parseKeyframeTrack function

KeyframeTrack parseKeyframeTrack(Map<String, dynamic> json)

Implementation

KeyframeTrack parseKeyframeTrack(Map<String,dynamic> json) {
  if (json['type'] == null) {
    throw ('THREE.KeyframeTrack: track type undefined, can not parse');
  }

  final trackType = getTrackTypeForValueTypeName(json['type']);
  late final List<num> times;
  late final List<num> values;

  if (json['times'] == null) {
    times = [];
    values = [];

    AnimationUtils.flattenJSON(json.keys.toList(), times, values, 'value');

    json['times'] = times;
    json['values'] = values;
  }
  else{
    times = List<num>.from(json['times']);
    values = List<num>.from(json['values']);
  }

  // derived classes can define a static parse method
  // if ( trackType.parse != null ) {
  // 	return trackType.parse( json );
  // } else {
  // 	// by default, we assume a constructor compatible with the base
  // 	return new trackType( json['name'], json['times'], json['values'], json['interpolation'] );
  // }

  if (trackType == "NumberKeyframeTrack") {
    return NumberKeyframeTrack(json['name'], times, values, json['interpolation']);
  } else if (trackType == "VectorKeyframeTrack") {
    return VectorKeyframeTrack(json['name'], times, values, json['interpolation']);
  } else if (trackType == "ColorKeyframeTrack") {
    return ColorKeyframeTrack(json['name'], times, values, json['interpolation']);
  } else if (trackType == "QuaternionKeyframeTrack") {
    return QuaternionKeyframeTrack(json['name'], times, values, json['interpolation']);
  } else if (trackType == "BooleanKeyframeTrack") {
    return BooleanKeyframeTrack(json['name'], times, values, json['interpolation']);
  } else if (trackType == "StringKeyframeTrack") {
    return StringKeyframeTrack(json['name'], times, values, json['interpolation']);
  } else {
    throw ("AnimationClip.parseKeyframeTrack trackType: $trackType ");
  }
}