Warning, /education/gcompris/external/qml-box2d/examples/demolition/demolition.qml is written in an unsupported language. File is not indexed.

 import QtQuick 2.0
 import Box2D 2.0
 import "../shared"
 
 Image {
     id: screen;
     width: 640; height: 360
     source: "images/background.png"
     Image {
         id: skyline
         anchors {
             bottom: parent.bottom
             left: parent.left
             right: parent.right
         }
 
         source: "images/skyline.png"
     }
 
     // A wheel that will be created dynamically
     Component {
         id: wheelComponent
         Image {
             id: wheel
 
             smooth: true
             source: "images/wheel.png"
 
             CircleBody {
                 id: wheelBody
 
                 world: physicsWorld
                 target: wheel
                 bodyType: Body.Dynamic
 
                 density: 6
                 friction: 1.0
                 restitution: 0.6
 
                 radius: wheel.width / 2
             }
 
             MouseArea {
                 anchors.fill: parent
                 onReleased: timer.running = false
                 onPressed: {
                     if(wheel.x < (physicsRoot.width / 2)) {
                         timer.clockwise = true
                     }
                     else {
                         timer.clockwise = false
                     }
 
                     timer.running = true
                 }
 
                 Timer {
                     id: timer
                     property bool clockwise
                     interval: 100
                     repeat: true
                     onTriggered: {
                         if(clockwise) {
                             wheelBody.applyTorque(-3000)
                         }
                         else {
                             wheelBody.applyTorque(3000)
                         }
                     }
                 }
             }
         }
     }
 
     Text {
         anchors {
             top: parent.top; topMargin: 20
             left: parent.left; leftMargin: 25
         }
 
         text: "Press and hold to create a wheel.\nPress and hold on top of the wheel to apply torque."
         color: "white"
         font.pixelSize: 12
     }
 
     Flickable {
         anchors.fill: parent
 
         // Try to double the contentWidth..
         contentWidth: physicsRoot.width // * 2
         contentHeight: physicsRoot.height
 
         World { id: physicsWorld }
 
         Item {
             id: physicsRoot
             width: screen.width
             height: screen.height
 
             MouseArea {
                 anchors.fill: parent
                 onPressAndHold: {
                     var wheel = wheelComponent.createObject(physicsRoot)
                     wheel.x = mouse.x - wheel.width / 2
                     wheel.y = mouse.y - wheel.height / 2
                 }
             }
 
             Building {
                 id: victim
                 anchors {
                     bottom: ground.top
                 }
                 x: 100
                 floors: 6
                 stairways: 3
             }
 
             Building {
                 anchors {
                     bottom: ground.top
                 }
                 x: 400
                 floors: 6
                 stairways: 3
             }
 
             Wall {
                 id: ceiling
                 height: 20
                 anchors {
                     top: parent.top
                     left: parent.left
                     right: parent.right
                 }
             }
 
             Wall {
                 id: leftWall
                 width: 20
                 anchors {
                     top: parent.top
                     bottom: parent.bottom
                     left: parent.left
                 }
             }
 
             Wall {
                 id: rightWall
                 width: 20
                 anchors {
                     top: parent.top
                     bottom: parent.bottom
                     right: parent.right
                 }
             }
 
             Wall {
                 id: ground
                 height: 20
                 anchors {
                     left: parent.left
                     right: parent.right
                     bottom: parent.bottom
                 }
             }
 
             Wall {
                 id: exitWall
                 width: 85
                 height: 20
                 anchors {
                     top: ceiling.bottom
                     right: rightWall.left
                 }
             }
         }
 
         DebugDraw {
             id: debugDraw
             anchors.fill: physicsRoot
             world: world
             opacity: 0.75
             visible: false
         }
     }
 
 
     Image {
         anchors {
             top: parent.top; topMargin: 10
             right: parent.right; rightMargin: 20
         }
 
         fillMode: Image.PreserveAspectFit
         source: "images/plate.png"
         smooth: true
         Behavior on scale {
             PropertyAnimation { easing.type: Easing.OutCubic; duration: 100; }
         }
         MouseArea {
             anchors.fill: parent
             scale: 1.4
             onClicked: Qt.quit()
             onPressed: parent.scale = 0.9
             onReleased: parent.scale = 1.0
         }
     }
 }