BoomBlock.qml Example File

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  import QtQuick 2.0
  import QtQuick.Particles 2.0

  Item {
      id: block

      property int type: 0
      property bool dying: false

      property bool spawned: false

      Behavior on x {
          enabled: spawned;
          SpringAnimation{ spring: 2; damping: 0.2 }
      }
      Behavior on y {
          SpringAnimation{ spring: 2; damping: 0.2 }
      }

      Image {
          id: img

          anchors.fill: parent
          source: {
              if (type == 0)
                  return "../../shared/pics/redStone.png";
              else if (type == 1)
                  return "../../shared/pics/blueStone.png";
              else
                  return "../../shared/pics/greenStone.png";
          }
          opacity: 0

          Behavior on opacity {
              NumberAnimation { properties:"opacity"; duration: 200 }
          }
      }

      ParticleSystem {
          id: sys
          anchors.centerIn: parent
          ImageParticle {
              // ![0]
              source: {
                  if (type == 0)
                      return "../../shared/pics/redStar.png";
                  else if (type == 1)
                      return "../../shared/pics/blueStar.png";
                  else
                      return "../../shared/pics/greenStar.png";
              }
              rotationVelocityVariation: 360
              // ![0]
          }

          Emitter {
              id: particles
              anchors.centerIn: parent
              emitRate: 0
              lifeSpan: 700
              velocity: AngleDirection {angleVariation: 360; magnitude: 80; magnitudeVariation: 40}
              size: 16
          }
      }

      states: [
          State {
              name: "AliveState"
              when: spawned == true && dying == false
              PropertyChanges { target: img; opacity: 1 }
          },

          State {
              name: "DeathState"
              when: dying == true
              StateChangeScript { script: particles.burst(50); }
              PropertyChanges { target: img; opacity: 0 }
              StateChangeScript { script: block.destroy(1000); }
          }
      ]
  }