save project

snake.py

@@ -44,8 +44,6 @@ while True:
             if event.key == locals.K_DOWN and setheading != "up":
                 setheading = 'down'
                 snake_head = down
-
-    # 设置贪吃蛇的头部坐标
     if setheading == "right":
         x += 30
     elif setheading == "left":
@@ -55,9 +53,12 @@ while True:
     else:
         y += 30
     position.append((x, y))
-    if(x==appale_x and y==appale_y):
-        appale_x=random.randint(0,660) 
-        appale_y=random.randint(0,480) 
+    if x == appale_x and y == appale_y:
+        num1 = random.randint(1,22)    
+        num2 = random.randint(1,16)
+        appale_x = num1 * 30 - 30 
+        appale_y = num2 * 30 - 30
+    else:     
         position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))