Multi-Scene-Multi-Level Demo
           import QtQuick 2.0
 import Felgo 4.0
 import "../common" as Common
 Common.LevelBase {
   levelName: "Level3"
   Rectangle {
     id: rectangle
     color: "blue"
     width: 100
     height: 100
     radius: 10
     anchors.horizontalCenter: parent.horizontalCenter
     anchors.horizontalCenterOffset: 120
     anchors.verticalCenter: parent.verticalCenter
     MouseArea {
       anchors.fill: parent
       onPressed: rectanglePressed()
     }
   }
   
   
   SequentialAnimation {
     running: true
     
     loops: Animation.Infinite
     
     NumberAnimation {
       target: rectangle
       duration: 1500
       property: "anchors.horizontalCenterOffset"
       easing.type: Easing.InOutQuad
       to: -120
     }
     
     NumberAnimation {
       target: rectangle
       duration: 1500
       property: "anchors.horizontalCenterOffset"
       easing.type: Easing.InOutQuad
       to: 120