(function () {
    var UPDATE_POSITION_INTERVAL_MS=1000/90;

    var toggle = false;
    var car = "{e22f934b-0a14-445e-9772-4285549cc12f}";
    var interval;

    Entities.editEntity(car,{visible:true});

    var updateToggle = function(){
        if (toggle){
            toggle = false;
        } else {
            toggle = true;
        }
    };

    this.enterEntity=function(entityID){
        if (toggle){
            Entities.editEntity("{5091a0d8-8cfe-40d6-bcf5-f9451b3e4174}",{animation:{running:0}});
            Entities.editEntity(car,{visible:true});
            Script.clearInterval(interval);
            updateToggle();
        } else {
            Entities.editEntity(car,{visible:false});
            Entities.editEntity("{5091a0d8-8cfe-40d6-bcf5-f9451b3e4174}",{animation:{running:1}});
            interval = Script.setInterval(function() {
                var nextPosition = Entities.getEntityProperties(car, 'position').position;
                if (Vec3.distance(MyAvatar.position, nextPosition) < 5.0) {
                    MyAvatar.position = Entities.getEntityProperties(car,'position').position;
                } else {
                    if (interval){
                        Entities.editEntity("{5091a0d8-8cfe-40d6-bcf5-f9451b3e4174}",{animation:{running:0}});
                        Script.clearInterval(interval);
                        updateToggle();
                        Entities.editEntity(car,{visible:true});
                    }
                }
            }, UPDATE_POSITION_INTERVAL_MS);
            updateToggle();
        }
    };
});