//-----------------------------------------------------------------------
/// <summary>
/// 查找交集
/// </summary>
public void _calcIntersections()
{
mIntersectionsMap.Clear();
mIntersections.Clear();
//std::map<Ogre::Vector3, PathIntersection, Vector3Comparator> pointSet;
std_map <Vector3, std_vector <PathCoordinate> > pointSet = new std_map <Vector3, std_vector <PathCoordinate> >(new Vector3Comparator());
// for (std::vector<Path>::iterator it = mPaths.begin(); it!= mPaths.end(); ++it)
uint it_index = 0;
foreach (var it in mPaths)
{
uint it_point_index = 0;
//for (std::vector<Ogre::Vector3>::const_iterator it2 = it->getPoints().begin(); it2 != it->getPoints().end(); ++it2)
foreach (var it2 in it._getPoints())
{
//PathCoordinate pc(it-mPaths.begin(), it2-it->getPoints().begin());
PathCoordinate pc = new PathCoordinate(it_index, it_point_index);
//if (pointSet.find(*it2)==pointSet.end())
if (!pointSet.ContainsKey(it2))
{
std_vector <PathCoordinate> pi = new std_vector <PathCoordinate>();
pi.Add(pc);
//pointSet[it2] = pi;
pointSet.Add(it2, pi);
}
else
{
pointSet[it2].push_back(pc);
}
it_point_index++;
}
it_index++;
}
//for (std::map<Ogre::Vector3, PathIntersection, Vector3Comparator>::iterator it = pointSet.begin(); it != pointSet.end(); ++it)
foreach (var it_ps in pointSet)
{
if (it_ps.Value.size() > 1)
{
foreach (var it2 in it_ps.Value)
{
//mIntersectionsMap[*it2] = it->second;
if (mIntersectionsMap.ContainsKey(it2))
{
mIntersectionsMap[it2] = it_ps.Value;
}
else
{
mIntersectionsMap.Add(it2, it_ps.Value);
}
}
mIntersections.push_back(it_ps.Value);
}
}
//
}
public static void computeCubicHermitePoints(CubicHermiteSplineControlPoint <Real> pointBefore, CubicHermiteSplineControlPoint <Real> pointAfter, uint numSeg, ref std_vector <Real> pointList)
{
Real p0 = pointBefore.position;
Real m0 = pointBefore.tangentAfter;
Real p1 = pointAfter.position;
Real m1 = pointAfter.tangentBefore;
for (uint j = 0; j < numSeg; ++j)
{
float t = (float)j / (float)numSeg;
float t2 = t * t;
float t3 = t2 * t;
Real P = (2 * t3 - 3 * t2 + 1) * p0 + (t3 - 2 * t2 + t) * m0 + (-2 * t3 + 3 * t2) * p1 + (t3 - t2) * m1;
pointList.Add(P);
}
}
//-----------------------------------------------------------------------
/// <summary>
/// 查找交集
/// </summary>
public void _calcIntersections() {
mIntersectionsMap.Clear();
mIntersections.Clear();
//std::map<Ogre::Vector3, PathIntersection, Vector3Comparator> pointSet;
std_map<Vector3, std_vector<PathCoordinate>> pointSet = new std_map<Vector3, std_vector<PathCoordinate>>(new Vector3Comparator());
// for (std::vector<Path>::iterator it = mPaths.begin(); it!= mPaths.end(); ++it)
uint it_index = 0;
foreach (var it in mPaths) {
uint it_point_index = 0;
//for (std::vector<Ogre::Vector3>::const_iterator it2 = it->getPoints().begin(); it2 != it->getPoints().end(); ++it2)
foreach (var it2 in it._getPoints()) {
//PathCoordinate pc(it-mPaths.begin(), it2-it->getPoints().begin());
PathCoordinate pc = new PathCoordinate(it_index, it_point_index);
//if (pointSet.find(*it2)==pointSet.end())
if (!pointSet.ContainsKey(it2)) {
std_vector<PathCoordinate> pi = new std_vector<PathCoordinate>();
pi.Add(pc);
//pointSet[it2] = pi;
pointSet.Add(it2, pi);
}
else {
pointSet[it2].push_back(pc);
}
it_point_index++;
}
it_index++;
}
//for (std::map<Ogre::Vector3, PathIntersection, Vector3Comparator>::iterator it = pointSet.begin(); it != pointSet.end(); ++it)
foreach (var it_ps in pointSet) {
if (it_ps.Value.size() > 1) {
foreach (var it2 in it_ps.Value) {
//mIntersectionsMap[*it2] = it->second;
if (mIntersectionsMap.ContainsKey(it2)) {
mIntersectionsMap[it2] = it_ps.Value;
}
else {
mIntersectionsMap.Add(it2, it_ps.Value);
}
}
mIntersections.push_back(it_ps.Value);
}
}
//
}
