Kinect for Unity中 角色相对与Kinect设备的位置到屏幕中坐标位置的转换

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

/***Kinect坐标转换为屏幕坐标***/

public class KinectPointToScreenPoint
{
    public static Vector3 Rec(KinectInterop.JointType trackedJoint)
    {
        KinectManager manager = KinectManager.Instance;
        if (manager && manager.IsInitialized())
        {
            int iJointIndex = (int)trackedJoint;
            if (manager.IsUserDetected())
            {
                long userId = manager.GetPrimaryUserID();

                if (manager.IsJointTracked(userId, iJointIndex))
                {
                    Vector3 jointPosV3 = manager.GetJointKinectPosition(userId, iJointIndex);
                    if (jointPosV3 != Vector3.zero)
                    {
                        //3d position to depth
                        Vector2 depthPos = manager.MapSpacePointToDepthCoords(jointPosV3);
                        ushort depthValue = manager.GetDepthForPixel((int)depthPos.x, (int)depthPos.y);

                        if (depthValue > 0)
                        {
                            //depth pos to color pos
                            Vector2 colorPos = manager.MapDepthPointToColorCoords(depthPos, depthValue);

                            float xNorm = (float)colorPos.x / manager.GetColorImageWidth();
                            float yNorm = 1.0f - (float)colorPos.y / manager.GetColorImageHeight(); //视口坐标

                            Vector3 v3 = Camera.main.ViewportToScreenPoint(new Vector3(xNorm, yNorm, 0));
                            return v3;
                        }
                    }
                }
            }
        }  
		return Vector3.zero;
    }
}