// 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);
}
// called when left click released, creates a new rectangle for BoxSelectionCheck.
// (commented out code edits existing rectangle. Doesn't work for some reason. Might change later for performance?)
public void EndBoxSelection(Vector3 mousePos2)
{
this.mousePos2 = mousePos2;
selectRect = new Rect(mousePos1.x, mousePos1.y, mousePos2.x - mousePos1.x, mousePos2.y - mousePos1.y);
OnBoxSelection?.Invoke(selectRect);
}
// called while left click remains down, creates a new rectangle for BoxSelectionCheck.
// (commented out code edits existing rectangle. Doesn't work for some reason. Might change later for performance?)
public void ContinueBoxSelection(RaycastHit rayHit, Vector3 mousePos2)
{
this.mousePos2 = mousePos2;
selectRect = new Rect(mousePos1.x, mousePos1.y, mousePos2.x - mousePos1.x, mousePos2.y - mousePos1.y);
OnBoxSelection?.Invoke(selectRect);
}