贪吃蛇吃不了食物怎么改
void EatFood()
{
if(food.flag &&snake.coor [0].x>=food.x-food.r &&snake.coor[0].x<=food.x+food.r
&&snake.coor [0].y>=food.y-food.r &&snake.coor[0].y<=food.y+food.r)
{
food.flag =false;
snake.size++;

}
if(!food.flag)//刷新食物
{
food.x =rand()%1080;
food.y =rand()%720;
food.color=RGB(rand()%256,rand()%256,rand()%256);
food.r =rand()%10+3;
food.flag =true;

}

}