cambridge/tetris/randomizers/bag.lua

25 lines
550 B
Lua

local Randomizer = require 'tetris.randomizers.randomizer'
local BagRandomizer = Randomizer:extend()
function BagRandomizer:new(pieces)
self.bag = {}
self.possible_pieces = pieces
self.pieces = pieces
for i = 1, self.pieces do
table.insert(self.bag, i)
end
end
function BagRandomizer:generatePiece()
if next(self.bag) == nil then
for i = 1, self.pieces do
table.insert(self.bag, i)
end
end
local x = math.random(table.getn(self.bag))
return table.remove(self.bag, x)
end
return BagRandomizer