import Qt 4.6 Item { property bool explode : false Particles { id: particles width: 40 height: 40 lifeSpan: 1000 lifeSpanDeviation: 0 source: "pics/star.png" count: 0 angle: 270 angleDeviation: 360 velocity: 100 velocityDeviation: 20 z: 100 opacity: 1 } states: [ State { name: "exploding"; when: explode == true StateChangeScript {script: particles.burst(200); } } ] }