auto save

test.py

+import pygame
+from pygame import locals
+
+# 初始化pygame，为使用硬件做准备
+pygame.init()
+
+x,y=240,120
+pos=[(180, 90),(180, 120),(210,120),(x,y)]
+pytime=pygame.time.Clock()
+
+# 创建一个窗口
+screen = pygame.display.set_mode((660, 480))
+
+# 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')
+down = pygame.image.load('down.png')
+up = pygame.image.load('up.png')
+snakehead=right
+setheading="right"
+
+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 == locals.KEYDOWN:
+        if event.key==locals.K_RIGHT and setheading != "left":
+            setheading="right"
+            snakehead=right
+        if event.key==locals.K_RIGHT and setheading != "right":
+            setheading="left"
+            snakehead=left
+        if event.key==locals.K_RIGHT and setheading != "down":
+            setheading="up"
+            snakehead=up
+        if event.key==locals.K_RIGHT and setheading != "up":
+            setheading="down"
+            snakehead=down
+        
+    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
+    
+    
+    pos.append((x,y))
+    pos.pop(0)
+    screen.blit(background, (0, 0))
+    
+    # 将贪吃蛇画上去
+    screen.blit(snakehead,pos[-1])
+    # 将贪吃蛇的身体画上去
+    for i in range(len(pos)-1):
+        screen.blit(body,pos[i])        
+
+    # 将果实画上去
+    screen.blit(food, (360, 300))
+    # 刷新画面
+    pygame.display.update()
+
+    pytime.tick(3)