private void OnValidate()
        {
            if (terrainData != null)
            {
                terrainData.OnValuesUpdated -= OnValuesUpdated;
                terrainData.OnValuesUpdated += OnValuesUpdated;
            }
            if (noiseData != null)
            {
                noiseData.OnValuesUpdated -= OnValuesUpdated;
                noiseData.OnValuesUpdated += OnValuesUpdated;
            }

            _falloffMap = FalloffGenerator.GenerateFalloffMap(MapSize);
        }
 private void Awake()
 {
     _falloffMap = FalloffGenerator.GenerateFalloffMap(MapSize);
 }