/// <summary>
        /// Load content for the screen.
        /// </summary>
        /// <param name="GraphicInfo"></param>
        /// <param name="factory"></param>
        /// <param name="contentManager"></param>
        protected override void LoadContent(GraphicInfo GraphicInfo, GraphicFactory factory, IContentManager contentManager)
        {
            base.LoadContent(GraphicInfo, factory, contentManager);

            RegisterDebugDrawCommand rc = new RegisterDebugDrawCommand(ddrawer);

            CommandProcessor.getCommandProcessor().SendCommandAssyncronous(rc);

            path.AddCircularObstacle(Vector3.Zero, 10);

            path.AddCircularObstacle(new Vector3(0, 20, 0), 15);

            path.AddCircularObstacle(new Vector3(200), 10);

            foreach (var item in path.Obstacles)
            {
                SphericalObstacle SphericalObstacle = item as SphericalObstacle;
                DebugSphere       s = new DebugSphere(SphericalObstacle.Center, SphericalObstacle.Radius, Color.Blue);
                ddrawer.AddShape(s);
            }
            //DebugSphere.WireFrameEnabled = true;

            DebugLines dls = new DebugLines();

            ddrawer.AddShape(dls);
            for (int i = 0; i < path.PolyPath.pointCount - 1; i++)
            {
                dls.AddLine(path.PolyPath.points[i], path.PolyPath.points[i] + Vector3.Up * 200, Color.Brown);
                dls.AddLine(path.PolyPath.points[i], path.PolyPath.points[i + 1], Color.Red);
            }
            dls.AddLine(path.PolyPath.points[path.PolyPath.pointCount - 1], path.PolyPath.points[path.PolyPath.pointCount - 1] + Vector3.Up * 200, Color.Brown);

            PlugIn = new PedestrianPlugIn(this.World, path,
                                          (pd) =>
            {
                SimpleModel simpleModel = new SimpleModel(factory, "Model//block");
                simpleModel.SetTexture(factory.CreateTexture2DColor(1, 1, Color.Green), TextureType.DIFFUSE);
                ///Physic info (position, rotation and scale are set here)
                GhostObject tmesh = new GhostObject();
                ///Forward Shader (look at this shader construction for more info)
                ForwardXNABasicShader shader = new ForwardXNABasicShader();
                ///Deferred material
                ForwardMaterial fmaterial = new ForwardMaterial(shader);
                ///The object itself
                IObject obj = new IObject(fmaterial, simpleModel, tmesh);
                obj.IObjectAttachment.Add(new SteerAtachment(pd));
                return(obj);
            });

            PlugIn.Init();

            {
                SimpleModel simpleModel = new SimpleModel(factory, "Model//block");
                simpleModel.SetTexture(factory.CreateTexture2DColor(1, 1, Color.White), TextureType.DIFFUSE);
                ///Physic info (position, rotation and scale are set here)
                BoxObject tmesh = new BoxObject(Vector3.Zero, 1, 1, 1, 10, new Vector3(1000, 1, 1000), Matrix.Identity, MaterialDescription.DefaultBepuMaterial());
                tmesh.isMotionLess = true;
                ///Forward Shader (look at this shader construction for more info)
                ForwardXNABasicShader shader = new ForwardXNABasicShader();
                ///Deferred material
                ForwardMaterial fmaterial = new ForwardMaterial(shader);
                ///The object itself
                this.World.AddObject(new IObject(fmaterial, simpleModel, tmesh));
            }

            ///add a camera
            this.World.CameraManager.AddCamera(new CameraFirstPerson(GraphicInfo));
        }