public override void OnInspectorGUI()
    {
        IslandGenerator islandGen = (IslandGenerator)target;

        if (DrawDefaultInspector())
        {
            if (islandGen.autoUpdate)
            {
                islandGen.DrawMapInEditor();
            }
        }

        if (GUILayout.Button("Generate"))
        {
            islandGen.DrawMapInEditor();
        }
    }