Mesh.state.setAnimation(0, animation, true);
          mesh.add(skeletonMesh);

          requestAnimationFrame(render);
          } else requestAnimationFrame(load);
      }

      let lastTime = Date.now();
      function render() {
          // calculate delta time for animation purposes
          let now = Date.now() / 1000;
          let delta = now - lastFrameTime;
          lastFrameTime = now;

          // resize canvas to use full page, adjust camera/renderer
          resize();

          // Upda