//----------------------------------------------------------------------------
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));
}
}
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));
}
}
}
