// ParticleSystem - MainLoop
void CCParticleSystem::update(ccTime dt)
{
if( m_bIsActive && m_fEmissionRate )
{
float rate = 1.0f / m_fEmissionRate;
m_fEmitCounter += dt;
while( m_nParticleCount < m_nTotalParticles && m_fEmitCounter > rate )
{
this->addParticle();
m_fEmitCounter -= rate;
}
m_fElapsed += dt;
if(m_fDuration != -1 && m_fDuration < m_fElapsed)
{
this->stopSystem();
}
}
m_nParticleIdx = 0;
#if CC_ENABLE_PROFILERS
/// @todo CCProfilingBeginTimingBlock(_profilingTimer);
#endif
CGPoint currentPosition = CGPointZero;
if( m_ePositionType == kCCPositionTypeFree )
{
currentPosition = this->convertToWorldSpace(CGPointZero);
currentPosition.x *= CC_CONTENT_SCALE_FACTOR();
currentPosition.y *= CC_CONTENT_SCALE_FACTOR();
}
else if ( m_ePositionType == kCCPositionTypeRelative )
{
currentPosition = m_tPosition;
currentPosition.x *= CC_CONTENT_SCALE_FACTOR();
currentPosition.y *= CC_CONTENT_SCALE_FACTOR();
}
while( m_nParticleIdx < m_nParticleCount )
{
tCCParticle *p = &m_pParticles[m_nParticleIdx];
// life
p->timeToLive -= dt;
if( p->timeToLive > 0 )
{
// Mode A: gravity, direction, tangential accel & radial accel
if( m_nEmitterMode == kCCParticleModeGravity )
{
CGPoint tmp, radial, tangential;
radial = CGPointZero;
// radial acceleration
if(p->pos.x || p->pos.y)
radial = ccpNormalize(p->pos);
tangential = radial;
radial = ccpMult(radial, p->modeA.radialAccel);
// tangential acceleration
float newy = tangential.x;
tangential.x = -tangential.y;
tangential.y = newy;
tangential = ccpMult(tangential, p->modeA.tangentialAccel);
// (gravity + radial + tangential) * dt
tmp = ccpAdd( ccpAdd( radial, tangential), modeA.gravity);
tmp = ccpMult( tmp, dt);
p->modeA.dir = ccpAdd( p->modeA.dir, tmp);
tmp = ccpMult(p->modeA.dir, dt);
p->pos = ccpAdd( p->pos, tmp );
}
// Mode B: radius movement
else {
// Update the angle and radius of the particle.
p->modeB.angle += p->modeB.degreesPerSecond * dt;
p->modeB.radius += p->modeB.deltaRadius * dt;
p->pos.x = - cosf(p->modeB.angle) * p->modeB.radius;
p->pos.y = - sinf(p->modeB.angle) * p->modeB.radius;
}
// color
p->color.r += (p->deltaColor.r * dt);
p->color.g += (p->deltaColor.g * dt);
p->color.b += (p->deltaColor.b * dt);
p->color.a += (p->deltaColor.a * dt);
// size
p->size += (p->deltaSize * dt);
p->size = MAX( 0, p->size );
// angle
p->rotation += (p->deltaRotation * dt);
//
// update values in quad
//
CGPoint newPos;
if( m_ePositionType == kCCPositionTypeFree || m_ePositionType == kCCPositionTypeRelative )
{
CGPoint diff = ccpSub( currentPosition, p->startPos );
newPos = ccpSub(p->pos, diff);
}
else
{
newPos = p->pos;
}
updateQuadWithParticle(p, newPos);
//updateParticleImp(self, updateParticleSel, p, newPos);
// update particle counter
++m_nParticleIdx;
}
else
{
// life < 0
if( m_nParticleIdx != m_nParticleCount-1 )
{
m_pParticles[m_nParticleIdx] = m_pParticles[m_nParticleCount-1];
}
--m_nParticleCount;
if( m_nParticleCount == 0 && m_bIsAutoRemoveOnFinish )
{
this->unscheduleUpdate();
m_pParent->removeChild(this, true);
return;
}
}
}
#if CC_ENABLE_PROFILERS
/// @todo CCProfilingEndTimingBlock(_profilingTimer);
#endif
//#ifdef CC_USES_VBO
this->postStep();
//#endif
}
void CCParticleSystemFrameQuad::update(float dt)
{
CC_PROFILER_START_CATEGORY(kCCProfilerCategoryParticles , "CCParticleSystemFrameQuad - update");
if (m_bIsActive && m_fEmissionRate)
{
float rate = 1.0f / m_fEmissionRate;
//issue #1201, prevent bursts of particles, due to too high emitCounter
if (m_uParticleCount < m_uTotalParticles)
{
m_fEmitCounter += dt;
}
while (m_uParticleCount < m_uTotalParticles && m_fEmitCounter > rate)
{
this->addParticle();
m_fEmitCounter -= rate;
}
m_fElapsed += dt;
if (m_fDuration != -1 && m_fDuration < m_fElapsed)
{
this->stopSystem();
}
}
m_uParticleIdx = 0;
CCPoint currentPosition = CCPointZero;
if (m_ePositionType == kCCPositionTypeFree)
{
currentPosition = this->convertToWorldSpace(CCPointZero);
}
else if (m_ePositionType == kCCPositionTypeRelative)
{
currentPosition = m_obPosition;
}
if (m_bVisible)
{
while (m_uParticleIdx < m_uParticleCount)
{
tCCParticle *p = &m_pParticles[m_uParticleIdx];
// life
p->timeToLive -= dt;
if (p->timeToLive > 0)
{
// Mode A: gravity, direction, tangential accel & radial accel
if (m_nEmitterMode == kCCParticleModeGravity)
{
CCPoint tmp, radial, tangential;
radial = CCPointZero;
// radial acceleration
if (p->pos.x || p->pos.y)
{
radial = ccpNormalize(p->pos);
}
tangential = radial;
radial = ccpMult(radial, p->modeA.radialAccel);
// tangential acceleration
float newy = tangential.x;
tangential.x = -tangential.y;
tangential.y = newy;
tangential = ccpMult(tangential, p->modeA.tangentialAccel);
// (gravity + radial + tangential) * dt
tmp = ccpAdd( ccpAdd( radial, tangential), modeA.gravity);
tmp = ccpMult( tmp, dt);
p->modeA.dir = ccpAdd( p->modeA.dir, tmp);
tmp = ccpMult(p->modeA.dir, dt);
p->pos = ccpAdd( p->pos, tmp );
}
// Mode B: radius movement
else
{
// Update the angle and radius of the particle.
p->modeB.angle += p->modeB.degreesPerSecond * dt;
p->modeB.radius += p->modeB.deltaRadius * dt;
p->pos.x = - cosf(p->modeB.angle) * p->modeB.radius;
p->pos.y = - sinf(p->modeB.angle) * p->modeB.radius;
}
// color
p->color.r += (p->deltaColor.r * dt);
p->color.g += (p->deltaColor.g * dt);
p->color.b += (p->deltaColor.b * dt);
p->color.a += (p->deltaColor.a * dt);
// size
p->size += (p->deltaSize * dt);
p->size = MAX( 0, p->size );
// angle
p->rotation += (p->deltaRotation * dt);
//
// update values in quad
//
CCPoint newPos;
if (m_ePositionType == kCCPositionTypeFree || m_ePositionType == kCCPositionTypeRelative)
{
CCPoint diff = ccpSub( currentPosition, p->startPos );
newPos = ccpSub(p->pos, diff);
}
else
{
newPos = p->pos;
}
// translate newPos to correct position, since matrix transform isn't performed in batchnode
// don't update the particle with the new position information, it will interfere with the radius and tangential calculations
if (m_pBatchNode)
{
newPos.x+=m_obPosition.x;
newPos.y+=m_obPosition.y;
}
updateQuadWithParticle(p, newPos);
//updateParticleImp(self, updateParticleSel, p, newPos);
// update particle counter
++m_uParticleIdx;
}
else
{
// life < 0
int currentIndex = p->atlasIndex;
if( m_uParticleIdx != m_uParticleCount-1 )
{
m_pParticles[m_uParticleIdx] = m_pParticles[m_uParticleCount-1];
}
if (m_pBatchNode)
{
//disable the switched particle
m_pBatchNode->disableParticle(m_uAtlasIndex+currentIndex);
//switch indexes
m_pParticles[m_uParticleCount-1].atlasIndex = currentIndex;
}
else if( m_uParticleIdx != m_uParticleCount-1 )
{
//switch quads texCoords
ccV3F_C4B_T2F_Quad temp = m_pQuads[m_uParticleIdx];
m_pQuads[m_uParticleIdx] = m_pQuads[m_uParticleCount-1];
m_pQuads[m_uParticleCount-1] = temp;
}
--m_uParticleCount;
if( m_uParticleCount == 0 && m_bIsAutoRemoveOnFinish )
{
this->unscheduleUpdate();
m_pParent->removeChild(this, true);
return;
}
}
} //while
m_bTransformSystemDirty = false;
}
if (! m_pBatchNode)
{
postStep();
}
CC_PROFILER_STOP_CATEGORY(kCCProfilerCategoryParticles , "CCParticleSystemFrameQuad - update");
}
void BillboardParticleSystem::update(float dt)
{
if(_camera)
{
const Mat4& cameraViewMatrix = _camera->getViewMatrix().getInversed();
cameraViewMatrix.getRightVector(&_cameraRight);
cameraViewMatrix.getUpVector(&_cameraUp);
}
const Mat4& WorldMat = getNodeToWorldTransform();
Quaternion rotation;;
WorldMat.getRotation(&rotation);
Mat4 roaMat;
Mat4::createRotation(rotation,&roaMat);
CC_PROFILER_START_CATEGORY(kProfilerCategoryParticles , "CCParticleSystem - update");
if (_isActive && _emissionRate)
{
float rate = 1.0f / _emissionRate;
//issue #1201, prevent bursts of particles, due to too high emitCounter
if (_particleCount < _totalParticles)
{
_emitCounter += dt;
}
while (_particleCount < _totalParticles && _emitCounter > rate)
{
this->addParticle();
_emitCounter -= rate;
}
_elapsed += dt;
if (_duration != -1 && _duration < _elapsed)
{
this->stopSystem();
}
}
_particleIdx = 0;
Vec3 currentPosition = Vec3::ZERO;
if (_positionType == PositionType::FREE)
{
currentPosition = this->convertToWorldSpace3D(Vec3::ZERO);
}
else if (_positionType == PositionType::RELATIVE)
{
currentPosition.x = _position.x;
currentPosition.y = _position.y;
currentPosition.z = _positionZ;
}
{
while (_particleIdx < _particleCount)
{
sBillboardParticle *p = &_particles[_particleIdx];
// life
p->timeToLive -= dt;
if (p->timeToLive > 0)
{
// Mode A: gravity, direction, tangential accel & radial accel
if (_emitterMode == Mode::GRAVITY)
{
Vec2 tmp, radial, tangential;
radial = Vec2::ZERO;
// radial acceleration
if (p->pos.x || p->pos.y)
{
radial = p->pos.getNormalized();
}
tangential = radial;
radial = radial * p->modeA.radialAccel;
// tangential acceleration
float newy = tangential.x;
tangential.x = -tangential.y;
tangential.y = newy;
tangential = tangential * p->modeA.tangentialAccel;
// (gravity + radial + tangential) * dt
tmp = radial + tangential + modeA.gravity;
tmp = tmp * dt;
p->modeA.dir = p->modeA.dir + tmp;
// this is cocos2d-x v3.0
// if (_configName.length()>0 && _yCoordFlipped != -1)
// this is cocos2d-x v3.0
tmp = p->modeA.dir * dt * _yCoordFlipped;
p->pos = p->pos + tmp;
}
// Mode B: radius movement
else
{
// Update the angle and radius of the particle.
p->modeB.angle += p->modeB.degreesPerSecond * dt;
p->modeB.radius += p->modeB.deltaRadius * dt;
p->pos.x = - cosf(p->modeB.angle) * p->modeB.radius;
p->pos.y = - sinf(p->modeB.angle) * p->modeB.radius;
p->pos.y *= _yCoordFlipped;
}
// color
p->color.r += (p->deltaColor.r * dt);
p->color.g += (p->deltaColor.g * dt);
p->color.b += (p->deltaColor.b * dt);
p->color.a += (p->deltaColor.a * dt);
// size
p->size += (p->deltaSize * dt);
p->size = MAX( 0, p->size );
// angle
p->rotation += (p->deltaRotation * dt);
//
// update values in quad
//
Vec3 newPos;
Vec3 parPos(p->pos.x,p->pos.y,0);
roaMat.transformVector(&parPos);
if (_positionType == PositionType::FREE)
{
Vec3 diff = convertToNodeSpace3D(currentPosition) - convertToNodeSpace3D(p->startPos);
//newPos.x = p->pos.x - diff.x;
//newPos.y = p->pos.y - diff.y;
//newPos.z = - diff.z;
newPos = parPos-diff;
}
else if(_positionType == PositionType::RELATIVE)
{
Vec3 diff = currentPosition - p->startPos;
newPos.x = p->pos.x - diff.x;
newPos.y = p->pos.y - diff.y;
newPos.z = - diff.z;
}
else
{
newPos.x = p->pos.x;
newPos.y = p->pos.y;
newPos.z = 0;
}
updateQuadWithParticle(p, newPos);
//updateParticleImp(self, updateParticleSel, p, newPos);
// update particle counter
++_particleIdx;
}
else
{
// life < 0
int currentIndex = p->atlasIndex;
if( _particleIdx != _particleCount-1 )
{
_particles[_particleIdx] = _particles[_particleCount-1];
}
--_particleCount;
if( _particleCount == 0 && _isAutoRemoveOnFinish )
{
this->unscheduleUpdate();
_parent->removeChild(this, true);
return;
}
}
} //while
_transformSystemDirty = false;
}
// only update gl buffer when visible
if (_visible)
{
postStep();
}
CC_PROFILER_STOP_CATEGORY(kProfilerCategoryParticles , "BillboardParticleSystem - update");
}
void ParticleSystem::update(fzFloat dt)
{
if( m_isActive && m_emissionRate ) {
fzFloat rate = 1.0f / m_emissionRate;
m_emitCounter += dt;
while( m_particleCount < m_totalParticles && m_emitCounter > rate ) {
addParticle();
m_emitCounter -= rate;
}
m_elapsed += dt;
if(m_duration != -1 && m_duration < m_elapsed)
stopSystem();
}
m_particleIdx = 0;
while( m_particleIdx < m_particleCount )
{
fzParticle& p = p_particles[m_particleIdx];
// life
p.timeToLive -= dt;
if( p.timeToLive > 0 ) {
// Mode A
if( m_emitterMode == kFZParticleModeGravity ) {
fzPoint tmp(p.pos);
if(tmp != FZPointZero)
{
// calculate tangential
fzPoint tangential(tmp.getPerp());
tangential.normalize();
tangential *= p.mode.A.tangentialAccel;
// radial acceleration
tmp *= p.mode.A.radialAccel;
// radial + tangential
tmp += tangential;
}
// (gravity + dir + radial + tangential) * dt
tmp += mode.A.gravity;
tmp += p.mode.A.dir;
p.pos += tmp * dt;
}
// Mode B
else {
// Update the angle and radius of the particle.
p.mode.B.angle += p.mode.B.degreesPerSecond * dt;
p.mode.B.radius += p.mode.B.deltaRadius * dt;
p.pos.x = -fzMath_cos(p.mode.B.angle) * p.mode.B.radius;
p.pos.y = -fzMath_sin(p.mode.B.angle) * p.mode.B.radius;
}
// color
p.color += p.deltaColor * dt;
// size
p.size += p.deltaSize * dt;
p.size = p.size < 0 ? 0 : p.size;
// angle
p.rotation += p.deltaRotation * dt;
// update values in quad
updateQuadWithParticle(p);
// update particle counter
++m_particleIdx;
} else {
// life < 0
--m_particleCount;
if( m_particleIdx != m_particleCount )
memmove(&p_particles[m_particleIdx], &p_particles[m_particleCount], sizeof(fzParticle));
if( m_particleCount == 0 && m_autoRemoveOnFinish ) {
unschedule();
removeFromParent(true);
return;
}
}
}
if(m_particleCount)
makeDirty(0);
#if FZ_VBO_STREAMING
postStep();
#endif
}
void NParticleSystemQuad::update(float dt) {
CC_PROFILER_START_CATEGORY(kProfilerCategoryParticles , "CCParticleSystem - update");
if (_isActive && _emissionRate)
{
float rate = 1.0f / _emissionRate;
//issue #1201, prevent bursts of particles, due to too high emitCounter
if (_particleCount < _totalParticles)
{
_emitCounter += dt;
}
while (_particleCount < _totalParticles && _emitCounter > rate)
{
this->addParticle();
_emitCounter -= rate;
}
_elapsed += dt;
if (_duration != -1 && _duration < _elapsed)
{
this->stopSystem();
}
}
_particleIdx = 0;
Vec2 currentPosition = Vec2::ZERO;
if (_positionType == PositionType::FREE)
{
currentPosition = this->convertToWorldSpace(Vec2::ZERO);
}
else if (_positionType == PositionType::RELATIVE)
{
currentPosition = _position;
}
{
while (_particleIdx < _particleCount)
{
tParticle *p = &_particles[_particleIdx];
// life
p->timeToLive -= dt;
if (p->timeToLive > 0)
{
// Mode A: gravity, direction, tangential accel & radial accel
if (_emitterMode == Mode::GRAVITY)
{
Vec2 tmp, radial, tangential;
radial = Vec2::ZERO;
// radial acceleration
if (p->pos.x || p->pos.y)
{
radial = p->pos.getNormalized();
}
tangential = radial;
radial = radial * p->modeA.radialAccel;
// tangential acceleration
float newy = tangential.x;
tangential.x = -tangential.y;
tangential.y = newy;
tangential = tangential * p->modeA.tangentialAccel;
// (gravity + radial + tangential) * dt
tmp = radial + tangential + modeA.gravity;
tmp = tmp * dt;
p->modeA.dir = p->modeA.dir + tmp;
// this is cocos2d-x v3.0
// if (_configName.length()>0 && _yCoordFlipped != -1)
// this is cocos2d-x v3.0
tmp = p->modeA.dir * dt * _yCoordFlipped;
p->pos = p->pos + tmp;
}
// Mode B: radius movement
else
{
// Update the angle and radius of the particle.
p->modeB.angle += p->modeB.degreesPerSecond * dt;
p->modeB.radius += p->modeB.deltaRadius * dt;
p->pos.x = - cosf(p->modeB.angle) * p->modeB.radius;
p->pos.y = - sinf(p->modeB.angle) * p->modeB.radius;
p->pos.y *= _yCoordFlipped;
}
// color
p->color.r += (p->deltaColor.r * dt);
p->color.g += (p->deltaColor.g * dt);
p->color.b += (p->deltaColor.b * dt);
p->color.a += (p->deltaColor.a * dt);
// size
p->size += (p->deltaSize * dt);
p->size = MAX( 0, p->size );
// angle
p->rotation += (p->deltaRotation * dt);
//
// update values in quad
//
Vec2 newPos;
if (_positionType == PositionType::FREE || _positionType == PositionType::RELATIVE)
{
Vec2 diff = currentPosition - p->startPos;
newPos = p->pos - diff;
}
else
{
newPos = p->pos;
}
// translate newPos to correct position, since matrix transform isn't performed in batchnode
// don't update the particle with the new position information, it will interfere with the radius and tangential calculations
if (_batchNode)
{
newPos.x+=_position.x;
newPos.y+=_position.y;
}
updateQuadWithParticle(p, newPos);
//updateParticleImp(self, updateParticleSel, p, newPos);
// update particle counter
++_particleIdx;
}
else
{
// life < 0
int currentIndex = p->atlasIndex;
if( _particleIdx != _particleCount-1 )
{
_particles[_particleIdx] = _particles[_particleCount-1];
}
if (_batchNode)
{
//disable the switched particle
_batchNode->disableParticle(_atlasIndex+currentIndex);
//switch indexes
_particles[_particleCount-1].atlasIndex = currentIndex;
}
--_particleCount;
if( _particleCount == 0 && _isAutoRemoveOnFinish )
{
this->unscheduleUpdate();
_parent->removeChild(this, true);
// 親から remove されるときにコールバック関数を呼ぶ
if (onFinishListener) {
onFinishListener(this);
}
return;
}
}
} //while
_transformSystemDirty = false;
}
// only update gl buffer when visible
if (_visible && ! _batchNode)
{
postStep();
}
CC_PROFILER_STOP_CATEGORY(kProfilerCategoryParticles , "CCParticleSystem - update");
}
