// called when left mouse is first pressed down, creates a new rectangle and passes it to
// BoxSelectionCheck. Clears current selection if left ctrl not down.
public void BeginBoxSelection(Vector3 initMousePos)
{
// if ctrl is not being held down
if (!Input.GetKey("left ctrl"))
{
OnClearSelection?.Invoke();
}
this.mousePos1 = initMousePos;
this.mousePos2 = initMousePos;
selectRect = new Rect(mousePos1.x, mousePos1.y, mousePos2.x - mousePos1.x, mousePos2.y - mousePos1.y);
OnBoxSelection?.Invoke(selectRect);
}
// selects the single unit that the raycast hit
// if ctrl is not being held down, clears selection first
private void SingleSelect(RaycastHit rayHit, Vector3 mousePos2)
{
if (mousePos1 == mousePos2 && rayHit.collider != null)
{
GameObject collidedObj = rayHit.collider.gameObject;
if (collidedObj.GetComponent <Selectable>() != null)
{
if (!Input.GetKey("left ctrl")) // if ctrl is not held down
{
OnClearSelection?.Invoke();
}
OnAddSelection?.Invoke(collidedObj);
}
else if (!Input.GetKey("left ctrl")) // if the raycast doesn't hit a selectable object and left ctrl is not down
{
OnClearSelection?.Invoke();
}
}
}
