support three JSON model with Skeletal Animation

[fuleinist]

After updating current json loader in dc4d360 I managed to load the knight model with bones.

However the animation can not be triggered.

playAnimation fired without any error while animation didn't start.

I am looking at how this function has been setup but could not find out why it's not started yet.

` playAnimation: function () {
var clip,
data = this.data,
animations = this.model.animations || this.model.geometry.animations || [];

if (!animations.length) return;

clip = data.animation === DEFAULT_ANIMATION
  ? animations[0]
  : THREE.AnimationClip.findByName(animations, data.animation);

if (!clip) {
  console.error('[three-model] Animation "%s" not found.', data.animation);
  return;
}

this.model.activeAction = this.mixer.clipAction(clip, this.model);
if (data.animationDuration) {
  this.model.activeAction.setDuration(data.animationDuration);
}
this.model.activeAction.play();

},`

Source code for http://threejs.org/examples/webgl_animation_skinning_morph.html

`mesh = new THREE.SkinnedMesh( geometry, new THREE.MultiMaterial( materials ) );
...
mixer = new THREE.AnimationMixer( mesh );
bonesClip = geometry.animations[0];
...
root = rootObjects[ 0 ],

action = null,

API = {
'play()': function play() {
action = mixer.clipAction( clip, root );
action.play();

},
....
`

Any thoughts anyone?

[msj121]

I have created a pull request (#89), this will solve both this issue, and all also #86...

[fuleinist]

Thanks @msj121, tested and works like a charm : )

[msj121]

My pleasure, nice to be able to commit back to this component as I really like the code and I am using it a lot so far :). As you can see I just modified your code a little bit to get it working.

[donmccurdy]

Looks like we're good here, with some more upcoming changes from msj121's #91. Thanks all!