groupgoal.qml Example File

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

 Rectangle {
     id: root
     width: 360
     height: 600
     color: "black"

     property int score: 0
     Text {
         color: "white"
         anchors.right: parent.right
         text: score
     }

     ParticleSystem {
         id: particles
         anchors.fill: parent
         // ![unlit]
         ParticleGroup {
             name: "unlit"
             duration: 1000
             to: {"lighting":1, "unlit":99}
             ImageParticle {
                 source: "../../images/particleA.png"
                 colorVariation: 0.1
                 color: "#2060160f"
             }
             GroupGoal {
                 whenCollidingWith: ["lit"]
                 goalState: "lighting"
                 jump: true
             }
         }
         // ![unlit]
         // ![lighting]
         ParticleGroup {
             name: "lighting"
             duration: 100
             to: {"lit":1}
         }
         // ![lighting]
         // ![lit]
         ParticleGroup {
             name: "lit"
             duration: 10000
             onEntered: score++;
             TrailEmitter {
                 id: fireballFlame
                 group: "flame"

                 emitRatePerParticle: 48
                 lifeSpan: 200
                 emitWidth: 8
                 emitHeight: 8

                 size: 24
                 sizeVariation: 8
                 endSize: 4
             }

             TrailEmitter {
                 id: fireballSmoke
                 group: "smoke"
         // ![lit]

                 emitRatePerParticle: 120
                 lifeSpan: 2000
                 emitWidth: 16
                 emitHeight: 16

                 velocity: PointDirection {yVariation: 16; xVariation: 16}
                 acceleration: PointDirection {y: -16}

                 size: 24
                 sizeVariation: 8
                 endSize: 8
             }
         }

         ImageParticle {
             id: smoke
             anchors.fill: parent
             groups: ["smoke"]
             source: "qrc:///particleresources/glowdot.png"
             colorVariation: 0
             color: "#00111111"
         }
         ImageParticle {
             id: pilot
             anchors.fill: parent
             groups: ["pilot"]
             source: "qrc:///particleresources/glowdot.png"
             redVariation: 0.01
             blueVariation: 0.4
             color: "#0010004f"
         }
         ImageParticle {
             id: flame
             anchors.fill: parent
             groups: ["flame", "lit", "lighting"]
             source: "../../images/particleA.png"
             colorVariation: 0.1
             color: "#00ff400f"
         }

         Emitter {
             height: parent.height/2
             emitRate: 4
             lifeSpan: 4000//TODO: Infinite & kill zone
             size: 24
             sizeVariation: 4
             velocity: PointDirection {x:120; xVariation: 80; yVariation: 50}
             acceleration: PointDirection {y:120}
             group: "unlit"
         }

         Emitter {
             id: flamer
             x: 100
             y: 300
             group: "pilot"
             emitRate: 80
             lifeSpan: 600
             size: 24
             sizeVariation: 2
             endSize: 0
             velocity: PointDirection { y:-100; yVariation: 4; xVariation: 4 }
             // ![groupgoal-pilot]
             GroupGoal {
                 groups: ["unlit"]
                 goalState: "lit"
                 jump: true
                 system: particles
                 x: -15
                 y: -55
                 height: 75
                 width: 30
                 shape: MaskShape {source: "../../images/matchmask.png"}
             }
             // ![groupgoal-pilot]
         }
         // ![groupgoal-ma]
         //Click to enflame
         GroupGoal {
             groups: ["unlit"]
             goalState: "lighting"
             jump: true
             enabled: ma.pressed
             width: 18
             height: 18
             x: ma.mouseX - width/2
             y: ma.mouseY - height/2
         }
         // ![groupgoal-ma]
         MouseArea {
             id: ma
             anchors.fill: parent
         }
     }
 }