int CParticle::Bounce (int nThread)
{
if (!gameOpts->render.particles.bCollisions)
return 1;
if (!CollideWithWall (nThread)) {
m_nBounce = ((m_nType == BUBBLE_PARTICLES) || (m_nType == WATERFALL_PARTICLES)) ? 1 : 2;
return 1;
}
if (!--m_nBounce)
return 0;
fix dot = CFixVector::Dot (m_vDrift, *wallNorm [nThread]);
if (dot < I2X (1) / 100) {
m_nLife = -1;
return 0;
}
m_vDrift += m_vDrift + *wallNorm [nThread] * (-2 * dot);
return 1;
}
void GameView::UpdateMonsters(float dt) {
for (std::size_t index = 0; index < m_monsters.size(); ++index) {
const MonsterPtr& monster = m_monsters[index];
if (monster) {
CollideWithWall(*monster);
monster->Update(dt);
CollideWithCatchers(*monster);
m_trails[index]->posX = monster->GetPosition().x;
m_trails[index]->posY = monster->GetPosition().y;
if (monster->IsDead()) {
m_trails[index]->Finish();
m_shadow = m_effects.AddEffect("Shadow");
m_shadow->posX = monster->GetPosition().x;
m_shadow->posY = monster->GetPosition().y;
m_monsterPool.set(std::move(monster));
std::swap(m_monsters[index], m_monsters.back());
std::swap(m_trails[index], m_trails.back());
m_monsters.resize(m_monsters.size() - 1);
m_trails.resize(m_trails.size() - 1);
m_shadow->Reset();
}
}
}
}
int CParticle::Update (int nCurTime)
{
int j, nRad;
short nSegment;
fix t, dot;
CFixVector vPos, drift;
fix drag = (m_nType == BUBBLE_PARTICLES) ? I2X (1) : F2X ((float) m_nLife / (float) m_nTTL);
if ((m_nLife <= 0) /*|| (m_color [0].alpha < 0.01f)*/)
return 0;
t = nCurTime - m_nMoved;
if (m_nDelay > 0)
m_nDelay -= t;
else {
vPos = m_vPos;
drift = m_vDrift;
if ((m_nType == SMOKE_PARTICLES) /*|| (m_nType == BUBBLE_PARTICLES)*/) {
drift [X] = ChangeDir (drift [X]);
drift [Y] = ChangeDir (drift [Y]);
drift [Z] = ChangeDir (drift [Z]);
}
for (j = 0; j < 2; j++) {
if (t < 0)
t = -t;
m_vPos = vPos + drift * t; //(I2X (t) / 1000);
if (m_bHaveDir) {
CFixVector vi = drift, vj = m_vDir;
CFixVector::Normalize (vi);
CFixVector::Normalize (vj);
// if (CFixVector::Dot (drift, m_vDir) < 0)
if (CFixVector::Dot (vi, vj) < 0)
drag = -drag;
// VmVecScaleInc (&drift, &m_vDir, drag);
m_vPos += m_vDir * drag;
}
if ((m_nType == BUBBLE_PARTICLES) || (m_nTTL - m_nLife > I2X (1) / 16)) {
nSegment = FindSegByPos (m_vPos, m_nSegment, 0, 0, 1);
if (nSegment < 0) {
#if DBG
if (m_nSegment == nDbgSeg)
nSegment = FindSegByPos (m_vPos, m_nSegment, 1, 0, 1);
#endif
nSegment = FindSegByPos (m_vPos, m_nSegment, 0, 1, 1);
if (nSegment < 0)
return 0;
}
if ((m_nType == BUBBLE_PARTICLES) && (SEGMENTS [nSegment].m_nType != SEGMENT_IS_WATER))
return 0;
m_nSegment = nSegment;
}
if (gameOpts->render.particles.bCollisions && CollideWithWall ()) { //Reflect the particle
if (m_nType == BUBBLE_PARTICLES)
return 0;
if (j)
return 0;
else if (!(dot = CFixVector::Dot (drift, *wallNorm)))
return 0;
else {
drift = m_vDrift + *wallNorm * (-2 * dot);
//VmVecScaleAdd (&m_vPos, &vPos, &drift, 2 * t);
m_nBounce = 3;
continue;
}
}
else if (m_nBounce)
m_nBounce--;
else {
break;
}
}
m_vDrift = drift;
if (m_nTTL >= 0) {
#if SMOKE_SLOWMO
m_nLife -= (int) (t / gameStates.gameplay.slowmo [0].fSpeed);
#else
m_nLife -= t;
#endif
if ((m_nType == SMOKE_PARTICLES) && (nRad = m_nRad)) {
if (m_bBlowUp) {
if (m_nWidth >= nRad)
m_nRad = 0;
else {
m_nWidth += nRad / 10 / m_bBlowUp;
m_nHeight += nRad / 10 / m_bBlowUp;
if (m_nWidth > nRad)
m_nWidth = nRad;
if (m_nHeight > nRad)
m_nHeight = nRad;
m_color [0].alpha *= (1.0f + 0.0725f / m_bBlowUp);
if (m_color [0].alpha > 1)
m_color [0].alpha = 1;
}
}
else {
if (m_nWidth <= nRad)
m_nRad = 0;
else {
m_nRad += nRad / 5;
m_color [0].alpha *= 1.0725f;
if (m_color [0].alpha > 1)
m_color [0].alpha = 1;
}
}
}
}
}
m_nMoved = nCurTime;
return 1;
}
