void QQuickCustomAffector::affectSystem(qreal dt)
{
//Acts a bit differently, just emits affected for everyone it might affect, when the only thing is connecting to affected(x,y)
bool justAffected = (m_acceleration == &m_nullVector
&& m_velocity == &m_nullVector
&& m_position == &m_nullVector
&& isAffectedConnected());
if (!isAffectConnected() && !justAffected) {
QQuickParticleAffector::affectSystem(dt);
return;
}
if (!m_enabled)
return;
updateOffsets();
QList<QQuickParticleData*> toAffect;
foreach (QQuickParticleGroupData* gd, m_system->groupData)
if (activeGroup(m_system->groupData.key(gd)))
foreach (QQuickParticleData* d, gd->data)
if (shouldAffect(d))
toAffect << d;
if (toAffect.isEmpty())
return;
if (justAffected) {
foreach (QQuickParticleData* d, toAffect) {//Not postAffect to avoid saying the particle changed
if (m_onceOff)
m_onceOffed << qMakePair(d->group, d->index);
emit affected(d->curX(), d->curY());
}
return;
}
if (m_onceOff)
dt = 1.0;
v8::HandleScope handle_scope;
v8::Context::Scope scope(QQmlEnginePrivate::getV8Engine(qmlEngine(this))->context());
v8::Handle<v8::Array> array = v8::Array::New(toAffect.size());
for (int i=0; i<toAffect.size(); i++)
array->Set(i, toAffect[i]->v8Value().toHandle());
if (dt >= simulationCutoff || dt <= simulationDelta) {
affectProperties(toAffect, dt);
emit affectParticles(QQmlV8Handle::fromHandle(array), dt);
} else {
int realTime = m_system->timeInt;
m_system->timeInt -= dt * 1000.0;
while (dt > simulationDelta) {
m_system->timeInt += simulationDelta * 1000.0;
dt -= simulationDelta;
affectProperties(toAffect, simulationDelta);
emit affectParticles(QQmlV8Handle::fromHandle(array), simulationDelta);
}
m_system->timeInt = realTime;
if (dt > 0.0) {
affectProperties(toAffect, dt);
emit affectParticles(QQmlV8Handle::fromHandle(array), dt);
}
}
foreach (QQuickParticleData* d, toAffect)
if (d->update == 1.0)
postAffect(d);
}
void QQuickCustomAffector::affectSystem(qreal dt)
{
//Acts a bit differently, just emits affected for everyone it might affect, when the only thing is connecting to affected(x,y)
bool justAffected = (m_acceleration == &m_nullVector
&& m_velocity == &m_nullVector
&& m_position == &m_nullVector
&& isAffectedConnected());
if (!isAffectConnected() && !justAffected) {
QQuickParticleAffector::affectSystem(dt);
return;
}
if (!m_enabled)
return;
updateOffsets();
QList<QQuickParticleData*> toAffect;
foreach (QQuickParticleGroupData* gd, m_system->groupData)
if (activeGroup(m_system->groupData.key(gd)))
foreach (QQuickParticleData* d, gd->data)
if (shouldAffect(d))
toAffect << d;
if (toAffect.isEmpty())
return;
if (justAffected) {
foreach (QQuickParticleData* d, toAffect) {//Not postAffect to avoid saying the particle changed
if (m_onceOff)
m_onceOffed << qMakePair(d->group, d->index);
emit affected(d->curX(), d->curY());
}
return;
}
if (m_onceOff)
dt = 1.0;
QQmlEngine *qmlEngine = ::qmlEngine(this);
QV4::ExecutionEngine *v4 = QV8Engine::getV4(qmlEngine->handle());
QV4::Scope scope(v4);
QV4::Scoped<QV4::ArrayObject> array(scope, v4->newArrayObject(toAffect.size()));
QV4::ScopedValue v(scope);
for (int i=0; i<toAffect.size(); i++)
array->putIndexed(i, (v = toAffect[i]->v4Value()));
if (dt >= simulationCutoff || dt <= simulationDelta) {
affectProperties(toAffect, dt);
emit affectParticles(QQmlV4Handle(array), dt);
} else {
int realTime = m_system->timeInt;
m_system->timeInt -= dt * 1000.0;
while (dt > simulationDelta) {
m_system->timeInt += simulationDelta * 1000.0;
dt -= simulationDelta;
affectProperties(toAffect, simulationDelta);
emit affectParticles(QQmlV4Handle(array), simulationDelta);
}
m_system->timeInt = realTime;
if (dt > 0.0) {
affectProperties(toAffect, dt);
emit affectParticles(QQmlV4Handle(array), dt);
}
}
foreach (QQuickParticleData* d, toAffect)
if (d->update == 1.0)
postAffect(d);
}
