diff options
Diffstat (limited to 'src/declarative/particles/qsgwander.cpp')
| -rw-r--r-- | src/declarative/particles/qsgwander.cpp | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/src/declarative/particles/qsgwander.cpp b/src/declarative/particles/qsgwander.cpp index a4a4d2c9c5..d3e87fb241 100644 --- a/src/declarative/particles/qsgwander.cpp +++ b/src/declarative/particles/qsgwander.cpp @@ -49,10 +49,39 @@ QT_BEGIN_NAMESPACE \brief The Wander affector allows particles to randomly vary their trajectory. */ +/*! + \qmlproperty real QtQuick.Particles2::Wander::pace + + Maximum attribute change per second. +*/ +/*! + \qmlproperty real QtQuick.Particles2::Wander::xVariance + + Maximum attribute x value (as a result of Wander). + + If unset, Wander will not affect x values. +*/ +/*! + \qmlproperty real QtQuick.Particles2::Wander::yVariance + + Maximum attribute y value (as a result of Wander). + + If unset, Wander will not affect y values. +*/ +/*! + \qmlproperty AffectableParameter QtQuick.Particles2::Wander::affectedParameter + + What attribute of particles is directly affected. + \list + \o PointAttractor.Position + \o PointAttractor.Velocity + \o PointAttractor.Acceleration + \endlist +*/ QSGWanderAffector::QSGWanderAffector(QSGItem *parent) : QSGParticleAffector(parent), m_xVariance(0), m_yVariance(0), m_pace(0) - , m_physics(Velocity) + , m_affectedParameter(Velocity) { m_needsReset = true; } @@ -119,7 +148,7 @@ bool QSGWanderAffector::affectParticle(QSGParticleData* data, qreal dt) qreal dx = dt * m_pace * (2 * qreal(qrand())/RAND_MAX - 1); qreal dy = dt * m_pace * (2 * qreal(qrand())/RAND_MAX - 1); qreal newX, newY; - switch (m_physics){ + switch (m_affectedParameter){ case Position: newX = data->curX() + dx; if (m_xVariance > qAbs(newX) ) |