| public DepositVertexBuffer ( IndexBuffer buffer ) : void | ||
| buffer | IndexBuffer | |
| return | void | |
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);
}
}
/// <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);
}
}
/// <summary>
/// Handles singular vertex.
/// </summary>
private void HandleSingular()
{
SingularVertices.Add(CurrentVertex);
// This means that all the affected faces must be on the hull and that all their "vertices beyond" are singular.
for (var fIndex = 0; fIndex < AffectedFaceBuffer.Count; fIndex++)
{
var face = FacePool[AffectedFaceBuffer[fIndex]];
var vb = face.VerticesBeyond;
for (var i = 0; i < vb.Count; i++)
{
SingularVertices.Add(vb[i]);
}
ConvexFaces.Add(face.Index);
UnprocessedFaces.Remove(face);
ObjectManager.DepositVertexBuffer(face.VerticesBeyond);
face.VerticesBeyond = EmptyBuffer;
}
}
/// <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);
}
}