private void OnDestroy()
        {
            Destroy(slippageHeight);
            Destroy(slippageOutflow);
            water.OnDestroy();
            lava.OnDestroy();
            DoubleDataTexture.DestroyAll();

            int numGrids = TOTAL_GRID_SIZE / GRID_SIZE + 1;

            for (int x = 0; x < numGrids; x++)
            {
                for (int y = 0; y < numGrids; y++)
                {
                    int idx = x + y * numGrids;

                    Destroy(gridLand[idx]);
                    Destroy(gridWater[idx]);
                    //Destroy(gridLava[idx]);
                }
            }
        }