Qt Quick Demo - Same Game

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 import QtQuick 2.0
 import QtQuick.Particles 2.0

 Item {
     z: 10
     property alias source: img.source
     property alias system: emitter.system
     property int playerNum: 1
     function play() {
         anim.running = true;
     }
     anchors.centerIn: parent
     Image {
         opacity: 0
         id: img
         anchors.centerIn: parent
         rotation: playerNum == 1 ? -8 : -5
         Emitter {
             id: emitter
             group: "smoke"
             anchors.fill: parent
             shape: MaskShape { source: img.source }
             enabled: false
             emitRate: 1000
             lifeSpan: 600
             size: 64
             endSize: 32
             velocity: AngleDirection { angleVariation: 360; magnitudeVariation: 160 }
         }
     }
     SequentialAnimation {
         id: anim
         running: false
         PauseAnimation { duration: 500}
         ParallelAnimation {
             NumberAnimation { target: img; property: "opacity"; from: 0.1; to: 1.0 }
             NumberAnimation { target: img; property: "scale"; from: 0.1; to: 1.0 }
         }
         PauseAnimation { duration: 250}
         ScriptAction { script: emitter.pulse(100); }
         NumberAnimation { target: img; property: "opacity"; from: 1.0; to: 0.0 }
     }
 }