/// <summary>
/// ** Experimental ** May disappear from future versions ** not recommeneded for use in applications
/// Construct a sculpt mesh from a 2D array of floats
/// </summary>
/// <param name="zMap"></param>
/// <param name="xBegin"></param>
/// <param name="xEnd"></param>
/// <param name="yBegin"></param>
/// <param name="yEnd"></param>
/// <param name="viewerMode"></param>
public SculptMesh(float[,] zMap, float xBegin, float xEnd, float yBegin, float yEnd, bool viewerMode)
{
float xStep, yStep;
float uStep, vStep;
int numYElements = zMap.GetLength(0);
int numXElements = zMap.GetLength(1);
try
{
xStep = (xEnd - xBegin)/(numXElements - 1);
yStep = (yEnd - yBegin)/(numYElements - 1);
uStep = 1.0f/(numXElements - 1);
vStep = 1.0f/(numYElements - 1);
}
catch (DivideByZeroException)
{
return;
}
coords = new List<Coord>();
faces = new List<Face>();
normals = new List<Coord>();
uvs = new List<UVCoord>();
viewerFaces = new List<ViewerFace>();
int p1, p2, p3, p4;
int x, y;
int xStart = 0, yStart = 0;
for (y = yStart; y < numYElements; y++)
{
int rowOffset = y*numXElements;
for (x = xStart; x < numXElements; x++)
{
/*
* p1-----p2
* | \ f2 |
* | \ |
* | f1 \|
* p3-----p4
*/
p4 = rowOffset + x;
p3 = p4 - 1;
p2 = p4 - numXElements;
p1 = p3 - numXElements;
Coord c = new Coord(xBegin + x*xStep, yBegin + y*yStep, zMap[y, x]);
this.coords.Add(c);
if (viewerMode)
{
this.normals.Add(new Coord());
this.uvs.Add(new UVCoord(uStep*x, 1.0f - vStep*y));
}
if (y > 0 && x > 0)
{
Face f1, f2;
if (viewerMode)
{
f1 = new Face(p1, p4, p3, p1, p4, p3) {uv1 = p1, uv2 = p4, uv3 = p3};
f2 = new Face(p1, p2, p4, p1, p2, p4) {uv1 = p1, uv2 = p2, uv3 = p4};
}
else
{
f1 = new Face(p1, p4, p3);
f2 = new Face(p1, p2, p4);
}
this.faces.Add(f1);
this.faces.Add(f2);
}
}
}
if (viewerMode)
calcVertexNormals(SculptType.plane, numXElements, numYElements);
}
private void _SculptMesh(List<List<Coord>> rows, SculptType sculptType, bool viewerMode, bool mirror,
bool invert)
{
coords = new List<Coord>();
faces = new List<Face>();
normals = new List<Coord>();
uvs = new List<UVCoord>();
sculptType = (SculptType) (((int) sculptType) & 0x07);
if (mirror)
invert = !invert;
viewerFaces = new List<ViewerFace>();
int width = rows[0].Count;
int p1, p2, p3, p4;
int imageX, imageY;
if (sculptType != SculptType.plane)
{
if (rows.Count%2 == 0)
{
foreach (List<Coord> t in rows)
t.Add(t[0]);
}
else
{
int lastIndex = rows[0].Count - 1;
foreach (List<Coord> t in rows)
t[0] = t[lastIndex];
}
}
Coord topPole = rows[0][width/2];
Coord bottomPole = rows[rows.Count - 1][width/2];
if (sculptType == SculptType.sphere)
{
if (rows.Count%2 == 0)
{
int count = rows[0].Count;
List<Coord> topPoleRow = new List<Coord>(count);
List<Coord> bottomPoleRow = new List<Coord>(count);
for (int i = 0; i < count; i++)
{
topPoleRow.Add(topPole);
bottomPoleRow.Add(bottomPole);
}
rows.Insert(0, topPoleRow);
rows.Add(bottomPoleRow);
}
else
{
int count = rows[0].Count;
List<Coord> topPoleRow = rows[0];
List<Coord> bottomPoleRow = rows[rows.Count - 1];
for (int i = 0; i < count; i++)
{
topPoleRow[i] = topPole;
bottomPoleRow[i] = bottomPole;
}
}
}
if (sculptType == SculptType.torus)
rows.Add(rows[0]);
int coordsDown = rows.Count;
int coordsAcross = rows[0].Count;
float widthUnit = 1.0f/(coordsAcross - 1);
float heightUnit = 1.0f/(coordsDown - 1);
for (imageY = 0; imageY < coordsDown; imageY++)
{
int rowOffset = imageY*coordsAcross;
for (imageX = 0; imageX < coordsAcross; imageX++)
{
/*
* p1-----p2
* | \ f2 |
* | \ |
* | f1 \|
* p3-----p4
*/
p4 = rowOffset + imageX;
p3 = p4 - 1;
p2 = p4 - coordsAcross;
p1 = p3 - coordsAcross;
this.coords.Add(rows[imageY][imageX]);
if (viewerMode)
{
this.normals.Add(new Coord());
this.uvs.Add(new UVCoord(widthUnit*imageX, heightUnit*imageY));
}
if (imageY > 0 && imageX > 0)
{
Face f1, f2;
if (viewerMode)
{
if (invert)
{
f1 = new Face(p1, p4, p3, p1, p4, p3) {uv1 = p1, uv2 = p4, uv3 = p3};
f2 = new Face(p1, p2, p4, p1, p2, p4) {uv1 = p1, uv2 = p2, uv3 = p4};
}
else
{
f1 = new Face(p1, p3, p4, p1, p3, p4) {uv1 = p1, uv2 = p3, uv3 = p4};
f2 = new Face(p1, p4, p2, p1, p4, p2) {uv1 = p1, uv2 = p4, uv3 = p2};
}
}
else
{
if (invert)
{
f1 = new Face(p1, p4, p3);
f2 = new Face(p1, p2, p4);
}
else
{
f1 = new Face(p1, p3, p4);
f2 = new Face(p1, p4, p2);
}
}
this.faces.Add(f1);
this.faces.Add(f2);
}
}
}
if (viewerMode)
calcVertexNormals(sculptType, coordsAcross, coordsDown);
}
private Coord SurfaceNormal(Face face)
{
return SurfaceNormal(coords[face.v1], coords[face.v2], coords[face.v3]);
}
internal Profile(int sides, float profileStart, float profileEnd, float hollow, int hollowSides,
bool createFaces, bool calcVertexNormals)
{
this.calcVertexNormals = calcVertexNormals;
coords = new List<Coord>();
faces = new List<Face>();
vertexNormals = new List<Coord>();
us = new List<float>();
faceUVs = new List<UVCoord>();
faceNumbers = new List<int>();
Coord center = new Coord(0.0f, 0.0f, 0.0f);
List<Coord> hollowCoords = new List<Coord>();
List<Coord> hollowNormals = new List<Coord>();
List<float> hollowUs = new List<float>();
if (calcVertexNormals)
{
outerCoordIndices = new List<int>();
hollowCoordIndices = new List<int>();
cut1CoordIndices = new List<int>();
cut2CoordIndices = new List<int>();
}
bool hasHollow = (hollow > 0.0f);
bool hasProfileCut = (profileStart > 0.0f || profileEnd < 1.0f);
AngleList angles = new AngleList();
AngleList hollowAngles = new AngleList();
float xScale = 0.5f;
float yScale = 0.5f;
if (sides == 4) // corners of a square are sqrt(2) from center
{
xScale = 0.707f;
yScale = 0.707f;
}
float startAngle = profileStart*twoPi;
float stopAngle = profileEnd*twoPi;
try
{
angles.makeAngles(sides, startAngle, stopAngle);
}
catch (Exception ex)
{
errorMessage = "makeAngles failed: Exception: " + ex
+ "\nsides: " + sides.ToString() + " startAngle: " + startAngle.ToString() +
" stopAngle: " + stopAngle.ToString();
return;
}
numOuterVerts = angles.angles.Count;
// flag to create as few triangles as possible for 3 or 4 side profile
bool simpleFace = (sides < 5 && !hasHollow && !hasProfileCut);
if (hasHollow)
{
if (sides == hollowSides)
hollowAngles = angles;
else
{
try
{
hollowAngles.makeAngles(hollowSides, startAngle, stopAngle);
}
catch (Exception ex)
{
errorMessage = "makeAngles failed: Exception: " + ex
+ "\nsides: " + sides.ToString() + " startAngle: " + startAngle.ToString() +
" stopAngle: " + stopAngle.ToString();
return;
}
}
numHollowVerts = hollowAngles.angles.Count;
}
else if (!simpleFace)
{
coords.Add(center);
//hasCenter = true;
if (this.calcVertexNormals)
vertexNormals.Add(new Coord(0.0f, 0.0f, 1.0f));
us.Add(0.0f);
}
const float z = 0.0f;
Angle angle;
Coord newVert = new Coord();
if (hasHollow && hollowSides != sides)
{
int numHollowAngles = hollowAngles.angles.Count;
for (int i = 0; i < numHollowAngles; i++)
{
angle = hollowAngles.angles[i];
newVert.X = hollow*xScale*angle.X;
newVert.Y = hollow*yScale*angle.Y;
newVert.Z = z;
hollowCoords.Add(newVert);
if (this.calcVertexNormals)
{
hollowNormals.Add(hollowSides < 5
? hollowAngles.normals[i].Invert()
: new Coord(-angle.X, -angle.Y, 0.0f));
hollowUs.Add(angle.angle*hollow);
}
}
}
int index = 0;
int numAngles = angles.angles.Count;
for (int i = 0; i < numAngles; i++)
{
angle = angles.angles[i];
newVert.X = angle.X*xScale;
newVert.Y = angle.Y*yScale;
newVert.Z = z;
coords.Add(newVert);
if (this.calcVertexNormals)
{
outerCoordIndices.Add(coords.Count - 1);
if (sides < 5)
{
vertexNormals.Add(angles.normals[i]);
float u = angle.angle;
us.Add(u);
}
else
{
vertexNormals.Add(new Coord(angle.X, angle.Y, 0.0f));
us.Add(angle.angle);
}
}
if (hasHollow)
{
if (hollowSides == sides)
{
newVert.X *= hollow;
newVert.Y *= hollow;
newVert.Z = z;
hollowCoords.Add(newVert);
if (this.calcVertexNormals)
{
hollowNormals.Add(sides < 5
? angles.normals[i].Invert()
: new Coord(-angle.X, -angle.Y, 0.0f));
hollowUs.Add(angle.angle*hollow);
}
}
}
else if (!simpleFace && createFaces && angle.angle > 0.0001f)
{
Face newFace = new Face {v1 = 0, v2 = index, v3 = index + 1};
faces.Add(newFace);
}
index += 1;
}
if (hasHollow)
{
hollowCoords.Reverse();
if (this.calcVertexNormals)
{
hollowNormals.Reverse();
hollowUs.Reverse();
}
if (createFaces)
{
int numTotalVerts = numOuterVerts + numHollowVerts;
if (numOuterVerts == numHollowVerts)
{
Face newFace = new Face();
for (int coordIndex = 0; coordIndex < numOuterVerts - 1; coordIndex++)
{
newFace.v1 = coordIndex;
newFace.v2 = coordIndex + 1;
newFace.v3 = numTotalVerts - coordIndex - 1;
faces.Add(newFace);
newFace.v1 = coordIndex + 1;
newFace.v2 = numTotalVerts - coordIndex - 2;
newFace.v3 = numTotalVerts - coordIndex - 1;
faces.Add(newFace);
}
}
else
{
if (numOuterVerts < numHollowVerts)
{
Face newFace = new Face();
int j = 0; // j is the index for outer vertices
int maxJ = numOuterVerts - 1;
for (int i = 0; i < numHollowVerts; i++) // i is the index for inner vertices
{
if (j < maxJ)
if (angles.angles[j + 1].angle - hollowAngles.angles[i].angle <
hollowAngles.angles[i].angle - angles.angles[j].angle + 0.000001f)
{
newFace.v1 = numTotalVerts - i - 1;
newFace.v2 = j;
newFace.v3 = j + 1;
faces.Add(newFace);
j += 1;
}
newFace.v1 = j;
newFace.v2 = numTotalVerts - i - 2;
newFace.v3 = numTotalVerts - i - 1;
faces.Add(newFace);
}
}
else // numHollowVerts < numOuterVerts
{
Face newFace = new Face();
int j = 0; // j is the index for inner vertices
int maxJ = numHollowVerts - 1;
for (int i = 0; i < numOuterVerts; i++)
{
if (j < maxJ)
if (hollowAngles.angles[j + 1].angle - angles.angles[i].angle <
angles.angles[i].angle - hollowAngles.angles[j].angle + 0.000001f)
{
newFace.v1 = i;
newFace.v2 = numTotalVerts - j - 2;
newFace.v3 = numTotalVerts - j - 1;
faces.Add(newFace);
j += 1;
}
newFace.v1 = numTotalVerts - j - 1;
newFace.v2 = i;
newFace.v3 = i + 1;
faces.Add(newFace);
}
}
}
}
if (calcVertexNormals)
{
foreach (Coord hc in hollowCoords)
{
coords.Add(hc);
hollowCoordIndices.Add(coords.Count - 1);
}
}
else
coords.AddRange(hollowCoords);
if (this.calcVertexNormals)
{
vertexNormals.AddRange(hollowNormals);
us.AddRange(hollowUs);
}
}
if (simpleFace && createFaces)
{
if (sides == 3)
faces.Add(new Face(0, 1, 2));
else if (sides == 4)
{
faces.Add(new Face(0, 1, 2));
faces.Add(new Face(0, 2, 3));
}
}
if (calcVertexNormals && hasProfileCut)
{
int lastOuterVertIndex = numOuterVerts - 1;
if (hasHollow)
{
cut1CoordIndices.Add(0);
cut1CoordIndices.Add(coords.Count - 1);
cut2CoordIndices.Add(lastOuterVertIndex + 1);
cut2CoordIndices.Add(lastOuterVertIndex);
cutNormal1.X = coords[0].Y - coords[coords.Count - 1].Y;
cutNormal1.Y = -(coords[0].X - coords[coords.Count - 1].X);
cutNormal2.X = coords[lastOuterVertIndex + 1].Y - coords[lastOuterVertIndex].Y;
cutNormal2.Y = -(coords[lastOuterVertIndex + 1].X - coords[lastOuterVertIndex].X);
}
else
{
cut1CoordIndices.Add(0);
cut1CoordIndices.Add(1);
cut2CoordIndices.Add(lastOuterVertIndex);
cut2CoordIndices.Add(0);
cutNormal1.X = vertexNormals[1].Y;
cutNormal1.Y = -vertexNormals[1].X;
cutNormal2.X = -vertexNormals[vertexNormals.Count - 2].Y;
cutNormal2.Y = vertexNormals[vertexNormals.Count - 2].X;
}
cutNormal1.Normalize();
cutNormal2.Normalize();
}
MakeFaceUVs();
hollowCoords = null;
hollowNormals = null;
hollowUs = null;
if (calcVertexNormals)
{
// calculate prim face numbers
// face number order is top, outer, hollow, bottom, start cut, end cut
// I know it's ugly but so is the whole concept of prim face numbers
int faceNum = 1; // start with outer faces
outerFaceNumber = faceNum;
int startVert = hasProfileCut && !hasHollow ? 1 : 0;
if (startVert > 0)
faceNumbers.Add(-1);
for (int i = 0; i < numOuterVerts - 1; i++)
//this.faceNumbers.Add(sides < 5 ? faceNum++ : faceNum);
faceNumbers.Add(sides < 5 && i < sides ? faceNum++ : faceNum);
//if (!hasHollow && !hasProfileCut)
// this.bottomFaceNumber = faceNum++;
faceNumbers.Add(hasProfileCut ? -1 : faceNum++);
if (sides > 4 && (hasHollow || hasProfileCut))
faceNum++;
if (sides < 5 && (hasHollow || hasProfileCut) && numOuterVerts < sides)
faceNum++;
if (hasHollow)
{
for (int i = 0; i < numHollowVerts; i++)
faceNumbers.Add(faceNum);
hollowFaceNumber = faceNum++;
}
//if (hasProfileCut || hasHollow)
// this.bottomFaceNumber = faceNum++;
bottomFaceNumber = faceNum++;
if (hasHollow && hasProfileCut)
faceNumbers.Add(faceNum++);
for (int i = 0; i < faceNumbers.Count; i++)
if (faceNumbers[i] == -1)
faceNumbers[i] = faceNum++;
numPrimFaces = faceNum;
}
}
/// <summary>
/// Extrudes a profile along a path.
/// </summary>
public void Extrude(PathType pathType)
{
bool needEndFaces = false;
coords = new List<Coord>();
faces = new List<Face>();
if (viewerMode)
{
viewerFaces = new List<ViewerFace>();
calcVertexNormals = true;
}
if (calcVertexNormals)
normals = new List<Coord>();
int steps = 1;
float length = pathCutEnd - pathCutBegin;
normalsProcessed = false;
if (viewerMode && sides == 3)
{
// prisms don't taper well so add some vertical resolution
// other prims may benefit from this but just do prisms for now
if (Math.Abs(taperX) > 0.01 || Math.Abs(taperY) > 0.01)
steps = (int) (steps*4.5*length);
}
if (sphereMode)
hasProfileCut = profileEnd - profileStart < 0.4999f;
else
this.hasProfileCut = this.profileEnd - this.profileStart < 0.9999f;
this.hasHollow = (this.hollow > 0.001f);
float twistBegin2 = twistBegin/360.0f*twoPi;
float twistEnd2 = twistEnd/360.0f*twoPi;
float twistTotal = twistEnd2 - twistBegin2;
float twistTotalAbs = Math.Abs(twistTotal);
if (twistTotalAbs > 0.01f)
steps += (int) (twistTotalAbs*3.66); // dahlia's magic number
float hollow2 = hollow;
// sanity checks
float initialProfileRot = 0.0f;
if (pathType == PathType.Circular)
{
if (sides == 3)
{
initialProfileRot = (float) Math.PI;
if (hollowSides == 4)
{
if (hollow2 > 0.7f)
hollow2 = 0.7f;
hollow2 *= 0.707f;
}
else hollow2 *= 0.5f;
}
else if (sides == 4)
{
initialProfileRot = 0.25f*(float) Math.PI;
if (hollowSides != 4)
hollow2 *= 0.707f;
}
else if (sides > 4)
{
initialProfileRot = (float) Math.PI;
if (hollowSides == 4)
{
if (hollow2 > 0.7f)
hollow2 = 0.7f;
hollow2 /= 0.7f;
}
}
}
else
{
if (sides == 3)
{
if (hollowSides == 4)
{
if (hollow2 > 0.7f)
hollow2 = 0.7f;
hollow2 *= 0.707f;
}
else hollow2 *= 0.5f;
}
else if (sides == 4)
{
initialProfileRot = 1.25f*(float) Math.PI;
if (hollowSides != 4)
hollow2 *= 0.707f;
}
else if (sides == 24 && hollowSides == 4)
hollow2 *= 1.414f;
}
Profile profile = new Profile(sides, profileStart, profileEnd, hollow2, hollowSides, true,
calcVertexNormals);
errorMessage = profile.errorMessage;
numPrimFaces = profile.numPrimFaces;
profileOuterFaceNumber = profile.outerFaceNumber;
//this is always true
if (!needEndFaces)
profileOuterFaceNumber--;
if (hasHollow)
{
profileHollowFaceNumber = profile.hollowFaceNumber;
if (!needEndFaces)
profileHollowFaceNumber--;
}
int cut1Vert = -1;
int cut2Vert = -1;
if (hasProfileCut)
{
cut1Vert = hasHollow ? profile.coords.Count - 1 : 0;
cut2Vert = hasHollow ? profile.numOuterVerts - 1 : profile.numOuterVerts;
}
if (initialProfileRot != 0.0f)
{
profile.AddRot(new Quat(new Coord(0.0f, 0.0f, 1.0f), initialProfileRot));
if (viewerMode)
profile.MakeFaceUVs();
}
Coord lastCutNormal1 = new Coord();
Coord lastCutNormal2 = new Coord();
float lastV = 1.0f;
Path path = new Path
{
twistBegin = twistBegin2,
twistEnd = twistEnd2,
topShearX = topShearX,
topShearY = topShearY,
pathCutBegin = pathCutBegin,
pathCutEnd = pathCutEnd,
dimpleBegin = dimpleBegin,
dimpleEnd = dimpleEnd,
skew = skew,
holeSizeX = holeSizeX,
holeSizeY = holeSizeY,
taperX = taperX,
taperY = taperY,
radius = radius,
revolutions = revolutions,
stepsPerRevolution = stepsPerRevolution
};
path.Create(pathType, steps);
if (pathType == PathType.Circular)
{
needEndFaces = false;
if (pathCutBegin != 0.0f || pathCutEnd != 1.0f)
needEndFaces = true;
else if (taperX != 0.0f || taperY != 0.0f)
needEndFaces = true;
else if (skew != 0.0f)
needEndFaces = true;
else if (twistTotal != 0.0f)
needEndFaces = true;
else if (radius != 0.0f)
needEndFaces = true;
}
else needEndFaces = true;
for (int nodeIndex = 0; nodeIndex < path.pathNodes.Count; nodeIndex++)
{
PathNode node = path.pathNodes[nodeIndex];
Profile newLayer = profile.Copy();
newLayer.Scale(node.xScale, node.yScale);
newLayer.AddRot(node.rotation);
newLayer.AddPos(node.position);
if (needEndFaces && nodeIndex == 0)
{
newLayer.FlipNormals();
// add the top faces to the viewerFaces list here
if (viewerMode)
{
Coord faceNormal = newLayer.faceNormal;
ViewerFace newViewerFace = new ViewerFace(profile.bottomFaceNumber);
int numFaces = newLayer.faces.Count;
List<Face> faces2 = newLayer.faces;
for (int i = 0; i < numFaces; i++)
{
Face face = faces2[i];
newViewerFace.v1 = newLayer.coords[face.v1];
newViewerFace.v2 = newLayer.coords[face.v2];
newViewerFace.v3 = newLayer.coords[face.v3];
newViewerFace.coordIndex1 = face.v1;
newViewerFace.coordIndex2 = face.v2;
newViewerFace.coordIndex3 = face.v3;
newViewerFace.n1 = faceNormal;
newViewerFace.n2 = faceNormal;
newViewerFace.n3 = faceNormal;
newViewerFace.uv1 = newLayer.faceUVs[face.v1];
newViewerFace.uv2 = newLayer.faceUVs[face.v2];
newViewerFace.uv3 = newLayer.faceUVs[face.v3];
viewerFaces.Add(newViewerFace);
}
}
} // if (nodeIndex == 0)
// append this layer
int coordsLen = coords.Count;
newLayer.AddValue2FaceVertexIndices(coordsLen);
coords.AddRange(newLayer.coords);
if (calcVertexNormals)
{
newLayer.AddValue2FaceNormalIndices(normals.Count);
normals.AddRange(newLayer.vertexNormals);
}
if (node.percentOfPath < pathCutBegin + 0.01f || node.percentOfPath > pathCutEnd - 0.01f)
faces.AddRange(newLayer.faces);
// fill faces between layers
int numVerts = newLayer.coords.Count;
if (nodeIndex > 0)
{
Face newFace = new Face();
int startVert = coordsLen + 1;
int endVert = coords.Count;
if (sides < 5 || hasProfileCut || hasHollow)
startVert--;
for (int i = startVert; i < endVert; i++)
{
int iNext = i + 1;
if (i == endVert - 1)
iNext = startVert;
int whichVert = i - startVert;
newFace.v1 = i;
newFace.v2 = i - numVerts;
newFace.v3 = iNext - numVerts;
faces.Add(newFace);
newFace.v2 = iNext - numVerts;
newFace.v3 = iNext;
faces.Add(newFace);
if (viewerMode)
{
// add the side faces to the list of viewerFaces here
int primFaceNum = profile.faceNumbers[whichVert];
if (!needEndFaces)
primFaceNum -= 1;
ViewerFace newViewerFace1 = new ViewerFace(primFaceNum);
ViewerFace newViewerFace2 = new ViewerFace(primFaceNum);
float u1 = newLayer.us[whichVert];
float u2 = 1.0f;
if (whichVert < newLayer.us.Count - 1)
u2 = newLayer.us[whichVert + 1];
if (whichVert == cut1Vert || whichVert == cut2Vert)
{
u1 = 0.0f;
u2 = 1.0f;
}
else if (sides < 5)
{
if (whichVert < profile.numOuterVerts)
{
// boxes and prisms have one texture face per side of the prim, so the U values have to be scaled
// to reflect the entire texture width
u1 *= sides;
u2 *= sides;
u2 -= (int) u1;
u1 -= (int) u1;
if (u2 < 0.1f)
u2 = 1.0f;
}
else if (whichVert > profile.coords.Count - profile.numHollowVerts - 1)
{
u1 *= 2.0f;
u2 *= 2.0f;
//this.profileHollowFaceNumber = primFaceNum;
}
}
if (this.sphereMode)
{
if (whichVert != cut1Vert && whichVert != cut2Vert)
{
u1 = u1 * 2.0f - 1.0f;
u2 = u2 * 2.0f - 1.0f;
if (whichVert >= newLayer.numOuterVerts)
{
u1 -= hollow;
u2 -= hollow;
}
}
}
newViewerFace1.uv1.U = u1;
newViewerFace1.uv2.U = u1;
newViewerFace1.uv3.U = u2;
newViewerFace1.uv1.V = 1.0f - node.percentOfPath;
newViewerFace1.uv2.V = lastV;
newViewerFace1.uv3.V = lastV;
newViewerFace2.uv1.U = u1;
newViewerFace2.uv2.U = u2;
newViewerFace2.uv3.U = u2;
newViewerFace2.uv1.V = 1.0f - node.percentOfPath;
newViewerFace2.uv2.V = lastV;
newViewerFace2.uv3.V = 1.0f - node.percentOfPath;
newViewerFace1.v1 = coords[i];
newViewerFace1.v2 = coords[i - numVerts];
newViewerFace1.v3 = coords[iNext - numVerts];
newViewerFace2.v1 = coords[i];
newViewerFace2.v2 = coords[iNext - numVerts];
newViewerFace2.v3 = coords[iNext];
newViewerFace1.coordIndex1 = i;
newViewerFace1.coordIndex2 = i - numVerts;
newViewerFace1.coordIndex3 = iNext - numVerts;
newViewerFace2.coordIndex1 = i;
newViewerFace2.coordIndex2 = iNext - numVerts;
newViewerFace2.coordIndex3 = iNext;
// profile cut faces
if (whichVert == cut1Vert)
{
newViewerFace1.n1 = newLayer.cutNormal1;
newViewerFace1.n2 = newViewerFace1.n3 = lastCutNormal1;
newViewerFace2.n1 = newViewerFace2.n3 = newLayer.cutNormal1;
newViewerFace2.n2 = lastCutNormal1;
}
else if (whichVert == cut2Vert)
{
newViewerFace1.n1 = newLayer.cutNormal2;
newViewerFace1.n2 = newViewerFace1.n3 = lastCutNormal2;
newViewerFace2.n1 = newViewerFace2.n3 = newLayer.cutNormal2;
newViewerFace2.n2 = lastCutNormal2;
}
else // outer and hollow faces
{
if ((sides < 5 && whichVert < newLayer.numOuterVerts) ||
(hollowSides < 5 && whichVert >= newLayer.numOuterVerts))
{
// looks terrible when path is twisted... need vertex normals here
newViewerFace1.CalcSurfaceNormal();
newViewerFace2.CalcSurfaceNormal();
}
else
{
newViewerFace1.n1 = normals[i];
newViewerFace1.n2 = normals[i - numVerts];
newViewerFace1.n3 = normals[iNext - numVerts];
newViewerFace2.n1 = normals[i];
newViewerFace2.n2 = normals[iNext - numVerts];
newViewerFace2.n3 = normals[iNext];
}
}
viewerFaces.Add(newViewerFace1);
viewerFaces.Add(newViewerFace2);
}
}
}
lastCutNormal1 = newLayer.cutNormal1;
lastCutNormal2 = newLayer.cutNormal2;
lastV = 1.0f - node.percentOfPath;
if (needEndFaces && nodeIndex == path.pathNodes.Count - 1 && viewerMode)
{
// add the top faces to the viewerFaces list here
Coord faceNormal = newLayer.faceNormal;
ViewerFace newViewerFace = new ViewerFace {primFaceNumber = 0};
int numFaces = newLayer.faces.Count;
List<Face> faces2 = newLayer.faces;
for (int i = 0; i < numFaces; i++)
{
Face face = faces2[i];
newViewerFace.v1 = newLayer.coords[face.v1 - coordsLen];
newViewerFace.v2 = newLayer.coords[face.v2 - coordsLen];
newViewerFace.v3 = newLayer.coords[face.v3 - coordsLen];
newViewerFace.coordIndex1 = face.v1 - coordsLen;
newViewerFace.coordIndex2 = face.v2 - coordsLen;
newViewerFace.coordIndex3 = face.v3 - coordsLen;
newViewerFace.n1 = faceNormal;
newViewerFace.n2 = faceNormal;
newViewerFace.n3 = faceNormal;
newViewerFace.uv1 = newLayer.faceUVs[face.v1 - coordsLen];
newViewerFace.uv2 = newLayer.faceUVs[face.v2 - coordsLen];
newViewerFace.uv3 = newLayer.faceUVs[face.v3 - coordsLen];
viewerFaces.Add(newViewerFace);
}
}
} // for (int nodeIndex = 0; nodeIndex < path.pathNodes.Count; nodeIndex++)
}