private void ClearSelectionArea()
{
unitSelectionArea.gameObject.SetActive(false);
if (unitSelectionArea.sizeDelta.magnitude == 0)
{
SelectSingleUnit();
return;
}
Vector2 min = unitSelectionArea.anchoredPosition - (unitSelectionArea.sizeDelta / 2);
Vector2 max = unitSelectionArea.anchoredPosition + (unitSelectionArea.sizeDelta / 2);
foreach (Unit unit in rtsPlayer.GetMyUnits())
{
if (SelectedUnits.Contains(unit))
{
continue;
}
Vector3 screenPosition = mainCamera.WorldToScreenPoint(unit.transform.position); //getting screen position of a unit
if (screenPosition.x > min.x && //checking if unit is inside box of selector
screenPosition.x < max.x &&
screenPosition.y > min.y &&
screenPosition.y < max.y)
{
SelectedUnits.Add(unit);
unit.Select();
}
}
}
private void HandleMultipleSelction()
{
Vector2 min = unitSelectionArea.anchoredPosition - (unitSelectionArea.sizeDelta / 2);
Vector2 max = unitSelectionArea.anchoredPosition + (unitSelectionArea.sizeDelta / 2);
foreach (Unit unit in rtsPlayer.GetMyUnits())
{
if (SelectedUnits.Contains(unit))
{
continue;
}
Vector3 screenPosition = mainCamera.WorldToScreenPoint(unit.transform.position);
if (screenPosition.x < min.x)
{
return;
}
if (screenPosition.x > max.x)
{
return;
}
if (screenPosition.y < min.y)
{
return;
}
if (screenPosition.y > max.y)
{
return;
}
SelectedUnits.Add(unit);
unit.SelectUnit();
}
}