auto save

snake.py

@@ -6,27 +6,67 @@ pygame.init()
 
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
-
+FPSCLOCK=pygame.time.Clock()
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = 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')
+x,y=240,120
+position=[(180,90),(180,120),(210,120),(x,y)]
+apple_x=360
+apple_y=300
+setheading="right"
+snake_head=right
 while True:
     for event in pygame.event.get():
+        print(event)
         if event.type == locals.QUIT:
-            # 接收到退出事件后退出程序
             exit()
+        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))
+    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
+    else :
+        position.pop(0)
+    
+
     # 将背景图画上去
     screen.blit(background, (0, 0))
+    screen.blit(snake_head,position[-1])
+    screen.blit(right, position[-1])
     # 将贪吃蛇画上去
-    screen.blit(right, (240, 120))
-    # 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
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x, apple_y))
     # 刷新画面
-    pygame.display.update()
\ No newline at end of file
+    pygame.display.update()
+    FPSCLOCK.tick(3)
\ No newline at end of file