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42 #ifndef FOLLOWEMITTER_H
43 #define FOLLOWEMITTER_H
44 #include "qquickparticleemitter_p.h"
45 #include "qquickparticleaffector_p.h"
51 class QQuickTrailEmitter : public QQuickParticleEmitter
54 Q_PROPERTY(QString follow READ follow WRITE setFollow NOTIFY followChanged)
55 Q_PROPERTY(int emitRatePerParticle READ particlesPerParticlePerSecond WRITE setParticlesPerParticlePerSecond NOTIFY particlesPerParticlePerSecondChanged)
57 Q_PROPERTY(QQuickParticleExtruder* emitShape READ emissonShape WRITE setEmissionShape NOTIFY emissionShapeChanged)
58 Q_PROPERTY(qreal emitHeight READ emitterYVariation WRITE setEmitterYVariation NOTIFY emitterYVariationChanged)
59 Q_PROPERTY(qreal emitWidth READ emitterXVariation WRITE setEmitterXVariation NOTIFY emitterXVariationChanged)
64 ParticleSize = -2//Anything less than 0 will do
66 explicit QQuickTrailEmitter(QQuickItem *parent = 0);
67 virtual void emitWindow(int timeStamp);
70 int particlesPerParticlePerSecond() const
72 return m_particlesPerParticlePerSecond;
75 qreal emitterXVariation() const
77 return m_emitterXVariation;
80 qreal emitterYVariation() const
82 return m_emitterYVariation;
85 QString follow() const
90 QQuickParticleExtruder* emissonShape() const
92 return m_emissionExtruder;
96 void emitFollowParticles(QDeclarativeV8Handle particles, QDeclarativeV8Handle followed);
98 void particlesPerParticlePerSecondChanged(int arg);
100 void emitterXVariationChanged(qreal arg);
102 void emitterYVariationChanged(qreal arg);
104 void followChanged(QString arg);
106 void emissionShapeChanged(QQuickParticleExtruder* arg);
110 void setParticlesPerParticlePerSecond(int arg)
112 if (m_particlesPerParticlePerSecond != arg) {
113 m_particlesPerParticlePerSecond = arg;
114 emit particlesPerParticlePerSecondChanged(arg);
117 void setEmitterXVariation(qreal arg)
119 if (m_emitterXVariation != arg) {
120 m_emitterXVariation = arg;
121 emit emitterXVariationChanged(arg);
125 void setEmitterYVariation(qreal arg)
127 if (m_emitterYVariation != arg) {
128 m_emitterYVariation = arg;
129 emit emitterYVariationChanged(arg);
133 void setFollow(QString arg)
135 if (m_follow != arg) {
137 emit followChanged(arg);
141 void setEmissionShape(QQuickParticleExtruder* arg)
143 if (m_emissionExtruder != arg) {
144 m_emissionExtruder = arg;
145 emit emissionShapeChanged(arg);
150 void recalcParticlesPerSecond();
153 QSet<QQuickParticleData*> m_pending;
154 QVector<qreal> m_lastEmission;
155 int m_particlesPerParticlePerSecond;
156 qreal m_lastTimeStamp;
157 qreal m_emitterXVariation;
158 qreal m_emitterYVariation;
161 QQuickParticleExtruder* m_emissionExtruder;
162 QQuickParticleExtruder* m_defaultEmissionExtruder;
163 bool isEmitFollowConnected();
168 #endif // FOLLOWEMITTER_H