save project

snake.py

+import pygame
+import random
+from pygame import locals
+
+# 初始化pygame，为使用pygame做准备
+pygame.init()
+
+background=pygame.image.load('bg.png')
+right=pygame.image.load('right.png')
+apple=pygame.image.load('apple.png')
+body=pygame.image.load('body.png')
+left=pygame.image.load('left.png')
+up=pygame.image.load('up.png')
+down=pygame.image.load('down.png')
+my_font = pygame.font.SysFont('ROMAN.FON',18)
+
+# 创建一个窗口
+screen=pygame.display.set_mode((660,480))
+FPSCLOCK=pygame.time.Clock()
+x,y=240,120
+apple_x,apple_y=360,300
+position=[(180,90),(180,120),(210,120),(x,y)]
+setheading="right"
+snake_head=right
+score=0
+
+while True:
+
+    for event in pygame.event.get():
+        if event.type==locals.QUIT:
+            #接收到退出事件后退出程序
+            exit()
+    if event.type == pygame.KEYDOWN:
+            if event.key == pygame.K_RIGHT and setheading!="left":
+                setheading = 'right'
+                snake_head=right
+            elif event.key == pygame.K_LEFT and setheading!="right":
+                setheading = 'left'
+                snake_head=left
+            elif event.key == pygame.K_UP and setheading!="down":
+                setheading = 'up'
+                snake_head=up
+            elif event.key == pygame.K_DOWN and setheading!="up":
+                setheading = 'down'
+                snake_head=down
+    if setheading=="right":
+        x+=30
+    elif setheading=="left":
+        x-=30
+    elif setheading=="up":
+        y-=30
+    else:
+        y+=30 
+    position.append((x,y))
+    if x==apple_x and y==apple_y:
+        num1=random.randint(1,22)  
+        num2=random.randint(1,16)
+        apple_x=num1*30-30
+        apple_y=num2*30-30
+        score+=10
+    else: 
+        position.pop(0)
+    if x<0 or x>630 or y<0 or y>450:
+        exit()
+    screen.blit(background,(0,0))
+
+    screen.blit(snake_head,(x,y))
+    for i in range(len(position)-1):
+        screen.blit(body,position[i])
+    #screen.blit(body,(210,120))
+    #screen.blit(body,(180,120))
+    #screen.blit(body,(180,90))
+
+    screen.blit(apple,(apple_x,apple_y))
+
+    info="Score"+str(score)
+    text=my_font.render(info,True,(0,0,0))
+    screen.blit(text,(540,10))
+
+    pygame.display.update()
+    FPSCLOCK.tick(7)
+
+