qtdeclarative/examples/declarative/particles/trails/fireworks.qml

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import QtQuick 2.0
import QtQuick.Particles 2.0

Rectangle{
    width: 360
    height: 600
    color: "black"
    ParticleSystem{
        anchors.fill: parent
        id: syssy
        particleStates:[
            Sprite{
                name: "fire"
                duration: 2000
                durationVariation: 2000
                to: {"splode":1}
            },
            Sprite{
                name: "splode"
                duration: 400
                to: {"dead":1}
                FollowEmitter{
                    particle: "works"
                    emitRatePerParticle: 100
                    lifeSpan: 1000
                    emitCap: 1200
                    size: 8
                    speed: AngledDirection{angle: 270; angleVariation: 45; magnitude: 20; magnitudeVariation: 20;}
                    acceleration: PointDirection{y:100; yVariation: 20}
                }
            },
            Sprite{
                name: "dead"
                duration: 1000
                Affector{
                    onceOff: true
                    signal: true
                    onAffected: worksEmitter.burst(400,x,y)
                }
            }
        ]
        Timer{
            interval: 6000
            running: true
            triggeredOnStart: true
            repeat: true
            onTriggered:startingEmitter.pulse(0.1);
        }
        Emitter{
            id: startingEmitter
            particle: "fire"
            width: parent.width
            y: parent.height
            emitting: false
            emitRate: 80
            lifeSpan: 6000
            speed: PointDirection{y:-100;}
            size: 32
        }
        Emitter{
            id: worksEmitter
            particle: "works"
            emitting: false
            emitRate: 100
            lifeSpan: 1600
            emitCap: 6400
            size: 8
            speed: CumulativeDirection{
                PointDirection{y:-100}
                AngledDirection{angleVariation: 360; magnitudeVariation: 80;}
            }
            acceleration: PointDirection{y:100; yVariation: 20}
        }
        ImageParticle{
            particles: ["works", "fire", "splode"]
            source: "content/particle.png"
        }
    }
}