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BearWhackParticleSystem.qml Example File

touchinteraction/multipointtouch/content/BearWhackParticleSystem.qml
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** This file is part of the examples of the Qt Toolkit.
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import QtQuick 2.0
import QtQuick.Particles 2.0

ParticleSystem {
    id: particleSystem
    function explode(x,y) {
        fireEmitter.burst(100,x,y);
    }

    Emitter {
        id: emitter
        group: "bears"
        width: parent.width
        emitRate: 1
        NumberAnimation on emitRate {
            id: goFaster
            from: 1
            to: 16
            running: particleSystem.running
            loops: 1
            duration: 60000 * 5
            easing.type: Easing.Linear
        }
        lifeSpan: 4000 + 800*(16-emitRate)
        maximumEmitted: 128
        size: 64
        velocity: PointDirection{ y: 40 + 10 * emitter.emitRate }
    }

    Emitter {
        id: fireEmitter
        enabled: false
        maximumEmitted: 6000
        group: "flame"
        emitRate: 1000
        size: 16
        endSize: 8
        velocity: CumulativeDirection { AngleDirection {angleVariation: 180; magnitudeVariation: 120;} PointDirection { y: -60 }}
        lifeSpan: 400
    }
    Emitter {
        id: heartEmitter
        enabled: false
        maximumEmitted: 6000
        group: "hearts"
        emitRate: 1000
        size: 16
        endSize: 8
        velocity: AngleDirection {angleVariation: 180; magnitudeVariation: 180;}
        lifeSpan: 600
    }
    Emitter {
        id: bloodEmitter
        enabled: false
        maximumEmitted: 6000
        group: "blood"
        emitRate: 1000
        size: 16
        endSize: 8
        velocity: CumulativeDirection { AngleDirection {angleVariation: 180; magnitudeVariation: 80;} PointDirection { y: 40 }}
        lifeSpan: 600
    }

    Affector {
        width: parent.width
        height: 64
        once: true
        y: parent.height - 32
        groups: "bears"
        onAffectParticles: {
            for (var i=0;i<particles.length; i++) {
                if (particles[i].animationIndex != 0) {
                    score++;
                    bloodEmitter.burst(100, particles[i].x, particles[i].y);
                } else {
                    score--;
                    heartEmitter.burst(100, particles[i].x, particles[i].y);
                }
                particles[i].update = 1.0;
                particles[i].t -= 1000.0;
            }
        }
    }
    ImageParticle {
        groups: ["flame"]
        source: "blur-circle.png"
        z: 4
        colorVariation: 0.1
        color: "#ffa24d"
        alpha: 0.4
    }
    ImageParticle {
        groups: ["blood"]
        color: "red"
        z: 2
        source: "blur-circle3.png"
        alpha: 0.2
    }
    ImageParticle {
        groups: ["hearts"]
        color: "#ff66AA"
        z: 3
        source: "heart-blur.png"
        alpha: 0.4
        autoRotation: true
    }
    ImageParticle {
        groups: ["bears"]
        z: 1
        spritesInterpolate: false
        sprites:[
        Sprite{
            name: "floating"
            source: "Bear1.png"
            frameCount: 9
            frameWidth: 256
            frameHeight: 256
            frameDuration: 80
            to: {"still":0, "flailing":0}
        },
        Sprite{
            name: "flailing"
            source: "Bear2.png"
            frameCount: 8
            frameWidth: 256
            frameHeight: 256
            frameDuration: 80
            to: {"falling":1}
        },
        Sprite{
            name: "falling"
            source: "Bear3.png"
            frameCount: 5
            frameWidth: 256
            frameHeight: 256
            frameDuration: 80
            to: {"falling":1}
        }
        ]
    }
}
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