// *
// * Determines whether the outside as defined by user equals "real" outside
//
//-----------------------------------------------------------------------
//
//ORIGINAL LINE: bool isOutsideRealOutside() const
public bool isOutsideRealOutside()
{
float x = float.MinValue;//std.numeric_limits<float>.min();
int index = 0;
int shapeIndex = 0;
for (int j = 0; j < mShapes.size(); j++)
{
Shape s = mShapes[j];
std_vector <Vector2> points = s.getPointsReference();
for (int i = 0; i < points.Count; i++)
{
if (x < points[i].x)
{
x = points[i].x;
index = i;
shapeIndex = j;
}
}
}
Radian alpha1 = Utils.angleTo(Vector2.UNIT_Y, mShapes[shapeIndex].getDirectionAfter((uint)index));
Radian alpha2 = Utils.angleTo(Vector2.UNIT_Y, -mShapes[shapeIndex].getDirectionBefore((uint)index));
Side shapeSide;
if (alpha1 < alpha2)
{
shapeSide = Side.SIDE_RIGHT;
}
else
{
shapeSide = Side.SIDE_LEFT;
}
return(shapeSide == mShapes[shapeIndex].getOutSide());
}
//-----------------------------------------------------------------------
public static void _buildTriLookup(ref TriLookup lookup, TriangleBuffer newMesh)
{
std_vector <TriangleBuffer.Vertex> nvec = newMesh.getVertices();
std_vector <int> nind = newMesh.getIndices();
for (int i = 0; i < (int)nind.Count / 3; i++)
{
lookup.insert(new Segment3D(nvec[nind[i * 3]].mPosition, nvec[nind[i * 3 + 1]].mPosition).orderedCopy(), i);
lookup.insert(new KeyValuePair <Segment3D, int>(new Segment3D(nvec[nind[i * 3]].mPosition, nvec[nind[i * 3 + 2]].mPosition).orderedCopy(), i));
lookup.insert(new KeyValuePair <Segment3D, int>(new Segment3D(nvec[nind[i * 3 + 1]].mPosition, nvec[nind[i * 3 + 2]].mPosition).orderedCopy(), i));
}
}
/// Builds an aggregated list of all points contained in all shapes
//-----------------------------------------------------------------------
//
//ORIGINAL LINE: List<Vector2> getPoints() const
public std_vector <Vector2> getPoints()
{
std_vector <Vector2> result = new std_vector <Vector2>();
for (int i = 0; i < mShapes.Count; i++)
{
Vector2[] points = mShapes[i].getPoints();
//
//result.insert(result.end(), points.GetEnumerator(), points.end());
result.AddRange(points);
}
return(result);
}
//-----------------------------------------------------------------------
//
//ORIGINAL LINE: MultiShape _booleanOperation(const Shape& STLAllocator<U, AllocPolicy>, BooleanOperationType opType) const
private MultiShape _booleanOperation(Shape other, BooleanOperationType opType) {
if (!mClosed || mPoints.size() < 2)
OGRE_EXCEPT("Ogre::Exception::ERR_INVALID_STATE", "Current shapes must be closed and has to contain at least 2 points!", "Procedural::Shape::_booleanOperation(const Procedural::Shape&, Procedural::BooleanOperationType)");
if (!other.mClosed || other.mPoints.size() < 2)
OGRE_EXCEPT("Ogre::Exception::ERR_INVALIDPARAMS", "Other shapes must be closed and has to contain at least 2 points!", "Procedural::Shape::_booleanOperation(const Procedural::Shape&, Procedural::BooleanOperationType)");
;
// Compute the intersection between the 2 shapes
std_vector<IntersectionInShape> intersections = new std_vector<IntersectionInShape>();
_findAllIntersections(other, ref intersections);
// Build the resulting shape
if (intersections.empty()) {
if (isPointInside(other.getPoint(0))) {
// Shape B is completely inside shape A
if (opType == BooleanOperationType.BOT_UNION) {
MultiShape ms = new MultiShape();
ms.addShape(this);
return ms;
}
else if (opType == BooleanOperationType.BOT_INTERSECTION) {
MultiShape ms = new MultiShape();
ms.addShape(other);
return ms;
}
else if (opType == BooleanOperationType.BOT_DIFFERENCE) {
MultiShape ms = new MultiShape();
ms.addShape(this);
ms.addShape(other);
ms.getShape(1).switchSide();
return ms;
}
}
else if (other.isPointInside(getPoint(0))) {
// Shape A is completely inside shape B
if (opType == BooleanOperationType.BOT_UNION) {
MultiShape ms = new MultiShape();
ms.addShape(other);
return ms;
}
else if (opType == BooleanOperationType.BOT_INTERSECTION) {
MultiShape ms = new MultiShape();
ms.addShape(this);
return ms;
}
else if (opType == BooleanOperationType.BOT_DIFFERENCE) {
MultiShape ms = new MultiShape();
ms.addShape(this);
ms.addShape(other);
ms.getShape(0).switchSide();
return ms;
}
}
else {
if (opType == BooleanOperationType.BOT_UNION) {
MultiShape ms = new MultiShape();
ms.addShape(this);
ms.addShape(other);
return ms;
}
else if (opType == BooleanOperationType.BOT_INTERSECTION)
return new MultiShape(); //empty result
else if (opType == BooleanOperationType.BOT_DIFFERENCE)
return new MultiShape(); //empty result
}
}
MultiShape outputMultiShape = new MultiShape();
Shape[] inputShapes = new Shape[2];
inputShapes[0] = this;
inputShapes[1] = other;
while (!intersections.empty()) {
Shape outputShape = new Shape();
byte shapeSelector = 0; // 0 : first shape, 1 : second shape
Vector2 currentPosition = intersections[0].position;//intersections.GetEnumerator().position;
IntersectionInShape firstIntersection = intersections[0];//*intersections.GetEnumerator();
uint currentSegment = firstIntersection.index[shapeSelector];
//C++ TO C# CONVERTER TODO TASK: There is no direct equivalent to the STL vector 'erase' method in C#:
//intersections.erase(intersections.GetEnumerator());//ÒƳý
intersections.erase(firstIntersection, true);
outputShape.addPoint(currentPosition);
sbyte isIncreasing = 0; // +1 if increasing, -1 if decreasing, 0 if undefined
if (!_findWhereToGo(inputShapes, opType, firstIntersection, ref shapeSelector, ref isIncreasing, ref currentSegment)) {
// That intersection is located on a place where the resulting shape won't go => discard
continue;
}
while (true) {
// find the closest intersection on the same segment, in the correct direction
//List<IntersectionInShape>.Enumerator found_next_intersection = intersections.end();
IntersectionInShape found_next_intersection = intersections[intersections.Count - 1];
int found_next_intersection_pos = -1;
float distanceToNextIntersection = float.MaxValue;// std.numeric_limits<Real>.max();
uint nextPoint = currentSegment + (uint)(isIncreasing == 1 ? 1 : 0);
bool nextPointIsOnIntersection = false;
//for (List<IntersectionInShape>.Enumerator it = intersections.GetEnumerator(); it.MoveNext(); ++it)
for (int i = 0; i < intersections.Count; i++) {
IntersectionInShape it = intersections[i];
if (currentSegment == it.index[shapeSelector]) {
if (((it.position - currentPosition).DotProduct(it.position - inputShapes[shapeSelector].getPoint((int)nextPoint)) < 0f) || (it.onVertex[shapeSelector] && nextPoint == it.index[shapeSelector])) {
// found an intersection between the current one and the next segment point
float d = (it.position - currentPosition).Length;
if (d < distanceToNextIntersection) {
// check if we have the nearest intersection
found_next_intersection = it;
found_next_intersection_pos = i;
distanceToNextIntersection = d;
}
}
}
if (nextPoint == it.index[shapeSelector] && it.onVertex[shapeSelector])
nextPointIsOnIntersection = true;
}
// stop condition
if (currentSegment == firstIntersection.index[shapeSelector]) {
// we found ourselves on the same segment as the first intersection and no other
if ((firstIntersection.position - currentPosition).DotProduct(firstIntersection.position - inputShapes[shapeSelector].getPoint((int)nextPoint)) < 0f) {
float d = (firstIntersection.position - currentPosition).Length;
if (d > 0.0f && d < distanceToNextIntersection) {
outputShape.close();
break;
}
}
}
// We actually found the next intersection => change direction and add current intersection to the list
//if (found_next_intersection.MoveNext())
//if (intersections.Count > 1) {
if (found_next_intersection_pos != -1) {
//IntersectionInShape currentIntersection = found_next_intersection.Current;
IntersectionInShape currentIntersection = found_next_intersection;
intersections.erase(found_next_intersection, true);
//IntersectionInShape currentIntersection = intersections[intersections.Count - 1];
outputShape.addPoint(currentIntersection.position);
bool result = _findWhereToGo(inputShapes, opType, currentIntersection, ref shapeSelector, ref isIncreasing, ref currentSegment);
if (result == null) {
OGRE_EXCEPT("Ogre::Exception::ERR_INTERNAL_ERROR", "We should not be here!", "Procedural::Shape::_booleanOperation(const Procedural::Shape&, Procedural::BooleanOperationType)");
;
}
}
else {
// no intersection found for the moment => just continue on the current segment
if (!nextPointIsOnIntersection) {
if (isIncreasing == 1)
currentPosition = inputShapes[shapeSelector].getPoint((int)currentSegment + 1);
else
currentPosition = inputShapes[shapeSelector].getPoint((int)currentSegment);
outputShape.addPoint(currentPosition);
}
currentSegment = (uint)Utils.modulo((int)currentSegment + isIncreasing, inputShapes[shapeSelector].getSegCount());
}
}
outputMultiShape.addShape(outputShape);
}
return outputMultiShape;
}
public Shape addPointRel(std_vector<Vector2> pointList) {
if (mPoints.Count == 0) {
mPoints.AddRange(pointList.ToArray());
}
else {
Vector2 refVector = mPoints[mPoints.size() - 1];
foreach (var it in pointList) {
addPoint(it + refVector);
}
}
return this;
}
//-----------------------------------------------------------------------
//
//ORIGINAL LINE: void _findAllIntersections(const Shape& STLAllocator<U, AllocPolicy>, List<IntersectionInShape>& intersections) const
private void _findAllIntersections(Shape other, ref std_vector<IntersectionInShape> intersections) {
for (ushort i = 0; i < getSegCount(); i++) {
Segment2D seg1 = new Segment2D(getPoint(i), getPoint(i + 1));
for (ushort j = 0; j < other.getSegCount(); j++) {
Segment2D seg2 = new Segment2D(other.getPoint(j), other.getPoint(j + 1));
Vector2 intersect = new Vector2();
if (seg1.findIntersect(seg2, ref intersect)) {
IntersectionInShape inter = new IntersectionInShape(i, j, intersect);
// check if intersection is "borderline" : too near to a vertex
if ((seg1.mA - intersect).SquaredLength < 1e-8) {
inter.onVertex[0] = true;
}
if ((seg1.mB - intersect).SquaredLength < 1e-8) {
inter.onVertex[0] = true;
inter.index[0]++;
}
if ((seg2.mA - intersect).SquaredLength < 1e-8) {
inter.onVertex[1] = true;
}
if ((seg2.mB - intersect).SquaredLength < 1e-8) {
inter.onVertex[1] = true;
inter.index[1]++;
}
intersections.push_back(inter);
}
}
}
}
//
//ORIGINAL LINE: List<std::pair<uint, uint> > getNoIntersectionParts(uint pathIndex) const
/// <summary>
/// 获取非交集
/// </summary>
/// <param name="pathIndex"></param>
/// <returns></returns>
public std_vector<std_pair<uint, uint>> getNoIntersectionParts(uint pathIndex) {
Path path = mPaths[(int)pathIndex];
std_vector<std_pair<uint, uint>> result = new std_vector<std_pair<uint, uint>>();
std_vector<int> intersections = new std_vector<int>();
//for (std.map<PathCoordinate, List<PathCoordinate>>.Enumerator it = mIntersectionsMap.begin(); it != mIntersectionsMap.end(); ++it) {
foreach (var it in mIntersectionsMap) {
if (it.Key.pathIndex == pathIndex) {
intersections.push_back((int)it.Key.pointIndex);
}
}
//std.sort(intersections.GetEnumerator(), intersections.end());
intersections.Sort((x, y) => {
return x - y;//正序排序(重写int比较器，|x|>|y|返回正数，|x|=|y|返回0，|x|<|y|返回负数)
});
//Array.Sort(intersections.ToArray());
int begin = 0;
//for (std::vector<int>::iterator it = intersections.begin(); it!= intersections.end(); ++it)
//{
// if (*it-1>begin)
// result.push_back(std::pair<unsigned int, unsigned int>(begin, *it-1));
// begin = *it+1;
//}
//if (path.getSegCount() > begin)
// result.push_back(std::pair<unsigned int, unsigned int>(begin, path.getSegCount()));
//for (List<int>.Enumerator it = intersections.GetEnumerator(); it.MoveNext(); ++it)
foreach (var it in intersections) {
if (it - 1 > begin)
result.push_back(new std_pair<uint, uint>((uint)begin, (uint)it - 1));
begin = it + 1;
}
if (path.getSegCount() > begin)
result.push_back(new std_pair<uint, uint>((uint)begin, (uint)path.getSegCount()));
return result;
}
//-----------------------------------------------------------------------
/// <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 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);
}
}
//std_vector<std::string> split(const std::string& str, const std::string& delimiters, bool removeEmpty = true);
std_vector<string> split(string str, string delimiters, bool removeEmpty) {
std_vector<string> tokens = new std_vector<string>();
//std::string::size_type delimPos = 0, tokenPos = 0, pos = 0;
//int delimPos = 0, tokenPos = 0, pos = 0;
//if (str.empty()) return tokens;
if (string.IsNullOrEmpty(str)) return tokens;
string[] strsplits = str.Split(delimiters.ToCharArray());
foreach (var v in strsplits) {
if (removeEmpty) {
if (!string.IsNullOrEmpty(v)) {
tokens.push_back(v);
}
}
else {
tokens.push_back(v);
}
}
//while (true)
//{
// delimPos = str.find_first_of(delimiters, pos);
// tokenPos = str.find_first_not_of(delimiters, pos);
// if (std::string::npos != delimPos)
// {
// if (std::string::npos != tokenPos)
// {
// if (tokenPos < delimPos)
// tokens.push_back(str.substr(pos,delimPos-pos));
// else
// {
// if (!removeEmpty) tokens.push_back("");
// }
// }
// else
// {
// if (!removeEmpty) tokens.push_back("");
// }
// pos = delimPos+1;
// }
// else
// {
// if (std::string::npos != tokenPos)
// tokens.push_back(str.substr(pos));
// else
// {
// if (!removeEmpty) tokens.push_back("");
// }
// break;
// }
//}
return tokens;
}
// SvgLoaderPath(std::vector<std::string> p, unsigned int ns);
public SvgLoaderPath(std_vector<string> p, uint ns) {
parts = p;
mNumSeg = ns;
px = 0.0f;
py = 0.0f;
index = 0;
char lastCmd = (char)0;
while (index < p.Count) {
try {
char newCmd = parts[index][0];
bool next = true;
if (lastCmd != newCmd && newCmd != '.' && newCmd != '-' && (newCmd < '0' || newCmd > '9') && curve.size() > 3 && ((lastCmd == 'c' || lastCmd == 'C') && (newCmd == 's' || newCmd == 'S') || (lastCmd == 'q' || lastCmd == 'Q') && (newCmd == 't' || newCmd == 'T'))) {
// finish curve
finishCurve(lastCmd);
}
switch (newCmd) {
case 'l':
parseLineTo(true, next);
break;
case 'L':
parseLineTo(false, next);
break;
case 'm':
parseMoveTo(true, next);
newCmd = 'l';
break;
case 'M':
parseMoveTo(false, next);
newCmd = 'L';
break;
case 'h':
parseHLineTo(true, next);
break;
case 'H':
parseHLineTo(false, next);
break;
case 'v':
parseVLineTo(true, next);
break;
case 'V':
parseVLineTo(false, next);
break;
case 'c':
curve.push_back(point);
parseCurveCTo(true, next);
break;
case 'C':
curve.push_back(point);
parseCurveCTo(false, next);
break;
case 's':
parseCurveSTo(true, next);
break;
case 'S':
parseCurveSTo(false, next);
break;
case 'q':
curve.push_back(point);
parseCurveQTo(true, next);
break;
case 'Q':
curve.push_back(point);
parseCurveQTo(false, next);
break;
case 't':
parseCurveTTo(true, next);
break;
case 'T':
parseCurveTTo(false, next);
break;
case 'a':
parseArcTo(true, next);
break;
case 'A':
parseArcTo(false, next);
break;
case 'z':
case 'Z':
shape.close();
index++;
break;
default:
newCmd = lastCmd;
next = false;
switch (lastCmd) {
case 'l':
parseLineTo(true, next);
break;
case 'L':
parseLineTo(false, next);
break;
case 'm':
parseMoveTo(true, next);
break;
case 'M':
parseMoveTo(false, next);
break;
case 'h':
parseHLineTo(true, next);
break;
case 'H':
parseHLineTo(false, next);
break;
case 'v':
parseVLineTo(true, next);
break;
case 'V':
parseVLineTo(false, next);
break;
case 'c':
parseCurveCTo(true, next);
break;
case 'C':
parseCurveCTo(false, next);
break;
case 's':
parseCurveSTo(true, next);
break;
case 'S':
parseCurveSTo(false, next);
break;
case 'q':
parseCurveQTo(true, next);
break;
case 'Q':
parseCurveQTo(false, next);
break;
case 't':
parseCurveTTo(true, next);
break;
case 'T':
parseCurveTTo(false, next);
break;
case 'a':
parseArcTo(true, next);
break;
case 'A':
parseArcTo(false, next);
break;
default:
break;
}
break;
}
lastCmd = newCmd;
}
catch {
}
}
if (curve.size() > 0)
finishCurve(lastCmd);
}
//--------------------------------------------------------------
public void modify() {
if (mInputTriangleBuffer == null)
OGRE_EXCEPT("Exception::ERR_INVALID_STATE", "Input triangle buffer must be set", "__FUNCTION__");
;
std_vector<TriangleBuffer.Vertex> newVertices = new std_vector<TriangleBuffer.Vertex>();
std_vector<TriangleBuffer.Vertex> originVertices = mInputTriangleBuffer.getVertices();
std_vector<int> originIndices = mInputTriangleBuffer.getIndices();
for (int i = 0; i < originIndices.size(); i += 3) {
newVertices.push_back(originVertices[originIndices[i]]);
newVertices.push_back(originVertices[originIndices[i + 1]]);
newVertices.push_back(originVertices[originIndices[i + 2]]);
}
mInputTriangleBuffer.getVertices().clear();
mInputTriangleBuffer.getVertices().reserve(newVertices.size());
//for (List<TriangleBuffer.Vertex>.Enumerator it = newVertices.GetEnumerator(); it.MoveNext(); ++it)
// mInputTriangleBuffer.getVertices().push_back(it.Current);
foreach (var it in newVertices) {
mInputTriangleBuffer.getVertices().push_back(it);
}
mInputTriangleBuffer.getIndices().clear();
mInputTriangleBuffer.getIndices().reserve(newVertices.size());
for (int i = 0; i < newVertices.size(); i++)
mInputTriangleBuffer.getIndices().push_back(i);
}
//--------------------------------------------------------------
public void modify() {
if (mInputTriangleBuffer == null)
OGRE_EXCEPT("Exception::ERR_INVALID_STATE", "Input triangle buffer must be set", "__FUNCTION__");
;
if (mComputeMode == NormalComputeMode.NCM_TRIANGLE) {
if (mMustWeldUnweldFirst)
new UnweldVerticesModifier().setInputTriangleBuffer(mInputTriangleBuffer).modify();
std_vector<int> indices = mInputTriangleBuffer.getIndices();
std_vector<TriangleBuffer.Vertex> vertices = mInputTriangleBuffer.getVertices();
for (int i = 0; i < indices.size(); i += 3) {
Vector3 v1 = vertices[indices[i]].mPosition;
Vector3 v2 = vertices[indices[i + 1]].mPosition;
Vector3 v3 = vertices[indices[i + 2]].mPosition;
Vector3 n = (v2 - v1).CrossProduct(v3 - v1).NormalisedCopy;
//
//ORIGINAL LINE: vertices[indices[i]].mNormal = n;
vertices[indices[i]].mNormal = (n);
//
//ORIGINAL LINE: vertices[indices[i+1]].mNormal = n;
vertices[indices[i + 1]].mNormal = (n);
//
//ORIGINAL LINE: vertices[indices[i+2]].mNormal = n;
vertices[indices[i + 2]].mNormal = (n);
}
}
else {
if (mMustWeldUnweldFirst)
new WeldVerticesModifier().setInputTriangleBuffer(mInputTriangleBuffer).modify();
std_vector<int> indices = mInputTriangleBuffer.getIndices();
std_vector<TriangleBuffer.Vertex> vertices = mInputTriangleBuffer.getVertices();
std_vector<std_vector<Vector3>> tmpNormals = new std_vector<std_vector<Vector3>>();
tmpNormals.resize(vertices.size());
for (int i = 0; i < indices.size(); i += 3) {
Vector3 v1 = vertices[indices[i]].mPosition;
Vector3 v2 = vertices[indices[i + 1]].mPosition;
Vector3 v3 = vertices[indices[i + 2]].mPosition;
Vector3 n = (v2 - v1).CrossProduct(v3 - v1);
tmpNormals[indices[i]].push_back(n);
tmpNormals[indices[i + 1]].push_back(n);
tmpNormals[indices[i + 2]].push_back(n);
}
for (int i = 0; i < vertices.size(); i++) {
Vector3 n = (Vector3.ZERO);
for (int j = 0; j < tmpNormals[i].size(); j++)
n += tmpNormals[i][j];
vertices[i].mNormal = n.NormalisedCopy;
}
}
}