loadAnimations: function() {
var animations = this._gltfJSON.animations;
if (!animations) return;
var accessors = this._gltfJSON.accessors;
var nodeAnimationTypes = this._nodeAnimationTypes;
var nodes = this._gltfJSON.nodes;
var meshes = this._gltfJSON.meshes;
var osgjsAnimations = [];
for (var i = 0; i < animations.length; i++) {
var channels = animations[i].channels;
var samplers = animations[i].samplers;
var osgjsChannels = [];
for (var j = 0; j < channels.length; j++) {
var channel = channels[j];
var sampler = samplers[channel.sampler];
var times = accessors[sampler.input].data.getElements();
var accessorValues = accessors[sampler.output];
var values = accessorValues.data.getElements();
// target.id is deprecated
var target = channel.target;
var createChannel =
ReaderWriterGLTF.TYPE_CHANNEL_PATH[target.path][accessorValues.type];
var nodeIndex = target.node !== undefined ? target.node : target.id;
var node = nodes[nodeIndex];
var channelName = target.path;
var targetName = nodes[nodeIndex].osgjsNodeName;
// needs to get the updateCallback name of the morph geometry
if (channelName === 'weights') {
// if morph target we need to split each channel into scalar for each target
var mesh = meshes[node.mesh];
var nbTargets = mesh.primitives[0].targets.length;
var nkKeys = times.length;
for (var targetIndex = 0; targetIndex < nbTargets; targetIndex++) {
var weights = new Float32Array(nkKeys);
for (var v = 0; v < nkKeys; v++) {
weights[v] = values[v * nbTargets + targetIndex];
}
targetName = this._getMorphTargetName(mesh, targetIndex);
osgjsChannels.push(createChannel(weights, times, targetName, targetIndex));
}
} else {
osgjsChannels.push(createChannel(values, times, targetName, channelName));
}
if (!nodeAnimationTypes[nodeIndex]) nodeAnimationTypes[nodeIndex] = {};
nodeAnimationTypes[nodeIndex][channelName] = true;
}
var animationName = 'animation-' + i.toString();
osgjsAnimations.push(animationFactory.createAnimation(osgjsChannels, animationName));
}
var animationManager = new BasicAnimationManager();
animationManager.init(osgjsAnimations);
this._animationManager = animationManager;
},
var createAnimationWithNegativeKey = function(name, target1, target2) {
var a = createFloatKeyframes(-10);
a.target = target1 || 'a';
a.name = 'rotateX';
var b = createFloatKeyframes(10);
b.target = target2 || 'b';
b.name = 'rotateY';
return Animation.createAnimation([a, b], name);
};
return P.all( arrayChannelsPromise ).then( function ( channels ) {
return Animation.createAnimation( channels, jsonObj.Name );
} );
return P.all(channelsPromiseArray).then(function(channels) {
return animation.createAnimation(channels, animName);
});