fromJson static method

Animation fromJson(Map<String, dynamic> json)

Implementation

static Animation fromJson(Map<String, dynamic> json) {
  final type = AnimationType.values.firstWhere(
    (e) => e.toString().split('.').last == json['type'],
  );
  final start = json['start'] as int;
  final end = json['end'] as int;

  switch (type) {
    case AnimationType.translate:
      return TranslateAnimation(
        start: start,
        end: end,
        x: json['x'] as int,
        y: json['y'] as int,
      );
    case AnimationType.rotate:
      return RotateAnimation(
        start: start,
        end: end,
        angle: (json['angle'] as num).toDouble(),
        pivotX: (json['pivotX'] as num).toDouble(),
        pivotY: (json['pivotY'] as num).toDouble(),
      );
    case AnimationType.scale:
      return ScaleAnimation(
        start: start,
        end: end,
        scaleX: (json['scaleX'] as num).toDouble(),
        scaleY: (json['scaleY'] as num).toDouble(),
        pivotX: (json['pivotX'] as num).toDouble(),
        pivotY: (json['pivotY'] as num).toDouble(),
      );
    case AnimationType.alpha:
      return AlphaAnimation(
        start: start,
        end: end,
        alpha: (json['alpha'] as num).toDouble(),
      );
    case AnimationType.sound:
      return SoundAnimation(start: start, end: end);
  }
}