rotation.qml Example File

particles/imageparticle/content/rotation.qml
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import QtQuick 2.0 import QtQuick.Particles 2.0 Rectangle { color: "goldenrod" width: 2000 height: 2000 ParticleSystem {id: sys} ImageParticle { id: up system: sys source: "../../images/starfish_2.png" autoRotation: true //leaving these two settings at default allows you to test going up performance levels rotation: -90 } Emitter { anchors.centerIn: parent system: sys emitRate: 10 size: 200 lifeSpan: 10000 velocity: AngleDirection {angleVariation: 360; magnitudeVariation: 100;} } MouseArea { anchors.fill: parent onClicked: { up.autoRotation = !up.autoRotation up.rotation = up.autoRotation ? -90 : 0 } } }