save project

snake.py

@@ -23,9 +23,9 @@ position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
 setheading = "right"
 snake_head = right
-n=30
-apple_x=12*n
-apple_y=10*n
+
+apple_x=12
+apple_y=10
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -56,8 +56,9 @@ while True:
         y += 30
     position.append((x, y))
     if x == apple_x and y == apple_y:
-        apple_x = random.randint(0,21*n)
-        apple_y = random.randint(0,15*n)
+        apple_x = 30*random.randint(0,21)
+        apple_y = 30*random.randint(0,15)
+    else:
         position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))