lectedBone.x = mousePosition.x;
                            this.selectedBone.y = mousePosition.y;
                        }
                    }
                })
            }

            update(canvas, delta) {
                this.animationState.update(delta);
                this.animationState.apply(this.skeleton);
                this.skeleton.updateWorldTransform(spine.Physics.update);
            }

            render(canvas) {
                let renderer = canvas.renderer;
                rend