public static void VisibilityRemove(int objectNumber)
 {
     if (objectNumber >= vectorLines2.Count)
     {
         Debug.LogError("VectorManager: object number exceeds array length in VisibilityRemove");
         return;
     }
     for (int i = objectNumber + 1; i < _arrayCount2; i++)
     {
         objectNumbers2[i].i--;
     }
     vectorLines2.RemoveAt(objectNumber);
     objectNumbers2.RemoveAt(objectNumber);
     _arrayCount2--;
     VectorLine.LineManagerDisable();
 }