this.force, this.center, i);
                    }

                    this.physics.step();

                    this.animatedOneFramePast = !this.enabled;
                }
            };

            static animateIn = () => {
                this.view.visible = true;
            };

            static ready = () => this.view.ready();
        }

        class PanelController {
            static init(physics, view, ui) {
                this.physics = physics;
                this.view = view;
          