save project

snake.py

@@ -23,6 +23,9 @@ apple_x,apple_y=360,300
 setheading = "right"
 snake_head = right
 
+
+
+
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -52,7 +55,14 @@ while True:
     else:
         y += 30
     position.append((x, y))
-    position.pop(0)
+    if x==apple_x and y==apple_y:
+        num1=random.randint(1,22)
+        num2=random.randint(1,16)
+        apple_x=30*num1-30
+        apple_y=30*num2-30
+    
+    else:    
+        position.pop(0)
 
     # 将背景图画上去
     screen.blit(background, (0, 0))
@@ -68,4 +78,4 @@ while True:
     screen.blit(food, (apple_x, apple_y))
     # 刷新画面
     pygame.display.update()
-    FPSCLOCK.tick(3)
\ No newline at end of file
+    FPSCLOCK.tick(3)