// *
// * Builds a shape from control points
//
//-----------------------------------------------------------------------
//Shape KochanekBartelsSpline2::realizeShape()
public Shape realizeShape()
{
Shape shape = new Shape();
int numPoints = mClosed ? mPoints.size() : (mPoints.size() - 1);
for (uint i = 0; i < numPoints; ++i)
{
ControlPoint2 P1 = safeGetPoint(i - 1);
ControlPoint2 P2 = safeGetPoint(i);
ControlPoint2 P3 = safeGetPoint(i + 1);
ControlPoint2 P4 = safeGetPoint(i + 2);
std_vector <Vector2> shape_getPointsReference = shape.getPointsReference();
GlobalMembers.computeKochanekBartelsPoints(P1, P2, P3, P4, mNumSeg, ref shape_getPointsReference);
if (i == mPoints.size() - 2 && !mClosed)
{
shape.addPoint(P3.position);
}
}
if (mClosed)
{
shape.close();
}
shape.setOutSide(mOutSide);
return(shape);
}
// *
// * Builds a path from control points
//
//-----------------------------------------------------------------------
public Path realizePath()
{
Path path = new Path();
//Precompute tangents
for (uint i = 0; i < mPoints.size(); ++i)
{
ControlPoint mp = mPoints[(int)i];
GlobalMembers.computeTangents(ref mp, safeGetPoint(i - 1).position, safeGetPoint(i + 1).position);
}
int numPoints = mClosed ? mPoints.size() : (mPoints.size() - 1);
for (int i = 0; i < numPoints; ++i)
{
ControlPoint pointBefore = mPoints[i];
ControlPoint pointAfter = safeGetPoint((uint)i + 1);
std_vector <Vector3> path_getPointsReference = path.getPointsReference();
GlobalMembers.computeCubicHermitePoints(pointBefore, pointAfter, mNumSeg, ref path_getPointsReference);
if (i == mPoints.size() - 2 && !mClosed)
{
path.addPoint(pointAfter.position);
}
}
if (mClosed)
{
path.close();
}
return(path);
}
//--------------------------------------------------------------
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);
}
}
// *
// * Build a shape from bezier control points
// * @exception Ogre::InvalidStateException The curve must at least contain 2 points
//
//-----------------------------------------------------------------------
public Shape realizeShape()
{
if (mPoints.size() < 2)
{
OGRE_EXCEPT("Ogre::Exception::ERR_INVALID_STATE", "The curve must at least contain 2 points", "Procedural::BezierCurve2::realizePath()");
}
;
uint[] coef = new uint[mPoints.size()];
if (mPoints.size() == 2)
{
coef[0] = 1;
coef[1] = 1;
}
else if (mPoints.size() == 3)
{
coef[0] = 1;
coef[1] = 2;
coef[2] = 1;
}
else if (mPoints.size() == 4)
{
coef[0] = 1;
coef[1] = 3;
coef[2] = 3;
coef[3] = 1;
}
else
{
for (uint i = 0; i < mPoints.size(); i++)
{
coef[i] = Utils.binom((uint)mPoints.size() - 1, i);
}
}
uint div = ((uint)mPoints.size() - 1) * mNumSeg + 1;
float dt = 1.0f / (float)div;
Shape shape = new Shape();
float t = 0.0f;
while (t < 1.0f)
{
float x = 0.0f;
float y = 0.0f;
for (int i = 0; i < (int)mPoints.size(); i++)
{
float fac = (float)(coef[i] * System.Math.Pow(t, i) * System.Math.Pow(1.0f - t, (int)mPoints.size() - 1 - i));
x += fac * mPoints[i].x;
y += fac * mPoints[i].y;
}
shape.addPoint(x, y);
t += dt;
}
// delete coef;
coef = null;
return(shape);
}
// *
// * Build a path from Catmull-Rom control points
//
//-----------------------------------------------------------------------
public Path realizePath()
{
Path path = new Path();
int numPoints = mClosed ? mPoints.Count : mPoints.Count - 1;
for (uint i = 0; i < numPoints; ++i)
{
Vector3 P1 = safeGetPoint(i - 1);
Vector3 P2 = safeGetPoint(i);
Vector3 P3 = safeGetPoint(i + 1);
Vector3 P4 = safeGetPoint(i + 2);
std_vector <Vector3> lref = path.getPointsReference();
GlobalMembers.computeCatmullRomPoints(P1, P2, P3, P4, mNumSeg, ref lref);
if (i == mPoints.size() - 2 && !mClosed)
{
path.addPoint(P3);
}
}
if (mClosed)
{
path.close();
}
return(path);
}
// * Safely gets a given point.
// * Takes into account whether the path is closed or not.
// * @param i the index of the point.
// * if it is <0 or >maxPoint, cycle through the list of points
//
//
//ORIGINAL LINE: const Ogre::Vector3& getPoint(int i) const
public Vector3 getPoint(int i)
{
if (mClosed)
{
return(mPoints[Utils.modulo(i, mPoints.size())]);
}
return(mPoints[Utils.cap(i, 0, mPoints.size() - 1)]);
}
// *
// * Build a path from bezier control points
// * @exception Ogre::InvalidStateException The curve must at least contain 2 points
//
//-----------------------------------------------------------------------
public Path realizePath()
{
if (mPoints.size() < 2)
{
OGRE_EXCEPT("Ogre::Exception::ERR_INVALID_STATE", "The curve must at least contain 2 points", "Procedural::BezierCurve3::realizePath()");
}
;
uint[] coef = new uint[mPoints.size()];
if (mPoints.size() == 2)
{
coef[0] = 1;
coef[1] = 1;
}
else if (mPoints.size() == 3)
{
coef[0] = 1;
coef[1] = 2;
coef[2] = 1;
}
else if (mPoints.size() == 4)
{
coef[0] = 1;
coef[1] = 3;
coef[2] = 3;
coef[3] = 1;
}
else
{
for (uint i = 0; i < (int)mPoints.Count; i++)
{
coef[i] = Utils.binom((uint)mPoints.Count - 1, i);
}
}
uint div = (uint)(mPoints.Count - 1) * mNumSeg + 1;
float dt = 1.0f / (float)div;
Path path = new Path();
float t = 0.0f;
while (t < 1.0f)
{
float x = 0.0f;
float y = 0.0f;
float z = 0.0f;
for (int i = 0; i < (int)mPoints.size(); i++)
{
float fac = coef[i] * (float)System.Math.Pow(t, i) * (float)System.Math.Pow(1.0f - t, (int)mPoints.Count - 1 - i);
x += fac * mPoints[i].x;
y += fac * mPoints[i].y;
z += fac * mPoints[i].z;
}
path.addPoint(x, y, z);
t += dt;
}
coef = null;
return(path);
}
/// Safely gets a control point
//
//ORIGINAL LINE: inline const CubicHermiteSplineControlPoint<Ogre::Vector2>& safeGetPoint(uint i) const
public CubicHermiteSplineControlPoint <Vector2> safeGetPoint(int i)
{
if (mClosed)
{
return(mPoints[Utils.modulo((int)i, mPoints.size())]);
}
return(mPoints[Utils.cap((int)i, 0, mPoints.size() - 1)]);
}
//-----------------------------------------------------------------------
void parsePolygon(ref MultiShape @out, XmlNode pPolygonNode)
{
//if (pPolygonNode->first_attribute("points"))
if (pPolygonNode.Attributes["points"] != null)
{
//if (pPolygonNode->first_attribute("points")->value_size() < 3) return;
if (string.IsNullOrEmpty(pPolygonNode.Attributes["points"].Value))
{
return;
}
if (pPolygonNode.Attributes["points"].Value.Length < 3)
{
return;
}
string temp = xtrim(pPolygonNode.Attributes["points"].Value);
std_vector <string> pts = split(temp, " ");
if (pts.size() == 0)
{
return;
}
Shape s = new Shape();
for (int i = 0; i < pts.size() - 1; i += 2)
{
s.addPoint(parseReal(pts[i + 0]), parseReal(pts[i + 1]));
}
if (s.getPointsReference().size() == 0)
{
return;
}
s.close();
// if(pPolygonNode->first_attribute("id"))
// ss.id = pPolygonNode->first_attribute("id")->value();
s.translate(getAttribTranslate(pPolygonNode));
@out.addShape(s);
}
}
/// Applies normal inversion on the triangle buffer
public TriangleBuffer invertNormals()
{
foreach (var it in mVertices)
{
it.mNormal = -it.mNormal;
}
for (int i = 0; i < mIndices.size(); ++i)
{
if (i % 3 == 1)
{
//std::swap(mIndices[i], mIndices[i-1]);
list_swap <int>(mIndices, i, i - 1);
}
}
return(this);
}
//-----------------------------------------------------------------------
void parsePath(ref MultiShape @out, XmlNode pPathNode)
{
//if (pPathNode->first_attribute("d"))
if (pPathNode.Attributes["d"] != null)
{
string temp = xtrim(pPathNode.Attributes["d"].Value, " .-0123456789mMlLhHvVcCsSqQtTaAzZ");
std_vector <string> parts = split(temp, " ");
for (int i = 0; i < parts.size(); i++)
{
if (parts[i].Length > 1 && !(parts[i][0] == '-' || ('0' <= parts[i][0] && parts[i][0] <= '9')))
{
parts.insert(parts.begin() + i + 1, parts[i] + 1);
//parts[i].erase(1, parts[i].size());
parts[i] = parts[i].Remove(1);
}
}
SvgLoaderPath sp = new SvgLoaderPath(parts, mNumSeg);
if (!sp.isValid())
{
return;
}
Shape ss = sp.getSvgShape();
Vector2 line = ss.getPoint(1) - ss.getPoint(0);
//Real deg = line.angleBetween(ss.getPoint(2) - ss.getPoint(0)).valueDegrees();
float deg = Utils.angleBetween(line, ss.getPoint(2) - ss.getPoint(0)).ValueDegrees;
if ((0 <= deg && deg <= 180.0f) || (-180.0f <= deg && deg <= 0))
{
ss.setOutSide(Side.SIDE_LEFT);
}
else
{
ss.setOutSide(Side.SIDE_RIGHT);
}
//if(pPathNode->first_attribute("id"))
// ss.id = pPathNode->first_attribute("id")->value();
ss.translate(getAttribTranslate(pPathNode));
@out.addShape(ss);
}
}
// *
// * Builds the mesh into the given TriangleBuffer
// * @param buffer The TriangleBuffer on where to append the mesh.
//
//void addToTriangleBuffer(ref TriangleBuffer& buffer) const;
//-----------------------------------------------------------------------
//void Triangulator::addToTriangleBuffer(TriangleBuffer& buffer) const
public override void addToTriangleBuffer(ref TriangleBuffer buffer)
{
PointList pointList = new std_vector <Vector2>();
std_vector <int> indexBuffer = new std_vector <int>();
triangulate(indexBuffer, pointList);
for (int j = 0; j < pointList.size(); j++)
{
Vector2 vp2 = pointList[j];
Vector3 vp = new Vector3(vp2.x, vp2.y, 0f);
Vector3 normal = -Vector3.UNIT_Z;
addPoint(ref buffer, vp, normal, new Vector2(vp2.x, vp2.y));
}
for (int i = 0; i < indexBuffer.size() / 3; i++)
{
buffer.index(indexBuffer[i * 3]);
buffer.index(indexBuffer[i * 3 + 2]);
buffer.index(indexBuffer[i * 3 + 1]);
}
}
//-----------------------------------------------------------------------
Vector2 getAttribTranslate(XmlNode pNode)
{
//if (pNode->first_attribute("transform"))
if (pNode.Attributes["transform"] != null)
{
string temp = (pNode.Attributes["transform"].Value);
int begin = temp.IndexOf("translate(");//temp.find("translate(");
//if (begin==std::string::npos)
if (begin == -1)
{
return(Vector2.ZERO);
}
begin += 10;
int end = temp.IndexOf(")");//temp.find(")", begin);
//if (end == std::string::npos)
if (end == -1)
{
return(Vector2.ZERO);
}
//std::string temp2 = temp.substr(begin, end-begin);
string temp2 = temp.Substring(begin, end - begin);
//std::vector<std::string> parts = split(xtrim(temp2.c_str()), std::string(" "));
std_vector <string> parts = split(xtrim(temp2), " ");
if (parts.size() == 2)
{
return(new Vector2(parseReal(parts[0]), parseReal(parts[1])));//return Vector2(StringConverter::parseReal(parts[0]), StringConverter::parseReal(parts[1]));
}
else
{
return(Vector2.ZERO);
}
}
else
{
return(Vector2.ZERO);
}
}
//-----------------------------------------------------------------------
public static void _extrudeCapImpl(ref TriangleBuffer buffer, MultiShape multiShapeToExtrude, MultiPath extrusionMultiPath, TrackMap scaleTracks, TrackMap rotationTracks)
{
std_vector <int> indexBuffer = new std_vector <int>();
// PointList pointList;
std_vector <Vector2> pointList = new std_vector <Vector2>();
Triangulator t = new Triangulator();
t.setMultiShapeToTriangulate(multiShapeToExtrude);
t.triangulate(indexBuffer, pointList);
for (uint i = 0; i < extrusionMultiPath.getPathCount(); ++i)
{
Path extrusionPath = extrusionMultiPath.getPath((int)i);
Track scaleTrack = null;
Track rotationTrack = null;
if (scaleTracks.find(i) != -1) // scaleTracks.end())
{
scaleTrack = scaleTracks[i]; //.find(i).second;
}
if (rotationTracks.find(i) != -1) // rotationTracks.end())
{
rotationTrack = rotationTracks[i]; //.find(i).second;
}
//begin cap
//if (extrusionMultiPath.getIntersectionsMap().find(MultiPath.PathCoordinate(i, 0)) == extrusionMultiPath.getIntersectionsMap().end())
if (extrusionMultiPath.getIntersectionsMap().find(new MultiPath.PathCoordinate(i, 0)) == -1)
{
buffer.rebaseOffset();
buffer.estimateIndexCount((uint)indexBuffer.Count);
buffer.estimateVertexCount((uint)pointList.Count);
Quaternion qBegin = Utils._computeQuaternion(extrusionPath.getDirectionAfter(0));
if (rotationTrack != null)
{
float angle = rotationTrack.getFirstValue();
qBegin = qBegin * new Quaternion((Radian)angle, Vector3.UNIT_Z);
}
float scaleBegin = 1.0f;
if (scaleTrack != null)
{
scaleBegin = scaleTrack.getFirstValue();
}
for (int j = 0; j < pointList.size(); j++)
{
Vector2 vp2 = pointList[j];
Vector3 vp = new Vector3(vp2.x, vp2.y, 0);
Vector3 normal = -Vector3.UNIT_Z;
Vector3 newPoint = extrusionPath.getPoint(0) + qBegin * (scaleBegin * vp);
buffer.vertex(newPoint, qBegin * normal, vp2);
}
for (int i2 = 0; i2 < indexBuffer.Count / 3; i2++)
{
buffer.index(indexBuffer[i2 * 3]);
buffer.index(indexBuffer[i2 * 3 + 2]);
buffer.index(indexBuffer[i2 * 3 + 1]);
}
}
//end cap
//if (extrusionMultiPath.getIntersectionsMap().find(MultiPath.PathCoordinate(i, extrusionPath.getSegCount())) == extrusionMultiPath.getIntersectionsMap().end())
if (extrusionMultiPath.getIntersectionsMap().find(new MultiPath.PathCoordinate(i, (uint)extrusionPath.getSegCount())) == -1)
{
buffer.rebaseOffset();
buffer.estimateIndexCount((uint)indexBuffer.Count);
buffer.estimateVertexCount((uint)pointList.Count);
Quaternion qEnd = Utils._computeQuaternion(extrusionPath.getDirectionBefore(extrusionPath.getSegCount()));
if (rotationTrack != null)
{
float angle = rotationTrack.getLastValue();
qEnd = qEnd * new Quaternion((Radian)angle, Vector3.UNIT_Z);
}
float scaleEnd = 1.0f;
if (scaleTrack != null)
{
scaleEnd = scaleTrack.getLastValue();
}
for (int j = 0; j < pointList.Count; j++)
{
Vector2 vp2 = pointList[j];
Vector3 vp = new Vector3(vp2.x, vp2.y, 0f);
//C++ TO C# CONVERTER WARNING: The following line was determined to be a copy constructor call - this should be verified and a copy constructor should be created if it does not yet exist:
//ORIGINAL LINE: Vector3 normal = Vector3::UNIT_Z;
Vector3 normal = (Vector3.UNIT_Z);
Vector3 newPoint = extrusionPath.getPoint(extrusionPath.getSegCount()) + qEnd * (scaleEnd * vp);
buffer.vertex(newPoint, qEnd * normal, vp2);
}
for (int ii = 0; ii < indexBuffer.Count / 3; ii++)
{
buffer.index(indexBuffer[ii * 3]);
buffer.index(indexBuffer[ii * 3 + 1]);
buffer.index(indexBuffer[ii * 3 + 2]);
}
}
}
}
// *
// * Builds the mesh into the given TriangleBuffer
// * @param buffer The TriangleBuffer on where to append the mesh.
//
//
//ORIGINAL LINE: void addToTriangleBuffer(TriangleBuffer& buffer) const
public override void addToTriangleBuffer(ref TriangleBuffer buffer)
{
std_vector <Vector3> vertices = new std_vector <Vector3>();
int offset = 0;
/// Step 1 : Generate icosahedron
float phi = 0.5f * (1.0f + Math.Sqrt(5.0f));
float invnorm = 1f / Math.Sqrt(phi * phi + 1f);
vertices.push_back(invnorm * new Vector3(-1f, phi, 0f)); //0
vertices.push_back(invnorm * new Vector3(1f, phi, 0f)); //1
vertices.push_back(invnorm * new Vector3(0f, 1f, -phi)); //2
vertices.push_back(invnorm * new Vector3(0f, 1f, phi)); //3
vertices.push_back(invnorm * new Vector3(-phi, 0f, -1f)); //4
vertices.push_back(invnorm * new Vector3(-phi, 0f, 1f)); //5
vertices.push_back(invnorm * new Vector3(phi, 0f, -1f)); //6
vertices.push_back(invnorm * new Vector3(phi, 0f, 1f)); //7
vertices.push_back(invnorm * new Vector3(0f, -1f, -phi)); //8
vertices.push_back(invnorm * new Vector3(0f, -1f, phi)); //9
vertices.push_back(invnorm * new Vector3(-1f, -phi, 0f)); //10
vertices.push_back(invnorm * new Vector3(1f, -phi, 0f)); //11
int[] firstFaces = { 0, 1, 2,
0, 3, 1,
0, 4, 5,
1, 7, 6,
1, 6, 2,
1, 3, 7,
0, 2, 4,
0, 5, 3,
2, 6, 8,
2, 8, 4,
3, 5, 9,
3, 9, 7,
11, 6, 7,
10, 5, 4,
10, 4, 8,
10, 9, 5,
11, 8, 6,
11, 7, 9,
10, 8, 11,
10, 11, 9 };
//C++ TO C# CONVERTER WARNING: This 'sizeof' ratio was replaced with a direct reference to the array length:
//ORIGINAL LINE: std::vector<int> faces(firstFaces, firstFaces + sizeof(firstFaces)/sizeof(*firstFaces));
// 定义一个容纳100个int型数据的容器,初值赋为0
//vector<int> vecMyHouse(100,0);
std_vector <int> faces = new std_vector <int>(firstFaces);//(firstFaces, firstFaces + firstFaces.Length);
int size = 60;
/// Step 2 : tessellate
for (ushort iteration = 0; iteration < mNumIterations; iteration++)
{
size *= 4;
std_vector <int> newFaces = new std_vector <int>();
newFaces.Clear();
//newFaces.resize(size);
for (int i = 0; i < size / 12; i++)
{
int i1 = faces[i * 3];
int i2 = faces[i * 3 + 1];
int i3 = faces[i * 3 + 2];
int i12 = vertices.Count;
int i23 = i12 + 1;
int i13 = i12 + 2;
Vector3 v1 = vertices[i1];
Vector3 v2 = vertices[i2];
Vector3 v3 = vertices[i3];
//make 1 vertice at the center of each edge and project it onto the sphere
vertices.push_back((v1 + v2).NormalisedCopy);
vertices.push_back((v2 + v3).NormalisedCopy);
vertices.push_back((v1 + v3).NormalisedCopy);
//now recreate indices
newFaces.push_back(i1);
newFaces.push_back(i12);
newFaces.push_back(i13);
newFaces.push_back(i2);
newFaces.push_back(i23);
newFaces.push_back(i12);
newFaces.push_back(i3);
newFaces.push_back(i13);
newFaces.push_back(i23);
newFaces.push_back(i12);
newFaces.push_back(i23);
newFaces.push_back(i13);
}
//faces.swap(newFaces);
faces = newFaces;
}
/// Step 3 : generate texcoords
std_vector <Vector2> texCoords = new std_vector <Vector2>();
for (ushort i = 0; i < vertices.size(); i++)
{
Vector3 vec = vertices[i];
float u = 0f;
float v = 0f;
float r0 = sqrtf(vec.x * vec.x + vec.z * vec.z);
float alpha = 0f;
alpha = atan2f(vec.z, vec.x);
u = alpha / Math.TWO_PI + .5f;
v = atan2f(vec.y, r0) / Math.PI + .5f;
texCoords.push_back(new Vector2(u, v));
}
/// Step 4 : fix texcoords
// find vertices to split
std_vector <int> indexToSplit = new std_vector <int>();
for (int i = 0; i < faces.size() / 3; i++)
{
Vector2 t0 = texCoords[faces[i * 3 + 0]];
Vector2 t1 = texCoords[faces[i * 3 + 1]];
Vector2 t2 = texCoords[faces[i * 3 + 2]];
if (Math.Abs(t2.x - t0.x) > 0.5)
{
if (t0.x < 0.5)
{
indexToSplit.push_back(faces[i * 3]);
}
else
{
indexToSplit.push_back(faces[i * 3 + 2]);
}
}
if (Math.Abs(t1.x - t0.x) > 0.5)
{
if (t0.x < 0.5)
{
indexToSplit.push_back(faces[i * 3]);
}
else
{
indexToSplit.push_back(faces[i * 3 + 1]);
}
}
if (Math.Abs(t2.x - t1.x) > 0.5)
{
if (t1.x < 0.5)
{
indexToSplit.push_back(faces[i * 3 + 1]);
}
else
{
indexToSplit.push_back(faces[i * 3 + 2]);
}
}
}
//split vertices
for (ushort i = 0; i < indexToSplit.size(); i++)
{
int index = indexToSplit[i];
//duplicate vertex
Vector3 v = vertices[index];
Vector2 t = texCoords[index] + Vector2.UNIT_X;
vertices.push_back(v);
texCoords.push_back(t);
int newIndex = vertices.size() - 1;
//reassign indices
for (ushort j = 0; j < faces.size(); j++)
{
if (faces[j] == index)
{
int index1 = faces[(j + 1) % 3 + (j / 3) * 3];
int index2 = faces[(j + 2) % 3 + (j / 3) * 3];
if ((texCoords[index1].x > 0.5f) || (texCoords[index2].x > 0.5f))
{
faces[j] = newIndex;
}
}
}
}
/// Step 5 : realize
buffer.rebaseOffset();
buffer.estimateVertexCount((uint)vertices.size());
buffer.estimateIndexCount((uint)size);
for (ushort i = 0; i < vertices.size(); i++)
{
addPoint(ref buffer, mRadius * vertices[i], vertices[i], new Vector2(texCoords[i].x, texCoords[i].y));
}
for (ushort i = 0; i < size; i++)
{
buffer.index(offset + faces[i]);
}
offset += vertices.size();
}
// *
// * Builds a shape from control points
// * \exception Ogre::InvalidStateException The path contains no points
//
//-----------------------------------------------------------------------
public Path realizePath()
{
if (mPoints.empty())
{
OGRE_EXCEPT("Ogre::Exception::ERR_INVALID_STATE", "The path contains no points", "Procedural::RoundedCornerSpline3::realizePath()");
}
;
Path path = new Path();
int numPoints = mClosed ? mPoints.Count : (mPoints.Count - 2);
if (!mClosed)
{
path.addPoint(mPoints[0]);
}
for (uint i = 0; i < numPoints; ++i)
{
Vector3 p0 = safeGetPoint(i);
Vector3 p1 = safeGetPoint(i + 1);
Vector3 p2 = safeGetPoint(i + 2);
Vector3 vBegin = p1 - p0;
Vector3 vEnd = p2 - p1;
// We're capping the radius if it's too big compared to segment length
float radius = mRadius;
float smallestSegLength = System.Math.Min(vBegin.Length, vEnd.Length);
if (smallestSegLength < 2 * mRadius)
{
radius = smallestSegLength / 2.0f;
}
Vector3 pBegin = p1 - vBegin.NormalisedCopy * radius;
Vector3 pEnd = p1 + vEnd.NormalisedCopy * radius;
Mogre_Procedural.Plane plane1 = new Plane(vBegin, pBegin);
Mogre_Procedural.Plane plane2 = new Plane(vEnd, pEnd);
Line axis = new Line();
plane1.intersect(plane2, ref axis);
Vector3 vradBegin = axis.shortestPathToPoint(pBegin);
Vector3 vradEnd = axis.shortestPathToPoint(pEnd);
Quaternion q = vradBegin.GetRotationTo(vradEnd);
Vector3 center = pBegin - vradBegin;
Radian angleTotal = new Radian();
Vector3 vAxis = new Vector3();
q.ToAngleAxis(out angleTotal, out vAxis);
for (uint j = 0; j <= mNumSeg; j++)
{
q.FromAngleAxis(angleTotal * (float)j / (float)mNumSeg, vAxis);
path.addPoint(center + q * vradBegin);
}
}
if (!mClosed)
{
path.addPoint(mPoints[mPoints.size() - 1]);
}
if (mClosed)
{
path.close();
}
return(path);
}
// *
// * Rebase index offset : call that function before you add a new mesh to the triangle buffer
//
public void rebaseOffset()
{
globalOffset = mVertices.size();
}
// *
// * Builds a shape from control points
// * \exception Ogre::InvalidStateException The path contains no points
//
//-----------------------------------------------------------------------
public Shape realizeShape()
{
if (mPoints.empty())
{
OGRE_EXCEPT("Ogre::Exception::ERR_INVALID_STATE", "The shape contains no points", "Procedural::RoundedCornerSpline2::realizePath()");
}
;
Shape shape = new Shape();
int numPoints = mClosed ? mPoints.Count : (mPoints.Count - 2);
if (!mClosed)
{
shape.addPoint(mPoints[0]);
}
for (uint i = 0; i < numPoints; ++i)
{
Vector2 p0 = safeGetPoint(i);
Vector2 p1 = safeGetPoint(i + 1);
Vector2 p2 = safeGetPoint(i + 2);
Vector2 vBegin = p1 - p0;
Vector2 vEnd = p2 - p1;
// We're capping the radius if it's too big compared to segment length
float radius = mRadius;
float smallestSegLength = System.Math.Min(vBegin.Length, vEnd.Length);
if (smallestSegLength < 2 * mRadius)
{
radius = smallestSegLength / 2.0f;
}
Vector2 pBegin = p1 - vBegin.NormalisedCopy * radius;
Vector2 pEnd = p1 + vEnd.NormalisedCopy * radius;
Line2D line1 = new Line2D(pBegin, vBegin.Perpendicular);
Line2D line2 = new Line2D(pEnd, vEnd.Perpendicular);
Vector2 center = new Vector2();
line1.findIntersect(line2, ref center);
Vector2 vradBegin = pBegin - center;
Vector2 vradEnd = pEnd - center;
Radian angleTotal = Utils.angleBetween(vradBegin, vradEnd);
if (vradBegin.CrossProduct(vradEnd) < 0f)
{
angleTotal = -angleTotal;
}
for (uint j = 0; j <= mNumSeg; j++)
{
Vector2 deltaVector = Utils.rotateVector2(vradBegin, (float)j * angleTotal / (float)mNumSeg);
shape.addPoint(center + deltaVector);
}
}
if (!mClosed)
{
shape.addPoint(mPoints[mPoints.size() - 1]);
}
if (mClosed)
{
shape.close();
}
shape.setOutSide(mOutSide);
return(shape);
}
void parseArcTo(bool rel, bool next)
{
if (next)
{
index++;
}
float rx = 0.0f;
if (!parseReal(ref rx))
{
OGRE_EXCEPT("Exception::ERR_INVALIDPARAMS", "Expecting a Real number", "parseCurveSTo");
}
float ry = 0.0f;
if (!parseReal(ref ry))
{
OGRE_EXCEPT("Exception::ERR_INVALIDPARAMS", "Expecting a Real number", "parseCurveSTo");
}
float x_axis_rotation = 0.0f;
if (!parseReal(ref x_axis_rotation))
{
OGRE_EXCEPT("Exception::ERR_INVALIDPARAMS", "Expecting a Real number", "parseCurveSTo");
}
float large_arc_flag = 0.0f;
if (!parseReal(ref large_arc_flag))
{
OGRE_EXCEPT("Exception::ERR_INVALIDPARAMS", "Expecting a Real number", "parseCurveSTo");
}
float sweep_flag = 0.0f;
if (!parseReal(ref sweep_flag))
{
OGRE_EXCEPT("Exception::ERR_INVALIDPARAMS", "Expecting a Real number", "parseCurveSTo");
}
float x = 0.0f;
if (!parseReal(ref x))
{
OGRE_EXCEPT("Exception::ERR_INVALIDPARAMS", "Expecting a Real number", "parseCurveSTo");
}
float y = 0.0f;
if (!parseReal(ref y))
{
OGRE_EXCEPT("Exception::ERR_INVALIDPARAMS", "Expecting a Real number", "parseCurveSTo");
}
float RadiansPerDegree = Math.PI / 180.0f;
float epx = rel ? point.x + x : x;
float epy = rel ? point.y + y : y;
bool largeArc = (large_arc_flag > 0);
bool clockwise = (sweep_flag > 0);
if (epx == point.x && epy == point.y)
{
return;
}
if (rx == 0.0f && ry == 0.0f)
{
point = new Vector2(epx, epy);
shape.addPoint(point);
return;
}
float sinPhi = sin(x_axis_rotation * RadiansPerDegree);
float cosPhi = cos(x_axis_rotation * RadiansPerDegree);
float x1dash = cosPhi * (point.x - epx) / 2.0f + sinPhi * (point.y - epy) / 2.0f;
float y1dash = -sinPhi * (point.x - epx) / 2.0f + cosPhi * (point.y - epy) / 2.0f;
float root;
float numerator = rx * rx * ry * ry - rx * rx * y1dash * y1dash - ry * ry * x1dash * x1dash;
if (numerator < 0.0)
{
float s = (float)sqrt(1.0f - numerator / (rx * rx * ry * ry));
rx *= s;
ry *= s;
root = 0.0f;
}
else
{
root = ((largeArc && clockwise) || (!largeArc && !clockwise) ? -1.0f : 1.0f) * sqrt(numerator / (rx * rx * y1dash * y1dash + ry * ry * x1dash * x1dash));
}
float cxdash = root * rx * y1dash / ry;
float cydash = -root * ry * x1dash / rx;
float cx = cosPhi * cxdash - sinPhi * cydash + (point.x + epx) / 2.0f;
float cy = sinPhi * cxdash + cosPhi * cydash + (point.y + epy) / 2.0f;
float theta1 = CalculateVectorAngle(1.0f, 0.0f, (x1dash - cxdash) / rx, (y1dash - cydash) / ry);
float dtheta = CalculateVectorAngle((x1dash - cxdash) / rx, (y1dash - cydash) / ry, (-x1dash - cxdash) / rx, (-y1dash - cydash) / ry);
if (!clockwise && dtheta > 0)
{
dtheta -= 2.0f * Math.PI;
}
else if (clockwise && dtheta < 0)
{
dtheta += 2.0f * Math.PI;
}
int segments = (int)ceil((double)abs(dtheta / (Math.PI / 2.0f)));
float delta = dtheta / segments;
float t = 8.0f / 3.0f * sin(delta / 4.0f) * sin(delta / 4.0f) / sin(delta / 2.0f);
float startX = point.x;
float startY = point.y;
BezierCurve2 bezier = new BezierCurve2();
bezier.addPoint(startX, startY);
for (int i = 0; i < segments; ++i)
{
float cosTheta1 = cos(theta1);
float sinTheta1 = sin(theta1);
float theta2 = theta1 + delta;
float cosTheta2 = cos(theta2);
float sinTheta2 = sin(theta2);
float endpointX = cosPhi * rx * cosTheta2 - sinPhi * ry * sinTheta2 + cx;
float endpointY = sinPhi * rx * cosTheta2 + cosPhi * ry * sinTheta2 + cy;
float dx1 = t * (-cosPhi * rx * sinTheta1 - sinPhi * ry * cosTheta1);
float dy1 = t * (-sinPhi * rx * sinTheta1 + cosPhi * ry * cosTheta1);
float dxe = t * (cosPhi * rx * sinTheta2 + sinPhi * ry * cosTheta2);
float dye = t * (sinPhi * rx * sinTheta2 - cosPhi * ry * cosTheta2);
bezier.addPoint(startX + dx1, startY + dy1);
bezier.addPoint(endpointX + dxe, endpointY + dye);
theta1 = theta2;
startX = endpointX;
startY = endpointY;
}
point = new Vector2(epx, epy);
bezier.addPoint(point);
bezier.setNumSeg(mNumSeg);
std_vector <Vector2> pointList = bezier.realizeShape().getPointsReference();//getPoints();
Vector2 lp = shape.getPoint(shape.getPoints().Length - 1);
//for (std::vector<Vector2>::iterator iter = pointList.begin(); iter != pointList.end(); iter++)
for (int ii = 0; ii < pointList.size(); ii++)
{
//if (iter == pointList.begin())
if (ii == 0)
{
//if (*iter != lp) shape.addPoint(*iter);
if (pointList[ii] != lp)
{
shape.addPoint(pointList[ii]);
}
}
else
{
shape.addPoint(pointList[ii]);//shape.addPoint(*iter);
}
}
}
// 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 static void _retriangulate(ref TriangleBuffer newMesh, TriangleBuffer inputMesh, std_vector <Intersect> intersectionList, bool first)
{
std_vector <TriangleBuffer.Vertex> vec = inputMesh.getVertices();
std_vector <int> ind = inputMesh.getIndices();
// Triangulate
// Group intersections by triangle indice
std_map <int, std_vector <Segment3D> > meshIntersects = new std_map <int, std_vector <Segment3D> >();
//for (List<Intersect>.Enumerator it = intersectionList.GetEnumerator(); it.MoveNext(); ++it)
foreach (var it in intersectionList)
{
int it2_find;
if (first)
{
it2_find = meshIntersects.find(it.mTri1);
}
else
{
it2_find = meshIntersects.find(it.mTri2);
}
if (it2_find != -1)
{
std_pair <int, std_vector <Segment3D> > it2 = meshIntersects.get((uint)it2_find);
it2.second.push_back(it.mSeg);
}
else
{
std_vector <Segment3D> vec2 = new std_vector <Segment3D>();
vec2.push_back(it.mSeg);
if (first)
{
meshIntersects[it.mTri1] = vec2;
}
else
{
meshIntersects[it.mTri2] = vec2;
}
}
}
// Build a new TriangleBuffer holding non-intersected triangles and retriangulated-intersected triangles
//for (List<TriangleBuffer.Vertex>.Enumerator it = vec.GetEnumerator(); it.MoveNext(); ++it)
foreach (var it in vec)
{
newMesh.vertex(it);
}
//for (int i = 0; i < (int)ind.Count / 3; i++)
// if (meshIntersects.find(i) == meshIntersects.end())
// newMesh.triangle(ind[i * 3], ind[i * 3 + 1], ind[i * 3 + 2]);
for (int i = 0; i < (int)ind.size() / 3; i++)
{
if (meshIntersects.find(i) == -1)
{
newMesh.triangle(ind[i * 3], ind[i * 3 + 1], ind[i * 3 + 2]);
}
}
int numNonIntersected1 = newMesh.getIndices().size();
//for (std.map<int, List<Segment3D> >.Enumerator it = meshIntersects.begin(); it.MoveNext(); ++it)
foreach (var it in meshIntersects)
{
std_vector <Segment3D> segments = it.Value;
int triIndex = it.Key;
Vector3 v1 = vec[ind[triIndex * 3]].mPosition;
Vector3 v2 = vec[ind[triIndex * 3 + 1]].mPosition;
Vector3 v3 = vec[ind[triIndex * 3 + 2]].mPosition;
Vector3 triNormal = ((v2 - v1).CrossProduct(v3 - v1)).NormalisedCopy;
Vector3 xAxis = triNormal.Perpendicular;
Vector3 yAxis = triNormal.CrossProduct(xAxis);
Vector3 planeOrigin = vec[ind[triIndex * 3]].mPosition;
// Project intersection segments onto triangle plane
std_vector <Segment2D> segments2 = new std_vector <Segment2D>();
//for (List<Segment3D>.Enumerator it2 = segments.GetEnumerator(); it2.MoveNext(); it2++)
// segments2.Add(projectOnAxis(it2.Current, planeOrigin, xAxis, yAxis));
foreach (var it2 in segments)
{
segments2.push_back(projectOnAxis(it2, planeOrigin, xAxis, yAxis));
}
//for (List<Segment2D>.Enumerator it2 = segments2.GetEnumerator(); it2.MoveNext();)
int it2_c = segments2.Count;
for (int j = it2_c - 1; j >= 0; j--)
{
Segment2D it2 = segments2[j];
if ((it2.mA - it2.mB).SquaredLength < 1e-5)
{
//C++ TO C# CONVERTER TODO TASK: There is no direct equivalent to the STL vector 'erase' method in C#:
//it2 = segments2.erase(it2);
segments2.RemoveAt(j);
}
//else
}
// Triangulate
Triangulator t = new Triangulator();
//Triangle2D[[]] tri = new Triangle2D[ind[triIndex * 3]](projectOnAxis(vec.mPosition, planeOrigin, xAxis, yAxis), projectOnAxis(vec[ind[triIndex * 3 + 1]].mPosition, planeOrigin, xAxis, yAxis), projectOnAxis(vec[ind[triIndex * 3 + 2]].mPosition, planeOrigin, xAxis, yAxis));
Triangle2D tri = new Triangle2D(projectOnAxis(vec[ind[triIndex * 3]].mPosition, planeOrigin, xAxis, yAxis),
projectOnAxis(vec[ind[triIndex * 3 + 1]].mPosition, planeOrigin, xAxis, yAxis),
projectOnAxis(vec[ind[triIndex * 3 + 2]].mPosition, planeOrigin, xAxis, yAxis));
std_vector <Vector2> outPointList = new std_vector <Vector2>();//PointList outPointList;
std_vector <int> outIndice = new std_vector <int>();
t.setManualSuperTriangle(tri).setRemoveOutside(false).setSegmentListToTriangulate(ref segments2).triangulate(outIndice, outPointList);
// Deproject and add to triangleBuffer
newMesh.rebaseOffset();
//for (List<int>.Enumerator it = outIndice.GetEnumerator(); it.MoveNext(); ++it)
// newMesh.index(it.Current);
foreach (var oindex in outIndice)
{
newMesh.index(oindex);
}
float x1 = tri.mPoints[0].x;
float y1 = tri.mPoints[0].y;
Vector2 uv1 = vec[ind[triIndex * 3]].mUV;
float x2 = tri.mPoints[1].x;
float y2 = tri.mPoints[1].y;
Vector2 uv2 = vec[ind[triIndex * 3 + 1]].mUV;
float x3 = tri.mPoints[2].x;
float y3 = tri.mPoints[2].y;
Vector2 uv3 = vec[ind[triIndex * 3 + 2]].mUV;
float DET = x1 * y2 - x2 * y1 + x2 * y3 - x3 * y2 + x3 * y1 - x1 * y3;
Vector2 A = ((y2 - y3) * uv1 + (y3 - y1) * uv2 + (y1 - y2) * uv3) / DET;
Vector2 B = ((x3 - x2) * uv1 + (x1 - x3) * uv2 + (x2 - x1) * uv3) / DET;
Vector2 C = ((x2 * y3 - x3 * y2) * uv1 + (x3 * y1 - x1 * y3) * uv2 + (x1 * y2 - x2 * y1) * uv3) / DET;
//for (List<Vector2>.Enumerator it = outPointList.GetEnumerator(); it.MoveNext(); ++it)
foreach (var it2 in outPointList)
{
Vector2 uv = A * it2.x + B * it2.y + C;
newMesh.position(deprojectOnAxis(it2, planeOrigin, xAxis, yAxis));
newMesh.normal(triNormal);
newMesh.textureCoord(uv);
}
}
}
//-----------------------------------------------------------------------
//typedef std::vector<PathCoordinate> PathIntersection;
public static void _extrudeIntersectionImpl(ref TriangleBuffer buffer, std_vector <MultiPath.PathCoordinate> intersection, MultiPath multiPath, Shape shape, Track shapeTextureTrack)
{
Vector3 intersectionLocation = multiPath.getPath((int)intersection[0].pathIndex).getPoint((int)intersection[0].pointIndex);
Quaternion firstOrientation = Utils._computeQuaternion(multiPath.getPath((int)intersection[0].pathIndex).getDirectionBefore((int)intersection[0].pointIndex));
Vector3 refX = firstOrientation * Vector3.UNIT_X;
Vector3 refZ = firstOrientation * Vector3.UNIT_Z;
std_vector <Vector2> v2s = new std_vector <Vector2>();
std_vector <MultiPath.PathCoordinate> coords = new std_vector <MultiPath.PathCoordinate>();
std_vector <float> direction = new std_vector <float>();
for (int i = 0; i < intersection.size(); ++i)
{
Path path = multiPath.getPath((int)intersection[i].pathIndex);
int pointIndex = (int)intersection[i].pointIndex;
if (pointIndex > 0 || path.isClosed())
{
Vector3 vb = path.getDirectionBefore(pointIndex);
Vector2 vb2 = new Vector2(vb.DotProduct(refX), vb.DotProduct(refZ));
v2s.push_back(vb2);
coords.push_back(intersection[i]);
direction.push_back(1);
}
if (pointIndex < path.getSegCount() || path.isClosed())
{
Vector3 va = -path.getDirectionAfter(pointIndex);
Vector2 va2 = new Vector2(va.DotProduct(refX), va.DotProduct(refZ));
v2s.push_back(va2);
coords.push_back(intersection[i]);
direction.push_back(-1);
}
}
std_map <Radian, int> angles = new std_map <Radian, int>();
for (int i = 1; i < v2s.Count; ++i)
{
//angles[Utils.angleTo(v2s[0], v2s[i])] = i;
angles.insert(Utils.angleTo(v2s[0], v2s[i]), i);
}
std_vector <int> orderedIndices = new std_vector <int>();
orderedIndices.push_back(0);
//for (std_map<Radian, int>.Enumerator it = angles.begin(); it != angles.end(); ++it)
foreach (var it in angles)
{
orderedIndices.push_back(it.Value);
}
for (int i = 0; i < orderedIndices.size(); ++i)
{
int idx = orderedIndices[i];
int idxBefore = orderedIndices[Utils.modulo(i - 1, orderedIndices.Count)];
int idxAfter = orderedIndices[Utils.modulo(i + 1, orderedIndices.Count)];
Radian angleBefore = (Utils.angleBetween(v2s[idx], v2s[idxBefore]) - (Radian)Math.PI) / 2;
Radian angleAfter = ((Radian)Math.PI - Utils.angleBetween(v2s[idx], v2s[idxAfter])) / 2;
int pointIndex = (int)((int)coords[idx].pointIndex - direction[idx]);
Path path = multiPath.getPath((int)coords[idx].pathIndex);
Quaternion qStd = Utils._computeQuaternion(path.getAvgDirection(pointIndex) * direction[idx]);
float lineicPos = 0f;
float uTexCoord = path.getLengthAtPoint(pointIndex) / path.getTotalLength();
// Shape making the joint with "standard extrusion"
_extrudeShape(ref buffer, shape, path.getPoint(pointIndex), qStd, qStd, 1.0f, 1.0f, 1.0f, shape.getTotalLength(), uTexCoord, true, shapeTextureTrack);
// Modified shape at the intersection
Quaternion q = new Quaternion();
if (direction[idx] > 0f)
{
q = Utils._computeQuaternion(path.getDirectionBefore((int)coords[idx].pointIndex));
}
else
{
q = Utils._computeQuaternion(-path.getDirectionAfter((int)coords[idx].pointIndex));
}
Quaternion qLeft = q * new Quaternion(angleBefore, Vector3.UNIT_Y);
Quaternion qRight = q * new Quaternion(angleAfter, Vector3.UNIT_Y);
float scaleLeft = 1.0f / Math.Abs(Math.Cos(angleBefore));
float scaleRight = 1.0f / Math.Abs(Math.Cos(angleAfter));
uTexCoord = path.getLengthAtPoint((int)coords[idx].pointIndex) / path.getTotalLength();
_extrudeShape(ref buffer, shape, path.getPoint((int)coords[idx].pointIndex), qLeft, qRight, 1.0f, scaleLeft, scaleRight, shape.getTotalLength(), uTexCoord, false, shapeTextureTrack);
}
}
//--------------------------------------------------------------
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;
}
}
}
//--------------------------------------------------------------
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);
}
//
//ORIGINAL LINE: uint getPathCount() const
public int getPathCount()
{
return(mPaths.size());
}
//--------------------------------------------------------------
public void modify()
{
if (mInputTriangleBuffer == null)
{
OGRE_EXCEPT("Exception::ERR_INVALID_STATE", "Input triangle buffer must be set", "__FUNCTION__");
}
;
//std.map<Vector3, int, Vector3Comparator> mapExistingVertices = new std.map<Vector3, int, Vector3Comparator>();
std_map <Vector3, int> mapExistingVertices = new std_map <Vector3, int>(new Vector3Comparator());
std_vector <TriangleBuffer.Vertex> vertices = mInputTriangleBuffer.getVertices();
std_vector <int> indices = mInputTriangleBuffer.getIndices();
int newSize = vertices.size();
// for (std::vector<TriangleBuffer::Vertex>::iterator it = vertices.begin(); it!= vertices.end(); ++it)
for (int i = 0; i < vertices.Count; i++)
{
//size_t currentIndex = it - vertices.begin();
TriangleBuffer.Vertex it = vertices[i];
int currentIndex = i;
if (currentIndex >= newSize)
{
break;
}
//if (mapExistingVertices.find(it.mPosition) == mapExistingVertices.end())
// mapExistingVertices[it.mPosition] = currentIndex;
if (mapExistingVertices.find(it.mPosition) == -1)
{
mapExistingVertices.insert(it.mPosition, currentIndex);
}
else
{
int existingIndex = mapExistingVertices[it.mPosition];
--newSize;
if (currentIndex == newSize)
{
//for (std::vector<int>::iterator it2 = indices.begin(); it2 != indices.end(); ++it2)
for (int j = 0; j < indices.Count; j++)
{
int it2 = indices[j];
if (it2 == currentIndex)
{
//*it2 = existingIndex;
indices[j] = existingIndex;
}
}
}
else
{
int lastIndex = newSize;
//*it = vertices[lastIndex];
it = vertices[lastIndex];
//for (std::vector<int>::iterator it2 = indices.begin(); it2 != indices.end(); ++it2)
for (int j = 0; j < indices.Count; j++)
{
int it2 = indices[j];
//if (*it2 == currentIndex)
if (it2 == currentIndex)
{
//*it2 = existingIndex;
indices[j] = existingIndex;
}
//else if (*it2 == lastIndex)
else if (it2 == lastIndex)
{
//*it2 = currentIndex;
indices[j] = currentIndex;
}
}
}
}
}
}
//void Triangulator::_recursiveTriangulatePolygon(const DelaunaySegment& cuttingSeg, std::vector<int> inputPoints, DelaunayTriangleBuffer& tbuffer, const PointList& pointList) const
void _recursiveTriangulatePolygon(DelaunaySegment cuttingSeg, std_vector <int> inputPoints, DelaunayTriangleBuffer tbuffer, PointList pointList)
{
if (inputPoints.size() == 0)
{
return;
}
if (inputPoints.size() == 1)
{
Triangle t2 = new Triangle(pointList);
//t.setVertices(cuttingSeg.i1, cuttingSeg.i2, inputPoints.begin());
t2.setVertices(cuttingSeg.i1, cuttingSeg.i2, inputPoints.front());
t2.makeDirectIfNeeded();
tbuffer.push_back(t2);
return;
}
// Find a point which, when associated with seg.i1 and seg.i2, builds a Delaunay triangle
//std::vector<int>::iterator currentPoint = inputPoints.begin();
int currentPoint_pos = inputPoints.begin();
int currentPoint = inputPoints.front();
bool found = false;
while (!found)
{
bool isDelaunay = true;
//Circle c=new Circle(pointList[*currentPoint], pointList[cuttingSeg.i1], pointList[cuttingSeg.i2]);
Circle c = new Circle(pointList[currentPoint], pointList[cuttingSeg.i1], pointList[cuttingSeg.i2]);
//for (std::vector<int>::iterator it = inputPoints.begin(); it!=inputPoints.end(); ++it)
int idx = -1;
foreach (var it in inputPoints)
{
idx++;
//if (c.isPointInside(pointList[*it]) && (*it != *currentPoint))
if (c.isPointInside(pointList[it]) && (it != currentPoint))
{
isDelaunay = false;
currentPoint = it;
currentPoint_pos = idx;
break;
}
}
if (isDelaunay)
{
found = true;
}
}
// Insert current triangle
Triangle t = new Triangle(pointList);
//t.setVertices(*currentPoint, cuttingSeg.i1, cuttingSeg.i2);
t.setVertices(currentPoint, cuttingSeg.i1, cuttingSeg.i2);
t.makeDirectIfNeeded();
tbuffer.push_back(t);
// Recurse
//DelaunaySegment newCut1=new DelaunaySegment(cuttingSeg.i1, *currentPoint);
//DelaunaySegment newCut2=new DelaunaySegment(cuttingSeg.i2, *currentPoint);
DelaunaySegment newCut1 = new DelaunaySegment(cuttingSeg.i1, currentPoint);
DelaunaySegment newCut2 = new DelaunaySegment(cuttingSeg.i2, currentPoint);
//std_vector<int> set1=new std_vector<int>(inputPoints.begin(), currentPoint);
//std_vector<int> set2=new std_vector<int>(currentPoint+1, inputPoints.end());
std_vector <int> set1 = new std_vector <int>();
set1.assign(inputPoints.ToArray(), inputPoints.begin(), currentPoint_pos);
std_vector <int> set2 = new std_vector <int>();
set2.assign(inputPoints.ToArray(), currentPoint_pos + 1, inputPoints.end());
if (!set1.empty())
{
_recursiveTriangulatePolygon(newCut1, set1, tbuffer, pointList);
}
if (!set2.empty())
{
_recursiveTriangulatePolygon(newCut2, set2, tbuffer, pointList);
}
}
//-----------------------------------------------------------------------
//
//ORIGINAL LINE: void _latheCapImpl(TriangleBuffer& buffer) const
private void _latheCapImpl(ref TriangleBuffer buffer)
{
std_vector <int> indexBuffer = new std_vector <int>();
std_vector <Vector2> pointList = new std_vector <Vector2>();
buffer.rebaseOffset();
Triangulator t = new Triangulator();
Shape shapeCopy = new Shape();
MultiShape multishapeCopy = new MultiShape();
if (mShapeToExtrude != null)
{
//
//ORIGINAL LINE: shapeCopy = *mShapeToExtrude;
shapeCopy = (mShapeToExtrude);
shapeCopy.close();
t.setShapeToTriangulate(shapeCopy);
}
else
{
//
//ORIGINAL LINE: multishapeCopy = *mMultiShapeToExtrude;
multishapeCopy = (mMultiShapeToExtrude);
multishapeCopy.close();
t.setMultiShapeToTriangulate(mMultiShapeToExtrude);
}
t.triangulate(indexBuffer, pointList);
buffer.estimateIndexCount(2 * (uint)indexBuffer.Count);
buffer.estimateVertexCount(2 * (uint)pointList.Count);
//begin cap
buffer.rebaseOffset();
Quaternion q = new Quaternion();
q.FromAngleAxis(mAngleBegin, Vector3.UNIT_Y);
for (int j = 0; j < pointList.size(); j++)
{
Vector2 vp2 = pointList[j];
Vector3 vp = new Vector3(vp2.x, vp2.y, 0);
//C++ TO C# CONVERTER WARNING: The following line was determined to be a copy constructor call - this should be verified and a copy constructor should be created if it does not yet exist:
//ORIGINAL LINE: Vector3 normal = Vector3::UNIT_Z;
Vector3 normal = (Vector3.UNIT_Z);
addPoint(ref buffer, q * vp, q * normal, vp2);
}
for (int i = 0; i < indexBuffer.size() / 3; i++)
{
buffer.index(indexBuffer[i * 3]);
buffer.index(indexBuffer[i * 3 + 1]);
buffer.index(indexBuffer[i * 3 + 2]);
}
//end cap
buffer.rebaseOffset();
q.FromAngleAxis(mAngleEnd, Vector3.UNIT_Y);
for (int j = 0; j < pointList.size(); j++)
{
Vector2 vp2 = pointList[j];
Vector3 vp = new Vector3(vp2.x, vp2.y, 0);
Vector3 normal = -Vector3.UNIT_Z;
addPoint(ref buffer, q * vp, q * normal, vp2);
}
for (int i = 0; i < indexBuffer.size() / 3; i++)
{
buffer.index(indexBuffer[i * 3]);
buffer.index(indexBuffer[i * 3 + 2]);
buffer.index(indexBuffer[i * 3 + 1]);
}
}
/// Returns the number of shapes in that MultiShape
//
//ORIGINAL LINE: uint getShapeCount() const
public int getShapeCount()
{
return(mShapes.size());
}
