protected override void InitializeProperties(ICollisionShape instance, Actor actor, CollisionShapeConfig config)
        {
            var box = instance as IBoxCollisionShape;
            var boundingBox = actor.ActorModel.LocalBoundingBox;

            box.Position = boundingBox.Min;
            box.SideLengths = boundingBox.GetSideLengths();

            base.InitializeProperties(instance, actor, config);
        }
        protected override void InitializeProperties(ICollisionShape instance, Actor actor, CollisionShapeConfig config)
        {
            var concreteShape = instance as IMeshCollisionShape;

            var modelActorModel = actor.ActorModel as ModelActorModel;
            if (modelActorModel == null)
            {
                throw new InvalidOperationException(
                    "IMeshCollisionShape must be bound to the actor with ModelActorModel.");
            }
            concreteShape.CreateMesh(modelActorModel.Model);

            base.InitializeProperties(instance, actor, config);
        }