timedgroupchanges.qml Example File

particles/system/content/timedgroupchanges.qml

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  ** Contact: http://www.qt.io/licensing/
  **
  ** This file is part of the examples of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:BSD$
  ** You may use this file under the terms of the BSD license as follows:
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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
          ParticleGroup {
              name: "fire"
              duration: 2000
              durationVariation: 2000
              to: {"splode":1}
          }
          ParticleGroup {
              name: "splode"
              duration: 400
              to: {"dead":1}
              TrailEmitter {
                  group: "works"
                  emitRatePerParticle: 100
                  lifeSpan: 1000
                  maximumEmitted: 1200
                  size: 8
                  velocity: AngleDirection {angle: 270; angleVariation: 45; magnitude: 20; magnitudeVariation: 20;}
                  acceleration: PointDirection {y:100; yVariation: 20}
              }
          }
          ParticleGroup {
              name: "dead"
              duration: 1000
              Affector {
                  once: true
                  onAffected: worksEmitter.burst(400,x,y)
              }
          }

          Timer {
              interval: 6000
              running: true
              triggeredOnStart: true
              repeat: true
              onTriggered:startingEmitter.pulse(100);
          }
          Emitter {
              id: startingEmitter
              group: "fire"
              width: parent.width
              y: parent.height
              enabled: false
              emitRate: 80
              lifeSpan: 6000
              velocity: PointDirection {y:-100;}
              size: 32
          }

          Emitter {
              id: worksEmitter
              group: "works"
              enabled: false
              emitRate: 100
              lifeSpan: 1600
              maximumEmitted: 6400
              size: 8
              velocity: CumulativeDirection {
                  PointDirection {y:-100}
                  AngleDirection {angleVariation: 360; magnitudeVariation: 80;}
              }
              acceleration: PointDirection {y:100; yVariation: 20}
          }

          ImageParticle {
              groups: ["works", "fire", "splode"]
              source: "qrc:///particleresources/glowdot.png"
              entryEffect: ImageParticle.Scale
          }
      }
  }