auto save

snake.py

@@ -54,10 +54,11 @@ while True:
         y -= 30
         y -= 30
     else:
     else:
         y += 30
         y += 30
-    if apple_x==x and apple_y==y:
-        apple_y=random.randint(0,660)
-        apple_x=random.randint(0,480)
     position.append((x, y))
     position.append((x, y))
+    if apple_x==x and apple_y==y:
+        apple_y=random.randint(1,22)*30-30
+        apple_x=random.randint(1,16)*30-30
+    else:
         position.pop(0)
         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))
@@ -71,4 +72,4 @@ while True:
     screen.blit(food, (apple_x, apple_y))
     screen.blit(food, (apple_x, apple_y))
     # 刷新画面
     # 刷新画面
     pygame.display.update()
     pygame.display.update()
-    FPSCLOCK.tick(3)
+    FPSCLOCK.tick(10)
\ No newline at end of file