import turtle import random import time class Block(turtle.Turtle): # A single turtle to be added or deleted def __init__(self): super().__init__() self.penup() self.ht() self.shape('square') self.shapesize(4, 4, 8) def show_block(self,pos,val): self.goto(pos) self.color('Cornsilk') self.stamp() self.color('Black') self.text_val = val self.write('{}'.format(self.text_val),align='center',font = 30) class Game(turtle.Turtle): def __init__(self): super().__init__() self.penup() self.ht() self.shape('square') self.shapesize(4, 4, 8) self.all_pos = [(-150+100*i,50-100*j) for i in range(4) for j in range(4)] self.avail_pos_idx = [i for i in range(len(self.all_pos))] # index of all_pos self.block_pos_idx = [] # index of all_pos, for shown blocks self.block = [] # a list of shown blocks turtles self.show_background() self.emerge_block() self.max_score = 2 # init as 2, increase by merging def show_background(self): for pos in self.all_pos: self.goto(pos) self.color('Moccasin') self.stamp() def add_block(self,pos_idx,text_val): temp_block = Block() temp_block.show_block(self.all_pos[pos_idx],text_val) self.block.append(temp_block) self.block_pos_idx.append(pos_idx) self.avail_pos_idx.remove(pos_idx) def remove_block(self, pos_idx): ##pos_idx = self.all_pos.index(pos) temp_block = self.block[self.block_pos_idx.index(pos_idx)] temp_block.clear() self.avail_pos_idx.append(pos_idx) self.block_pos_idx.remove(pos_idx) self.block.remove(temp_block) def move_block(self,from_pos_idx,to_pos_idx): # A single move with 3 possible reaults from_text_val = self.block[self.block_pos_idx.index(from_pos_idx)].text_val return_val = 1 # move but not merge if to_pos_idx in self.avail_pos_idx: to_text_val = from_text_val else: temp_text_val = self.block[self.block_pos_idx.index(to_pos_idx)].text_val if temp_text_val != from_text_val: to_text_val = -1 return 0 # cannot move else: to_text_val = from_text_val + temp_text_val self.remove_block(to_pos_idx) return_val = 2 # merge self.remove_block(from_pos_idx) self.add_block(to_pos_idx,to_text_val) self.max_score = max(self.max_score,to_text_val) return return_val def emerge_block(self): # Random new block text_val = 2 pos_idx = random.choice(self.avail_pos_idx) self.add_block(pos_idx,text_val) return 1 def to_direction(self, direction): # An act, see notes ordered_pos_idx = [i for i in self.block_pos_idx] if direction in ['Up','Left']: ordered_pos_idx.sort() update_sig = -1 elif direction in ['Down','Right']: ordered_pos_idx.sort(reverse = True) update_sig = 1 for temp_idx in ordered_pos_idx: if direction in ['Up','Down']: min_E = (temp_idx // 4 ) * 4 max_E = (temp_idx // 4 ) * 4 +3 update_scale = update_sig * 1 elif direction in ['Left','Right']: min_E = 0 max_E = 15 update_scale = update_sig * 4 can_move = 1 temp_to_idx = temp_idx + update_scale temp_from_idx = temp_idx while ( (temp_to_idx >= min_E) & (temp_to_idx <= max_E) & (can_move == 1) ): # 1. within (min_E,max_E) can_move = self.move_block(temp_from_idx,temp_to_idx) # 2. if merged / cannot move; stop # time.sleep(0.2) temp_from_idx = temp_to_idx temp_to_idx = temp_to_idx + update_scale self.win_lose() # check win/lose by every act if set(ordered_pos_idx) != set(self.block_pos_idx): # if some position change, add new block self.emerge_block() def Up(self): self.to_direction('Up') def Down(self): self.to_direction('Down') def Left(self): self.to_direction('Left') def Right(self): self.to_direction('Right') def win_lose(self): self.goto((0,200)) self.color('Red') if self.max_score >= 2048: self.write('Win',align='center',font = 80) else: if self.avail_pos_idx == []: check_lose = True for temp_pos_idx in [ (i+4*j) for i in range(4-1) for j in range(4-1)]: t_val = self.block[self.block_pos_idx.index(temp_pos_idx)].text_val if t_val == self.block[self.block_pos_idx.index(temp_pos_idx +1 )].text_val: check_lose = False elif t_val == self.block[self.block_pos_idx.index(temp_pos_idx +4 )].text_val: check_lose = False if check_lose == True: self.write('You Lose',align='center',font = 80) ms = turtle.Screen() ms.setup(430,630) ms.bgcolor('FloralWhite') ms.title('2048') ms.tracer(0) bg = Game() ms.listen() ms.onkey(bg.Up, 'Up') ms.onkey(bg.Down, 'Down') ms.onkey(bg.Left, 'Left') ms.onkey(bg.Right, 'Right') while True: ms.update() ms.mainloop()