【下载文档:  Python写的贪吃蛇游戏例子.txt 】

---

Python写的贪吃蛇游戏例子
第一次用Python写这种比较实用且好玩的东西，权当练手吧
游戏说明：
* P键控制“暂停/开始”* 方向键控制贪吃蛇的方向
源代码如下：复制代码 代码如下:from Tkinter import *import tkMessageBox,sysfrom random import randint
class Grid(object): def __init__(self,master=None,window_width=800,window_height=600,grid_width=50,offset=10): self.height = window_height self.width = window_width self.grid_width = grid_width self.offset = offset self.grid_x = self.width/self.grid_width self.grid_y = self.height/self.grid_width self.bg = "#EBEBEB" self.canvas = Canvas(master, width=self.width+2*self.offset, height=self.height+2*self.offset, bg=self.bg) self.canvas.pack() self.grid_list() def draw(self, pos, color,): x = pos[0]*self.grid_width + self.offset y = pos[1]*self.grid_width + self.offset self.canvas.create_rectangle(x, y, x+self.grid_width, y+self.grid_width,fill=color,outline=self.bg) def grid_list(self): grid_list = [] for y in range(0,self.grid_y): for x in range(0,self.grid_x): grid_list.append((x,y)) self.grid_list = grid_listclass Food(object): def __init__(self, Grid): self.grid = Grid self.color = "#23D978" self.set_pos() def set_pos(self): x = randint(0,self.grid.grid_x - 1) y = randint(0,self.grid.grid_y - 1) self.pos = (x, y) def display(self): self.grid.draw(self.pos,self.color)class Snake(object): def __init__(self, Grid): self.grid = Grid self.body = [(10,6),(10,7),(10,8)] self.direction = "Up" self.status = ['run','stop'] self.speed = 300 self.color = "#5FA8D9" self.food = Food(self.grid) self.display_food() self.gameover = False self.score = 0 def available_grid(self): return [i for i in self.grid.grid_list if i not in self.body[2:]] def change_direction(self, direction): self.direction = direction def display(self): for (x,y) in self.body: self.grid.draw((x,y),self.color) def display_food(self): while(self.food.pos in self.body): self.food.set_pos() self.food.display() def move(self): head = self.body[0] if self.direction == 'Up': new = (head[0], head[1]-1) elif self.direction == 'Down': new = (head[0], head[1]+1) elif self.direction == 'Left': new = (head[0]-1,head[1]) else: new = (head[0]+1,head[1]) if not self.food.pos == head: pop = self.body.pop() self.grid.draw(pop,self.grid.bg) else: self.display_food() self.score += 1 self.body.insert(0,new) if not new in self.available_grid(): self.status.reverse() self.gameover = True else: self.grid.draw(new,color=self.color)class SnakeGame(Frame): def __init__(self,master=None, *args, **kwargs): Frame.__init__(self, master) self.master = master self.grid = Grid(master=master,*args, **kwargs) self.snake = Snake(self.grid) self.bind_all("", self.key_release) self.snake.display() def run(self): if not self.snake.status[0] == 'stop': self.snake.move() if self.snake.gameover == True: message = tkMessageBox.showinfo("Game Over", "your score: %d" % self.snake.score) if message == 'ok': sys.exit() self.after(self.snake.speed,self.run) def key_release(self, event): key = event.keysym key_dict = {"Up":"Down","Down":"Up","Left":"Right","Right":"Left"} if key_dict.has_key(key) and not key == key_dict[self.snake.direction]: self.snake.change_direction(key) self.snake.move() elif key == 'p': self.snake.status.reverse()if __name__ == '__main__': root = Tk() snakegame = SnakeGame(root) snakegame.run() snakegame.mainloop()