//
// TranslateByNormal
//
Nixin::Point Nixin::Point::TranslateByNormal( const Point& a, const Point& b, const float length )
{
float deltaX;
float deltaY;
float deltaZ;
Point outPoint;
deltaX = ( b.x - a.x ) * length / Distance3D( a, b );
deltaY = ( b.y - a.y ) * length / Distance3D( a, b );
deltaZ = ( b.z - a.z ) * length / Distance3D( a, b );
outPoint.x += deltaX;
outPoint.y += deltaY;
outPoint.z += deltaZ;
return outPoint;
}
bool Triangle3D::IsBad()
{
double d = Distance3D(maxBound,minBound);
if(IsZero(d,0.00001))//可能的双重错误。
{
return true;
}
return false;
}
//-----------------------------------------------------------------------------
// Spawns a Projectile using type, starting position/TargetPosition
void ARX_MISSILES_Spawn(INTERACTIVE_OBJ *io, const long &type, const EERIE_3D *startpos, const EERIE_3D *targetpos)
{
long i(ARX_MISSILES_GetFree());
if (i == -1) return;
missiles[i].owner = GetInterNum(io);
missiles[i].type = type;
missiles[i].lastpos.x = missiles[i].startpos.x = startpos->x;
missiles[i].lastpos.y = missiles[i].startpos.y = startpos->y;
missiles[i].lastpos.z = missiles[i].startpos.z = startpos->z;
float dist;
dist = 1.0F / Distance3D(startpos->x, startpos->y, startpos->z, targetpos->x, targetpos->y,targetpos->z);
missiles[i].velocity.x = (targetpos->x - startpos->x) * dist;
missiles[i].velocity.y = (targetpos->y - startpos->y) * dist;
missiles[i].velocity.z = (targetpos->z - startpos->z) * dist;
missiles[i].lastupdate = missiles[i].timecreation = ARXTimeUL();
switch (type)
{
case MISSILE_FIREBALL:
{
missiles[i].tolive = 6000;
missiles[i].velocity.x *= 0.8f;
missiles[i].velocity.y *= 0.8f;
missiles[i].velocity.z *= 0.8f;
missiles[i].longinfo = GetFreeDynLight();
if (missiles[i].longinfo != -1)
{
DynLight[missiles[i].longinfo].intensity = 1.3f;
DynLight[missiles[i].longinfo].exist = 1;
DynLight[missiles[i].longinfo].fallend = 420.f;
DynLight[missiles[i].longinfo].fallstart = 250.f;
DynLight[missiles[i].longinfo].rgb.r = 1.f;
DynLight[missiles[i].longinfo].rgb.g = 0.8f;
DynLight[missiles[i].longinfo].rgb.b = 0.6f;
DynLight[missiles[i].longinfo].pos.x = startpos->x;
DynLight[missiles[i].longinfo].pos.y = startpos->y;
DynLight[missiles[i].longinfo].pos.z = startpos->z;
}
ARX_SOUND_PlaySFX(SND_SPELL_FIRE_WIND, &missiles[i].startpos, 2.0F);
ARX_SOUND_PlaySFX(SND_SPELL_FIRE_LAUNCH, &missiles[i].startpos, 2.0F);
}
}
}
void CMassParalyse::Update(unsigned long _ulTime)
{
ulCurrentTime += _ulTime;
if (ulCurrentTime < ulDuration)
{
int nb = inter.nbmax, nb2;
while (nb--)
{
if (inter.iobj[nb])
{
float d = Distance3D(ePos.x, ePos.y, ePos.z,
inter.iobj[nb]->pos.x, inter.iobj[nb]->pos.y, inter.iobj[nb]->pos.z);
if (d <= fRayon)
{
nb2 = iNbParalyse;
while (nb2--)
{
if (tabparalyse[nb2].id == nb) break;
}
if (nb2 < 0)
{
tabparalyse[iNbParalyse].id = nb;
tabparalyse[iNbParalyse].paralyse = new CParalyse();
(tabparalyse[iNbParalyse].paralyse)->Create(4, 50, 200.f, 150.f, &inter.iobj[nb]->pos, 10000);
iNbParalyse++;
}
}
}
}
nb = iNbParalyse;
while (nb--)
{
tabparalyse[nb].paralyse->Update(_ulTime);
}
}
}
//-----------------------------------------------------------------------------
// Updates all currently launched projectiles
void ARX_MISSILES_Update()
{
long framediff, framediff2, framediff3;
EERIE_3D orgn, dest, hit;
TextureContainer * tc = TC_fire;
EERIEPOLY *tp = NULL;
unsigned long tim = ARXTimeUL();
for (unsigned long i(0); i < MAX_MISSILES; i++)
{
if (missiles[i].type == MISSILE_NONE) continue;
framediff = missiles[i].timecreation + missiles[i].tolive - tim;
if (framediff < 0)
{
ARX_MISSILES_Kill(i);
continue;
}
framediff2 = missiles[i].timecreation + missiles[i].tolive - missiles[i].lastupdate;
framediff3 = tim - missiles[i].timecreation;
switch (missiles[i].type)
{
case MISSILE_FIREBALL :
{
EERIE_3D pos;
pos.x = missiles[i].startpos.x + missiles[i].velocity.x * framediff3;
pos.y = missiles[i].startpos.y + missiles[i].velocity.y * framediff3;
pos.z = missiles[i].startpos.z + missiles[i].velocity.z * framediff3;
if (missiles[i].longinfo != -1)
{
DynLight[missiles[i].longinfo].pos.x = pos.x;
DynLight[missiles[i].longinfo].pos.y = pos.y;
DynLight[missiles[i].longinfo].pos.z = pos.z;
}
if (USE_COLLISIONS)
{
orgn.x = missiles[i].lastpos.x;
orgn.y = missiles[i].lastpos.y;
orgn.z = missiles[i].lastpos.z;
dest.x = pos.x;
dest.y = pos.y;
dest.z = pos.z;
EERIEPOLY *ep;
EERIEPOLY *epp;
EERIE_3D tro;
tro.x = 70.0F;
tro.y = 70.0F;
tro.z = 70.0F;
CURRENTINTER = NULL;
ep = GetMinPoly(dest.x, dest.y, dest.z);
epp = GetMaxPoly(dest.x, dest.y, dest.z);
if (Distance3D(player.pos.x, player.pos.y, player.pos.z, pos.x, pos.y, pos.z) < 200.0F)
{
ARX_MISSILES_Kill(i);
ARX_BOOMS_Add(&pos);
Add3DBoom(&pos, NULL);
DoSphericDamage(&dest, 180.0F, 200.0F, DAMAGE_AREAHALF, DAMAGE_TYPE_FIRE | DAMAGE_TYPE_MAGICAL);
break;
}
if (ep && ep->center.y < dest.y)
{
ARX_MISSILES_Kill(i);
ARX_BOOMS_Add(&dest);
Add3DBoom(&dest, NULL);
DoSphericDamage(&dest, 180.0F, 200.0F, DAMAGE_AREAHALF, DAMAGE_TYPE_FIRE | DAMAGE_TYPE_MAGICAL);
break;
}
if (epp && epp->center.y > dest.y)
{
ARX_MISSILES_Kill(i);
ARX_BOOMS_Add(&dest);
Add3DBoom(&dest, NULL);
DoSphericDamage(&dest, 180.0F, 200.0F, DAMAGE_AREAHALF, DAMAGE_TYPE_FIRE | DAMAGE_TYPE_MAGICAL);
break;
}
if (EERIELaunchRay3(&orgn, &dest, &hit, tp, 1))
{
ARX_MISSILES_Kill(i);
ARX_BOOMS_Add(&hit);
Add3DBoom(&hit, NULL);
DoSphericDamage(&dest, 180.0F, 200.0F, DAMAGE_AREAHALF, DAMAGE_TYPE_FIRE | DAMAGE_TYPE_MAGICAL);
break;
}
if ( !EECheckInPoly(&dest) || EEIsUnderWaterFast(&dest) ) //ARX: jycorbel (2010-08-20) - rendering issues with bGATI8500: optimize time to render;
{
ARX_MISSILES_Kill(i);
ARX_BOOMS_Add(&dest);
Add3DBoom(&dest, NULL);
DoSphericDamage(&dest, 180.0F, 200.0F, DAMAGE_AREAHALF, DAMAGE_TYPE_FIRE | DAMAGE_TYPE_MAGICAL);
break;
}
long ici = IsCollidingAnyInter(dest.x, dest.y, dest.z, &tro);
if (ici != -1 && ici != missiles[i].owner)
{
ARX_MISSILES_Kill(i);
ARX_BOOMS_Add(&dest);
Add3DBoom(&dest, NULL);
DoSphericDamage(&dest, 180.0F, 200.0F, DAMAGE_AREAHALF, DAMAGE_TYPE_FIRE | DAMAGE_TYPE_MAGICAL);
break;
}
}
long j = ARX_PARTICLES_GetFree();
if (j != -1 && !ARXPausedTimer)
{
ParticleCount++;
particle[j].exist = TRUE;
particle[j].zdec = 0;
particle[j].ov.x = pos.x;
particle[j].ov.y = pos.y;
particle[j].ov.z = pos.z;
particle[j].move.x = missiles[i].velocity.x + 3.0f - 6.0F * rnd();
particle[j].move.y = missiles[i].velocity.y + 4.0F - 12.0F * rnd();
particle[j].move.z = missiles[i].velocity.z + 3.0F - 6.0F * rnd();
particle[j].timcreation = tim;
particle[j].tolive = 500 + (unsigned long)(rnd() * 500.f);
particle[j].tc = tc;
particle[j].siz = 12.0F * (float)(missiles[i].tolive - framediff3) * DIV4000;
particle[j].scale.x = 15.0F + rnd() * 5.0F;
particle[j].scale.y = 15.0F + rnd() * 5.0F;
particle[j].scale.z = 15.0F + rnd() * 5.0F;
particle[j].special = FIRE_TO_SMOKE;
}
missiles[i].lastpos.x = pos.x;
missiles[i].lastpos.y = pos.y;
missiles[i].lastpos.z = pos.z;
break;
}
}
missiles[i].lastupdate = tim;
}
}
void B9SupportStructure::ForceUpdate()
{
QVector3D topFinalNormal;//result of combinging angle factor with source normal.
QVector3D bottomFinalNormal;
QVector3D alongMidDownNormal;
QVector3D alongMidUpNormal;
QVector3D topPivotCross;
QVector3D bottomPivotCross;
if(isGrounded)
{
bottomPoint.setZ(-instanceParent->GetPos().z());
}
length = Distance3D(GetTopPoint(),GetBottomPoint());
//Compute real normal using angle factors
topFinalNormal = topNormal;
topFinalNormal.setX(topNormal.x()*topAngleFactor);
topFinalNormal.setY(topNormal.y()*topAngleFactor);
topFinalNormal.normalize();
bottomFinalNormal = bottomNormal;
bottomFinalNormal.setX(bottomNormal.x()*bottomAngleFactor);
bottomFinalNormal.setY(bottomNormal.y()*bottomAngleFactor);
bottomFinalNormal.normalize();
//Compute pivot positions
topPivot = topPoint - topFinalNormal*topLength;
bottomPivot = bottomPoint - bottomFinalNormal*bottomLength;
//Compute midExtensions based on normal angles,
//these extensions are to cover up top and botton shape gaps.
alongMidDownNormal = (bottomPivot - topPivot);
alongMidDownNormal.normalize();
topPivotCross = QVector3D::crossProduct(topFinalNormal,alongMidDownNormal);
topMidExtension = topPivotCross.length()*topRadius;
topMidExtensionPoint = topPivot - alongMidDownNormal*topMidExtension;
alongMidUpNormal = (topPivot - bottomPivot);
alongMidUpNormal.normalize();
bottomPivotCross = QVector3D::crossProduct(bottomFinalNormal,alongMidUpNormal);
if(isGrounded)
{
bottomMidExtension = midRadius*2*bottomPivotCross.length();
}
else
bottomMidExtension = bottomPivotCross.length()*bottomRadius;
bottomMidExtensionPoint = bottomPivot - alongMidUpNormal*bottomMidExtension;
//True rendered mid length
midLength = Distance3D(topMidExtensionPoint,bottomMidExtensionPoint);
//Compute PenetrationPoints (the true end points that are rendered/baked)
topPenetrationPoint = topPoint + topFinalNormal*topPenetration;
bottomPenetrationPoint = bottomPoint + bottomFinalNormal*bottomPenetration;
//Compute Euler rotations for top, mid, and bottom shapes
topThetaX = qAcos(topFinalNormal.z())*(180/M_PI);
topThetaZ = qAtan2(topFinalNormal.y(),topFinalNormal.x())*(180/M_PI)-90;
if(topThetaZ <= 90)
topThetaZ += 180;
midThetaX = qAcos((topMidExtensionPoint.z() - bottomMidExtensionPoint.z())/midLength)*(180/M_PI);
midThetaZ = qAtan2((topMidExtensionPoint.y() - bottomMidExtensionPoint.y()),
(topMidExtensionPoint.x() - bottomMidExtensionPoint.x()))*(180/M_PI)-90;
if(midThetaZ <= 90)
midThetaZ += 180;
bottomThetaX = qAcos(bottomFinalNormal.z())*(180/M_PI)+180;
bottomThetaZ = qAtan2(bottomFinalNormal.y(),bottomFinalNormal.x())*(180/M_PI)-90;
if(bottomThetaZ <= 90)
bottomThetaZ += 180;
}
//-----------------------------------------------------------------------------
void CIncinerate::Create(EERIE_3D _eSrc, float _fBeta)
{
SetDuration(ulDuration);
SetAngle(_fBeta);
eSrc.x = _eSrc.x;
eSrc.y = _eSrc.y - 20;
eSrc.z = _eSrc.z;
eTarget.x = eSrc.x - fBetaRadSin * 500;
eTarget.y = eSrc.y;
eTarget.z = eSrc.z + fBetaRadCos * 500;
fSize = 1;
int i = 0;
iMax = iNumber;
EERIE_3D s, e, h;
s.x = eSrc.x;
s.y = eSrc.y - 20;
s.z = eSrc.z;
e.x = eSrc.x;
e.y = eSrc.y - 20;
e.z = eSrc.z;
e.x = s.x - fBetaRadSin * 900;
e.y = s.y;
e.z = s.z + fBetaRadCos * 900;
float fd;
i = iMax;
if (!Visible(&s, &e, NULL, &h))
{
e.x = h.x + fBetaRadSin * 20;
e.y = h.y;
e.z = h.z - fBetaRadCos * 20;
}
fd = Distance3D(s.x, s.y, s.z, e.x, e.y, e.z);
float fDur = ulDuration * (fd / 900.0f);
ARX_CHECK_ULONG(fDur);
SetDuration(ARX_CLEAN_WARN_CAST_ULONG(fDur));
float fCalc = (fd / 900.0f) * iMax ;
ARX_CHECK_INT(fCalc);
i = ARX_CLEAN_WARN_CAST_INT(fCalc);
iNumber = i;
int end = 40;
tv1a[0].sx = s.x;
tv1a[0].sy = s.y;
tv1a[0].sz = s.z;
tv1a[end].sx = e.x;
tv1a[end].sy = e.y;
tv1a[end].sz = e.z;
Split(tv1a, 0, end, 10, 1, 0, 1, 10, 1);
CParticleParams cp;
cp.iNbMax = 250;
cp.fLife = 1000;
cp.fLifeRandom = 500;
cp.p3Pos.x = 0;
cp.p3Pos.y = 10;
cp.p3Pos.z = 0;
cp.p3Direction.x = + fBetaRadSin * 4;
cp.p3Direction.y = 0;
cp.p3Direction.z = - fBetaRadCos * 4;
cp.fAngle = DEG2RAD(1);
cp.fSpeed = 0;
cp.fSpeedRandom = 20;
cp.p3Gravity.x = 0;
cp.p3Gravity.y = 0;
cp.p3Gravity.z = 0;
cp.fFlash = 0;
cp.fRotation = 0;
cp.bRotationRandomDirection = false;
cp.bRotationRandomStart = false;
cp.fStartSize = 5;
cp.fStartSizeRandom = 5;
cp.fStartColor[0] = 80;
cp.fStartColor[1] = 80;
cp.fStartColor[2] = 0;
cp.fStartColor[3] = 20;
cp.fStartColorRandom[0] = 81;
cp.fStartColorRandom[1] = 81;
cp.fStartColorRandom[2] = 51;
cp.fStartColorRandom[3] = 51;
cp.bStartLock = true;
cp.fEndSize = 1;
cp.fEndSizeRandom = 5;
cp.fEndColor[0] = 50;
cp.fEndColor[1] = 0;
cp.fEndColor[2] = 0;
cp.fEndColor[3] = 20;
cp.fEndColorRandom[0] = 50;
cp.fEndColorRandom[1] = 50;
cp.fEndColorRandom[2] = 50;
cp.fEndColorRandom[3] = 20;
cp.bEndLock = true;
cp.bTexLoop = true;
cp.iBlendMode = 3;
pPSStream.SetParams(cp);
pPSStream.ulParticleSpawn = 0;
pPSStream.SetTexture("graph\\particles\\smallfire", 4, 10);
pPSStream.fParticleFreq = 250;
pPSStream.bParticleFollow = false;
pPSStream.SetPos(eSrc);
pPSStream.Update(0);
// Hit
cp.iNbMax = 150;
cp.fLife = 2000;
cp.fLifeRandom = 1000;
cp.p3Pos.x = 80;
cp.p3Pos.y = 10;
cp.p3Pos.z = 80;
cp.p3Direction.x = 0;
cp.p3Direction.y = 2;
cp.p3Direction.z = 0;
cp.fAngle = 0;
cp.fSpeed = 0;
cp.fSpeedRandom = 0;
cp.p3Gravity.x = 0;
cp.p3Gravity.y = 0;
cp.p3Gravity.z = 0;
cp.fFlash = 0;
cp.fRotation = 0;
cp.bRotationRandomDirection = false;
cp.bRotationRandomStart = false;
cp.fStartSize = 10;
cp.fStartSizeRandom = 3;
cp.fStartColor[0] = 25;
cp.fStartColor[1] = 25;
cp.fStartColor[2] = 25;
cp.fStartColor[3] = 50;
cp.fStartColorRandom[0] = 51;
cp.fStartColorRandom[1] = 51;
cp.fStartColorRandom[2] = 51;
cp.fStartColorRandom[3] = 101;
cp.bStartLock = false;
cp.fEndSize = 10;
cp.fEndSizeRandom = 3;
cp.fEndColor[0] = 25;
cp.fEndColor[1] = 25;
cp.fEndColor[2] = 25;
cp.fEndColor[3] = 50; //0
cp.fEndColorRandom[0] = 0;
cp.fEndColorRandom[1] = 0;
cp.fEndColorRandom[2] = 0;
cp.fEndColorRandom[3] = 100; //0
cp.bEndLock = false;
cp.bTexLoop = true;
cp.iBlendMode = 0;
pPSHit.SetParams(cp);
pPSHit.ulParticleSpawn = 0;
pPSHit.SetTexture("graph\\particles\\firebase", 4, 100);
pPSHit.fParticleFreq = -1;
pPSHit.SetPos(eSrc);
pPSHit.Update(0);
}
void CreateParametricSurface(POINT_MATRIX *Q,int p,int q,BSPLINE_SURFACE *b)
{
int k,l;
int m,n,num;
double *uk,*ul,*cds,d,total;
m=Q->m;
n=Q->n;
b->p=p;
b->q=q;
b->net=CreateControlNet(m,n);
b->knu=CreateKnotVector(Q->m+p+1);
b->knv=CreateKnotVector(Q->n+q+1);
uk=(double *)calloc(m,sizeof(double));
ul=(double *)calloc(n,sizeof(double));
cds=(double *)calloc(m>n?m+1:n+1,sizeof(double));
num=m+1;
total=0.0;
uk[0]=0.0;
uk[n]=1.0;
for(k=1;k<n;k++)
uk[k]=0.0;
for(l=0;l<n;l++)
{
total=0.0;
for(k=1;k<m;k++)
{
cds[k]=Distance3D(Q->element[k][l],Q->element[k-1][l]);
total+=cds[k];
}
}
if(total==0.0) num--;
else
{
d=0.0;
for(k=1;k<n;k++)
{
d+=cds[k];
uk[k]+=d/total;
}
}
for(k=1;k<n;k++)
uk[k]/=num;
num=n+1;
total=0.0;
ul[0]=0.0;
ul[m]=1.0;
for(k=1;k<m;k++)
ul[k]=0.0;
for(l=0;l<=n;l++)
{
total=0.0;
for(k=1;k<m;k++)
{
cds[k]=Distance3D(Q->element[k][l],Q->element[k-1][l]);
total+=cds[k];
}
}
if(total==0.0) num--;
else
{
d=0.0;
for(k=1;k<m;k++)
{
d+=cds[k];
ul[k]+=d/total;
}
}
for(k=1;k<m;k++)
ul[k]/=num;
for(k=0;k<n;k++)
printf("uk[%d]:%g\n",k,uk[k]);
for(k=0;k<m;k++)
printf("ul[%d]:%g\n",k,ul[k]);
}
