public void DrawStickFigure(ref WriteableBitmap image, DepthGenerator depthGenerator, DepthMetaData data,
                UserGenerator userGenerator, Ray3D[] rays)
        {
            Point3D corner = new Point3D(data.XRes, data.YRes, data.ZRes);
            corner = depthGenerator.ConvertProjectiveToRealWorld(corner);
            this.depthGenerator = depthGenerator;

            int nXRes = data.XRes;
            int nYRes = data.YRes;

            // TODO: Fix these.
            /*foreach (Ray3D ray in rays)
            {
                if (ray != null)
                {
                    int[] p0 = ray.point0();
                    int[] p1 = ray.point1();
                    DrawTheLine(ref image, p0, p1);
                }
            }*/

            int[] users = userGenerator.GetUsers();
            foreach (int user in users)
            {
                if (userGenerator.SkeletonCapability.IsTracking(user))
                {
                    DrawSingleUser(ref image, user, userGenerator, corner);
                }
            }
        }