return m_groupIds.isEmpty() || m_groupIds.contains(g);
}
+bool QSGParticleAffector::shouldAffect(QSGParticleData* d)
+{
+ if (!d)
+ return false;
+ if (activeGroup(d->group)){
+ if ((m_onceOff && m_onceOffed.contains(qMakePair(d->group, d->index)))
+ || !d->stillAlive())
+ return false;
+ //Need to have previous location for affected anyways
+ if (width() == 0 || height() == 0
+ || m_shape->contains(QRectF(m_offset.x(), m_offset.y(), width(), height()), QPointF(d->curX(), d->curY()))){
+ if (m_whenCollidingWith.isEmpty() || isColliding(d)){
+ return true;
+ }
+ }
+ }
+ return false;
+
+}
+
+void QSGParticleAffector::postAffect(QSGParticleData* d)
+{
+ m_system->m_needsReset << d;
+ if (m_onceOff)
+ m_onceOffed << qMakePair(d->group, d->index);
+ if (isAffectedConnected())
+ emit affected(d->curX(), d->curY());
+}
+
void QSGParticleAffector::affectSystem(qreal dt)
{
if (!m_enabled)
return;
//If not reimplemented, calls affect particle per particle
//But only on particles in targeted system/area
- bool affectedConnected = isAffectedConnected();
updateOffsets();//### Needed if an ancestor is transformed.
- foreach (QSGParticleGroupData* gd, m_system->m_groupData){
- foreach (QSGParticleData* d, gd->data){
- if (!d)
- continue;
- if (activeGroup(d->group)){
- if ((m_onceOff && m_onceOffed.contains(qMakePair(d->group, d->index)))
- || !d->stillAlive())
- continue;
- //Need to have previous location for affected anyways
- QPointF curPos;
- if (affectedConnected || (width() && height()))
- curPos = QPointF(d->curX(), d->curY());
- if (width() == 0 || height() == 0
- || m_shape->contains(QRectF(m_offset.x(), m_offset.y(), width(), height()),curPos)){
- if (m_whenCollidingWith.isEmpty() || isColliding(d)){
- if (affectParticle(d, dt)){
- m_system->m_needsReset << d;
- if (m_onceOff)
- m_onceOffed << qMakePair(d->group, d->index);
- if (affectedConnected)
- emit affected(curPos.x(), curPos.y());
- }
- }
- }
- }
- }
- }
+ foreach (QSGParticleGroupData* gd, m_system->m_groupData)
+ if (activeGroup(m_system->m_groupData.key(gd)))
+ foreach (QSGParticleData* d, gd->data)
+ if (shouldAffect(d))
+ if (affectParticle(d, dt))
+ postAffect(d);
}
bool QSGParticleAffector::affectParticle(QSGParticleData *, qreal )
QRectF boundsRect(0, 0, width()-1, height()-1);
foreach (QSGParticleGroupData *gd, m_system->m_groupData){
- if (!activeGroup(m_system->m_groupData.key(gd)))//TODO: Surely this can be done better
+ if (!activeGroup(m_system->m_groupData.key(gd)))
continue;
foreach (QSGParticleData *d, gd->data){
- if (!d || !activeGroup(d->group) || !d->stillAlive())
+ if (!shouldAffect(d))
continue;
QPoint pos = (QPointF(d->curX(), d->curY()) - m_offset).toPoint();
- if (!boundsRect.contains(pos))
- continue;
qreal fx = 0.0;
qreal fy = 0.0;
fx += m_vectorField[pos.x()][pos.y()].x() * m_strength;
if (fx || fy){
d->setInstantaneousVX(d->curVX()+ fx * dt);
d->setInstantaneousVY(d->curVY()+ fy * dt);
- m_system->m_needsReset << d;
+ postAffect(d);
}
}
}