public override void OnInspectorGUI()
    {
        DrawDefaultInspector();
        Liquid myLiquid = (Liquid)target;

        if (GUILayout.Button("Instantiate Liquid"))
        {
            myLiquid.InstantiateLiquid();
        }

        if (GUILayout.Button("Destroy Liquid"))
        {
            myLiquid.DestroyLiquid();
        }
    }