save project

snake.py

@@ -51,8 +51,10 @@ while True:
     position.append((x,y))
     position.pop(0)
     if x==apple_x and y==apple_y:
-        apple_x=random.randint(0,660)
-        apple_y=random.randint(0,480)
+        num1=random.randint(1,22)
+        num2=random.randint(1,16)
+        apple_x=num1*30-30
+        apple_y=num2*30-30
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
@@ -62,7 +64,7 @@ while True:
         screen.blit(body,position[j])
     
     # 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)
\ No newline at end of file
+    Fpsclock.tick(30)
\ No newline at end of file