save project

snake.py

@@ -18,16 +18,20 @@ x,y=480,60
 # 创建一个窗口
 screen = pygame.display.set_mode((660,480))
 FPS=pygame.time.Clock()
+hp=[(420,30),(420,60),(450,60),(x,y)]
 while True :
     for event in pygame.event.get():
         if event.type==locals.QUIT:
             exit()
-    x+=30    
+    x+=30
+    hp.append((x,y))
+    hp.pop(0)
     screen.blit(bg,(0,0))
-    screen.blit(right,(x,y))
-    screen.blit(body,(450,60))
-    screen.blit(body,(420,60))
-    screen.blit(body,(420,30))
+    screen.blit(right,hp[-1])
+    for i in range(len(hp)-1):
+        screen.blit(body,hp[i])
+        # screen.blit(body,(420,60))
+        # screen.blit(body,(420,30))
     screen.blit(apple,(480,90))
     pygame.display.update()
     FPS.tick(3)
\ No newline at end of file