save project

snake.py

@@ -19,6 +19,7 @@ down = pygame.image.load('down.png')        # 头 朝下
 
 
 x, y = 240, 120
 x, y = 240, 120
 ax,ay=360,300
 ax,ay=360,300
+
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
 
 setheading = "right"
 setheading = "right"
@@ -53,11 +54,15 @@ while True:
     else:
     else:
         y += 30
         y += 30
     position.append((x, y))
     position.append((x, y))
-    position.pop(0)
+    
     
     
     if (ax==x and ay==y):
     if (ax==x and ay==y):
-        ax=random.randint(0,680)
-        ay=random.randint(0,480)
+       n1=random.randint(1,22)
+       n2=random.randint(1,16)
+       ax=n1*30-30
+       ay=n2*30-30
+    else:
+        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))
     # 将贪吃蛇的头画上去
     # 将贪吃蛇的头画上去