protected override void OnEnable()
{
base.OnEnable();
_visibility = new VisibilityMap(_map.Width, _map.Height, _map, Allocator.Persistent);
}
protected override void OnResized(int2 newSize)
{
_visibility.Dispose();
_visibility = new VisibilityMap(_map.Width, _map.Height, _map, Allocator.Persistent);
}