save project

snake.py

@@ -48,8 +48,9 @@ while True:
         y-=30
         y-=30
     position.append((x,y))
     position.append((x,y))
     if x==apple_x and y==apple_y:
     if x==apple_x and y==apple_y:
-        apple_x = random.randint(0,630)
-        apple_y = random.randint(0,450)
+        apple_x = random.randint(0,21)*30
+        apple_y = random.randint(0,15)*30
+    
     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))