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Modifies box prim profile cut parameters to avoid angles which cause spurious triangles in mesh

0.6.0-stable
Dahlia Trimble 2008-06-25 07:17:36 +00:00
parent ab927231d7
commit bc66a851d6
1 changed files with 11 additions and 0 deletions
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11
OpenSim/Region/Physics/Meshing/Meshmerizer.cs
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@ -475,9 +475,20 @@ namespace OpenSim.Region.Physics.Meshing
fProfileBeginAngle -= (90.0 + 45.0); // for some reasons, the SL client counts from the corner -X/-Y
double fProfileEndAngle = 360.0 - profileEnd/50000.0*360.0; // Pathend comes as complement to 1.0
fProfileEndAngle -= (90.0 + 45.0);
// avoid some problem angles until the hull subtraction routine is fixed
if ((fProfileBeginAngle + 45.0f) % 90.0f == 0.0f)
fProfileBeginAngle += 5.0f;
if ((fProfileEndAngle + 45.0f) % 90.0f == 0.0f)
fProfileEndAngle -= 5.0f;
if (fProfileBeginAngle < fProfileEndAngle)
fProfileEndAngle -= 360.0;
#if SPAM
Console.WriteLine("Meshmerizer: fProfileBeginAngle: " + fProfileBeginAngle.ToString() + " fProfileEndAngle: " + fProfileEndAngle.ToString());
#endif
// Note, that we don't want to cut out a triangle, even if this is a
// good approximation for small cuts. Indeed we want to cut out an arc
// and we approximate this arc by a polygon chain