feat(Util): Make groud vector accept transform

Author: jcs090218

Assets/JCSUnity/Scripts/Util/JCS_Vector.cs

@@ -326,10 +326,18 @@ public static Vector3 GetFinalLocalEulerAngles(Transform trans, ref Vector3 inEu
         /// <summary>
         /// Make the vector to a ground vector.
         /// </summary>
+        public static Vector3 GroundVector(Vector3 vec, Vector3 ground)
+        {
+            return GroundVector(vec, ground.y);
+        }
         public static Vector3 GroundVector(Vector3 vec, float y = 0.0f)
         {
             return new Vector3(vec.x, y, vec.z);
         }
+        public static Vector2 GroundVector(Vector2 vec, Vector3 ground)
+        {
+            return GroundVector(vec, ground.y);
+        }
         public static Vector2 GroundVector(Vector2 vec, float y = 0.0f)
         {
             return new Vector3(vec.x, y);