/// <summary>
        /// 获取每个骨骼分别与坐标系的夹角(X,Y,Z轴的夹角)
        /// </summary>
        /// <param name="joints3"></param>
        /// <returns></returns>
        public static List <KeyBone> GetBodyAllKeyBones(IReadOnlyDictionary <JointType, Joint> joints3)
        {
            var            boneDic  = SkeletonDictionary.GetBoneDic();
            var            jointDic = SkeletonDictionary.GetJointDic();
            List <KeyBone> keyBones = new List <KeyBone>();

            foreach (Bone bone in SkeletonDictionary.GetBoneDic().Keys)
            {
                CameraSpacePoint point1  = joints3[boneDic[bone].Item1].Position;
                CameraSpacePoint point2  = joints3[boneDic[bone].Item2].Position;
                CameraSpacePoint vector  = VectorHelp.GetVector(point1, point2);
                KeyBone          keyBone = new KeyBone
                {
                    Name   = bone,
                    Vector = vector,
                    AngleX = VectorHelp.GetVectorAngle(vector, new CameraSpacePoint()
                    {
                        X = 1, Y = 0, Z = 0
                    }),
                    AngleY = VectorHelp.GetVectorAngle(vector, new CameraSpacePoint()
                    {
                        X = 0, Y = 1, Z = 0
                    }),
                    AngleZ = VectorHelp.GetVectorAngle(vector, new CameraSpacePoint()
                    {
                        X = 0, Y = 0, Z = 1
                    })
                };
                keyBones.Add(keyBone);
            }

            return(keyBones);
        }
        /// <summary>
        /// 获取所有关节的角度
        /// </summary>
        /// <param name="joints3">关节的三维坐标</param>
        /// <returns></returns>
        public static List <JointAngle> GetBodyJointAngleList(IReadOnlyDictionary <JointType, Joint> joints3)
        {
            List <JointAngle> jointAngles = new List <JointAngle>();
            //骨头字典
            Dictionary <Bone, Tuple <JointType, JointType> > boneDic = SkeletonDictionary.GetBoneDic();
            //关节字典
            Dictionary <JointType, Tuple <Bone, Bone> > jointDic = SkeletonDictionary.GetJointDic();

            foreach (KeyValuePair <JointType, Tuple <Bone, Bone> > pair in jointDic)
            {
                Tuple <JointType, JointType> bondVectorTuple1 = boneDic[pair.Value.Item1];
                Tuple <JointType, JointType> bondVectorTuple2 = boneDic[pair.Value.Item2];

                CameraSpacePoint vector1 = VectorHelp.GetVector(joints3[bondVectorTuple1.Item1].Position,
                                                                joints3[bondVectorTuple1.Item2].Position);
                CameraSpacePoint vector2 = VectorHelp.GetVector(joints3[bondVectorTuple2.Item2].Position,
                                                                joints3[bondVectorTuple2.Item1].Position);

                float angle = VectorHelp.GetVectorAngle(vector1, vector2);
                //angle = (float) Math.Round(angle, 2);

                jointAngles.Add(new JointAngle(pair.Key, angle));
            }

            return(jointAngles);
        }
        /// <summary>
        /// 画一个人的骨架
        /// </summary>
        /// <param name="joints3"></param>
        /// <param name="jointPoints"></param>
        /// <param name="drawingContext"></param>
        /// <param name="drawingPen"></param>
        public void DrawBody(Dictionary <JointType, Joint2D> jointPoints, DrawingContext drawingContext, Pen drawingPen)
        {
            //画出骨头
            Dictionary <Bone, Tuple <JointType, JointType> > boneDic = SkeletonDictionary.GetBoneDic();

            foreach (KeyValuePair <Bone, Tuple <JointType, JointType> > boneValuePair in boneDic)
            {
                Tuple <JointType, JointType> bone = boneValuePair.Value;
                this.DrawBone(jointPoints, bone, drawingContext, drawingPen);
            }
        }