attractor.qml Example File

particles/affectors/content/attractor.qml
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 import QtQuick 2.0
 import QtQuick.Particles 2.0

 Rectangle {
     id: root
     width: 360
     height: 540
     color: "black"
     Image {
         source: "../../images/finalfrontier.png"
         anchors.centerIn:parent
     }
     ParticleSystem {
         id: particles
         anchors.fill: parent

         Emitter {
             group: "stars"
             emitRate: 40
             lifeSpan: 4000
             enabled: true
             size: 30
             sizeVariation: 10
             velocity: PointDirection { x: 220; xVariation: 40 }
             height: parent.height
         }
         Emitter {
             group: "roids"
             emitRate: 10
             lifeSpan: 4000
             enabled: true
             size: 30
             sizeVariation: 10
             velocity: PointDirection { x: 220; xVariation: 40 }
             height: parent.height
         }
         ImageParticle {
             id: stars
             groups: ["stars"]
             source: "qrc:///particleresources/star.png"
             color: "white"
             colorVariation: 0.1
             alpha: 0
         }
         ImageParticle {
             id: roids
             groups: ["roids"]
             sprites: Sprite {
                 id: spinState
                 name: "spinning"
                 source: "../../images/meteor.png"
                 frameCount: 35
                 frameDuration: 60
             }
         }
         ImageParticle {
             id: shot
             groups: ["shot"]
             source: "qrc:///particleresources/star.png"

             color: "#0FF06600"
             colorVariation: 0.3
         }
         ImageParticle {
             id: engine
             groups: ["engine"]
             source: "qrc:///particleresources/fuzzydot.png"

             color: "orange"
             SequentialAnimation on color {
                 loops: Animation.Infinite
                 ColorAnimation {
                     from: "red"
                     to: "cyan"
                     duration: 1000
                 }
                 ColorAnimation {
                     from: "cyan"
                     to: "red"
                     duration: 1000
                 }
             }

             colorVariation: 0.2
         }
         Attractor {
             id: gs; pointX: root.width/2; pointY: root.height/2; strength: 4000000;
             affectedParameter: Attractor.Acceleration
             proportionalToDistance: Attractor.InverseQuadratic
         }
         Age {
             x: gs.pointX - 8;
             y: gs.pointY - 8;
             width: 16
             height: 16
         }
         Rectangle {
             color: "black"
             width: 8
             height: 8
             radius: 4
             x: gs.pointX - 4
             y: gs.pointY - 4
         }

         Image {
             source:"../../images/rocket2.png"
             id: ship
             width: 45
             height: 22
             //Automatic movement
             SequentialAnimation on x {
                 loops: -1
                 NumberAnimation{to: root.width-45; easing.type: Easing.InOutQuad; duration: 2000}
                 NumberAnimation{to: 0; easing.type: Easing.OutInQuad; duration: 6000}
             }
             SequentialAnimation on y {
                 loops: -1
                 NumberAnimation{to: root.height-22; easing.type: Easing.OutInQuad; duration: 6000}
                 NumberAnimation{to: 0; easing.type: Easing.InOutQuad; duration: 2000}
             }
         }
         Emitter {
             group: "engine"
             emitRate: 200
             lifeSpan: 1000
             size: 10
             endSize: 4
             sizeVariation: 4
             velocity: PointDirection { x: -128; xVariation: 32 }
             height: ship.height
             y: ship.y
             x: ship.x
             width: 20
         }
         Emitter {
             group: "shot"
             emitRate: 32
             lifeSpan: 1000
             enabled: true
             size: 40
             velocity: PointDirection { x: 256; }
             x: ship.x + ship.width
             y: ship.y + ship.height/2
         }
     }
 }