Qt 5.6 | Qt Quick | Qt Quick Particles Examples - Affectors | spritegoal.qml Example File

Qt 5.6.2 Reference Documentation

# spritegoal.qml Example File

particles/affectors/content/spritegoal.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

      Item {
          id: root
          width: 360
          height: 540
          MouseArea {
              id: ma
              anchors.fill: parent
          }

          ParticleSystem { id: sys }
          Image {
              source: "../../images/finalfrontier.png"
              transformOrigin: Item.Center
              anchors.centerIn: parent
              NumberAnimation on rotation {
                  from: 0
                  to: 360
                  duration: 200000
                  loops: Animation.Infinite
              }

          }
          ImageParticle {
              system: sys
              groups: ["starfield"]
              source: "qrc:///particleresources/star.png"
              colorVariation: 0.3
              color: "white"
          }
          Emitter {
              id: starField
              system: sys
              group: "starfield"

              emitRate: 80
              lifeSpan: 2500

              anchors.centerIn: parent

              //acceleration: AngledDirection {angleVariation: 360; magnitude: 200}//Is this a better effect, more consistent velocity?
              acceleration: PointDirection { xVariation: 200; yVariation: 200; }

              size: 0
              endSize: 80
              sizeVariation: 10
          }
          Emitter {
              system: sys
              group: "meteor"
              emitRate: 12
              lifeSpan: 5000
              acceleration: PointDirection { xVariation: 80; yVariation: 80; }
              size: 15
              endSize: 300
              anchors.centerIn: parent
           }
          ImageParticle {
              system: sys
              groups: ["meteor"]
              sprites:[Sprite {
                      id: spinState
                      name: "spinning"
                      source: "../../images/meteor.png"
                      frameCount: 35
                      frameDuration: 40
                      randomStart: true
                      to: {"explode":0, "spinning":1}
                  },Sprite {
                      name: "explode"
                      source: "../../images/_explo.png"
                      frameCount: 22
                      frameDuration: 40
                      to: {"nullFrame":1}
                  },Sprite {//Not sure if this is needed, but seemed easiest
                      name: "nullFrame"
                      source: "../../images/nullRock.png"
                      frameCount: 1
                      frameDuration: 1000
                  }
              ]
          }
          SpriteGoal {
              groups: ["meteor"]
              system: sys
              goalState: "explode"
              jump: true
              anchors.fill: rocketShip
              width: 60
              height: 60
          }
          Image {
              id: rocketShip
              source: "../../images/rocket.png"
              anchors.centerIn: holder
              rotation: (circle.percent+0.25) * 360
              z: 2
          }
          Item {
              id: holder
              x: circle.x - Math.sin(circle.percent * 6.28316530714)*200
              y: circle.y + Math.cos(circle.percent * 6.28316530714)*200
              z: 1
          }

          Item {
              id: circle
              x: root.width / 1.2
              y: root.height / 1.7
              property real percent: 0

              SequentialAnimation on percent {
                  id: circleAnim1
                  loops: Animation.Infinite
                  running: true
                  NumberAnimation {
                  duration: 4000
                  from: 1
                  to: 0
                  }

              }
          }

          ImageParticle {
              z:0
              system: sys
              groups: ["exhaust"]
              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
          }

          Emitter {
              id: trailsNormal2
              system: sys
              group: "exhaust"

              emitRate: 300
              lifeSpan: 500

              y: holder.y
              x: holder.x

              velocity: PointDirection { xVariation: 40; yVariation: 40; }
              velocityFromMovement: 16

              acceleration: PointDirection { xVariation: 10; yVariation: 10; }

              size: 4
              sizeVariation: 4
          }
      }