void OnGUI() { // RTS selection function, mouse click then start draw selection area if (mouseAreaSelec) { // Create a rect from both mouse positions var rect = Utils_RTS_Draw.GetScreenRect(curMousPos, Input.mousePosition); Utils_RTS_Draw.DrawScreenRect(rect, new Color(0.8f, 0.8f, 0.95f, 0.25f)); Utils_RTS_Draw.DrawScreenRectBorder(rect, 2, new Color(0.8f, 0.8f, 0.95f)); } }