DepositFace() public méthode

Return the face to the pool for later use.
public DepositFace ( int faceIndex ) : void
faceIndex int
Résultat void
        /// <summary>
        /// Commits a cone and adds a vertex to the convex hull.
        /// </summary>
        private void CommitCone()
        {
            // Fill the adjacency.
            for (var i = 0; i < ConeFaceBuffer.Count; i++)
            {
                var face = ConeFaceBuffer[i];

                var newFace = face.Face;
                var adjacentFace = face.Pivot;
                var oldFace = face.OldFace;
                var orderedPivotIndex = face.FaceIndex;

                newFace.AdjacentFaces[orderedPivotIndex] = adjacentFace.Index;
                adjacentFace.AdjacentFaces[face.PivotIndex] = newFace.Index;

                // let there be a connection.
                for (var j = 0; j < NumOfDimensions; j++)
                {
                    if (j == orderedPivotIndex) continue;
                    var connector = ObjectManager.GetConnector();
                    connector.Update(newFace, j, NumOfDimensions);
                    ConnectFace(connector);
                }

                // the id adjacent face on the hull? If so, we can use simple method to find beyond vertices.
                if (adjacentFace.VerticesBeyond.Count == 0)
                    FindBeyondVertices(newFace, oldFace.VerticesBeyond);
                // it is slightly more effective if the face with the lower number of beyond vertices comes first.
                else if (adjacentFace.VerticesBeyond.Count < oldFace.VerticesBeyond.Count)
                    FindBeyondVertices(newFace, adjacentFace.VerticesBeyond, oldFace.VerticesBeyond);
                else
                    FindBeyondVertices(newFace, oldFace.VerticesBeyond, adjacentFace.VerticesBeyond);

                // This face will definitely lie on the hull
                if (newFace.VerticesBeyond.Count == 0)
                {
                    ConvexFaces.Add(newFace.Index);
                    UnprocessedFaces.Remove(newFace);
                    ObjectManager.DepositVertexBuffer(newFace.VerticesBeyond);
                    newFace.VerticesBeyond = EmptyBuffer;
                }
                else // Add the face to the list
                {
                    UnprocessedFaces.Add(newFace);
                }

                // recycle the object.
                ObjectManager.DepositDeferredFace(face);
            }

            // Recycle the affected faces.
            for (var fIndex = 0; fIndex < AffectedFaceBuffer.Count; fIndex++)
            {
                var face = AffectedFaceBuffer[fIndex];
                UnprocessedFaces.Remove(FacePool[face]);
                ObjectManager.DepositFace(face);
            }
        }
Exemple #2
0
 private void CommitCone()
 {
     for (int i = 0; i < ConeFaceBuffer.Count; i++)
     {
         DeferredFace       deferredFace = ConeFaceBuffer[i];
         ConvexFaceInternal face         = deferredFace.Face;
         ConvexFaceInternal pivot        = deferredFace.Pivot;
         ConvexFaceInternal oldFace      = deferredFace.OldFace;
         int faceIndex = deferredFace.FaceIndex;
         face.AdjacentFaces[faceIndex] = pivot.Index;
         pivot.AdjacentFaces[deferredFace.PivotIndex] = face.Index;
         for (int j = 0; j < NumOfDimensions; j++)
         {
             if (j != faceIndex)
             {
                 FaceConnector connector = ObjectManager.GetConnector();
                 connector.Update(face, j, NumOfDimensions);
                 ConnectFace(connector);
             }
         }
         if (pivot.VerticesBeyond.Count == 0)
         {
             FindBeyondVertices(face, oldFace.VerticesBeyond);
         }
         else if (pivot.VerticesBeyond.Count < oldFace.VerticesBeyond.Count)
         {
             FindBeyondVertices(face, pivot.VerticesBeyond, oldFace.VerticesBeyond);
         }
         else
         {
             FindBeyondVertices(face, oldFace.VerticesBeyond, pivot.VerticesBeyond);
         }
         if (face.VerticesBeyond.Count == 0)
         {
             ConvexFaces.Add(face.Index);
             UnprocessedFaces.Remove(face);
             ObjectManager.DepositVertexBuffer(face.VerticesBeyond);
             face.VerticesBeyond = EmptyBuffer;
         }
         else
         {
             UnprocessedFaces.Add(face);
         }
         ObjectManager.DepositDeferredFace(deferredFace);
     }
     for (int k = 0; k < AffectedFaceBuffer.Count; k++)
     {
         int num = AffectedFaceBuffer[k];
         UnprocessedFaces.Remove(FacePool[num]);
         ObjectManager.DepositFace(num);
     }
 }
Exemple #3
0
        /// <summary>
        /// Commits a cone and adds a vertex to the convex hull.
        /// </summary>
        void CommitCone()
        {
            // Add the current vertex.
            ConvexHull.Add(CurrentVertex);

            // Fill the adjacency.
            for (int i = 0; i < ConeFaceBuffer.Count; i++)
            {
                var face = ConeFaceBuffer[i];

                var newFace           = face.Face;
                var adjacentFace      = face.Pivot;
                var oldFace           = face.OldFace;
                var orderedPivotIndex = face.FaceIndex;

                newFace.AdjacentFaces[orderedPivotIndex]    = adjacentFace;
                adjacentFace.AdjacentFaces[face.PivotIndex] = newFace;

                // let there be a connection.
                for (int j = 0; j < Dimension; j++)
                {
                    if (j == orderedPivotIndex)
                    {
                        continue;
                    }
                    var connector = ObjectManager.GetConnector();
                    connector.Update(newFace, j, Dimension);
                    ConnectFace(connector);
                }

                // This could slightly help...
                if (adjacentFace.VerticesBeyond.Count < oldFace.VerticesBeyond.Count)
                {
                    FindBeyondVertices(newFace, adjacentFace.VerticesBeyond, oldFace.VerticesBeyond);
                }
                else
                {
                    FindBeyondVertices(newFace, oldFace.VerticesBeyond, adjacentFace.VerticesBeyond);
                }

                // This face will definitely lie on the hull
                if (newFace.VerticesBeyond.Count == 0)
                {
                    ConvexFaces.Add(newFace);
                    UnprocessedFaces.Remove(newFace);
                    ObjectManager.DepositVertexBuffer(newFace.VerticesBeyond);
                    newFace.VerticesBeyond = EmptyBuffer;
                }
                else // Add the face to the list
                {
                    UnprocessedFaces.Add(newFace);
                }

                // recycle the object.
                ObjectManager.DepositDeferredFace(face);
            }

            // Recycle the affected faces.
            for (int fIndex = 0; fIndex < AffectedFaceBuffer.Count; fIndex++)
            {
                var face = AffectedFaceBuffer[fIndex];
                UnprocessedFaces.Remove(face);
                ObjectManager.DepositFace(face);
            }
        }