A helper class for object allocation/storage. This helps the GC a lot as it prevents the creation of about 75% of new face objects (in the case of ConvexFaceInternal). In the case of FaceConnectors and DefferedFaces, the difference is even higher (in most cases O(1) vs O(number of created faces)).
ObjectManager Class Documentation
Ejemplo n.º 1
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        /// <summary>
        /// Initialize buffers and lists.
        /// </summary>
        /// <param name="config"></param>
        void InitializeData(ConvexHullComputationConfig config)
        {
            UnprocessedFaces = new FaceList();
            ConvexFaces = new IndexBuffer();

            FacePool = new ConvexFaceInternal[(Dimension + 1) * 10]; // must be initialized before object manager
            AffectedFaceFlags = new bool[(Dimension + 1) * 10];
            ObjectManager = new MIConvexHull.ObjectManager(this);

            Center = new double[Dimension];
            TraverseStack = new IndexBuffer();
            UpdateBuffer = new int[Dimension];
            UpdateIndices = new int[Dimension];
            EmptyBuffer = new IndexBuffer();
            AffectedFaceBuffer = new IndexBuffer();
            ConeFaceBuffer = new SimpleList<DeferredFace>();
            SingularVertices = new HashSet<int>();
            BeyondBuffer = new IndexBuffer();

            ConnectorTable = new ConnectorList[ConnectorTableSize];
            for (int i = 0; i < ConnectorTableSize; i++) ConnectorTable[i] = new ConnectorList();

            VertexMarks = new bool[Vertices.Length];
            InitializePositions(config);

            MathHelper = new MIConvexHull.MathHelper(Dimension, Positions);
        }