/*
* @brief 當實體從群組中移除
*/
private void OnEntityRemoveHandler(IGroup <DemoEntity> group, DemoEntity entity)
{
component = null;
Console.WriteLine($"demo entity: {entity} remove from group");
}
/*
* @brief 當實體加入到群組中
*/
private void OnEntityAddHandler(IGroup <DemoEntity> group, DemoEntity entity)
{
component = (ComponentA)entity.GetComponent(ComponentA.Id);
Console.WriteLine($"demo entity: {entity} add to group");
}