private void OnDisable()
        {
            allInstancesPosWSBuffer?.Release();
            allInstancesPosWSBuffer = null;

            visibleInstancesOnlyPosWSIDBuffer?.Release();
            visibleInstancesOnlyPosWSIDBuffer = null;

            argsBuffer?.Release();
            argsBuffer = null;

            instance = null;
        }
 private void OnEnable()
 {
     instance = this;
     cam      = Camera.main;
 }