/// Appends another path at the end of this one
public Path appendPath(Path other) {
//mPoints.insert(mPoints.end(), other.mPoints.begin(), other.mPoints.end());
mPoints.AddRange(other.mPoints.ToArray());
return this;
}
/// Converts the shape to a path, with Y=0
//-----------------------------------------------------------------------
//
//ORIGINAL LINE: Path convertToPath() const
public Path convertToPath() {
Path p = new Path();
//for (List<Vector2>.Enumerator it = mPoints.GetEnumerator(); it.MoveNext(); ++it)
foreach (var it in mPoints) {
p.addPoint(it.x, 0, it.y);
}
if (mClosed)
p.close();
return p;
}
public MultiPath addPath(Path path) {
mPaths.push_back(path);
return this;
}
public void buildFromSegmentSoup(std_vector<Segment3D> segList, ref std_vector<Path> @out)
{
//typedef std::multimap<Vector3, Vector3, Vector3Comparator> Vec3MultiMap;
//Vec3MultiMap segs;
std_multimap<Vector3,Vector3>segs=new std_multimap<Vector3,Vector3>(new Vector3Comparator());
// for (std::vector<Segment3D>::const_iterator it = segList.begin(); it != segList.end(); ++it)
foreach(var it in segList)
{
//segs.insert(std::pair<Vector3, Vector3 > (it->mA, it->mB));
//segs.insert(std::pair<Vector3, Vector3 > (it->mB, it->mA));
segs.insert(it.mA,it.mB);
segs.insert(it.mB,it.mA);
}
while (!segs.empty())
{
Vector3 headFirst = segs.get(0).first;//segs.begin()->first;
Vector3 headSecond = segs.get(0).second[0];//segs.begin()->second;
Path p=new Path();
p.addPoint(headFirst).addPoint(headSecond);
//Vec3MultiMap::iterator firstSeg = segs.begin();
int firstSeg_pos=segs.begin();
Vector3 firstSeg=segs.get(0).first;
//std::pair<Vec3MultiMap::iterator, Vec3MultiMap::iterator> correspondants2 = segs.equal_range(headSecond);
std_pair<std_pair<Vector3,List<Vector3>>,std_pair<Vector3,List<Vector3>>> correspondants2 = segs.equal_range(headSecond);
//for (Vec3MultiMap::iterator it = correspondants2.first; it != correspondants2.second;)
for(int i=correspondants2.first.second.Count-1;i>=0;i--)
{
// Vec3MultiMap::iterator removeIt = it++;
Vector3 removeIt=correspondants2.first.second[i];
//if ((removeIt->second - firstSeg->first).squaredLength() < 1e-8)
if((removeIt-firstSeg).SquaredLength<1e-8)
segs.erase(removeIt);
}
segs.erase(firstSeg);
bool foundSomething = true;
while (!segs.empty() && foundSomething)
{
foundSomething = false;
//Vec3MultiMap::iterator next = segs.find(headSecond);
int next_pos = segs.find(headSecond);
//if (next != segs.end())
if(next_pos!=-1)
{
std_pair<Vector3,List<Vector3>>next=segs.get((uint)next_pos);
foundSomething = true;
headSecond = next.second[0];
p.addPoint(headSecond);
//std::pair<Vec3MultiMap::iterator, Vec3MultiMap::iterator> correspondants = segs.equal_range(headSecond);
std_pair<std_pair<Vector3,List<Vector3>>,std_pair<Vector3,List<Vector3>>>correspondants = segs.equal_range(headSecond);
//for (Vec3MultiMap::iterator it = correspondants.first; it != correspondants.second;)
for (int i = correspondants.first.second.Count - 1; i >= 0;i-- ) {
//Vec3MultiMap::iterator removeIt = it++;
Vector3 removeIt = correspondants.first.second[i];
//if ((removeIt->second - next->first).squaredLength() < 1e-8)
if ((removeIt - next.first).SquaredLength < 1e-8)
segs.erase(removeIt);
}
//segs.erase(next);
segs.erase(next.first);
}
//Vec3MultiMap::iterator previous = segs.find(headFirst);
int previous_pos=segs.find(headFirst);
//if (previous != segs.end())
if(previous_pos!=-1)
{
std_pair<Vector3, List<Vector3>> previous = segs.get((uint)previous_pos);
foundSomething = true;
//p.insertPoint(0, previous.second);
p.insertPoint(0, previous.second[0]);//???
headFirst = previous.second[0];
//std::pair<Vec3MultiMap::iterator, Vec3MultiMap::iterator> correspondants = segs.equal_range(headFirst);
std_pair<std_pair<Vector3,List<Vector3>>,std_pair<Vector3,List<Vector3>>>correspondants = segs.equal_range(headFirst);
//for (Vec3MultiMap::iterator it = correspondants.first; it != correspondants.second;)
for(int i=correspondants.first.second.Count-1;i>=0;i--)
{
//Vec3MultiMap::iterator removeIt = it++;
Vector3 removeIt=correspondants.first.second[i];
//if ((removeIt->second - previous->first).squaredLength() < 1e-8)
if((removeIt-previous.first).SquaredLength<1e-8)
segs.erase(removeIt);
}
//segs.erase(previous);
segs.erase(previous.first);
}
}
if ((p.getPoint(0)-p.getPoint(p.getSegCount() + 1)).SquaredLength < 1e-6)
{
p.getPointsReference().pop_back();
p.close();
}
@out.push_back(p);
}
}
/// Extracts a part of the shape as a new path
/// @param first first index to be in the new path
/// @param last last index to be in the new path
public Path extractSubPath(int first, int last) {//提取 抽出 抽取
Path p = new Path();
for (int i = first; i < last; i++) {
p.addPoint(mPoints[i]);
}
if (mClosed) {
p.close();
}
return p;
}
/// Creates a path with the keys of this path and extra keys coming from a track
//
//ORIGINAL LINE: Path mergeKeysWithTrack(const Track& track) const
public Path mergeKeysWithTrack(Track track) {
if (!track.isInsertPoint() || track.getAddressingMode() == Track.AddressingMode.AM_POINT)
return this;
float totalLength = getTotalLength();
float lineicPos = 0;
float pathLineicPos = 0;
Path outputPath = new Path();
outputPath.addPoint(getPoint(0));
for (int i = 1; i < mPoints.size(); ) {
float nextLineicPos = pathLineicPos + (mPoints[i] - mPoints[i - 1]).Length;
std_pair<float, float> it = track._getKeyValueAfter(lineicPos, lineicPos / totalLength, (uint)(i - 1));
float nextTrackPos = it.first;
if (track.getAddressingMode() == Track.AddressingMode.AM_RELATIVE_LINEIC)
nextTrackPos *= totalLength;
// Adds the closest point to the curve, being either from the path or the track
if (nextLineicPos <= nextTrackPos || lineicPos >= nextTrackPos) {
outputPath.addPoint(mPoints[i]);
i++;
lineicPos = nextLineicPos;
pathLineicPos = nextLineicPos;
}
else {
outputPath.addPoint(getPosition(i - 1, (nextTrackPos - pathLineicPos) / (nextLineicPos - pathLineicPos)));
lineicPos = nextTrackPos;
}
}
return outputPath;
}
///<summary>
/// Appends another path at the end of this one, relative to the last point of this path
///</summary>
public Path appendPathRel(Path other) {
if (mPoints.empty())
appendPath(other);
else {
Vector3 refVector = mPoints[mPoints.Count - 1]; //*(mPoints.end()-1);
Vector3[] pointList = (other.mPoints.ToArray());
//for (List<Vector3>.Enumerator it = pointList.GetEnumerator(); it.MoveNext(); ++it)
// it.Current += refVector;
for (int i = 0; i < pointList.Length; i++) {
pointList[i] += refVector;
}
//mPoints.insert(mPoints.end(), pointList.begin(), pointList.end());
mPoints.AddRange(pointList);
}
return this;
}