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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
#include "hsTypes.h"
#include "hsStream.h"
#include "hsOscillator.h"
#include "../plMath/hsFastMath.h"
#include "hsGTriMesh.h"
#include "hsTriangle3.h"
#include "../plPipeline/plPipeline.h"
#if defined(__MWERKS__) && !defined(HS_DEBUGGING)
#pragma optimization_level 0
#endif
static hsScalar rnd0_1()
{
return hsScalar(rand()) / hsScalar(RAND_MAX);
}
void hsWave::Save(hsStream* s, hsScalar secs)
{
fWorldCenter.Write(s);
s->WriteSwapScalar(fWorldFrequency);
s->WriteSwapScalar(fWorldAmplitude);
s->WriteSwapScalar(fPhase);
s->WriteSwapScalar(fRate);
s->WriteSwapScalar(secs - fStartSecs);
s->WriteSwapScalar(fSecsToLive);
}
void hsWave::Load(hsStream* s, hsScalar secs)
{
fWorldCenter.Read(s);
fWorldFrequency = s->ReadSwapScalar();
fWorldAmplitude = s->ReadSwapScalar();
fPhase = s->ReadSwapScalar();
fRate = s->ReadSwapScalar();
fStartSecs = s->ReadSwapScalar();
fStartSecs = secs - fStartSecs;
fSecsToLive = s->ReadSwapScalar();
}
void hsWave::Init(hsScalar secs, hsPoint3& center, hsScalar per, hsScalar amp, hsScalar rate, hsScalar life, hsBool32 attenOut)
{
fStartSecs = secs;
fWorldCenter = center;
fWorldFrequency = hsScalarInvert(per);
fWorldAmplitude = amp;
fRate = rate;
fSecsToLive = life;
AttenuateOut(attenOut);
}
hsBool32 hsWave::IsSpent(hsScalar secs) const
{
return secs - fStartSecs > fSecsToLive;
}
void hsWave::Accumulate(const hsPoint3& pos, const hsVector3& localZ, hsVector3& accum, hsVector3& accumNorm) const
{
hsVector3 del(&pos, &fLocalCenter);
hsScalar dot = del.InnerProduct(localZ);
dot *= -2.f;
del += localZ * dot;
hsScalar dist = del.MagnitudeSquared();
dist = hsFastMath::InvSqrtAppr(dist);
del *= dist;
dist = hsScalarInvert(dist);
hsScalar ampl = fLocalAmplitude;
if( fAttenuateOutScale > 0 )
{
if( dist > fInnerRadius )
{
if( dist > fOuterRadius )
return;
ampl *= fOuterRadius - dist;
ampl *= fAttenuateOutScale;
}
}
dist *= fLocalFrequency;
dist += fPhase;
hsScalar s, c;
hsFastMath::SinCosAppr(dist, s, c);
s *= ampl;
s += ampl;
c *= ampl * fLocalFrequency;
// accum += s * localZ;
accum.fZ += s / localZ.fZ;
hsVector3 norm;
norm = localZ;
norm += del * -c;
accumNorm += norm;
return;
}
void hsWave::Update(hsScalar secs, const hsMatrix44& l2w, const hsMatrix44& w2l)
{
if( l2w.fFlags & hsMatrix44::kIsIdent )
{
fLocalCenter = fWorldCenter;
fLocalFrequency = fWorldFrequency;
fLocalAmplitude = fWorldAmplitude;
}
else
{
hsVector3 ax;
ax.Set(w2l.fMap[0][2], w2l.fMap[1][2], w2l.fMap[2][2]);
hsScalar ooScale = ax.MagnitudeSquared();
ooScale = hsFastMath::InvSqrtAppr(ooScale);
fLocalCenter = w2l * fWorldCenter;
fLocalFrequency = fWorldFrequency * ooScale;
hsScalar scale = 1.f / ooScale;
fLocalAmplitude = fWorldAmplitude * scale;
}
fLocalAmplitude *= AgeScale(secs);
if( fAttenuateOutScale > 0 )
{
fInnerRadius = fRate * (secs - fStartSecs) * hsScalarPI * 2.f;
fOuterRadius = fInnerRadius * (5.f/4.f);
fAttenuateOutScale = hsScalarInvert(fOuterRadius - fInnerRadius);
}
fPhase = -(secs - fStartSecs) * fRate * hsScalarPI * 2.f;
}
hsScalar hsWave::ScaledAmplitude(hsScalar secs) const
{
return fWorldAmplitude * AgeScale(secs);
}
hsScalar hsWave::AgeScale(hsScalar secs) const
{
hsScalar age = secs - fStartSecs;
extern int dbgCurrentTest;
if( dbgCurrentTest )
{
age *= 4.f;
age -= 2.f * fSecsToLive;
if( age < 0 )
age = -age;
age -= fSecsToLive;
}
else
{
age *= 2.f;
age -= fSecsToLive;
if( age < 0 )
age = -age;
}
hsScalar ageScale = 1.f - age / fSecsToLive;
if( ageScale < 0 )
ageScale = 0;
else if( ageScale > 1.f )
ageScale = 1.f;
return ageScale;
}
hsOscillator::hsOscillator()
{
}
hsOscillator::~hsOscillator()
{
}
hsWave& hsOscillator::GetWeakestWave(hsScalar secs)
{
hsAssert(!GetDisabled(), "Shouldn't be messing with disabled oscillator system");
int weakest = 0;
hsScalar amp = fWaves[0].ScaledAmplitude(secs);
int i;
for( i = 0; i < fWaves.GetCount(); i++ )
{
hsScalar tAmp = fWaves[i].ScaledAmplitude(secs);
if( tAmp < amp )
{
weakest = i;
amp = tAmp;
}
}
return fWaves[weakest];
}
hsWave& hsOscillator::GetTempWave(hsScalar secs)
{
int i;
for( i = 0; i < fTempWaves.GetCount(); i++ )
{
if( fTempWaves[i].IsSpent(secs) )
return fTempWaves[i];
}
fTempWaves.Push();
return fTempWaves[fTempWaves.GetCount()-1];
}
void hsOscillator::ISpawnWave(hsScalar secs, int i)
{
hsPoint3 corner;
fWorldCenterBounds.GetCorner(&corner);
hsVector3 ax[3];
fWorldCenterBounds.GetAxes(ax+0, ax+1, ax+2);
hsScalar r;
r = rnd0_1();
ax[0] *= r;
corner += ax[0];
r = rnd0_1();
ax[1] *= r;
corner += ax[1];
r = rnd0_1();
ax[2] *= r;
corner += ax[2];
hsScalar per = fMinPeriod;
r = rnd0_1();
hsScalar rr = r;
r *= fMaxPeriod - fMinPeriod;
per += r;
hsScalar amp = fMinAmplitude;
r = rr * rnd0_1();
r *= fMaxAmplitude - fMinAmplitude;
amp += r;
hsScalar life = fMinLife;
r = rnd0_1();
r *= fMaxLife - fMinLife;
life += r;
hsScalar rate = fMinRate;
r = rnd0_1();
r *= fMaxRate - fMinRate;
rate += r;
fWaves[i].Init(secs, corner, per, amp, rate, life);
}
void hsOscillator::IUpdate(hsScalar secs, plPipeline* pipe, const hsMatrix44& l2w, const hsMatrix44& w2l)
{
if( GetDisabled() )
return;
fWorldCenter = pipe->GetViewPositionWorld();
fWorldCenter.fZ = (fWorldCenterBounds.GetMins().fZ + fWorldCenterBounds.GetMaxs().fZ) * 0.5f;
fLocalCenter = w2l * fWorldCenter;
fLocalToWorld = l2w;
fWorldToLocal = w2l;
fLocalX.Set(w2l.fMap[0][0],w2l.fMap[1][0],w2l.fMap[2][0]);
fLocalX.Normalize();
fLocalY.Set(w2l.fMap[0][1],w2l.fMap[1][1],w2l.fMap[2][1]);
fLocalY.Normalize();
fLocalZ.Set(w2l.fMap[0][2],w2l.fMap[1][2],w2l.fMap[2][2]);
fLocalZ.Normalize();
hsVector3 ax;
hsScalar ooScale;
ax.Set(w2l.fMap[0][0], w2l.fMap[1][0], w2l.fMap[2][0]);
ooScale = ax.MagnitudeSquared();
ooScale = hsFastMath::InvSqrtAppr(ooScale);
fLocalAttenScale.fX = fWorldAttenScale.fX * ooScale;
ax.Set(w2l.fMap[0][1], w2l.fMap[1][1], w2l.fMap[2][1]);
ooScale = ax.MagnitudeSquared();
ooScale = hsFastMath::InvSqrtAppr(ooScale);
fLocalAttenScale.fY = fWorldAttenScale.fY * ooScale;
fLocalAttenScale.fZ = 0;
int i;
for( i = 0; i < fWaves.GetCount(); i++ )
{
if( fWaves[i].IsSpent(secs) )
ISpawnWave(secs, i);
fWaves[i].Update(secs, l2w, w2l);
}
for( i = 0; i < fTempWaves.GetCount(); i++ )
{
while( (i < fTempWaves.GetCount()) && fTempWaves[i].IsSpent(secs) )
fTempWaves.Remove(i, 1);
if( i < fTempWaves.GetCount() )
fTempWaves[i].Update(secs, l2w, w2l);
}
}
hsScalar hsOscillator::IAttenuate(const hsPoint3& in) const
{
const hsPoint3& cen = fLocalCenter;
hsVector3 del(&in, &cen);
hsScalar atX = del.InnerProduct(fLocalX);
atX *= fLocalAttenScale.fX;
if( atX > 0 )
atX = -atX;
atX += 1.f;
if( atX < 0 )
atX = 0;
hsScalar atY = del.InnerProduct(fLocalY);
atY *= fLocalAttenScale.fY;
if( atY > 0 )
atY = -atY;
atY += 1.f;
if( atY < 0 )
atY = 0;
hsScalar at = atX * atY;
return at;
}
void hsOscillator::AdjustWorldBounds(const hsMatrix44& l2w, const hsMatrix44& w2l, hsBounds3Ext& bnd) const
{
if( GetDisabled() )
return;
hsVector3 adj;
adj.Set(0,1.f/fLocalZ.fZ,0);
adj = l2w * adj;
adj *= fMaxAmplitude * fWaves.GetCount();
bnd.Union(&adj);
adj = -adj;
bnd.Union(&adj);
}
void hsOscillator::IPerterb(const hsPoint3& in, hsGVertex3& out) const
{
hsPoint3 pos = in;
hsVector3 del(&pos, &fLocalCenter);
hsScalar dot = del.InnerProduct(fLocalZ);
pos += fLocalZ * -dot;
hsVector3 accum;
hsVector3 accumNorm;
accum.Set(0,0,0);
accumNorm.Set(0,0,0);
int i;
for( i = 0; i < fWaves.GetCount(); i++ )
{
fWaves[i].Accumulate(pos, fLocalZ, accum, accumNorm);
}
for( i = 0; i < fTempWaves.GetCount(); i++ )
{
fTempWaves[i].Accumulate(pos, fLocalZ, accum, accumNorm);
}
hsScalar atten = IAttenuate(pos);
static int attenuating = 1;
if( attenuating ) // nuke me
accum *= atten;
out.fLocalPos = in + accum;
hsScalar invNorm = hsFastMath::InvSqrtAppr(accumNorm.MagnitudeSquared());
accumNorm *= invNorm;
out.fNormal = accumNorm;
}
void hsOscillator::Read(hsStream* s)
{
int n = s->ReadSwap32();
SetNumWaves(n);
fWorldAttenScale.Read(s);
fWorldCenterBounds.Read(s);
fMinPeriod = s->ReadSwapScalar();
fMaxPeriod = s->ReadSwapScalar();
fMinAmplitude = s->ReadSwapScalar();
fMaxAmplitude = s->ReadSwapScalar();
fMinRate = s->ReadSwapScalar();
fMaxRate = s->ReadSwapScalar();
fMinLife = s->ReadSwapScalar();
fMaxLife = s->ReadSwapScalar();
int i;
for( i = 0; i < fWaves.GetCount(); i++ )
fWaves[i].Kill();
fTempWaves.Reset();
}
void hsOscillator::Load(hsStream* s, hsScalar secs)
{
Read(s);
int i;
for( i = 0; i < fWaves.GetCount(); i++ )
fWaves[i].Load(s, secs);
fTempWaves.Reset();
}
void hsOscillator::Write(hsStream* s)
{
s->WriteSwap32(fWaves.GetCount());
fWorldAttenScale.Write(s);
fWorldCenterBounds.Write(s);
s->WriteSwapScalar(fMinPeriod);
s->WriteSwapScalar(fMaxPeriod);
s->WriteSwapScalar(fMinAmplitude);
s->WriteSwapScalar(fMaxAmplitude);
s->WriteSwapScalar(fMinRate);
s->WriteSwapScalar(fMaxRate);
s->WriteSwapScalar(fMinLife);
s->WriteSwapScalar(fMaxLife);
}
void hsOscillator::Save(hsStream* s, hsScalar secs)
{
Write(s);
int i;
for( i = 0; i < fWaves.GetCount(); i++ )
fWaves[i].Save(s, secs);
}
void hsOscillator::SetNumWaves(int n)
{
fWaves.SetCount(n);
int i;
for( i = 0; i < n; i++ )
fWaves[i].Kill();
}
void hsOscillator::Init(Int32 nParams, hsScalar* params)
{
// NumWaves = 1
// AttenScale = 2
// WorldCenterBounds = 6
// Period = 2
// Amp = 2
// Rate = 2
// Life = 2
hsAssert(17 == nParams, "Parameter input mismatch");
SetNumWaves(int(*params++));
fWorldAttenScale.fX = *params++;
fWorldAttenScale.fY = *params++;
fWorldAttenScale.fZ = 0;
hsPoint3 pt;
hsBounds3Ext bnd;
pt.fX = *params++;
pt.fY = *params++;
pt.fZ = *params++;
bnd.Reset(&pt);
pt.fX = *params++;
pt.fY = *params++;
pt.fZ = *params++;
bnd.Union(&pt);
SetWorldCenterBounds(bnd);
SetPeriodRange(params[0], params[1]);
params += 2;
SetAmplitudeRange(params[0], params[1]);
params += 2;
SetRateRange(params[0], params[1]);
params += 2;
SetLifeRange(params[0], params[1]);
fTempWaves.Reset();
}
#if 1
hsGTriMesh* hsOscillator::MakeWaveMesh(int nSpokes, const hsPoint3& center, hsScalar minRad, hsScalar maxRad, hsScalar uRange, hsScalar vRange, hsScalar attenStartFrac, hsBool32 stitch)
{
hsGTriMesh* triMesh = new hsGTriMesh;
hsTArray<hsScalar> radii;
hsScalar cRad = 0;
while( cRad < maxRad )
{
// OOPS - for the half circle, this should be PI*R/n, not 2PI. Don't fix until we've corrected the callers. Or we might want to leave it like
// this anyway, since we're looking obliquely at these faces anyway, and this error stretches the side that perspective compresses. May
// want to make the unstitched version wrong in the same way.
hsScalar tRad = 2.f * hsScalarPI * cRad / nSpokes;
if( tRad < minRad )
tRad = minRad;
cRad += tRad;
radii.Append(cRad);
}
int nShell = radii.GetCount();
int nTris = stitch
? 2 * nSpokes * (nShell-1) + nSpokes
: 2 * (nSpokes-1) * (nShell-1) + (nSpokes-1);
int nVerts = nSpokes * nShell + 1;
triMesh->AllocatePointers(nTris, nVerts, nVerts, nVerts);
triMesh->SetNumTriVertex(nVerts);
triMesh->SetNumPoints(nVerts);
triMesh->SetNumUvs(nVerts);
triMesh->SetHasColors(true);
*triMesh->GetPoint(0) = center;
triMesh->GetNormal(0)->Set(0,1.f,0);
triMesh->GetColor(0)->Set(0,0,0,1.f);
triMesh->GetUvs(0)->fX = triMesh->GetUvs(0)->fY = triMesh->GetUvs(0)->fZ = 0;
hsScalar iToRadians = stitch
? 2.f * hsScalarPI / nSpokes
: hsScalarPI / nSpokes;
hsScalar attenStart = maxRad * attenStartFrac;
hsScalar attenEnd = maxRad;
hsScalar attenScale = hsScalarInvert(attenEnd - attenStart);
int i, j;
for( i = 0; i < nSpokes; i++ )
{
hsScalar s = hsSine(i * iToRadians);
hsScalar c = hsCosine(i * iToRadians);
for( j = 0; j < nShell; j++ )
{
hsAssert(1 + i*nShell + j < nVerts, "Going out of range on verts");
hsGVertex3* vtx = triMesh->GetVertex(1 + i*nShell + j);
hsColorRGBA* col = triMesh->GetColor(1 + i*nShell + j);
hsGUv* uv = triMesh->GetUvs(1 + i*nShell + j);
hsScalar x = c * radii[j];
hsScalar y = s * radii[j];
hsScalar u = x / uRange;
hsScalar v = y / vRange;
vtx->fLocalPos.fX = center.fX + x;
vtx->fLocalPos.fY = center.fY + y;
vtx->fLocalPos.fZ = 0.f;
vtx->fNormal.Set(0,0,1.f);
uv->fX = u;
uv->fY = v;
uv->fZ = 0.f;
if( radii[j] > attenStart )
{
hsScalar a = (attenEnd - radii[j]) * attenScale;
if( a < 0 )
a = 0;
else if( a > 1.f )
a = 1.f;
col->Set(0,0,0,a);
}
else
col->Set(0,0,0,1.f);
}
}
int spokeEnd = stitch ? nSpokes : nSpokes-1;
int nextTri = 0;
for( i = 0; i < spokeEnd; i++ )
{
hsTriangle3* tri = triMesh->GetTriFromPool(nextTri);
tri->Zero();
tri->fOrigTri = tri;
triMesh->SetTriangle(nextTri++, tri);
tri->fVert[0] = triMesh->GetTriVertex(0);
tri->fVert[0]->fVtx = triMesh->GetVertex(0);
tri->fVert[0]->SetNumUvChannels(1);
tri->fVert[0]->fUvChan[0] = triMesh->GetUvs(0);
tri->fVert[0]->fVtxColor = triMesh->GetColor(0);
int iv0 = 1 + i * nShell;
int iv1 = i < nSpokes - 1 ? 1 + (i+1)*nShell : 1;
hsAssert((iv0 < nVerts)&&(iv1 < nVerts), "Out of range on triverts");
tri->fVert[1] = triMesh->GetTriVertex(iv0);
tri->fVert[1]->fVtx = triMesh->GetVertex(iv0);
tri->fVert[1]->SetNumUvChannels(1);
tri->fVert[1]->fUvChan[0] = triMesh->GetUvs(iv0);
tri->fVert[1]->fVtxColor = triMesh->GetColor(iv0);
tri->fVert[2] = triMesh->GetTriVertex(iv1);
tri->fVert[2]->fVtx = triMesh->GetVertex(iv1);
tri->fVert[2]->SetNumUvChannels(1);
tri->fVert[2]->fUvChan[0] = triMesh->GetUvs(iv1);
tri->fVert[2]->fVtxColor = triMesh->GetColor(iv1);
tri->fVert[0]->fFlags = hsGTriVertex::kHasPointers
| hsGTriVertex::kHasVertexUvs
| hsGTriVertex::kHasVertexColors;
tri->fVert[1]->fFlags = hsGTriVertex::kHasPointers
| hsGTriVertex::kHasVertexUvs
| hsGTriVertex::kHasVertexColors;
tri->fVert[2]->fFlags = hsGTriVertex::kHasPointers
| hsGTriVertex::kHasVertexUvs
| hsGTriVertex::kHasVertexColors;
tri->fFlags |= hsTriangle3::kHasVertexPosNorms
| hsTriangle3::kHasVertexUvs
| hsTriangle3::kHasVertexColors
| hsTriangle3::kHasPointers;
int iv2 = iv0 + 1;
int iv3 = iv1 + 1;
hsAssert((iv1 < nVerts)&&(iv2 < nVerts), "Out of range on triverts");
for( j = 0; j < nShell-1; j++ )
{
tri = triMesh->GetTriFromPool(nextTri);
tri->Zero();
tri->fOrigTri = tri;
triMesh->SetTriangle(nextTri++, tri);
tri->fVert[0] = triMesh->GetTriVertex(iv0);
tri->fVert[0]->fVtx = triMesh->GetVertex(iv0);
tri->fVert[0]->SetNumUvChannels(1);
tri->fVert[0]->fUvChan[0] = triMesh->GetUvs(iv0);
tri->fVert[0]->fVtxColor = triMesh->GetColor(iv0);
tri->fVert[1] = triMesh->GetTriVertex(iv2);
tri->fVert[1]->fVtx = triMesh->GetVertex(iv2);
tri->fVert[1]->SetNumUvChannels(1);
tri->fVert[1]->fUvChan[1] = triMesh->GetUvs(iv2);
tri->fVert[1]->fVtxColor = triMesh->GetColor(iv2);
tri->fVert[2] = triMesh->GetTriVertex(iv3);
tri->fVert[2]->fVtx = triMesh->GetVertex(iv3);
tri->fVert[2]->SetNumUvChannels(1);
tri->fVert[2]->fUvChan[0] = triMesh->GetUvs(iv3);
tri->fVert[2]->fVtxColor = triMesh->GetColor(iv3);
tri->fVert[0]->fFlags = hsGTriVertex::kHasPointers
| hsGTriVertex::kHasVertexUvs
| hsGTriVertex::kHasVertexColors;
tri->fVert[1]->fFlags = hsGTriVertex::kHasPointers
| hsGTriVertex::kHasVertexUvs
| hsGTriVertex::kHasVertexColors;
tri->fVert[2]->fFlags = hsGTriVertex::kHasPointers
| hsGTriVertex::kHasVertexUvs
| hsGTriVertex::kHasVertexColors;
tri->fFlags |= hsTriangle3::kHasVertexPosNorms
| hsTriangle3::kHasVertexUvs
| hsTriangle3::kHasVertexColors
| hsTriangle3::kHasPointers;
tri = triMesh->GetTriFromPool(nextTri);
tri->Zero();
tri->fOrigTri = tri;
triMesh->SetTriangle(nextTri++, tri);
tri->fVert[0] = triMesh->GetTriVertex(iv0);
tri->fVert[0]->fVtx = triMesh->GetVertex(iv0);
tri->fVert[0]->SetNumUvChannels(1);
tri->fVert[0]->fUvChan[0] = triMesh->GetUvs(iv0);
tri->fVert[0]->fVtxColor = triMesh->GetColor(iv0);
tri->fVert[1] = triMesh->GetTriVertex(iv3);
tri->fVert[1]->fVtx = triMesh->GetVertex(iv3);
tri->fVert[1]->SetNumUvChannels(1);
tri->fVert[1]->fUvChan[0] = triMesh->GetUvs(iv3);
tri->fVert[1]->fVtxColor = triMesh->GetColor(iv3);
tri->fVert[2] = triMesh->GetTriVertex(iv1);
tri->fVert[2]->fVtx = triMesh->GetVertex(iv1);
tri->fVert[2]->SetNumUvChannels(1);
tri->fVert[2]->fUvChan[0] = triMesh->GetUvs(iv1);
tri->fVert[2]->fVtxColor = triMesh->GetColor(iv1);
tri->fVert[0]->fFlags = hsGTriVertex::kHasPointers
| hsGTriVertex::kHasVertexUvs
| hsGTriVertex::kHasVertexColors;
tri->fVert[1]->fFlags = hsGTriVertex::kHasPointers
| hsGTriVertex::kHasVertexUvs
| hsGTriVertex::kHasVertexColors;
tri->fVert[2]->fFlags = hsGTriVertex::kHasPointers
| hsGTriVertex::kHasVertexUvs
| hsGTriVertex::kHasVertexColors;
tri->fFlags |= hsTriangle3::kHasVertexPosNorms
| hsTriangle3::kHasVertexUvs
| hsTriangle3::kHasVertexColors
| hsTriangle3::kHasPointers;
iv0++;
iv1++;
iv2++;
iv3++;
}
}
hsAssert(nextTri <= nTris, "Out of range on tris");
triMesh->StoreOrigPoints();
return triMesh;
}
#endif