from tkinter import *
import threading
import queue
import time
import random
class GUI(Tk):
'''class GUI use to create the gui'''
def __init__(self, queue):
Tk.__init__(self)
self.queue = queue
self.is_game_over = False
self.canvas = Canvas(self, width=495, height=305, bg='#000000')
self.canvas.pack()
self.snake = self.canvas.create_line((0,0),(0,0), fill='#FFFF00', width=10)
self.food = self.canvas.create_rectangle(0,0,0,0, fill='#00FF00', outline='#00FF00')
self.point_score = self.canvas.create_text(455, 15, fill='white', text='score:0')
self.queue_handler()
def restart(self):
self.destroy()
main()
def queue_handler(self):
try:
while True:
task = self.queue.get(block=False)
if task.get('game_over'):
self.game_over()
elif task.get('move'):
points = [x for point in task['move'] for x in point]
self.canvas.coords(self.snake, *points)
elif task.get('food'):
self.canvas.coords(self.food, *task['food'])
elif task.get('points_score'):
self.canvas.itemconfigure(self.point_score,
text='score:{}'.format(task['points_score']))
self.queue.task_done()
except queue.Empty:
if not self.is_game_over:
self.canvas.after(100, self.queue_handler)
def game_over(self):
self.is_game_over = True
self.canvas.create_text(220, 150, fill='white',text='Game Over!')
quitbtn = Button(self, text='退出', command=self.destroy)
retbtn = Button(self, text='重来', command=self.restart)
self.canvas.create_window(230, 180, anchor=W, window=quitbtn)
self.canvas.create_window(200, 180, anchor=E, window=retbtn)
class Food():
'''class Food use to make food'''
def __init__(self, queue):
self.queue = queue
self.make_food()
def make_food(self):
x = random.randrange(5, 480, 10)
y = random.randrange(5, 295, 10)
self.position = x,y
self.exppos = x-5,y-5,x+5,y+5
self.queue.put({'food':self.exppos})
class Snake(threading.Thread):
'''class Snake use to create snake and response action'''
def __init__(self, gui, queue):
threading.Thread.__init__(self)
self.gui = gui
self.queue = queue
self.daemon = True
self.points_score = 0
self.snake_points = [(495,55),(485,55),(475,55),(465,55),(455,55)]
self.food = Food(queue)
self.direction = 'Left'
self.start()
def run(self):
if self.gui.is_game_over:
self._delete()
while not self.gui.is_game_over:
self.queue.put({'move':self.snake_points})
time.sleep(0.2)
self.move()
def key_pressed(self,e):
self.direction = e.keysym
def move(self):
new_snake_point = self.calculate_new_coordinates()
if self.food.position == new_snake_point:
add_snake_point = self.calculate_new_coordinates()
self.snake_points.append(add_snake_point)
self.points_score += 1
self.queue.put({'points_score':self.points_score})
self.food.make_food()
else:
self.snake_points.pop(0)
self.check_game_over(new_snake_point)
self.snake_points.append(new_snake_point)
def calculate_new_coordinates(self):
last_x,last_y = self.snake_points[-1]
if self.direction == 'Up':
new_snake_point = last_x,last_y-10
elif self.direction == 'Down':
new_snake_point = last_x,last_y+10
elif self.direction == 'Left':
new_snake_point = last_x-10,last_y
elif self.direction == 'Right':
new_snake_point = last_x+10,last_y
return new_snake_point
def check_game_over(self, snake_point):
x,y = snake_point[0],snake_point[1]
if not -5 < x < 505 or not -5 < y < 315 or snake_point in self.snake_points:
self.queue.put({'game_over':True})
def main():
q = queue.Queue()
gui = GUI(q)
gui.title("贪吃蛇")
snake = Snake(gui, q)
gui.bind('<Key-Left>', snake.key_pressed)
gui.bind('<Key-Right>', snake.key_pressed)
gui.bind('<Key-Up>', snake.key_pressed)
gui.bind('<Key-Down>', snake.key_pressed)
gui.mainloop()
if __name__ == '__main__':
main()
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狗仔卡
发表于 2020-5-15 16:48:04
置顶卡
千斤顶
显身卡
楼主
发表于 2020-5-15 18:19:02