NES Randomizer

tetris/randomizers/nes.lua

@@ -0,0 +1,19 @@
+local Randomizer = require 'tetris.randomizers.randomizer'
+
+local NES = Randomizer:extend()
+
+function NES:initialize()
+	self.history = 0
+	self.shapes = {"I", "J", "L", "O", "S", "T", "Z"}
+end
+
+function NES:generatePiece()
+	local x = math.random(8)
+	if x == 8 or x == self.history then
+		x = math.random(7)
+	end
+	self.history = x
+	return self.shapes[x]
+end
+
+return NES