public BrushRotationVariator(string toolName, IBrushEventHandler eventHandler, IBrushTerrainCache terrainCache, bool smoothJitter = false) : base(toolName, eventHandler, terrainCache)
 {
     m_JitterHandler           = new BrushJitterHandler(0.0f, kMinBrushRotation, kMaxBrushRotation, smoothJitter);
     m_BrushRotation.wrapValue = true;
 }