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Fixed a floating point error accumulation that was causing missing end faces on some twisted prims

0.6.0-stable
Dahlia Trimble 2008-10-24 05:31:43 +00:00
parent 369aa8f46b
commit a11fa9055a
1 changed files with 69 additions and 35 deletions
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104
OpenSim/Region/Physics/Meshing/PrimMesher.cs
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@ -96,6 +96,11 @@ namespace PrimMesher
return this;
}
public override string ToString()
{
return "< X: " + this.X.ToString() + ", Y: " + this.Y.ToString() + ", Z: " + this.Z.ToString() + ", W: " + this.W.ToString() + ">";
}
}
public struct Coord
@ -153,6 +158,16 @@ namespace PrimMesher
);
}
public static Coord operator +(Coord v, Coord a)
{
return new Coord(v.X + a.X, v.Y + a.Y, v.Z + a.Z);
}
public static Coord operator *(Coord v, Coord m)
{
return new Coord(v.X * m.X, v.Y * m.Y, v.Z * m.Z);
}
public static Coord operator *(Coord v, Quat q)
{
// From http://www.euclideanspace.com/maths/algebra/realNormedAlgebra/quaternions/transforms/
@ -895,36 +910,20 @@ namespace PrimMesher
{
int i;
int numVerts = this.coords.Count;
Coord c;
for (i = 0; i < numVerts; i++)
{
c = this.coords[i];
Coord v = new Coord(c.X, c.Y, c.Z) * q;
c.X = v.X;
c.Y = v.Y;
c.Z = v.Z;
this.coords[i] = c;
}
this.coords[i] *= q;
if (this.calcVertexNormals)
{
int numNormals = this.vertexNormals.Count;
for (i = 0; i < numNormals; i++)
{
c = this.vertexNormals[i];
Coord n = new Coord(c.X, c.Y, c.Z) * q;
c.X = n.X;
c.Y = n.Y;
c.Z = n.Z;
this.vertexNormals[i] = c;
}
this.vertexNormals[i] *= q;
this.faceNormal *= q;
this.cutNormal1 *= q;
this.cutNormal2 *= q;
}
}
@ -1298,7 +1297,7 @@ namespace PrimMesher
this.normals.AddRange(newLayer.vertexNormals);
}
if (percentOfPath <= this.pathCutBegin || percentOfPath >= this.pathCutEnd)
if (percentOfPath < this.pathCutBegin + 0.01f || percentOfPath > this.pathCutEnd - 0.01f)
this.faces.AddRange(newLayer.faces);
// fill faces between layers
@ -1485,7 +1484,7 @@ namespace PrimMesher
if (done && viewerMode)
{
// add the bottom faces to the viewerFaces list here
// add the top faces to the viewerFaces list here
Coord faceNormal = newLayer.faceNormal;
ViewerFace newViewerFace = new ViewerFace();
newViewerFace.primFaceNumber = 0;
@ -2023,36 +2022,71 @@ namespace PrimMesher
public void AddRot(Quat q)
{
Console.WriteLine("AddRot(" + q.ToString() + ")");
int i;
int numVerts = this.coords.Count;
Coord vert;
for (i = 0; i < numVerts; i++)
{
vert = this.coords[i];
Coord v = new Coord(vert.X, vert.Y, vert.Z) * q;
this.coords[i] *= q;
vert.X = v.X;
vert.Y = v.Y;
vert.Z = v.Z;
this.coords[i] = vert;
if (this.normals != null)
{
int numNormals = this.normals.Count;
for (i = 0; i < numNormals; i++)
this.normals[i] *= q;
}
if (this.viewerFaces != null)
{
int numViewerFaces = this.viewerFaces.Count;
for (i = 0; i < numViewerFaces; i++)
{
ViewerFace v = this.viewerFaces[i];
v.v1 *= q;
v.v2 *= q;
v.v3 *= q;
v.n1 *= q;
v.n2 *= q;
v.n3 *= q;
this.viewerFaces[i] = v;
}
}
}
public void Scale(float x, float y, float z)
{
int i;
int numVerts = this.coords.Count;
Coord vert;
//Coord vert;
Coord m = new Coord(x, y, z);
for (i = 0; i < numVerts; i++)
this.coords[i] *= m;
//{
// vert = this.coords[i];
// vert.X *= x;
// vert.Y *= y;
// vert.Z *= z;
// this.coords[i] = vert;
//}
if (this.viewerFaces != null)
{
vert = this.coords[i];
vert.X *= x;
vert.Y *= y;
vert.Z *= z;
this.coords[i] = vert;
int numViewerFaces = this.viewerFaces.Count;
for (i = 0; i < numViewerFaces; i++)
{
ViewerFace v = this.viewerFaces[i];
v.v1 *= m;
v.v2 *= m;
v.v3 *= m;
this.viewerFaces[i] = v;
}
}
}
public void DumpRaw(String path, String name, String title)