jThree.jsのgomlを使用せず、`THREE.MMD.VMD`を使用してアニメーションさせたい

下記のコードのようにTHREE.SCENEインスタンスに、THREE.MMD.PMXインスタンスからメッシュを生成して追加したところ表示はできたのですが、THREE.MMD.VMDインスタンスを使用してアニメーションさせる手順が分かりません。

gomlの<mmd model="foo.pmx" motion="bar.vmd" onLoad="parent.jThree.MMD.play(true);"/>と同等の処理を、プログラマティックに行う方法はありますか？

<script src="https://code.jquery.com/jquery-2.1.4.js"></script>
<script src="https://cdn.rawgit.com/59naga/j3/3acd7a85f179a3ab02bae3c563e00ca90801b3b6/lib/jThree.js"></script>
<script src="https://cdn.rawgit.com/59naga/j3/3acd7a85f179a3ab02bae3c563e00ca90801b3b6/lib/jThree.Stats.js"></script>
<script src="https://cdn.rawgit.com/59naga/j3/3acd7a85f179a3ab02bae3c563e00ca90801b3b6/lib/jThree.MMD.js"></script>
<script src="https://cdn.rawgit.com/59naga/j3/3acd7a85f179a3ab02bae3c563e00ca90801b3b6/lib/jThree.Trackball.js"></script>
<script src="http://coffeescript.org/extras/coffee-script.js"></script>
<script type="text/coffeescript">
  # Private
  camera= null
  renderer= null
  trackball= null
  
  resize= ->
    camera= new THREE.PerspectiveCamera 45, innerWidth / innerHeight, 1, 1000
    camera.position.set 0, 20, 70
    renderer.setSize innerWidth,innerHeight
  
    trackball= new THREE.TrackballControls camera
  
  # Main
  window.addEventListener 'resize',->
    return unless renderer
    resize()
  
  # document.addEventListener 'DOMContentLoaded',->
  requestAnimationFrame ->
    scene= new THREE.Scene
  
    directionalLight= new THREE.DirectionalLight '#ffffff', 1
    directionalLight.position.set 0, 7, 10
    scene.add directionalLight
  
    geometry= new THREE.CubeGeometry 50, 1, 50
    material= new THREE.MeshLambertMaterial {color:'#999999'}
    cube= new THREE.Mesh geometry, material
    cube.position.set 0, -.5, 0
    scene.add cube
  
    pmx= new THREE.MMD.PMX
    pmx.load 'https://cdn.rawgit.com/59naga/j3/3acd7a85f179a3ab02bae3c563e00ca90801b3b6/example/miku/index.pmx',(pmx)->
      pmx.createMesh {},(mesh)->
        scene.add mesh
  
        vmd= new THREE.MMD.VMD
        vmd.load 'https://cdn.rawgit.com/59naga/j3/3acd7a85f179a3ab02bae3c563e00ca90801b3b6/example/miku/im5066365.vmd',(vmd)->
          cAnimation= vmd.generateCameraAnimation
          lAnimation= vmd.generateLightAnimation
          mAnimation= vmd.generateMorphAnimation pmx
          sAnimation= vmd.generateSkinAnimation pmx
  
          # do staff?
          
          requestAnimationFrame -> render()
          render= ->
            trackball.update() if trackball
            renderer.render scene,camera
  
            requestAnimationFrame render
  
    renderer=
      if window.WebGLRenderingContext
        new THREE.WebGLRenderer
      else
        new THREE.CanvasRenderer
  
    resize()
  
    document.body.appendChild renderer.domElement
  
</script>
<style>
  body {
    margin: 0;
    background-color: #abc;
  }
</style>