 			}
 		}
 		
+		// 计算相对父节点的相对Transform
 		private static function calculateFrameTransform(animationData:Object, armatureData:Object, boneData:Object, frameData:Object):void
 		{
 			var parentBoneData:Object = findBoneData(armatureData, boneData.parent);


	public class DataUtils
	{
		private static const HALF_PI:Number = Math.PI * 0.5;
		private static const DOUBLE_PI:Number = Math.PI * 2;
		
		private static const _helpMatrix:Matrix = new Matrix();
		
		public static function xmlToObject(xml:XML, listNames:Vector.<String> = null):Object

{
	import dragonBones.animation.TimelineState;
	import dragonBones.objects.DBTransform;
	import dragonBones.utils.ConstValues;
	import dragonBones.utils.TransformUtil;
	
	import flash.geom.Matrix;
