diff --git a/MotorBoat/MotorBoat/Drawnings/DirectionType.cs b/MotorBoat/MotorBoat/Drawnings/DirectionType.cs
index 7a584f2..30bcde3 100644
--- a/MotorBoat/MotorBoat/Drawnings/DirectionType.cs
+++ b/MotorBoat/MotorBoat/Drawnings/DirectionType.cs
@@ -6,6 +6,10 @@
///
public enum DirectionType
{
+ ///
+ /// Неизвестное направление
+ ///
+ Unknow = -1,
///
/// Вверх
///
diff --git a/MotorBoat/MotorBoat/Drawnings/DrawningBoat.cs b/MotorBoat/MotorBoat/Drawnings/DrawningBoat.cs
index f25e29b..ec1a9a8 100644
--- a/MotorBoat/MotorBoat/Drawnings/DrawningBoat.cs
+++ b/MotorBoat/MotorBoat/Drawnings/DrawningBoat.cs
@@ -38,6 +38,22 @@ namespace MotorBoat.Drawnings
///
private readonly int _drawningBoatHeight = 38;
///
+ /// Координата Х объекта
+ ///
+ public int? GetPosX => _startPosX;
+ ///
+ /// Координата Y объекта
+ ///
+ public int? GetPosY => _startPosY;
+ ///
+ /// Ширина объекта
+ ///
+ public int GetWidth => _drawningBoatWidth;
+ ///
+ /// Высота объекта
+ ///
+ public int GetHeight => _drawningBoatHeight;
+ ///
/// Пустой конструктор
///
private DrawningBoat()
diff --git a/MotorBoat/MotorBoat/FormMotorBoat.Designer.cs b/MotorBoat/MotorBoat/FormMotorBoat.Designer.cs
index ff05731..961978e 100644
--- a/MotorBoat/MotorBoat/FormMotorBoat.Designer.cs
+++ b/MotorBoat/MotorBoat/FormMotorBoat.Designer.cs
@@ -35,6 +35,8 @@
buttonRight = new Button();
buttonUp = new Button();
buttonCreateBoat = new Button();
+ comboBoxStrategy = new ComboBox();
+ buttonStrategyStep = new Button();
((System.ComponentModel.ISupportInitialize)pictureBoxMotorBoat).BeginInit();
SuspendLayout();
//
@@ -117,11 +119,33 @@
buttonCreateBoat.UseVisualStyleBackColor = true;
buttonCreateBoat.Click += ButtonCreateBoat_Click;
//
+ // comboBoxStrategy
+ //
+ comboBoxStrategy.DropDownStyle = ComboBoxStyle.DropDownList;
+ comboBoxStrategy.FormattingEnabled = true;
+ comboBoxStrategy.Items.AddRange(new object[] { "К центру", "К краю" });
+ comboBoxStrategy.Location = new Point(724, 12);
+ comboBoxStrategy.Name = "comboBoxStrategy";
+ comboBoxStrategy.Size = new Size(121, 23);
+ comboBoxStrategy.TabIndex = 7;
+ //
+ // buttonStrategyStep
+ //
+ buttonStrategyStep.Location = new Point(774, 41);
+ buttonStrategyStep.Name = "buttonStrategyStep";
+ buttonStrategyStep.Size = new Size(75, 23);
+ buttonStrategyStep.TabIndex = 8;
+ buttonStrategyStep.Text = "Шаг";
+ buttonStrategyStep.UseVisualStyleBackColor = true;
+ buttonStrategyStep.Click += buttonStrategyStep_Click;
+ //
// FormMotorBoat
//
AutoScaleDimensions = new SizeF(7F, 15F);
AutoScaleMode = AutoScaleMode.Font;
ClientSize = new Size(861, 447);
+ Controls.Add(buttonStrategyStep);
+ Controls.Add(comboBoxStrategy);
Controls.Add(buttonCreateBoat);
Controls.Add(buttonUp);
Controls.Add(buttonRight);
@@ -144,5 +168,7 @@
private Button buttonRight;
private Button buttonUp;
private Button buttonCreateBoat;
+ private ComboBox comboBoxStrategy;
+ private Button buttonStrategyStep;
}
}
\ No newline at end of file
diff --git a/MotorBoat/MotorBoat/FormMotorBoat.cs b/MotorBoat/MotorBoat/FormMotorBoat.cs
index 8c83651..8cf446e 100644
--- a/MotorBoat/MotorBoat/FormMotorBoat.cs
+++ b/MotorBoat/MotorBoat/FormMotorBoat.cs
@@ -8,18 +8,30 @@ using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using MotorBoat.Drawnings;
+using MotorBoat.MovementStrategy;
namespace MotorBoat
{
+ ///
+ /// Форма работы с объектом "Моторная лодка"
+ ///
public partial class FormMotorBoat : Form
{
+ ///
+ /// Поле для прорисовки объекта
+ ///
private DrawningBoat? _drawningBoat;
///
+ /// Стратегия перемещения
+ ///
+ private AbstractStrategy? _strategy;
+ ///
/// Конструктор формы
///
public FormMotorBoat()
{
InitializeComponent();
+ _strategy = null;
}
///
/// Метод прорисовки катера
@@ -56,6 +68,8 @@ namespace MotorBoat
}
_drawningBoat.SetPictureSize(pictureBoxMotorBoat.Width, pictureBoxMotorBoat.Height);
_drawningBoat.SetPosition(random.Next(10, 100), random.Next(10, 100));
+ _strategy = null;
+ comboBoxStrategy.Enabled = true;
Draw();
}
///
@@ -107,5 +121,46 @@ namespace MotorBoat
Draw();
}
}
+
+ ///
+ ///
+ ///
+ ///
+ ///
+ private void buttonStrategyStep_Click(object sender, EventArgs e)
+ {
+ if (_drawningBoat == null)
+ {
+ return;
+ }
+ if (comboBoxStrategy.Enabled)
+ {
+ _strategy = comboBoxStrategy.SelectedIndex switch
+ {
+ 0 => new MoveToCenter(),
+ 1 => new MoveToBorder(),
+ _ => null,
+ };
+ if (_strategy == null)
+ {
+ return;
+ }
+ _strategy.SetData(new MoveableBoat(_drawningBoat),
+ pictureBoxMotorBoat.Width, pictureBoxMotorBoat.Height);
+ }
+ if (_strategy == null)
+ {
+ return;
+ }
+ comboBoxStrategy.Enabled = false;
+ _strategy.MakeStep();
+ Draw();
+ if (_strategy.GetStatus() == StrategyStatus.Finish)
+ {
+ comboBoxStrategy.Enabled = true;
+ _strategy = null;
+ }
+ }
+
}
}
diff --git a/MotorBoat/MotorBoat/MovementStrategy/AbstractStrategy.cs b/MotorBoat/MotorBoat/MovementStrategy/AbstractStrategy.cs
new file mode 100644
index 0000000..934d404
--- /dev/null
+++ b/MotorBoat/MotorBoat/MovementStrategy/AbstractStrategy.cs
@@ -0,0 +1,119 @@
+namespace MotorBoat.MovementStrategy;
+///
+/// Класс-стратегия перемещения объекта
+///
+public abstract class AbstractStrategy
+{
+ ///
+ /// Перемещаемый объект
+ ///
+ private IMoveableObject? _moveableObject;
+ ///
+ /// Статус перемещения
+ ///
+ private StrategyStatus _state = StrategyStatus.NotInit;
+ ///
+ /// Ширина поля
+ ///
+ protected int FieldWidth { get; private set; }
+ ///
+ /// Высота поля
+ ///
+ protected int FieldHeight { get; private set; }
+ ///
+ /// Статус перемещения
+ ///
+ public StrategyStatus GetStatus() { return _state; }
+ ///
+ /// Установка данных
+ ///
+ /// Перемещаемый объект
+ /// Ширина поля
+ /// Высота поля
+ public void SetData(IMoveableObject moveableObject, int width, int height)
+ {
+ if (moveableObject == null)
+ {
+ _state = StrategyStatus.NotInit;
+ return;
+ }
+ _state = StrategyStatus.InProgress;
+ _moveableObject = moveableObject;
+ FieldWidth = width;
+ FieldHeight = height;
+ }
+ ///
+ /// Шаг перемещения
+ ///
+ public void MakeStep()
+ {
+ if (_state != StrategyStatus.InProgress)
+ {
+ return;
+ }
+ if (IsTargetDestinaion())
+ {
+ _state = StrategyStatus.Finish;
+ return;
+ }
+ MoveToTarget();
+ }
+ ///
+ /// Перемещение влево
+ ///
+ /// Результат перемещения (true - удалось переместиться, false - неудача)
+ protected bool MoveLeft() => MoveTo(MovementDirection.Left);
+ ///
+ /// Перемещение вправо
+ ///
+ /// Результат перемещения (true - удалось переместиться, false - неудача)
+ protected bool MoveRight() => MoveTo(MovementDirection.Right);
+ ///
+ /// Перемещение вверх
+ ///
+ /// Результат перемещения (true - удалось переместиться, false - неудача)
+ protected bool MoveUp() => MoveTo(MovementDirection.Up);
+ ///
+ /// Перемещение вниз
+ ///
+ /// Результат перемещения (true - удалось переместиться, false - неудача)
+ protected bool MoveDown() => MoveTo(MovementDirection.Down);
+ ///
+ /// Параметры объекта
+ ///
+ protected ObjectParameters? GetObjectParameters => _moveableObject?.GetObjectPosition;
+ ///
+ /// Шаг объекта
+ ///
+ ///
+ protected int? GetStep()
+ {
+ if (_state != StrategyStatus.InProgress)
+ {
+ return null;
+ }
+ return _moveableObject?.GetStep;
+ }
+ ///
+ /// Перемещение к цели
+ ///
+ protected abstract void MoveToTarget();
+ ///
+ /// Достигнута ли цель
+ ///
+ ///
+ protected abstract bool IsTargetDestinaion();
+ ///
+ /// Попытка перемещения в требуемом направлении
+ ///
+ /// Направление
+ /// Результат попытки (true - удалось переместиться, false - неудача)
+ private bool MoveTo(MovementDirection movementDirection)
+ {
+ if (_state != StrategyStatus.InProgress)
+ {
+ return false;
+ }
+ return _moveableObject?.TryMoveObject(movementDirection) ?? false;
+ }
+}
\ No newline at end of file
diff --git a/MotorBoat/MotorBoat/MovementStrategy/IMoveableObject.cs b/MotorBoat/MotorBoat/MovementStrategy/IMoveableObject.cs
new file mode 100644
index 0000000..f16a3c5
--- /dev/null
+++ b/MotorBoat/MotorBoat/MovementStrategy/IMoveableObject.cs
@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MotorBoat.MovementStrategy;
+///
+/// Интерфейс для работы с перемещаемым объектом
+///
+public interface IMoveableObject
+{
+ ///
+ /// Получение координаты объекта
+ ///
+ ObjectParameters? GetObjectPosition { get; }
+ ///
+ /// Шаг объекта
+ ///
+ int GetStep { get; }
+ ///
+ /// Попытка переместить объект в указанном направлении
+ ///
+ /// Направление
+ /// true - объект перемещен, false - перемещение невозможно
+ bool TryMoveObject(MovementDirection direction);
+}
diff --git a/MotorBoat/MotorBoat/MovementStrategy/MoveToBorder.cs b/MotorBoat/MotorBoat/MovementStrategy/MoveToBorder.cs
new file mode 100644
index 0000000..c59364e
--- /dev/null
+++ b/MotorBoat/MotorBoat/MovementStrategy/MoveToBorder.cs
@@ -0,0 +1,44 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MotorBoat.MovementStrategy;
+///
+/// Стратегия перемещения объекта к краю экрана
+///
+public class MoveToBorder : AbstractStrategy
+{
+ protected override bool IsTargetDestinaion()
+ {
+ ObjectParameters? objParams = GetObjectParameters;
+ if (objParams == null)
+ {
+ return false;
+ }
+ return objParams.RightBorder + GetStep() >= FieldWidth &&
+ objParams.DownBorder + GetStep() >= FieldHeight;
+ }
+
+ protected override void MoveToTarget()
+ {
+ ObjectParameters? objParams = GetObjectParameters;
+ if (objParams == null)
+ {
+ return;
+ }
+
+ int diffX = objParams.RightBorder - FieldWidth;
+ if (Math.Abs(diffX) > GetStep())
+ {
+ MoveRight();
+ }
+
+ int diffY = objParams.DownBorder - FieldHeight;
+ if (Math.Abs(diffY) > GetStep())
+ {
+ MoveDown();
+ }
+ }
+}
diff --git a/MotorBoat/MotorBoat/MovementStrategy/MoveToCenter.cs b/MotorBoat/MotorBoat/MovementStrategy/MoveToCenter.cs
new file mode 100644
index 0000000..5f02253
--- /dev/null
+++ b/MotorBoat/MotorBoat/MovementStrategy/MoveToCenter.cs
@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MotorBoat.MovementStrategy;
+///
+/// Стратегия перемещения объекта в центр экрана
+///
+public class MoveToCenter : AbstractStrategy
+{
+ protected override bool IsTargetDestinaion()
+ {
+ ObjectParameters? objParams = GetObjectParameters;
+ if (objParams == null)
+ {
+ return false;
+ }
+ return objParams.ObjectMiddleHorizontal - GetStep() <= FieldWidth / 2
+ && objParams.ObjectMiddleHorizontal + GetStep() >= FieldWidth / 2 &&
+ objParams.ObjectMiddleVertical - GetStep() <= FieldHeight / 2
+ && objParams.ObjectMiddleVertical + GetStep() >= FieldHeight / 2;
+ }
+ protected override void MoveToTarget()
+ {
+ ObjectParameters? objParams = GetObjectParameters;
+ if (objParams == null)
+ {
+ return;
+ }
+ int diffX = objParams.ObjectMiddleHorizontal - FieldWidth / 2;
+ if (Math.Abs(diffX) > GetStep())
+ {
+ if (diffX > 0)
+ {
+ MoveLeft();
+ }
+ else
+ {
+ MoveRight();
+ }
+ }
+ int diffY = objParams.ObjectMiddleVertical - FieldHeight / 2;
+ if (Math.Abs(diffY) > GetStep())
+ {
+ if (diffY > 0)
+ {
+ MoveUp();
+ }
+ else
+ {
+ MoveDown();
+ }
+ }
+ }
+}
\ No newline at end of file
diff --git a/MotorBoat/MotorBoat/MovementStrategy/MoveableBoat.cs b/MotorBoat/MotorBoat/MovementStrategy/MoveableBoat.cs
new file mode 100644
index 0000000..3bddf7c
--- /dev/null
+++ b/MotorBoat/MotorBoat/MovementStrategy/MoveableBoat.cs
@@ -0,0 +1,59 @@
+using MotorBoat.Drawnings;
+
+namespace MotorBoat.MovementStrategy;
+///
+/// Класс-реализация IMoveableObject с использованием DrawningBoat
+///
+public class MoveableBoat : IMoveableObject
+{
+ ///
+ /// Поле-объект класса DrawningBoat или его наследника
+ ///
+ private readonly DrawningBoat? _boat = null;
+ ///
+ /// Конструктор
+ ///
+ /// Объект класса DrawningBoat
+ public MoveableBoat(DrawningBoat boat)
+ {
+ _boat = boat;
+ }
+ public ObjectParameters? GetObjectPosition
+ {
+ get
+ {
+ if (_boat == null || _boat.EntityBoat == null ||
+ !_boat.GetPosX.HasValue || !_boat.GetPosY.HasValue)
+ {
+ return null;
+ }
+ return new ObjectParameters(_boat.GetPosX.Value,
+ _boat.GetPosY.Value, _boat.GetWidth, _boat.GetHeight);
+ }
+ }
+ public int GetStep => (int)(_boat?.EntityBoat?.Step ?? 0);
+ public bool TryMoveObject(MovementDirection direction)
+ {
+ if (_boat == null || _boat.EntityBoat == null)
+ {
+ return false;
+ }
+ return _boat.MoveTransport(GetDirectionType(direction));
+ }
+ ///
+ /// Конвертация из MovementDirection в DirectionType
+ ///
+ /// MovementDirection
+ /// DirectionType
+ private static DirectionType GetDirectionType(MovementDirection direction)
+ {
+ return direction switch
+ {
+ MovementDirection.Left => DirectionType.Left,
+ MovementDirection.Right => DirectionType.Right,
+ MovementDirection.Up => DirectionType.Up,
+ MovementDirection.Down => DirectionType.Down,
+ _ => DirectionType.Unknow,
+ };
+ }
+}
diff --git a/MotorBoat/MotorBoat/MovementStrategy/MovementDirection.cs b/MotorBoat/MotorBoat/MovementStrategy/MovementDirection.cs
new file mode 100644
index 0000000..315da02
--- /dev/null
+++ b/MotorBoat/MotorBoat/MovementStrategy/MovementDirection.cs
@@ -0,0 +1,24 @@
+namespace MotorBoat.MovementStrategy;
+
+///
+/// Направление перемещения
+///
+public enum MovementDirection
+{
+ ///
+ /// Вверх
+ ///
+ Up = 1,
+ ///
+ /// Вниз
+ ///
+ Down = 2,
+ ///
+ /// Влево
+ ///
+ Left = 3,
+ ///
+ /// Вправо
+ ///
+ Right = 4
+}
diff --git a/MotorBoat/MotorBoat/MovementStrategy/ObjectParameters.cs b/MotorBoat/MotorBoat/MovementStrategy/ObjectParameters.cs
new file mode 100644
index 0000000..be6318d
--- /dev/null
+++ b/MotorBoat/MotorBoat/MovementStrategy/ObjectParameters.cs
@@ -0,0 +1,62 @@
+namespace MotorBoat.MovementStrategy;
+
+///
+/// Параметры-координаты объекта
+///
+public class ObjectParameters
+{
+ ///
+ /// Координата X
+ ///
+ private readonly int _x;
+ ///
+ /// Координата Y
+ ///
+ private readonly int _y;
+ ///
+ /// Ширина объекта
+ ///
+ private readonly int _width;
+ ///
+ /// Высота объекта
+ ///
+ private readonly int _height;
+ ///
+ /// Левая граница
+ ///
+ public int LeftBorder => _x;
+ ///
+ /// Верхняя граница
+ ///
+ public int TopBorder => _y;
+ ///
+ /// Правая граница
+ ///
+ public int RightBorder => _x + _width;
+ ///
+ /// Нижняя граница
+ ///
+ public int DownBorder => _y + _height;
+ ///
+ /// Середина объекта
+ ///
+ public int ObjectMiddleHorizontal => _x + _width / 2;
+ ///
+ /// Середина объекта
+ ///
+ public int ObjectMiddleVertical => _y + _height / 2;
+ ///
+ /// Конструктор
+ ///
+ /// Координата X
+ /// Координата Y
+ /// Ширина объекта
+ /// Высота объекта
+ public ObjectParameters(int x, int y, int width, int height)
+ {
+ _x = x;
+ _y = y;
+ _width = width;
+ _height = height;
+ }
+}
\ No newline at end of file
diff --git a/MotorBoat/MotorBoat/MovementStrategy/StrategyStatus.cs b/MotorBoat/MotorBoat/MovementStrategy/StrategyStatus.cs
new file mode 100644
index 0000000..26d73b8
--- /dev/null
+++ b/MotorBoat/MotorBoat/MovementStrategy/StrategyStatus.cs
@@ -0,0 +1,19 @@
+namespace MotorBoat.MovementStrategy;
+///
+/// Статус выполнения операции перемещения
+///
+public enum StrategyStatus
+{
+ ///
+ /// Все готово к началу
+ ///
+ NotInit,
+ ///
+ /// Выполняется
+ ///
+ InProgress,
+ ///
+ /// Завершено
+ ///
+ Finish
+}