/// <summary>
        /// Checks that one of all ground position of a building are blocked.
        /// </summary>
        /// <param name="_building">Building to check.</param>
        /// <param name="_ground">Ground, where the building is right now.</param>
        /// <returns>Returns true if one ground of the building is blocked.</returns>
        private bool IsBuildingGroundsBlocked(Building _building, Ground _ground)
        {
            for (int y = 0; y < _building.CurrentHeightH; y++)
            {
                for (int x = 0; x < _building.CurrentWidthH; x++)
                {
                    // current x and y position
                    int xPosition = x + _ground.GetWidth;
                    int yPosition = y + _ground.GetHeight;



                    bool isUnitOnGround = IsUnitOnGround(xPosition, yPosition);

                    if (MapGenerator.IsGroundBlocked(xPosition, yPosition) || isUnitOnGround)
                    {
                        return(true);
                    }
                }
            }

            return(false);
        }
 public void SetGround(Ground _ground)
 {
     _comeFromGround = _ground;
 }