ISEbd-21_Putilin_P.A._AirplaneWithRadar_Base/AirplaneWithRadar/AirplaneWithRadar/DrawingAirplane.cs

namespace AirplaneWithRadar
{
    /// <summary>
    /// Класс, отвечающий за прорисовку и перемещение объекта-сущности
    /// </summary>
    internal class DrawningAirplane
    {
        /// <summary>
        /// Класс-сущность
        /// </summary>
        public EntityAirplane Airplane { private set; get; }
        /// <summary>
        /// Левая координата отрисовки самолёта
        /// </summary>
        private float _startPosX;
        /// <summary>
        /// Верхняя кооридната отрисовки самолёта
        /// </summary>
        private float _startPosY;
        /// <summary>
        /// Ширина окна отрисовки
        /// </summary>
        private int? _pictureWidth = null;
        /// <summary>
        /// Высота окна отрисовки
        /// </summary>
        private int? _pictureHeight = null;
        /// <summary>
        /// Ширина отрисовки 
        /// </summary>
        private readonly int _airplaneWidth = 100;
        /// <summary>
        /// Высота отрисовки самолёта
        /// </summary>
        private readonly int _airplaneHeight = 10;
        /// <summary>
        /// Инициализация свойств
        /// </summary>
        /// <param name="speed">Скорость</param>
        /// <param name="weight">Вес</param>
        /// <param name="bodyColor">Цвет</param>
        public void Init(int speed, float weight, Color bodyColor)
        {
            Airplane = new EntityAirplane();
            Airplane.Init(speed, weight, bodyColor);
        }
        /// <summary>
        /// Установка позиции
        /// </summary>
        /// <param name="x">Координата X</param>
        /// <param name="y">Координата Y</param>
        /// <param name="width">Ширина картинки</param>
        /// <param name="height">Высота картинки</param>
        public void SetPosition(int x, int y, int width, int height)
        {
            _startPosX = x;
            _startPosY = y;
            _pictureWidth = width;
            _pictureHeight = height;

            if (x < 0 || y < 0 || width <= _airplaneWidth || height <= _airplaneHeight || x + _airplaneWidth > width || y + _airplaneHeight > height)
            {
                _pictureHeight = null;
                _pictureWidth = null;
            }
        }
        /// <summary>
        /// Изменение направления перемещения
        /// </summary>
        /// <param name="direction">Направление</param>
        public void MoveTransport(Direction direction)
        {
            if (!_pictureWidth.HasValue || !_pictureHeight.HasValue)
            {
                return;
            }
            switch (direction)
            {
                // вправо
                case Direction.Right:
                    if (_startPosX + _airplaneWidth + Airplane.Step < _pictureWidth)
                    {
                        _startPosX += Airplane.Step;
                    }
                    break;
                //влево
                case Direction.Left:
                    if (_startPosX - Airplane.Step > 0)
                    {
                        _startPosX -= Airplane.Step;
                    }
                    break;
                //вверх
                case Direction.Up:
                    if (_startPosY - Airplane.Step > 0)
                    {
                        _startPosY -= Airplane.Step;
                    }
                    break;
                //вниз
                case Direction.Down:
                    if (_startPosY + _airplaneHeight + Airplane.Step < _pictureHeight)
                    {
                        _startPosY += Airplane.Step;
                    }
                    break;
            }
        }
        /// <summary>
        /// Отрисовка самолёта
        /// </summary>
        /// <param name="g"></param>
        public void DrawTransport(Graphics g)
        {
            if (_startPosX < 0 || _startPosY < 0
            || !_pictureHeight.HasValue || !_pictureWidth.HasValue)
            {
                return;
            }
            Pen pen = new(Color.Black);
            Brush brush = new SolidBrush(Airplane.BodyColor);
            //корпус
            g.DrawRectangle(pen, _startPosX, _startPosY + _airplaneHeight-7,
                _airplaneWidth-5, _airplaneHeight);

            //нос
            PointF[] point = new PointF[3];
            point[0] = new PointF(_startPosX + _airplaneWidth-5, _startPosY + _airplaneHeight / 3);
            point[1] = new PointF(_startPosX + _airplaneWidth+10 , _startPosY + _airplaneHeight-3);
            point[2] = new PointF(_startPosX + _airplaneWidth-5, _startPosY + _airplaneHeight + (_airplaneHeight / 3));
            g.FillPolygon(brush, point);


            //хвост
            point = new PointF[3];
            point[0] = new PointF(_startPosX, _startPosY-10);
            point[1] = new PointF(_startPosX, _startPosY + _airplaneHeight / 3);
            point[2] = new PointF(_startPosX + 15, _startPosY + _airplaneHeight / 3);
            g.FillPolygon(brush, point);

            //крылья
            g.DrawLine(pen, _startPosX + 20, _startPosY + _airplaneHeight - 3, _startPosX + 60, _startPosY + _airplaneHeight - 3);
            g.DrawLine(pen, _startPosX + 20, _startPosY + _airplaneHeight - 2, _startPosX + 60, _startPosY + _airplaneHeight - 2);

            g.DrawLine(pen, _startPosX-1, _startPosY + _airplaneHeight / 3, _startPosX + 15, _startPosY + _airplaneHeight / 3);
            g.DrawLine(pen, _startPosX-1, _startPosY + _airplaneHeight / 3 + 1, _startPosX + 15, _startPosY + _airplaneHeight / 3 + 1);
            g.DrawLine(pen, _startPosX-1, _startPosY + _airplaneHeight / 3 + 2, _startPosX + 15, _startPosY + _airplaneHeight / 3 + 2);

            //колёса
            g.DrawRectangle(pen, _startPosX + 20, _startPosY + _airplaneHeight + (_airplaneHeight / 3), 2, 2);
            g.DrawRectangle(pen, _startPosX + 24, _startPosY + _airplaneHeight + (_airplaneHeight / 3), 2, 2);
            g.DrawRectangle(pen, _startPosX + _airplaneWidth-20, _startPosY + _airplaneHeight + (_airplaneHeight / 3), 2, 2);

        }
        /// <summary>
        /// Смена границ формы отрисовки
        /// </summary>
        /// <param name="width">Ширина картинки</param>
        /// <param name="height">Высота картинки</param>
        public void ChangeBorders(int width, int height)
        {
            _pictureWidth = width;
            _pictureHeight = height;
            if (_pictureWidth <= _airplaneWidth || _pictureHeight <= _airplaneHeight)
            {
                _pictureWidth = null;
                _pictureHeight = null;
                return;
            }
            if (_startPosX + _airplaneWidth > _pictureWidth)
            {
                _startPosX = _pictureWidth.Value - _airplaneWidth;
            }
            if (_startPosY + _airplaneHeight > _pictureHeight)
            {
                _startPosY = _pictureHeight.Value - _airplaneHeight;
            }
        }
    }

}