public ICanSelect Select(IEnumerable <ICanSelect> selectableItems)
{
if (CheckUIRaycast(Input.mousePosition))
{
return(_currentTower);
}
var towers = selectableItems.Cast <TowerBase>();
var distance = float.MaxValue;
var ray = _camera.ScreenPointToRay(Input.mousePosition);
TowerBase closestTower = null;
foreach (var tower in towers)
{
var bounds = tower.VisualBounds;
float newDistance;
if (bounds.IntersectRay(ray, out newDistance))
{
if (newDistance < distance)
{
closestTower = tower;
distance = newDistance;
}
}
}
if (_currentTower != null && _currentTower != closestTower)
{
_currentTower.Unselect();
}
_currentTower = closestTower;
if (closestTower != null)
{
closestTower.Select();
}
return(closestTower);
}
private void OnTowerSelected(ICanSelect tower)
{
TowerSelected?.Invoke(tower as TowerBase);
}
