private void OnGUI()
{
if (mousePressed && isDoingSquareMultiSelection)
{
var rect = BuilderInWorldUtils.GetScreenRect(lastMousePosition, Input.mousePosition);
BuilderInWorldUtils.DrawScreenRect(rect, new Color(1f, 1f, 1f, 0.5f));
BuilderInWorldUtils.DrawScreenRectBorder(rect, 1, Color.white);
}
}