save project

snake.py

@@ -25,10 +25,6 @@ setheading = "right"
 snake_head = right
 apple_x=360
 apple_y=300
-if x==apple_x and y==apple_y:
-    apple_x=random.randint(10,660)
-    apple_y=random.randint(10,480)
-    screen.blit(food,apple_x,apple_y)
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -57,6 +53,9 @@ while True:
         y -= 30
     else:
         y += 30
+    if x==apple_x and y==apple_y:
+        apple_x=random.randint(0,660)
+        apple_y=random.randint(0,480)
     position.append((x, y))
     position.pop(0)
     # 将背景图画上去
@@ -68,7 +67,7 @@ while True:
         screen.blit(body, position[i])
 
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food,(apple_x,apple_y))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)