示例#1
0
//----------------------------------------------------------------------------
ConvexClipper::ConvexClipper (const ConvexPolyhedron& rkPoly, Real fEpsilon)
{
    m_fEpsilon = fEpsilon;

    const vector<Vector3>& rakPoint = rkPoly.GetPoints();
    int iVQuantity = rkPoly.GetVQuantity();
    m_akVertex.resize(iVQuantity);
    for (int iV = 0; iV < iVQuantity; iV++)
        m_akVertex[iV].m_kPoint = rakPoint[iV];

    int iEQuantity = rkPoly.GetEQuantity();
    m_akEdge.resize(iEQuantity);
    for (int iE = 0; iE < iEQuantity; iE++)
    {
        const MTEdge& rkE = rkPoly.GetEdge(iE);
        for (int i = 0; i < 2; i++)
        {
            m_akEdge[iE].m_aiVertex[i] = rkPoly.GetVLabel(rkE.GetVertex(i));
            m_akEdge[iE].m_aiFace[i] = rkE.GetTriangle(i);
        }
    }

    int iTQuantity = rkPoly.GetTQuantity();
    m_akFace.resize(iTQuantity);
    for (int iT = 0; iT < iTQuantity; iT++)
    {
        m_akFace[iT].m_kPlane = rkPoly.GetPlane(iT);

        const MTTriangle& rkT = rkPoly.GetTriangle(iT);
        for (int i = 0; i < 3; i++)
            m_akFace[iT].m_akEdge.insert(rkT.GetEdge(i));
    }
}
示例#2
0
ConvexClipper<Real>::ConvexClipper (const ConvexPolyhedron<Real>& polyhedron,
    Real epsilon)
    :
    mEpsilon(epsilon)
{
    const std::vector<Vector3<Real> >& points = polyhedron.GetPoints();
    int numVertices = polyhedron.GetNumVertices();
    mVertices.resize(numVertices);
    for (int v = 0; v < numVertices; ++v)
    {
        mVertices[v].Point = points[v];
    }

    int numEdges = polyhedron.GetNumEdges();
    mEdges.resize(numEdges);
    for (int e = 0; e < numEdges; ++e)
    {
        const MTEdge& edge = polyhedron.GetEdge(e);
        for (int i = 0; i < 2; ++i)
        {
            mEdges[e].Vertex[i] = polyhedron.GetVLabel(edge.GetVertex(i));
            mEdges[e].Face[i] = edge.GetTriangle(i);
        }
    }

    int numTriangles = polyhedron.GetNumTriangles();
    mFaces.resize(numTriangles);
    for (int t = 0; t < numTriangles; ++t)
    {
        mFaces[t].Plane = polyhedron.GetPlane(t);
        const MTTriangle& triangle = polyhedron.GetTriangle(t);
        for (int i = 0; i < 3; ++i)
        {
            mFaces[t].Edges.insert(triangle.GetEdge(i));
        }
    }
}