public override void OnGUI()
{
base.OnGUI();
if (mouseMainBtnPressed && isSquareMultiSelectionInputActive)
{
var rect = BIWUtils.GetScreenRect(lastMousePosition, Input.mousePosition);
BIWUtils.DrawScreenRect(rect, new Color(1f, 1f, 1f, 0.25f));
BIWUtils.DrawScreenRectBorder(rect, 1, Color.white);
}
}