Smooth

void CDXSmoothStroke::Update(CDXStroke::Info * info, CDXMeshVert* pVertices, CDXMeshIndex* pIndices)
{
    CDXVec3 newPos = CDXVec3(0, 0, 0);

    UInt32 totalCount = 0;
    m_mesh->VisitAdjacencies(info->index, [&](CDXMeshFace & face)
    {
        CDXMeshIndex m1 = face.v1;
        if (m1 >= m_mesh->GetVertexCount())
            return false;

        CDXMeshIndex m2 = face.v2;
        if (m2 >= m_mesh->GetVertexCount())
            return false;

        CDXMeshIndex m3 = face.v3;
        if (m3 >= m_mesh->GetVertexCount())
            return false;

        CDXVec3 sum = pVertices[m1].Position + pVertices[m2].Position + pVertices[m3].Position;
        newPos += sum / 3;
        totalCount++;
        return false;
    });

    newPos /= totalCount;

    CDXVec3 difference = newPos - pVertices[info->index].Position;

    m_current.insert(CDXVectorPair(info->index, CDXVec3(0,0,0)));
    m_current[info->index] += difference;
    pVertices[info->index].Position += difference;

}