duration: 24000
}
function convert(a){return a*(Math.PI/180);}
- CustomEmitter{
+ Emitter{
lifeSpan: 4000
emitRate: 120
size: 12
xVariance: 60
pace: 60
}
- CustomAffector{
+ Affector{
system: sys
property real coefficient: 0.1
property real speed: 1.5
}
}
- CustomAffector{//Custom Friction, adds some 'randomness'
+ Affector{//Custom Friction, adds some 'randomness'
system: sys
//onceOff: true
x: -60
$$PWD/qsgwander_p.h \
$$PWD/qsgtargetaffector_p.h \
$$PWD/qsgcumulativedirection_p.h \
- $$PWD/qsgcustomemitter_p.h \
- $$PWD/qsgcustomaffector_p.h \
$$PWD/qsgv8particledata_p.h
SOURCES += \
$$PWD/qsgwander.cpp \
$$PWD/qsgtargetaffector.cpp \
$$PWD/qsgcumulativedirection.cpp \
- $$PWD/qsgcustomemitter.cpp \
- $$PWD/qsgcustomaffector.cpp \
$$PWD/qsgv8particledata.cpp
RESOURCES += \
+++ /dev/null
-/****************************************************************************
-**
-** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the Declarative module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** This file may be used under the terms of the GNU Lesser General Public
-** License version 2.1 as published by the Free Software Foundation and
-** appearing in the file LICENSE.LGPL included in the packaging of this
-** file. Please review the following information to ensure the GNU Lesser
-** General Public License version 2.1 requirements will be met:
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU General
-** Public License version 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qsgcustomaffector_p.h"
-QT_BEGIN_NAMESPACE
-/*!
- \qmlclass CustomAffector QSGCustomAffector
- \inqmlmodule QtQuick.Particles 2
- \inherits Affector
- \brief The Custom affector allows you to modify affected particles
-
-*/
-
-//TODO: Document particle 'type'
-/*!
- \qmlsignal Timer::affecting(particle, dt)
-
- This handler is called when a particle is selected to be affected.
-
- dt is the time since the last time it was affected. Use dt to normalize
- trajectory manipulations to real time.
-*/
-QSGCustomAffector::QSGCustomAffector(QSGItem *parent) :
- QSGParticleAffector(parent)
-{
-}
-
-
-bool QSGCustomAffector::affectParticle(QSGParticleData *d, qreal dt)
-{
- emit affectParticle(d->v8Value(), dt);
- return true;//TODO: Work it out (best added alongside autoTimeScaling)
-}
-QT_END_NAMESPACE
+++ /dev/null
-/****************************************************************************
-**
-** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the Declarative module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** This file may be used under the terms of the GNU Lesser General Public
-** License version 2.1 as published by the Free Software Foundation and
-** appearing in the file LICENSE.LGPL included in the packaging of this
-** file. Please review the following information to ensure the GNU Lesser
-** General Public License version 2.1 requirements will be met:
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU General
-** Public License version 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef CUSTOMAFFECTOR_H
-#define CUSTOMAFFECTOR_H
-#include "qsgparticleaffector_p.h"
-
-QT_BEGIN_HEADER
-
-QT_BEGIN_NAMESPACE
-
-QT_MODULE(Declarative)
-
-
-class QSGCustomAffector : public QSGParticleAffector
-{
- Q_OBJECT
-public:
- explicit QSGCustomAffector(QSGItem *parent = 0);
-protected:
- virtual bool affectParticle(QSGParticleData *d, qreal dt);
-signals:
- void affectParticle(QDeclarativeV8Handle particle, qreal dt);
-
-public slots:
-
-};
-
-QT_END_NAMESPACE
-QT_END_HEADER
-#endif // CUSTOMAFFECTOR_H
+++ /dev/null
-/****************************************************************************
-**
-** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the Declarative module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** This file may be used under the terms of the GNU Lesser General Public
-** License version 2.1 as published by the Free Software Foundation and
-** appearing in the file LICENSE.LGPL included in the packaging of this
-** file. Please review the following information to ensure the GNU Lesser
-** General Public License version 2.1 requirements will be met:
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU General
-** Public License version 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qsgcustomemitter_p.h"
-#include "qsgparticlesystem_p.h"
-QT_BEGIN_NAMESPACE
-/*!
- \qmlclass CustomEmitter QSGCustomEmitter
- \inqmlmodule QtQuick.Particles 2
- \inherits Emitter
- \brief The Custom emitter allows you to modify particles as they are emitted
-
-*/
-
-//TODO: Document particle 'type'
-/*!
- \qmlsignal CustomEmitter::emitting(particle)
-
- This handler is called when a particle is emitted. You can modify particle
- attributes from within the handler.
-*/
-
-QSGCustomEmitter::QSGCustomEmitter(QSGItem* parent)
- : QSGParticleEmitter(parent)
- , m_particle_count(0)
- , m_reset_last(true)
- , m_last_timestamp(0)
- , m_last_emission(0)
-{
-}
-
-void QSGCustomEmitter::reset()
-{
- m_reset_last = true;
-}
-
-void QSGCustomEmitter::emitWindow(int timeStamp)
-{
- if (m_system == 0)
- return;
- if ((!m_emitting || !m_particlesPerSecond)&& !m_burstLeft && m_burstQueue.isEmpty()){
- m_reset_last = true;
- return;
- }
-
- if (m_reset_last) {
- m_last_emitter = m_last_last_emitter = QPointF(x(), y());
- m_last_timestamp = timeStamp/1000.;
- m_last_emission = m_last_timestamp;
- m_reset_last = false;
- }
-
- if (m_burstLeft){
- m_burstLeft -= timeStamp - m_last_timestamp * 1000.;
- if (m_burstLeft < 0){
- if (!m_emitting)
- timeStamp += m_burstLeft;
- m_burstLeft = 0;
- }
- }
-
- qreal time = timeStamp / 1000.;
-
- qreal particleRatio = 1. / m_particlesPerSecond;
- qreal pt = m_last_emission;
-
- qreal opt = pt; // original particle time
- qreal dt = time - m_last_timestamp; // timestamp delta...
- if (!dt)
- dt = 0.000001;
-
- // emitter difference since last...
- qreal dex = (x() - m_last_emitter.x());
- qreal dey = (y() - m_last_emitter.y());
-
- qreal sizeAtEnd = m_particleEndSize >= 0 ? m_particleEndSize : m_particleSize;
- qreal emitter_x_offset = m_last_emitter.x() - x();
- qreal emitter_y_offset = m_last_emitter.y() - y();
- if (!m_burstQueue.isEmpty() && !m_burstLeft && !m_emitting)//'outside time' emissions only
- pt = time;
- while (pt < time || !m_burstQueue.isEmpty()) {
- //int pos = m_last_particle % m_particle_count;
- QSGParticleData* datum = m_system->newDatum(m_system->m_groupIds[m_particle]);
- if (datum){//actually emit(otherwise we've been asked to skip this one)
- datum->e = this;//###useful?
- qreal t = 1 - (pt - opt) / dt;
-
-
- // Particle timestamp
- datum->t = pt;
- datum->lifeSpan = //TODO:Promote to base class?
- (m_particleDuration
- + ((rand() % ((m_particleDurationVariation*2) + 1)) - m_particleDurationVariation))
- / 1000.0;
-
- // Particle position
- QRectF boundsRect;
- if (!m_burstQueue.isEmpty()){
- boundsRect = QRectF(m_burstQueue.first().second.x() - x(), m_burstQueue.first().second.y() - y(),
- width(), height());
- } else {
- boundsRect = QRectF(emitter_x_offset + dex * (pt - opt) / dt, emitter_y_offset + dey * (pt - opt) / dt
- , width(), height());
- }
- QPointF newPos = effectiveExtruder()->extrude(boundsRect);
- datum->x = newPos.x();
- datum->y = newPos.y();
-
- // Particle speed
- const QPointF &speed = m_speed->sample(newPos);
- datum->vx = speed.x();
- datum->vy = speed.y();
-
- // Particle acceleration
- const QPointF &accel = m_acceleration->sample(newPos);
- datum->ax = accel.x();
- datum->ay = accel.y();
-
- // Particle size
- float sizeVariation = -m_particleSizeVariation
- + rand() / float(RAND_MAX) * m_particleSizeVariation * 2;
-
- float size = qMax((qreal)0.0 , m_particleSize + sizeVariation);
- float endSize = qMax((qreal)0.0 , sizeAtEnd + sizeVariation);
-
- datum->size = size;
- datum->endSize = endSize;
-
- emitParticle(datum->v8Value());//A chance for arbitrary JS changes
-
- m_system->emitParticle(datum);
- }
- if (m_burstQueue.isEmpty()){
- pt += particleRatio;
- }else{
- m_burstQueue.first().first--;
- if (m_burstQueue.first().first <= 0)
- m_burstQueue.pop_front();
- }
- }
- m_last_emission = pt;
-
- m_last_last_last_emitter = m_last_last_emitter;
- m_last_last_emitter = m_last_emitter;
- m_last_emitter = QPointF(x(), y());
- m_last_timestamp = time;
-}
-
-
-QT_END_NAMESPACE
+++ /dev/null
-/****************************************************************************
-**
-** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the Declarative module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** This file may be used under the terms of the GNU Lesser General Public
-** License version 2.1 as published by the Free Software Foundation and
-** appearing in the file LICENSE.LGPL included in the packaging of this
-** file. Please review the following information to ensure the GNU Lesser
-** General Public License version 2.1 requirements will be met:
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU General
-** Public License version 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QSGCUSTOMEMITTER_H
-#define QSGCUSTOMEMITTER_H
-#include "qsgparticleemitter_p.h"
-#include <private/qv8engine_p.h>
-
-QT_BEGIN_HEADER
-
-QT_BEGIN_NAMESPACE
-
-QT_MODULE(Declarative)
-
-class QSGCustomEmitter : public QSGParticleEmitter
-{
- Q_OBJECT
-public:
- explicit QSGCustomEmitter(QSGItem* parent=0);
- virtual ~QSGCustomEmitter(){}
- virtual void emitWindow(int timeStamp);
- virtual void reset();
-Q_SIGNALS:
- void emitParticle(QDeclarativeV8Handle particle);
-private:
- int m_particle_count;
- bool m_reset_last;
- qreal m_last_timestamp;
- qreal m_last_emission;
-
- QPointF m_last_emitter;
- QPointF m_last_last_emitter;
- QPointF m_last_last_last_emitter;
-};
-
-QT_END_NAMESPACE
-QT_END_HEADER
-#endif // QSGCUSTOMEMITTER_H
/*!
\qmlproperty bool QtQuick.Particles2::Affector::signal
If this is set to true, then an affected(x,y) signal will be emitted each
- time this affector affects a particle.
+ time this affector would affect a particle.
+
+ For Affector only, this will happen irrespective of whether any changes
+ are made to the particle, for other Affectors the signal will only fire
+ if the particle is actually affected.
Default value is false.
*/
+//TODO: Document particle 'type'
+/*!
+ \qmlsignal QtQuick.Particles2::Affector::affectParticle(particle, dt)
+
+ This handler is called when a particle is selected to be affected.
+
+ dt is the time since the last time it was affected. Use dt to normalize
+ trajectory manipulations to real time.
+*/
QSGParticleAffector::QSGParticleAffector(QSGItem *parent) :
QSGItem(parent), m_needsReset(false), m_system(0), m_active(true)
, m_updateIntSet(false), m_shape(new QSGParticleExtruder(this)), m_signal(false)
this, SLOT(updateOffsets()));//TODO: in componentComplete and all relevant signals
}
+bool QSGParticleAffector::isAffectConnected()
+{
+ static int idx = QObjectPrivate::get(this)->signalIndex("affectParticle(QDeclarativeV8Handle, qreal)");
+ return QObjectPrivate::get(this)->isSignalConnected(idx);
+}
+
void QSGParticleAffector::componentComplete()
{
if (!m_system && qobject_cast<QSGParticleSystem*>(parentItem()))
bool QSGParticleAffector::affectParticle(QSGParticleData *d, qreal dt)
{
- Q_UNUSED(d);
- Q_UNUSED(dt);
+ if (isAffectConnected()){
+ emit affectParticle(d->v8Value(), dt);
+ return true;
+ }
return m_signal;//If signalling, then we always 'null affect' it.
}
}
signals:
+ void affectParticle(QDeclarativeV8Handle particle, qreal dt);
void systemChanged(QSGParticleSystem* arg);
bool m_active;
virtual void componentComplete();
QPointF m_offset;
+ bool isAffectConnected();
private:
QSet<int> m_groups;
QSet<QPair<int, int> > m_onceOffed;
QT_BEGIN_NAMESPACE
-
/*!
\qmlclass Emitter QSGParticleEmitter
\inqmlmodule QtQuick.Particles 2
Default value is 0.
*/
+//TODO: Document particle 'type'
+/*!
+ \qmlsignal QtQuick.Particles2::Emitter::emitting(particle)
+
+ This handler is called when a particle is emitted. You can modify particle
+ attributes from within the handler.
+*/
+
QSGParticleEmitter::QSGParticleEmitter(QSGItem *parent) :
QSGItem(parent)
delete m_defaultExtruder;
}
+bool QSGParticleEmitter::isEmitConnected()
+{
+ static int idx = QObjectPrivate::get(this)->signalIndex("emitParticle(QDeclarativeV8Handle)");
+ return QObjectPrivate::get(this)->isSignalConnected(idx);
+}
+
void QSGParticleEmitter::componentComplete()
{
if (!m_system && qobject_cast<QSGParticleSystem*>(parentItem()))
datum->size = size;// * float(m_emitting);
datum->endSize = endSize;// * float(m_emitting);
+ if (isEmitConnected())
+ emitParticle(datum->v8Value());//A chance for arbitrary JS changes
m_system->emitParticle(datum);
}
if (m_burstQueue.isEmpty()){
void setSpeedFromMovement(qreal s);
virtual void componentComplete();
signals:
+ void emitParticle(QDeclarativeV8Handle particle);
void particlesPerSecondChanged(qreal);
void particleDurationChanged(int);
void emittingChanged(bool);
QPointF m_last_last_emitter;
QPointF m_last_last_last_emitter;
+ bool isEmitConnected();
private:
QSGStochasticDirection m_nullVector;
#include "qsgwander_p.h"
#include "qsgtargetaffector_p.h"
#include "qsgcumulativedirection_p.h"
-#include "qsgcustomemitter_p.h"
-#include "qsgcustomaffector_p.h"
QT_BEGIN_NAMESPACE
qmlRegisterType<QSGModelParticle>(uri, 2, 0, "ModelParticle");
qmlRegisterType<QSGParticleEmitter>(uri, 2, 0, "Emitter");
- qmlRegisterType<QSGCustomEmitter>(uri, 2, 0, "CustomEmitter");
qmlRegisterType<QSGFollowEmitter>(uri, 2, 0, "FollowEmitter");
qmlRegisterType<QSGEllipseExtruder>(uri, 2, 0, "EllipseShape");
qmlRegisterType<QSGCumulativeDirection>(uri, 2, 0, "CumulativeDirection");
qmlRegisterType<QSGParticleAffector>(uri, 2, 0, "Affector");//useful for the triggered signal
- qmlRegisterType<QSGCustomAffector>(uri, 2, 0, "CustomAffector");
qmlRegisterType<QSGWanderAffector>(uri, 2, 0, "Wander");
qmlRegisterType<QSGFrictionAffector>(uri, 2, 0, "Friction");
qmlRegisterType<QSGPointAttractorAffector>(uri, 2, 0, "PointAttractor");
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