auto save

snake.py

@@ -12,21 +12,55 @@ 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')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
+left = pygame.image.load('left.png')
 
 
+FPSCLOCK = pygame.time.Clock()
+x , y = 240, 120
+setheading = 'right'
+heading = right
+position = [(180,90), (180, 120), (210, 120), (x, y)]
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
+        print(event)
         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()
+        if event.type == locals.KEYDOWN:
+            if event.key == 273 and setheading != 'down':
+                setheading = 'up'
+                heading = up
+            if event.key == 274 and setheading != 'up':
+                setheading = 'down'
+                heading = down
+            if event.key == 275 and setheading != 'left':
+                setheading = 'right'
+                heading = right
+            if event.key == 276 and setheading != 'right':
+                setheading = 'left'
+                heading = left
+    
+    if setheading == 'right':
+        x += 30
+    elif setheading == 'left':
+        x -= 30
+    elif setheading == 'up':
+        y -= 30
+    else:
+        y += 30
     # 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, (240, 120))
+    position.append((x, y))
+    position.pop(0)
+    screen.blit(heading, position[-1])
     # 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, (180, 120))
-    screen.blit(body, (180, 90))
+    for i in range(len(position)-1):
+        screen.blit(body, position[i])
+
     # 将果实画上去
     # 将果实画上去
     screen.blit(food, (360, 300))
     screen.blit(food, (360, 300))
     # 刷新画面
     # 刷新画面
-    pygame.display.update()
+    pygame.display.update()
\ No newline at end of file
+    FPSCLOCK.tick(1)
\ No newline at end of file