var body:b2Body;

var bodyDef:b2BodyDef;

 

bodyDef = new b2BodyDef();

bodyDef.position.x =10;

bodyDef.position.y =4;

body = m_world.CreateBody(bodyDef);

 

addPolygonDef(new b2Vec2(0,0));

addPolygonDef(new b2Vec2(0.6,0));

addPolygonDef(new b2Vec2(1.2,0));

addPolygonDef(new b2Vec2(1.2,0.6));

 

body.SetMassFromShapes();

 

private function addPolygonDef(v:b2Vec2):void{

        var ShapeDef:b2PolygonDef=new b2PolygonDef();

        ShapeDef.SetAsOrientedBox(0.3, 0.3,v,0);

        ShapeDef.density = 1;

        ShapeDef.friction = 1;

        ShapeDef.restitution = 0.3;

        ShapeDef.userData = new PhysBox();

        ShapeDef.userData.width = 18; 

        ShapeDef.userData.height = 18; 

        addChild(ShapeDef.userData);

        body.CreateShape(ShapeDef);

}

public function Update(e:Event):void{

 

        m_world.Step(m_timeStep, m_iterations);

 

        for (var bb:b2Body = m_world.m_bodyList; bb; bb = bb.m_next)

                for (var bs:b2Shape = bb.m_shapeList; bs; bs = bs.m_next){

                        if (bs.m_userData is Sprite){

                                bs.m_userData.x = bb.GetPosition().x * 30;

                                bs.m_userData.y = bb.GetPosition().y * 30;

                                bs.m_userData.rotation = bb.GetAngle() * (180/Math.PI);

 

                        }

                }

}