bool ApplyPerTrianglePaintAction ( [IMeshPaintComponentAdapter](API\Plugins\MeshPaintingToolset\IMeshPaintComponentAdapter) * Adapter, const FVector & CameraPosition, const FVector & HitPosition, const [UBrushBaseProperties](API\Runtime\InteractiveToolsFramework\BaseTools\UBrushBaseProperties) * Settings, FPerTrianglePaintAction Action, bool bOnlyFrontFacingTriangles )