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

 import QtQuick 2.0
 import Box2D 2.0
 import "../shared"
 
 PhysicsItem {
     id: box
 
     sleepingAllowed: false
     bullet: true
     fixedRotation: true
     bodyType: Body.Dynamic
 
     function moveForward() {
         body.linearVelocity.x = 10;
     }
 
     function moveBackward() {
         body.linearVelocity.x = -10;
     }
 
     function stopMoving() {
         body.linearVelocity.x = 0;
     }
 
     function jump() {
         var impulse = Qt.point(0, -10);
         body.applyLinearImpulse(impulse, body.getWorldCenter());
     }
 
     fixtures: Box {
         width: box.width
         height: box.height
 
         density: 1
         friction: 0.3
         restitution: 0.2
         groupIndex: 1
     }
 
     Rectangle {
         anchors.fill: parent
         color: "red"
     }
 }