CreateFromMorphTargetSequence static method

dynamic CreateFromMorphTargetSequence(dynamic name, dynamic morphTargetSequence, dynamic fps, dynamic noLoop,)

Implementation

static CreateFromMorphTargetSequence(name, morphTargetSequence, fps, noLoop) {
  var numMorphTargets = morphTargetSequence.length;
  var tracks = [];

  for (var i = 0; i < numMorphTargets; i++) {
    List<num> times = [];
    List<num> values = [];

    times.addAll([
      (i + numMorphTargets - 1) % numMorphTargets,
      i,
      (i + 1) % numMorphTargets
    ]);

    values.addAll([0, 1, 0]);

    var order = AnimationUtils.getKeyframeOrder(times);
    times = AnimationUtils.sortedArray(times, 1, order);
    values = AnimationUtils.sortedArray(values, 1, order);

    // if there is a key at the first frame, duplicate it as the
    // last frame as well for perfect loop.
    if (!noLoop && times[0] == 0) {
      times.add(numMorphTargets);
      values.add(values[0]);
    }

    tracks.add(NumberKeyframeTrack(
            '.morphTargetInfluences[${morphTargetSequence[i].name}]',
            times,
            values,
            null)
        .scale(1.0 / fps));
  }

  return AnimationClip(name, -1, tracks);
}