-1, 9, 3)
			blink(x-1, y+8, 12, 3)
			blink(x+25, y+8, 12, 3)

			x = 75
			sspr(26,32, 12,12, x,y)
			spr(2, x+14, y+1)
			sspr(39,32, 12,12, x+26,y)
			blink(x+5, y+2, 3, 9)
			blink(x+31, y+2, 3, 9)


			--------------

			x = 44
			y = 50
			print("2) eACH LINE CONTAINS AN EQUAL\n   NUMBER OF EACH COLOR", 2, y, 7)
			sspr(52,32, 12,12, x,y+20)
			spr(2, x+14, y+21)
			sspr(65,32, 12,12, x+26,y+20)
			blink(x+5, y+22, 6, 3)
			blink(x+31, y+22, 6, 3)
			blink(x-1, y+19, 3, 6)
			blink(x+25, y+19, 3, 6)

			--------------

			x = 44
			y = 90
			print("3) aLL ROWS AND COLUMNS\n   ARE DIFFERENT", 2, y, 7)
			sspr(78,32, 12,12, x,y+20)
			spr(2, x+14, y+21)
			sspr(91,32, 12,12, x+26,y+20)
			blink(x-1, y+25, 12, 6)
			blink(x+25, y+25, 12, 6)
		end,
	}
end