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Fix a floating point comparison that was causing some misshaped triangles on some prim faces

0.6.2-post-fixes
Dahlia Trimble 2008-12-22 06:07:51 +00:00
parent ae30d74b79
commit c66cfb51f7
1 changed files with 19 additions and 8 deletions
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27
OpenSim/Region/Physics/Meshing/PrimMesher.cs
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@ -651,7 +651,8 @@ namespace PrimMesher
this.numOuterVerts = angles.angles.Count;
// flag to create as few triangles as possible for 3 or 4 side profile
bool simpleFace = (sides < 5 && !(hasHollow || hasProfileCut));
//bool simpleFace = (sides < 5 && !(hasHollow || hasProfileCut));
bool simpleFace = (sides < 5 && !hasHollow && !hasProfileCut);
if (hasHollow)
{
@ -709,7 +710,7 @@ namespace PrimMesher
for (int i = 0; i < numAngles; i++)
{
// int iNext = i == numAngles ? i + 1 : 0;
//int iNext = i == numAngles ? i + 1 : 0;
angle = angles.angles[i];
newVert.X = angle.X * xScale;
newVert.Y = angle.Y * yScale;
@ -717,7 +718,6 @@ namespace PrimMesher
this.coords.Add(newVert);
if (this.calcVertexNormals)
{
if (sides < 5)
{
this.vertexNormals.Add(angles.normals[i]);
@ -731,7 +731,7 @@ namespace PrimMesher
}
}
if (hollow > 0.0f)
if (hasHollow)
{
if (hollowSides == sides)
{
@ -807,7 +807,7 @@ namespace PrimMesher
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)
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;
@ -832,7 +832,7 @@ namespace PrimMesher
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)
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;
@ -853,6 +853,7 @@ namespace PrimMesher
}
this.coords.AddRange(hollowCoords);
if (this.calcVertexNormals)
{
this.vertexNormals.AddRange(hollowNormals);
@ -1327,6 +1328,8 @@ namespace PrimMesher
profile.MakeFaceUVs();
}
if (this.sides == 4 && this.hollowSides == 3)
profile.DumpRaw("d:\\", "primProfile", "");
Coord lastCutNormal1 = new Coord();
Coord lastCutNormal2 = new Coord();
@ -1367,8 +1370,12 @@ namespace PrimMesher
{
Coord faceNormal = newLayer.faceNormal;
ViewerFace newViewerFace = new ViewerFace(0);
foreach (Face face in newLayer.faces)
int numFaces = newLayer.faces.Count;
List<Face> faces = newLayer.faces;
for (int i = 0; i < numFaces; i++)
{
Face face = faces[i];
newViewerFace.v1 = newLayer.coords[face.v1];
newViewerFace.v2 = newLayer.coords[face.v2];
newViewerFace.v3 = newLayer.coords[face.v3];
@ -1558,8 +1565,12 @@ namespace PrimMesher
Coord faceNormal = newLayer.faceNormal;
ViewerFace newViewerFace = new ViewerFace();
newViewerFace.primFaceNumber = newLayer.bottomFaceNumber;
foreach (Face face in newLayer.faces)
int numFaces = newLayer.faces.Count;
List<Face> faces = newLayer.faces;
for (int i = 0; i < numFaces; i++)
{
Face face = faces[i];
newViewerFace.v1 = newLayer.coords[face.v1 - coordsLen];
newViewerFace.v2 = newLayer.coords[face.v2 - coordsLen];
newViewerFace.v3 = newLayer.coords[face.v3 - coordsLen];