移除过时实现；

OMath.cs

@@ -20,78 +20,6 @@ namespace Oroxylum
     {
         public const float ZeroTolerance = 1e-08f;
 
-        #region 直线与平面交点
-
-        /// <summary>
-        /// 计算直线与平面的交点
-        /// 
-        /// 通用的部分；
-        /// 
-        /// ——程一峰；2020.11.09
-        /// </summary>
-        /// <param name="point">直线上某一点</param>
-        /// <param name="direct">直线的方向</param>
-        /// <param name="planeNormal">垂直于平面的的向量</param>
-        /// <param name="planePoint">平面上的任意一点</param>
-        /// <returns></returns>
-        public static Vector3 GetIntersectWithLineAndPlane(Vector3 point, Vector3 direct, Vector3 planeNormal, Vector3 planePoint)
-        {
-            float d = Vector3.Dot(planePoint - point, planeNormal) / Vector3.Dot(direct.normalized, planeNormal);
-            //直线与平面的交点
-            Vector3 hitPoint = (d * direct.normalized) + point;
-            return hitPoint;
-        }
-
-        /// <summary>
-        /// 点到直线的距离；
-        /// </summary>
-        /// <param name="point">目标点</param>
-        /// <param name="linePoint1">直线上一点</param>
-        /// <param name="linePoint2">直线上另一点</param>
-        /// <returns></returns>
-        public static float GetDistancePointToLine(Vector3 point, Vector3 linePoint1, Vector3 linePoint2)
-        {
-            Vector3 vec1 = point - linePoint1;
-            Vector3 vec2 = linePoint2 - linePoint1;
-            Vector3 vecProj = Vector3.Project(vec1, vec2);
-            float dis = Mathf.Sqrt(Mathf.Pow(Vector3.Magnitude(vec1), 2) - Mathf.Pow(Vector3.Magnitude(vecProj), 2));
-            return dis;
-        }
-
-        /// <summary>
-        /// 
-        /// 计算射线与平面的交点
-        /// 
-        /// 通用的部分；
-        /// 
-        /// ——程一峰；2020.11.17
-        /// </summary>
-        /// <param name="ray">射线</param>
-        /// <param name="planeNormal">垂直于平面的的向量</param>
-        /// <param name="planePoint">平面上的任意一点</param>
-        /// <returns></returns>
-        public static Vector3 GetIntersectWithLineAndPlane(Ray ray, Vector3 planeNormal, Vector3 planePoint) { return GetIntersectWithLineAndPlane(ray.origin, ray.direction, planeNormal, planePoint); }
-
-        /// <summary>
-        /// 
-        /// 计算射线与水平平面的交点
-        /// 
-        /// 通用的部分；
-        /// 
-        /// ——程一峰；2020.11.17
-        /// </summary>
-        /// <param name="ray">射线</param>
-        /// <param name="height">高度</param>
-        /// <returns></returns>
-        public static Vector3 GetIntersectWithLineAndPlane(Ray ray, float height)
-        {
-            var point = GetIntersectWithLineAndPlane(ray.origin, ray.direction, Vector3.up, new Vector3(0, height, 0));
-            point.y = height;
-            return point;
-        }
-
-        #endregion
-
         #region 值转换
 
         /// <summary>