save project

snake.py

@@ -4,28 +4,55 @@ from pygame import locals
 pygame.init()
 pygame.init()
 # 创建一个窗口
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 screen = pygame.display.set_mode((660, 480))
-FPSCLOCK=pygame.time.Clock.tick()
+FPSCLOCK=pygame.time.Clock()
 # 背景
 # 背景
 background = pygame.image.load('bg.png')
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.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')
 x,y=240,120
 x,y=240,120
 position=[(180,90),(180,120),(210,120),(x,y)]
 position=[(180,90),(180,120),(210,120),(x,y)]
+
+setheading="right"
+snake_head=right
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
         if event.type == locals.QUIT:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             # 接收到退出事件后退出程序
             exit()
             exit()
-        x+=30
-        y+=30
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and setheading !="left":
+                setheading="right"
+                snake_head=right
+            if event.key==locals.K_LEFT and setheading !="right":
+                setheading="left"
+                snake_head=left
+            if event.key==locals.K_UP and setheading !="down":
+                setheading="up"
+                snake_head=up
+            if event.key==locals.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))
+        position.pop(0)
     # 将背景图画上去
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     # 将贪吃蛇画上去
-    screen.blit(right, (x,y))
+    screen.blit(snake_head,position[-1])
 
 
     for i in range(len(position)-1):
     for i in range(len(position)-1):
-       screen.blit(body,position[i])
+        screen.blit(body,position[i])
     # 将贪吃蛇的身体画上去
     # 将贪吃蛇的身体画上去
     #screen.blit(body, (210, 120))
     #screen.blit(body, (210, 120))
     #screen.blit(body, (180, 120))
     #screen.blit(body, (180, 120))