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

 import QtQuick 2.2
 import Box2D 2.0
 import "../shared"
 
 Rectangle {
     width: 800
     height: 600
 
     property Body pressedBody: null
 
     function randomColor() {
         return Qt.rgba(Math.random(), Math.random(), Math.random(), Math.random());
     }
 
     MouseJoint {
         id: mouseJoint
         bodyA: anchor
         dampingRatio: 0.8
         maxForce: 100
     }
 
     MouseArea {
         id: mouseArea
         anchors.fill: parent
 
         onPressed: {
             if (pressedBody != null) {
                 mouseJoint.maxForce = pressedBody.getMass() * 500;
                 mouseJoint.target = Qt.point(mouseX, mouseY);
                 mouseJoint.bodyB = pressedBody;
             }
         }
 
         onPositionChanged: {
             mouseJoint.target = Qt.point(mouseX, mouseY);
         }
 
         onReleased: {
             mouseJoint.bodyB = null;
             pressedBody = null;
         }
     }
 
     World { id: physicsWorld }
 
     RectangleBoxBody {
         id: ground
         color: "#DEDEDE"
         height: 40
         anchors {
             left: parent.left
             right: parent.right
             bottom: parent.bottom
         }
         world: physicsWorld
         friction: 1
         density: 1
     }
 
     Wall {
         id: topWall
         height: 40
         anchors {
             left: parent.left
             right: parent.right
             top: parent.top
         }
     }
 
     Wall {
         id: leftWall
         width: 40
         anchors {
             left: parent.left
             top: parent.top
             bottom: parent.bottom
             bottomMargin: 40
         }
     }
 
     Wall {
         id: rightWall
         width: 40
         anchors {
             right: parent.right
             top: parent.top
             bottom: parent.bottom
             bottomMargin: 40
         }
     }
 
     Body {
         id: anchor
         world: physicsWorld
     }
 
     Repeater {
         model: 20
         Rectangle {
             id: rectangle
 
             x: 40 + Math.random() * 720
             y: 40 + Math.random() * 520
             width: 20 + Math.random() * 100
             height: 20 + Math.random() * 100
             rotation: Math.random() * 360
             color: randomColor()
             border.color: randomColor()
             smooth: true
 
             Body {
                 id: rectangleBody
 
                 target: rectangle
                 world: physicsWorld
                 bodyType: Body.Dynamic
 
                 Box {
                     width: rectangle.width
                     height: rectangle.height
                     density: 0.5
                     restitution: 0.5
                     friction: 0.5
                 }
             }
 
             MouseArea {
                 anchors.fill: parent
                 propagateComposedEvents: true
                 onPressed: {
                     mouse.accepted = false;
                     pressedBody = rectangleBody;
                 }
             }
         }
     }
 
     Rectangle {
         id: debugButton
         x: 50
         y: 50
         width: 120
         height: 30
         Text {
             text: debugDraw.visible ? "Debug view: on" : "Debug view: off"
             anchors.centerIn: parent
         }
         color: "#DEDEDE"
         border.color: "#999"
         radius: 5
         MouseArea {
             anchors.fill: parent
             onClicked: debugDraw.visible = !debugDraw.visible;
         }
     }
 
     DebugDraw {
         id: debugDraw
         world: physicsWorld
         opacity: 0.75
         visible: false
     }
 }