turbulence.qml Example File

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  import QtQuick 2.0
  import QtQuick.Particles 2.0

  Rectangle {
      width: 320
      height: 480
      color: "#222222"
      id: root
      Image {
          source: "../../images/candle.png"
          anchors.bottom: parent.bottom
          anchors.horizontalCenter: parent.horizontalCenter
          anchors.bottomMargin: -60
          anchors.horizontalCenterOffset: 2
      }
      ParticleSystem {
          anchors.fill: parent
          MouseArea {
              anchors.fill: parent
              onClicked: turb.enabled = !turb.enabled
          }

          Turbulence {
              id: turb
              enabled: true
              height: (parent.height / 2) - 4
              width: parent.width
              x: parent. width / 4
              anchors.fill: parent
              strength: 32
              NumberAnimation on strength{from: 16; to: 64; easing.type: Easing.InOutBounce; duration: 1800; loops: -1}
          }

          ImageParticle {
              groups: ["smoke"]
              source: "qrc:///particleresources/glowdot.png"
              color: "#11111111"
              colorVariation: 0
          }
          ImageParticle {
              groups: ["flame"]
              source: "qrc:///particleresources/glowdot.png"
              color: "#11ff400f"
              colorVariation: 0.1
          }
          Emitter {
              anchors.centerIn: parent
              group: "flame"

              emitRate: 120
              lifeSpan: 1200
              size: 20
              endSize: 10
              sizeVariation: 10
              acceleration: PointDirection { y: -40 }
              velocity: AngleDirection { angle: 270; magnitude: 20; angleVariation: 22; magnitudeVariation: 5 }
          }
          TrailEmitter {
              id: smoke1
              width: root.width
              height: root.height/2
              group: "smoke"
              follow: "flame"

              emitRatePerParticle: 1
              lifeSpan: 2400
              lifeSpanVariation: 400
              size: 16
              endSize: 8
              sizeVariation: 8
              acceleration: PointDirection { y: -40 }
              velocity: AngleDirection { angle: 270; magnitude: 40; angleVariation: 22; magnitudeVariation: 5 }
          }
          TrailEmitter {
              id: smoke2
              width: root.width
              height: root.height/2 - 20
              group: "smoke"
              follow: "flame"

              emitRatePerParticle: 4
              lifeSpan: 2400
              size: 36
              endSize: 24
              sizeVariation: 12
              acceleration: PointDirection { y: -40 }
              velocity: AngleDirection { angle: 270; magnitude: 40; angleVariation: 22; magnitudeVariation: 5 }
          }
      }
  }