фиксик

src/DoubleDeckerBus/Canvas.java

@@ -0,0 +1,18 @@
+package DoubleDeckerBus;
+
+import javax.swing.*;
+import java.awt.*;
+import DoubleDeckerBus.DrawningObjects.*;
+
+public class Canvas extends JComponent {
+    public DrawningBus DrawningBus;
+    public void paintComponent (Graphics g){
+        if (DrawningBus == null){
+            return;
+        }
+        super.paintComponents (g) ;
+        Graphics2D g2d = (Graphics2D)g;
+        DrawningBus.DrawTransport(g2d);
+        super.repaint();
+    }
+}

src/DoubleDeckerBus/CollectionCanvas.java

@@ -0,0 +1,23 @@
+package DoubleDeckerBus;
+
+import DoubleDeckerBus.DrawningObjects.DrawningBus;
+import DoubleDeckerBus.Generics.TheBusesGenericCollection;
+import DoubleDeckerBus.MovementStrategy.DrawningObjectBus;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class CollectionCanvas extends JComponent {
+    public TheBusesGenericCollection<DrawningBus, DrawningObjectBus> _bus;
+
+    @Override
+    public void paintComponent (Graphics g){
+        if (_bus == null) {
+            return;
+        }
+        super.paintComponents(g);
+        Graphics2D g2d = (Graphics2D)g;
+        g2d.drawImage(_bus.ShowTheBuses(), 0, 0, this);
+        super.repaint();
+    }
+}

src/DoubleDeckerBus/DirectionType.java

@@ -0,0 +1,8 @@
+package DoubleDeckerBus;
+
+public enum DirectionType {
+    Up,
+    Down,
+    Left,
+    Right
+}

src/DoubleDeckerBus/DoorNumberType.java

@@ -0,0 +1,7 @@
+package DoubleDeckerBus;
+
+public enum DoorNumberType {
+    Three,
+    Four,
+    Five
+}

src/DoubleDeckerBus/DrawningObjects/DrawningBus.java

@@ -0,0 +1,186 @@
+package DoubleDeckerBus.DrawningObjects;
+
+import DoubleDeckerBus.DirectionType;
+import DoubleDeckerBus.Entities.EntityBus;
+import DoubleDeckerBus.MovementStrategy.*;
+
+import javax.swing.*;
+import java.awt.*;
+import java.util.Random;
+
+public class DrawningBus {
+    protected EntityBus EntityBus;
+    public int _pictureWidth;
+    public int _pictureHeight;
+    protected int _startPosX;
+    protected int _startPosY;
+    protected int _busWidth = 110;
+    protected int _busHeight = 70;
+    protected IDraw DrawningDoor;
+
+    public EntityBus EntityBus() {
+        return EntityBus;
+    }
+
+    public DrawningBus(int speed, double weight, Color bodyColor, int width, int height) {
+        if (width <= _busWidth || height <= _busHeight) {
+            return;
+        }
+
+        _startPosX = 0;
+        _startPosY = 0;
+        _pictureWidth = width;
+        _pictureHeight = height;
+        EntityBus = new EntityBus(speed, weight, bodyColor);
+        Random random = new Random();
+        int option = random.nextInt(1,4);
+        if (option == 1) {
+            DrawningDoor = new DrawningDoor(_busWidth, _busHeight, _startPosX, _startPosY);
+        } else if (option == 2) {
+            DrawningDoor = new DrawningDoorOval(_busWidth, _busHeight, _startPosX, _startPosY);
+        } else if (option == 3) {
+            DrawningDoor = new DrawningDoorTriangle(_busWidth, _busHeight, _startPosX, _startPosY);
+        }
+        DrawningDoor.ChangeDoorsNumber(random.nextInt(2, 6));
+    }
+
+    protected DrawningBus(int speed, double weight, Color bodyColor,
+                          int width, int height, int busWidth, int busHeight) {
+        if (width <= _busWidth || height <= _busHeight) {
+            return;
+        }
+
+        _startPosX = 0;
+        _startPosY = 0;
+        _pictureWidth = width;
+        _pictureHeight = height;
+        _busWidth = busWidth;
+        _busHeight = busHeight;
+        EntityBus = new EntityBus(speed, weight, bodyColor);
+        Random random = new Random();
+        int option = random.nextInt(1,4);
+        if (option == 1) {
+            DrawningDoor = new DrawningDoor(_busWidth, _busHeight, _startPosX, _startPosY);
+        } else if (option == 2) {
+            DrawningDoor = new DrawningDoorOval(_busWidth, _busHeight, _startPosX, _startPosY);
+        } else if (option == 3) {
+            DrawningDoor = new DrawningDoorTriangle(_busWidth, _busHeight, _startPosX, _startPosY);
+        }
+        DrawningDoor.ChangeDoorsNumber(random.nextInt(2, 6));
+    }
+
+    public void SetPosition(int x, int y){
+        if (EntityBus == null) {
+            return;
+        }
+
+        _startPosX = x;
+        _startPosY = y;
+        DrawningDoor.ChangeX(_startPosX);
+        DrawningDoor.ChangeY(_startPosY);
+
+        if (x + _busWidth >= _pictureWidth || y + _busHeight >= _pictureHeight || x < 0 || y < 0) {
+            _startPosX = 0;
+            _startPosY = 0;
+        }
+    }
+
+    public int GetPosX() {
+        return _startPosX;
+    }
+
+    public int GetPosY() {
+        return _startPosY;
+    }
+
+    public int GetWidth() {
+        return _busWidth;
+    }
+
+    public int GetHeight() {
+        return _busHeight;
+    }
+
+    public IMoveableObject GetMoveableObject(){
+        return new DrawningObjectBus(this);
+    }
+
+    public boolean CanMove(DirectionType direction)
+    {
+        if (EntityBus == null)
+            return false;
+        boolean can = false;
+        switch (direction)
+        {
+            case Left:
+                can = _startPosX - EntityBus.Step() >= 0;
+                break;
+            case Right:
+                can = _startPosX + EntityBus.Step() + _busWidth < _pictureWidth;
+                break;
+            case Down:
+                can = _startPosY + EntityBus.Step() + _busHeight < _pictureHeight;
+                break;
+            case Up:
+                can = _startPosY - EntityBus.Step() >= 0;
+                break;
+        };
+        return can;
+    }
+
+    public void MoveTransport(DirectionType direction){
+        if (!CanMove(direction) || EntityBus == null) {
+            return;
+        }
+        switch (direction)
+        {
+            case Left:
+                if (_startPosX - EntityBus.Step() >= 0) {
+                    _startPosX -= (int) EntityBus.Step();
+                }
+                break;
+            case Up:
+                if (_startPosY - EntityBus.Step() >= 0) {
+                    _startPosY -= (int) EntityBus.Step();
+                }
+                break;
+            case Right:
+                if (_startPosX + EntityBus.Step() + _busWidth <=  _pictureWidth) {
+                    _startPosX += (int) EntityBus.Step();
+                }
+                break;
+            case Down:
+                if (_startPosY + EntityBus.Step() + _busHeight <= _pictureHeight) {
+                    _startPosY += (int) EntityBus.Step();
+                }
+                break;
+        }
+        DrawningDoor.ChangeX(_startPosX);
+        DrawningDoor.ChangeY(_startPosY);
+    }
+
+    public void DrawTransport(Graphics2D g2d) {
+        if (EntityBus == null) {
+            return;
+        }
+
+        // Границы первого этажа автобуса
+        g2d.setColor(EntityBus.BodyColor());
+        g2d.fillRect(_startPosX, _startPosY + 30, 100, 30);
+
+        // Колеса
+        g2d.setColor(Color.black);
+        g2d.fillOval(_startPosX + 7, _startPosY + 55, 10, 10);
+        g2d.fillOval(_startPosX + 77, _startPosY + 55, 10, 10);
+
+        // Окна
+        g2d.setColor(Color.blue);
+        g2d.fillOval(_startPosX + 10, _startPosY + 35, 10, 15);
+        g2d.fillOval(_startPosX + 50, _startPosY + 35, 10, 15);
+        g2d.fillOval(_startPosX + 70, _startPosY + 35, 10, 15);
+        g2d.fillOval(_startPosX + 90, _startPosY + 35, 10, 15);
+
+        // двери
+        DrawningDoor.DrawDoors(g2d);
+    }
+}

src/DoubleDeckerBus/DrawningObjects/DrawningDoor.java

@@ -0,0 +1,68 @@
+package DoubleDeckerBus.DrawningObjects;
+
+import DoubleDeckerBus.DoorNumberType;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class DrawningDoor implements IDraw {
+    private DoorNumberType DoorNumberType;
+    private Color blackColor;
+    private int Width;
+    private int Height;
+    public int CurX;
+    public int CurY;
+
+    public DrawningDoor(int width, int height, int curX, int curY) {
+        Width = width;
+        Height = height;
+        CurX = curX;
+        CurY = curY;
+        blackColor = Color.BLACK;
+    }
+
+    public void ChangeX(int x){
+        CurX = x;
+    }
+    public void ChangeY(int y){
+        CurY = y;
+    }
+
+    public void ChangeDoorsNumber(int x) {
+        if (x <= 3) {
+            DoorNumberType = DoorNumberType.Three;
+        }
+        if (x == 4) {
+            DoorNumberType = DoorNumberType.Four;
+        }
+        if (x >= 5) {
+            DoorNumberType = DoorNumberType.Five;
+        }
+    }
+
+    public DoorNumberType DoorNumberType() {
+        return DoorNumberType;
+    }
+
+    public void DrawDoor(Graphics2D g2d, int x, int y){
+        g2d.fillRect(x, y, 10, 20);
+    }
+
+    public void DrawDoors(Graphics2D g2d) {
+        g2d.setColor(blackColor);
+        DrawDoor(g2d, CurX + 15, CurY + 40);
+        DrawDoor(g2d, CurX + 30, CurY + 40);
+
+        if (DoorNumberType() == DoorNumberType.Three || DoorNumberType() == DoorNumberType.Four || DoorNumberType() == DoorNumberType.Five) {
+            DrawDoor(g2d, CurX + 45, CurY + 40);
+        }
+
+        if (DoorNumberType() == DoorNumberType.Four || DoorNumberType() == DoorNumberType.Five) {
+            DrawDoor(g2d, CurX + 60, CurY + 40);
+        }
+
+        if (DoorNumberType() == DoorNumberType.Five) {
+            DrawDoor(g2d, CurX + 75, CurY + 40);
+        }
+    }
+}

src/DoubleDeckerBus/DrawningObjects/DrawningDoorOval.java

@@ -0,0 +1,68 @@
+package DoubleDeckerBus.DrawningObjects;
+
+import DoubleDeckerBus.DoorNumberType;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class DrawningDoorOval implements IDraw {
+    private DoorNumberType DoorNumberType;
+    private Color blackColor;
+    private int Width;
+    private int Height;
+    public int CurX;
+    public int CurY;
+
+    public DrawningDoorOval(int width, int height, int curX, int curY) {
+        Width = width;
+        Height = height;
+        CurX = curX;
+        CurY = curY;
+        blackColor = Color.BLACK;
+    }
+
+    public void ChangeX(int x){
+        CurX = x;
+    }
+    public void ChangeY(int y){
+        CurY = y;
+    }
+
+    public void ChangeDoorsNumber(int x) {
+        if (x <= 3) {
+            DoorNumberType = DoorNumberType.Three;
+        }
+        if (x == 4) {
+            DoorNumberType = DoorNumberType.Four;
+        }
+        if (x >= 5) {
+            DoorNumberType = DoorNumberType.Five;
+        }
+    }
+
+    public DoorNumberType DoorNumberType() {
+        return DoorNumberType;
+    }
+
+    public void DrawDoor(Graphics2D g2d, int x, int y){
+        g2d.fillOval(x, y, 10, 20);
+    }
+
+    public void DrawDoors(Graphics2D g2d) {
+        g2d.setColor(blackColor);
+        DrawDoor(g2d, CurX + 15, CurY + 40);
+        DrawDoor(g2d, CurX + 30, CurY + 40);
+
+        if (DoorNumberType() == DoorNumberType.Three || DoorNumberType() == DoorNumberType.Four || DoorNumberType() == DoorNumberType.Five) {
+            DrawDoor(g2d, CurX + 45, CurY + 40);
+        }
+
+        if (DoorNumberType() == DoorNumberType.Four || DoorNumberType() == DoorNumberType.Five) {
+            DrawDoor(g2d, CurX + 60, CurY + 40);
+        }
+
+        if (DoorNumberType() == DoorNumberType.Five) {
+            DrawDoor(g2d, CurX + 75, CurY + 40);
+        }
+    }
+}

src/DoubleDeckerBus/DrawningObjects/DrawningDoorTriangle.java

@@ -0,0 +1,70 @@
+package DoubleDeckerBus.DrawningObjects;
+
+import DoubleDeckerBus.DoorNumberType;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class DrawningDoorTriangle implements IDraw {
+    private DoubleDeckerBus.DoorNumberType DoorNumberType;
+    private Color blackColor;
+    private int Width;
+    private int Height;
+    public int CurX;
+    public int CurY;
+
+    public DrawningDoorTriangle(int width, int height, int curX, int curY) {
+        Width = width;
+        Height = height;
+        CurX = curX;
+        CurY = curY;
+        blackColor = Color.BLACK;
+    }
+
+    public void ChangeX(int x){
+        CurX = x;
+    }
+    public void ChangeY(int y){
+        CurY = y;
+    }
+
+    public void ChangeDoorsNumber(int x) {
+        if (x <= 3) {
+            DoorNumberType = DoorNumberType.Three;
+        }
+        if (x == 4) {
+            DoorNumberType = DoorNumberType.Four;
+        }
+        if (x >= 5) {
+            DoorNumberType = DoorNumberType.Five;
+        }
+    }
+
+    public DoorNumberType DoorNumberType() {
+        return DoorNumberType;
+    }
+
+    public void DrawDoor(Graphics2D g2d, int x, int y){
+        int[] xPoints = {x, x + 5, x + 10};
+        int[] yPoints = {y + 20, y, y + 20};
+        g2d.fillPolygon(xPoints, yPoints, 3);
+    }
+
+    public void DrawDoors(Graphics2D g2d) {
+        g2d.setColor(blackColor);
+        DrawDoor(g2d, CurX + 15, CurY + 40);
+        DrawDoor(g2d, CurX + 30, CurY + 40);
+
+        if (DoorNumberType() == DoorNumberType.Three || DoorNumberType() == DoorNumberType.Four || DoorNumberType() == DoorNumberType.Five) {
+            DrawDoor(g2d, CurX + 45, CurY + 40);
+        }
+
+        if (DoorNumberType() == DoorNumberType.Four || DoorNumberType() == DoorNumberType.Five) {
+            DrawDoor(g2d, CurX + 60, CurY + 40);
+        }
+
+        if (DoorNumberType() == DoorNumberType.Five) {
+            DrawDoor(g2d, CurX + 75, CurY + 40);
+        }
+    }
+}

src/DoubleDeckerBus/DrawningObjects/DrawningDoubleDeckerBus.java

@@ -0,0 +1,69 @@
+package DoubleDeckerBus.DrawningObjects;
+
+import DoubleDeckerBus.Entities.EntityDoubleDeckerBus;
+
+import java.awt.*;
+
+public class DrawningDoubleDeckerBus extends DrawningBus {
+
+    public DrawningDoubleDeckerBus(int speed, double weight, Color bodyColor, Color additionalColor, int doorNumber,
+                                   int width, int height, boolean secondFloor, boolean ladder, boolean lineBetweenFloor) {
+        super(speed, weight, bodyColor, width, height);
+        if (EntityBus != null) {
+            EntityBus = new EntityDoubleDeckerBus(speed, weight, bodyColor, additionalColor, doorNumber, secondFloor,
+                    ladder, lineBetweenFloor);
+        }
+    }
+
+    @Override
+    public void DrawTransport(Graphics2D g2d) {
+
+        if (!(EntityBus instanceof EntityDoubleDeckerBus)) {
+            return;
+        }
+
+        super.DrawTransport(g2d);
+
+        EntityDoubleDeckerBus _bus = (EntityDoubleDeckerBus) EntityBus;
+
+        // второй этаж
+        if (_bus.SecondFloor())
+        {
+            g2d.setColor(_bus.BodyColor());
+            // Границы второго этажа автобуса
+            g2d.setColor(_bus.AdditionalColor());
+            g2d.fillRect(_startPosX, _startPosY, 100, 30);
+
+            // Окна второго этажа
+            g2d.setColor(Color.BLUE);
+            g2d.fillOval(_startPosX + 12, _startPosY + 5, 10, 15);
+            g2d.fillOval(_startPosX + 30, _startPosY + 5, 10, 15);
+            g2d.fillOval(_startPosX + 50, _startPosY + 5, 10, 15);
+            g2d.fillOval(_startPosX + 70, _startPosY + 5, 10, 15);
+            g2d.fillOval(_startPosX + 90, _startPosY + 5, 10, 15);
+        }
+
+        // лестница
+        if (_bus.Ladder())
+        {
+            if (_bus.SecondFloor()) {
+                //Вертикальные прямые
+                g2d.setColor(Color.black);
+                g2d.drawLine(_startPosX, _startPosY + 55, _startPosX, _startPosY + 25);
+                g2d.drawLine(_startPosX + 10, _startPosY + 55, _startPosX + 10, _startPosY + 25);
+
+                //Горизонтальные прямые
+                g2d.drawLine(_startPosX, _startPosY + 35, _startPosX + 10, _startPosY + 35);
+                g2d.drawLine(_startPosX, _startPosY + 45, _startPosX + 10, _startPosY + 45);
+                g2d.drawLine(_startPosX, _startPosY + 55, _startPosX + 10, _startPosY + 55);
+            }
+        }
+
+        // полоса между этажами
+        if (_bus.LineBetweenFloor())
+        {
+            g2d.setColor(Color.black);
+            g2d.fillRect(_startPosX, _startPosY + 30, 100, 3);
+        }
+    }
+}

src/DoubleDeckerBus/DrawningObjects/IDraw.java

@@ -0,0 +1,14 @@
+package DoubleDeckerBus.DrawningObjects;
+
+import DoubleDeckerBus.DoorNumberType;
+
+import java.awt.*;
+
+public interface IDraw {
+    public void ChangeDoorsNumber(int x);
+    public DoorNumberType DoorNumberType();
+    public void DrawDoor(Graphics2D g2d, int x, int y);
+    public void DrawDoors(Graphics2D g2d);
+    public void ChangeX(int x);
+    public void ChangeY(int y);
+}

src/DoubleDeckerBus/Entities/EntityBus.java

@@ -0,0 +1,33 @@
+package DoubleDeckerBus.Entities;
+
+import java.awt.*;
+
+public class EntityBus {
+    public int Speed;
+    public double Weight;
+    public Color BodyColor;
+    public double Step;
+
+    public int Speed() {
+        return Speed;
+    }
+
+    public double Weight() {
+        return Weight;
+    }
+
+    public Color BodyColor() {
+        return BodyColor;
+    }
+
+    public double Step() {
+        return Step;
+    }
+
+    public EntityBus(int speed, double weight, Color bodyColor) {
+        Speed = speed;
+        Weight = weight;
+        Step = (double) Speed * 100 / Weight;
+        BodyColor = bodyColor;
+    }
+}

src/DoubleDeckerBus/Entities/EntityDoubleDeckerBus.java

@@ -0,0 +1,39 @@
+package DoubleDeckerBus.Entities;
+
+import java.awt.*;
+
+public class EntityDoubleDeckerBus extends EntityBus {
+    public Color AdditionalColor;
+    public boolean SecondFloor;
+    public boolean Ladder;
+    public boolean LineBetweenFloor;
+
+    public Color AdditionalColor() {
+        return AdditionalColor;
+    }
+
+    public boolean SecondFloor() {
+        return SecondFloor;
+    }
+
+    public boolean Ladder() {
+        return Ladder;
+    }
+
+    public boolean LineBetweenFloor() {
+        return LineBetweenFloor;
+    }
+
+    public double Step() {
+        return Step;
+    }
+
+    public EntityDoubleDeckerBus(int speed, double weight, Color bodyColor, Color additionalColor,
+                                 int doorNumber, boolean secondFloor ,boolean ladder, boolean lineBetweenFloor) {
+        super(speed, weight, bodyColor);
+        AdditionalColor = additionalColor;
+        SecondFloor = secondFloor;
+        Ladder = ladder;
+        LineBetweenFloor = lineBetweenFloor;
+    }
+}

src/DoubleDeckerBus/FormBusCollection.java

@@ -0,0 +1,109 @@
+package DoubleDeckerBus;
+
+import DoubleDeckerBus.DrawningObjects.DrawningBus;
+import DoubleDeckerBus.Generics.TheBusesGenericCollection;
+import DoubleDeckerBus.MovementStrategy.DrawningObjectBus;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.*;
+
+public class FormBusCollection {
+    private final TheBusesGenericCollection<DrawningBus, DrawningObjectBus> _bus;
+    private int pictureBoxWidth = 605;
+    private int pictureBoxHeight = 426;
+
+    CollectionCanvas canvas;
+
+    public void Draw() {
+        if (canvas == null) {
+            return;
+        }
+        canvas.repaint();
+    }
+
+    public FormBusCollection() {
+        _bus = new TheBusesGenericCollection<>(pictureBoxWidth, pictureBoxHeight);
+        canvas = new CollectionCanvas();
+        JPanel toolBox = new JPanel();
+        JFrame collectionFrame = new JFrame();
+        collectionFrame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
+        collectionFrame.setSize(880,497);
+        toolBox.setBounds(623, 12, 227, 426);
+        canvas.setBounds(12,12,pictureBoxWidth,pictureBoxHeight);
+        JButton addButton = new JButton("Добавить");
+        JButton removeButton = new JButton("Удалить");
+        JButton refreshButton = new JButton("Обновить");
+        JTextField busNumb = new JTextField();
+        GridLayout lay = new GridLayout(4,1);
+        toolBox.setLayout(lay);
+        toolBox.add(addButton);
+        toolBox.add(busNumb);
+        toolBox.add(removeButton);
+        toolBox.add(refreshButton);
+        collectionFrame.add(toolBox);
+        collectionFrame.add(canvas);
+        collectionFrame.setVisible(true);
+
+        addButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if(_bus == null) {
+                    return;
+                }
+                FormDoubleDeckerBus form = new FormDoubleDeckerBus();
+                form.buttonSelect.addActionListener(new ActionListener() {
+                    @Override
+                    public void actionPerformed(ActionEvent e) {
+                        if (_bus.Insert(form.SelectedBus()) != -1)
+                        {
+                            JOptionPane.showMessageDialog(null, "Объект добавлен", "Информация", JOptionPane.INFORMATION_MESSAGE);
+                            form.SelectedBus()._pictureWidth = pictureBoxWidth;
+                            form.SelectedBus()._pictureHeight = pictureBoxHeight;
+                            Draw();
+                        }
+                        else
+                        {
+                            JOptionPane.showMessageDialog(null, "Не удалось добавить объект", "Информация", JOptionPane.INFORMATION_MESSAGE);
+                        }
+                        canvas._bus = _bus;
+                        form.BusFrame.dispose();
+                        Draw();
+                    }
+                });
+            }
+        });
+        removeButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if(_bus == null) {
+                    return;
+                }
+                String tmp = busNumb.getText();
+                int numb;
+
+                try {
+                    numb = Integer.parseInt(tmp);
+                } catch (Exception ex){
+                    JOptionPane.showMessageDialog(null, "Введите число", "Информация", JOptionPane.INFORMATION_MESSAGE);
+                    return;
+                }
+                _bus.Remove(numb);
+                _bus.ShowTheBuses();
+                JOptionPane.showMessageDialog(null, "Объект удален", "Информация", JOptionPane.INFORMATION_MESSAGE);
+                Draw();
+            }
+        });
+
+        refreshButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if(_bus == null) {
+                    return;
+                }
+                _bus.ShowTheBuses();
+                Draw();
+            }
+        });
+    }
+}

src/DoubleDeckerBus/FormDoubleDeckerBus.java

@@ -0,0 +1,218 @@
+package DoubleDeckerBus;
+
+import DoubleDeckerBus.DrawningObjects.DrawningDoubleDeckerBus;
+import DoubleDeckerBus.DrawningObjects.DrawningBus;
+import DoubleDeckerBus.Entities.EntityBus;
+import DoubleDeckerBus.MovementStrategy.*;
+
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import java.util.Random;
+import javax.imageio.ImageIO;
+import javax.swing.*;
+
+public class FormDoubleDeckerBus {
+    static DrawningBus DrawningBus;
+    static AbstractStrategy _abstractStrategy;
+
+    public JButton buttonSelect;
+    public JFrame BusFrame;
+
+    Canvas canvas;
+    static int pictureBoxWidth = 882;
+    static int pictureBoxHeight = 453;
+
+    public Color ChooseColor(JFrame BusFrame){
+        JColorChooser dialog = new JColorChooser();
+        Color res = JColorChooser.showDialog(BusFrame, "Выберите цвет", Color.WHITE);
+        return res;
+    }
+
+    public DrawningBus SelectedBus(){
+        return DrawningBus;
+    }
+
+    public void Draw() {
+        if (DrawningBus == null) {
+            return;
+        }
+        canvas.repaint();
+    }
+
+    public FormDoubleDeckerBus() {
+        BusFrame = new JFrame();
+        JButton buttonCreate = new JButton("Создать");
+        JButton buttonCreateDoubleDeckerBus = new JButton("Создать двухэтажный автобус");
+        JButton buttonStep = new JButton("Шаг");
+        buttonSelect = new JButton ("Выбрать");
+        JComboBox comboBoxStrategy = new JComboBox(new String[]{"Довести до центра", "Довести до края"});
+        JButton UpButton = new JButton();
+        UpButton.setIcon(new ImageIcon("D:\\Файлы\\УлГТУ\\3 семестр\\РПП\\DoubleDeckerBus\\Resources\\UpArrow.png"));
+        JButton DownButton = new JButton();
+        DownButton.setIcon(new ImageIcon("D:\\Файлы\\УлГТУ\\3 семестр\\РПП\\DoubleDeckerBus\\Resources\\DownArrow.png"));
+        JButton LeftButton = new JButton();
+        LeftButton.setIcon(new ImageIcon("D:\\Файлы\\УлГТУ\\3 семестр\\РПП\\DoubleDeckerBus\\Resources\\LeftArrow.png"));
+        JButton RightButton = new JButton();
+        RightButton.setIcon(new ImageIcon("D:\\Файлы\\УлГТУ\\3 семестр\\РПП\\DoubleDeckerBus\\Resources\\RightArrow.png"));
+
+        buttonStep.addActionListener(
+            new ActionListener() {
+                public void actionPerformed(ActionEvent e){
+                    if (DrawningBus == null)
+                    {
+                        return;
+                    }
+                    if (comboBoxStrategy.isEnabled())
+                    {
+                        switch (comboBoxStrategy.getSelectedIndex())
+                        {
+                            case 0:
+                                _abstractStrategy = new MoveToCenter();
+                                break;
+                            case 1:
+                                _abstractStrategy = new MoveToBorder();
+                                break;
+                            default:
+                                _abstractStrategy = null;
+                                break;
+                        };
+                        if (_abstractStrategy == null)
+                        {
+                            return;
+                        }
+                        _abstractStrategy.SetData(new DrawningObjectBus(DrawningBus), pictureBoxWidth, pictureBoxHeight);
+                        comboBoxStrategy.setEnabled(false);
+                    }
+                    if (_abstractStrategy == null)
+                    {
+                        return;
+                    }
+                    _abstractStrategy.MakeStep();
+                    Draw();
+                    if (_abstractStrategy.GetStatus() == Status.Finish)
+                    {
+                        comboBoxStrategy.setEnabled(true);
+                        _abstractStrategy = null;
+                    }
+                }
+            }
+        );
+
+        buttonCreate.addActionListener(
+            new ActionListener() {
+                @Override
+                public void actionPerformed(ActionEvent e) {
+                    Random random = new Random();
+                    Color color = new Color(random.nextInt(0, 256), random.nextInt(0, 256), random.nextInt(0, 256));
+                    Color choosen = ChooseColor(BusFrame);
+                    if (choosen != null){
+                        color = choosen;
+                    }
+                    DrawningBus = new DrawningBus(random.nextInt(100, 300), random.nextDouble(1000, 3000),
+                            color, pictureBoxWidth, pictureBoxHeight);
+                    canvas.DrawningBus = DrawningBus;
+                    comboBoxStrategy.enable(true);
+                    Draw();
+                }
+            }
+        );
+
+        buttonCreateDoubleDeckerBus.addActionListener(
+            new ActionListener() {
+                public void actionPerformed(ActionEvent e){
+                    Random random = new Random();
+                    Color color = new Color(random.nextInt(0, 256), random.nextInt(0, 256), random.nextInt(0, 256));
+                    Color additionalColor = new Color(random.nextInt(0, 256), random.nextInt(0, 256), random.nextInt(0, 256));
+                    Color choosen = ChooseColor(BusFrame);
+                    if (choosen != null){
+                        color = choosen;
+                    }
+                    choosen = ChooseColor(BusFrame);
+                    if (choosen != null){
+                        additionalColor = choosen;
+                    }
+                    DrawningBus = new DrawningDoubleDeckerBus(random.nextInt(100, 300), random.nextDouble(1000, 3000),
+                            color, additionalColor, random.nextInt(1, 6), pictureBoxWidth, pictureBoxHeight,
+                            random.nextBoolean(), random.nextBoolean(), random.nextBoolean());
+                    canvas.DrawningBus = DrawningBus;
+                    comboBoxStrategy.enable(true);
+                    Draw();
+                }
+            }
+        );
+
+        RightButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if (DrawningBus.EntityBus() == null) {
+                    return;
+                }
+                DrawningBus.MoveTransport(DirectionType.Right);
+                Draw();
+            }
+        });
+
+        LeftButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if (DrawningBus.EntityBus() == null) {
+                    return;
+                }
+                DrawningBus.MoveTransport(DirectionType.Left);
+                Draw();
+            }
+        });
+
+        UpButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if (DrawningBus.EntityBus() == null) {
+                    return;
+                }
+                DrawningBus.MoveTransport(DirectionType.Up);
+                Draw();
+            }
+        });
+
+        DownButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if (DrawningBus.EntityBus() == null) {
+                    return;
+                }
+                DrawningBus.MoveTransport(DirectionType.Down);
+                Draw();
+            }
+        });
+
+        BusFrame.setSize(900, 500);
+        BusFrame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
+        BusFrame.setLayout(null);
+        canvas = new Canvas();
+        canvas.setSize(pictureBoxWidth, pictureBoxHeight);
+        buttonSelect.setBounds(453,401, 180, 40);
+        buttonCreateDoubleDeckerBus.setBounds(198, 401, 250, 40);
+        buttonCreate.setBounds(12, 401, 180, 40);
+        RightButton.setBounds(840,411,30,30);
+        LeftButton.setBounds(768,411,30,30);
+        UpButton.setBounds(804,375,30,30);
+        DownButton.setBounds(804,411,30,30);
+        comboBoxStrategy.setBounds(719,12,151,28);
+        buttonStep.setBounds(768, 46, 94, 29);
+        BusFrame.add(canvas);
+        BusFrame.add(buttonCreate);
+        BusFrame.add(buttonCreateDoubleDeckerBus);
+        BusFrame.add(UpButton);
+        BusFrame.add(DownButton);
+        BusFrame.add(LeftButton);
+        BusFrame.add(RightButton);
+        BusFrame.add(comboBoxStrategy);
+        BusFrame.add(buttonStep);
+        BusFrame.add(buttonSelect);
+        BusFrame.setVisible(true);
+    }
+}

src/DoubleDeckerBus/Generics/HardGeneric.java

@@ -0,0 +1,67 @@
+package DoubleDeckerBus.Generics;
+
+import DoubleDeckerBus.DrawningObjects.DrawningBus;
+import DoubleDeckerBus.DrawningObjects.IDraw;
+import DoubleDeckerBus.Entities.EntityBus;
+
+import java.util.ArrayList;
+import java.util.Random;
+
+public class HardGeneric <T extends EntityBus,U extends IDraw> {
+    ArrayList<T> Buses;
+    ArrayList<U> Doors;
+
+    private int CountBuses;
+    private int MaxCountBuses;
+    private int CountDoors;
+    private int MaxCountDoors;
+
+    private int pictureBoxWidth;
+
+    private int pictureBoxHeight;
+
+    public HardGeneric(int maxCountBuses, int maxCountDoors, int width, int height) {
+        MaxCountBuses = maxCountBuses;
+        MaxCountDoors = maxCountDoors;
+        Buses = new ArrayList<T>(MaxCountBuses);
+        Doors = new ArrayList<U>(MaxCountDoors);
+        CountBuses = 0;
+        CountDoors = 0;
+        pictureBoxHeight = height;
+        pictureBoxWidth = width;
+    }
+
+    public boolean Add(T bus) {
+        if (bus == null) {
+            return false;
+        }
+        if (CountBuses > MaxCountBuses) {
+            return false;
+        }
+        Buses.add(CountBuses++, bus);
+        return true;
+    }
+
+    public boolean Add(U door) {
+        if (door == null) {
+            return false;
+        }
+        if (CountDoors > MaxCountDoors) {
+            return false;
+        }
+        Doors.add(CountDoors++, door);
+        return true;
+    }
+
+    public DrawningBus MakeObject() {
+        if (CountBuses == 0 || CountDoors == 0) {
+            return null;
+        }
+        Random rand = new Random();
+        int indBus = rand.nextInt(0, CountBuses);
+        int indDoors = rand.nextInt(0,CountDoors);
+        T entity = Buses.get(indBus);
+        U door = Doors.get(indDoors);
+        return new DrawningBus(entity.Speed(), entity.Weight(), entity.BodyColor(), pictureBoxWidth, pictureBoxHeight);
+    }
+}

src/DoubleDeckerBus/Generics/SetGeneric.java

@@ -0,0 +1,60 @@
+package DoubleDeckerBus.Generics;
+
+public class SetGeneric<T extends Object>{
+    private final Object[] _places;
+
+    public int Count;
+
+    public SetGeneric(int count){
+        _places = new Object[count];
+        Count = count;
+    }
+
+    public int Insert(T bus){
+        return Insert(bus, 0);
+    }
+
+    public int Insert(T bus, int position){
+        if (!(position >= 0 && position < Count)) {
+            return -1;
+        }
+
+        if (_places[position] == null){
+            _places[position] = bus;
+        } else {
+            int place = -1;
+
+            for (int i = position; i < Count; i++) {
+                if (_places[i] == null) {
+                    place = i;
+                    break;
+                }
+            }
+
+            if (place == -1) {
+                return -1;
+            }
+
+            for (int i = place - 1; i >= position; i--) {
+                _places[i + 1] = _places[i];
+            }
+            _places[position] = bus;
+        }
+        return position;
+    }
+
+    public boolean Remove(int position){
+        if (!(position >= 0 && position < Count)) {
+            return false;
+        }
+        _places[position] = null;
+        return true;
+    }
+
+    public T Get(int position){
+        if (!(position >= 0 && position < Count)) {
+            return null;
+        }
+        return (T)_places[position];
+    }
+}

src/DoubleDeckerBus/Generics/TheBusesGenericCollection.java

@@ -0,0 +1,77 @@
+package DoubleDeckerBus.Generics;
+
+import DoubleDeckerBus.DrawningObjects.DrawningBus;
+import DoubleDeckerBus.MovementStrategy.IMoveableObject;
+
+import java.awt.*;
+import java.awt.image.BufferedImage;
+
+public class TheBusesGenericCollection<T extends DrawningBus, U extends IMoveableObject> {
+    private final int _pictureWidth;
+
+    private final int _pictureHeight;
+
+    private final int _placeSizeWidth = 133;
+
+    private final int _placeSizeHeight = 50;
+
+    private final SetGeneric<T> _collection;
+
+    public TheBusesGenericCollection(int picWidth, int picHeight){
+        int width = picWidth / _placeSizeWidth;
+        int height = picHeight / _placeSizeHeight;
+        _pictureWidth = picWidth;
+        _pictureHeight = picHeight;
+        _collection = new SetGeneric<T>(width * height);
+    }
+
+    public int Insert(T obj){
+        if (obj == null) {
+            return -1;
+        }
+        return _collection.Insert(obj);
+    }
+
+    public boolean Remove(int position) {
+        return _collection.Remove(position);
+    }
+
+    public U GetU(int pos){
+        T ans = _collection.Get(pos);
+        if (ans == null) {
+            return null;
+        }
+        return (U)ans.GetMoveableObject();
+    }
+
+    public BufferedImage ShowTheBuses() {
+        BufferedImage bmp = new BufferedImage(_pictureWidth, _pictureHeight, BufferedImage.TYPE_4BYTE_ABGR);
+        Graphics gr = bmp.createGraphics();
+        DrawBackground(gr);
+        DrawObjects(gr);
+        return bmp;
+    }
+
+    private void DrawBackground(Graphics g) {
+        g.setColor(Color.BLACK);
+        for (int i = 0; i < _pictureWidth / _placeSizeWidth; i++) {
+            for (int j = 0; j < _pictureHeight / _placeSizeHeight + 1; ++j) {
+                g.drawLine(i * _placeSizeWidth, j * _placeSizeHeight,
+                    i * _placeSizeWidth + _placeSizeWidth / 2, j * _placeSizeHeight);
+            }
+            g.drawLine(i * _placeSizeWidth, 0, i * _placeSizeWidth,
+                _pictureHeight / _placeSizeHeight * _placeSizeHeight);
+        }
+    }
+
+    private void DrawObjects(Graphics g) {
+        for (int i = 0; i < _collection.Count; i++) {
+            DrawningBus bus = _collection.Get(i);
+            if (bus != null) {
+                int inRow = _pictureWidth / _placeSizeWidth;
+                bus.SetPosition((inRow - 1 - (i % inRow)) * _placeSizeWidth, i / inRow * _placeSizeHeight);
+                bus.DrawTransport((Graphics2D) g);
+            }
+        }
+    }
+}

src/DoubleDeckerBus/HardForm.java

@@ -0,0 +1,78 @@
+package DoubleDeckerBus;
+
+import DoubleDeckerBus.DrawningObjects.*;
+import DoubleDeckerBus.Entities.EntityBus;
+import DoubleDeckerBus.Generics.HardGeneric;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.Random;
+
+public class HardForm extends JFrame {
+    private Canvas canvas;
+
+    private int pictureBoxWidth;
+    private int pictureBoxHeight;
+
+    private EntityBus createRandomEntityBus() {
+        Random rand = new Random();
+        return new EntityBus(
+                rand.nextInt(100, 300),
+                rand.nextDouble(1000, 3000),
+                Color.getHSBColor(
+                        rand.nextInt(0, 301),
+                        rand.nextInt(0, 301),
+                        rand.nextInt(0, 301)
+                )
+        );
+    }
+
+    void redrawCanvas() {
+        if (canvas == null) {
+            return;
+        }
+        canvas.repaint();
+    }
+
+    private IDraw createDrawningDoor() {
+        return new DrawningDoor(pictureBoxWidth, pictureBoxHeight, 0, 0);
+    }
+
+    public HardForm() {
+        Random rand = new Random();
+        int size = rand.nextInt(1, 10);
+
+        JFrame HardFrame = new JFrame();
+        HardFrame.setSize(700, 400);
+        HardFrame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
+        canvas = new Canvas();
+        canvas.setBounds(0,0,pictureBoxWidth,pictureBoxHeight);
+        JButton createObjectButton = new JButton("Создать");
+        createObjectButton.setBounds(0, 0, 100, 40);
+        canvas.add(createObjectButton);
+        HardFrame.setContentPane(canvas);
+        HardFrame.setVisible(true);
+        pictureBoxHeight = canvas.getHeight();
+        pictureBoxWidth = canvas.getWidth();
+        HardGeneric<EntityBus, IDraw> objectGenerator = new HardGeneric<>(size, size, pictureBoxWidth, pictureBoxHeight);
+        for (int i = 0; i < size; i++) {
+            EntityBus ent = createRandomEntityBus();
+            objectGenerator.Add(ent);
+            objectGenerator.Add(createDrawningDoor());
+        }
+        createObjectButton.addActionListener(
+            new ActionListener() {
+                @Override
+                public void actionPerformed(ActionEvent e) {
+                    DrawningBus DrawningBus = objectGenerator.MakeObject();
+                    DrawningBus.SetPosition(pictureBoxWidth / 2 - DrawningBus.GetWidth()/2,
+                            pictureBoxHeight / 2 - DrawningBus.GetHeight()/2);
+                    canvas.DrawningBus = DrawningBus;
+                    redrawCanvas();
+                }
+            }
+        );
+    }
+}

src/DoubleDeckerBus/Main.java

@@ -0,0 +1,9 @@
+package DoubleDeckerBus;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) throws IOException {
+        FormBusCollection formBusCollection = new FormBusCollection();
+    }
+}

src/DoubleDeckerBus/MovementStrategy/AbstractStrategy.java

@@ -0,0 +1,98 @@
+package DoubleDeckerBus.MovementStrategy;
+
+import DoubleDeckerBus.DirectionType;
+
+public abstract class AbstractStrategy {
+    private IMoveableObject _moveableObject;
+
+    private Status _state = Status.NotInit;
+
+    private int FieldWidth;
+
+    protected int FieldWidth() {
+        return FieldWidth;
+    }
+
+    private int FieldHeight;
+
+    protected int FieldHeight() {
+        return FieldHeight;
+    }
+
+    public Status GetStatus() {
+        return _state;
+    }
+
+    public void SetData(IMoveableObject moveableObject, int width, int height) {
+        if (moveableObject == null) {
+            _state = Status.NotInit;
+            return;
+        }
+
+        _state = Status.InProgress;
+        _moveableObject = moveableObject;
+        FieldWidth = width;
+        FieldHeight = height;
+    }
+
+    public void MakeStep() {
+        if (_state != Status.InProgress) {
+            return;
+        }
+
+        if (IsTargetDestination()) {
+            _state = Status.Finish;
+            return;
+        }
+        MoveToTarget();
+    }
+
+    protected boolean MoveLeft() {
+        return MoveTo(DirectionType.Left);
+    }
+
+    protected boolean MoveRight() {
+        return MoveTo(DirectionType.Right);
+    }
+
+    protected boolean MoveUp() {
+        return MoveTo(DirectionType.Up);
+    }
+
+    protected boolean MoveDown() {
+        return MoveTo(DirectionType.Down);
+    }
+
+    protected ObjectParameters GetObjectParameters(){
+        if (_moveableObject != null) {
+            return _moveableObject.GetObjectParameters();
+        }
+        else {
+            return null;
+        }
+    }
+
+    protected Integer GetStep() {
+        if (_state != Status.InProgress) {
+            return null;
+        }
+        return _moveableObject.GetStep();
+    }
+
+    protected abstract void MoveToTarget();
+
+    protected abstract boolean IsTargetDestination();
+
+    private boolean MoveTo(DirectionType directionType) {
+        if (_state != Status.InProgress) {
+            return false;
+        }
+
+        if (_moveableObject.CheckCanMove(directionType)) {
+            _moveableObject.MoveObject(directionType);
+            return true;
+        }
+
+        return false;
+    }
+}

src/DoubleDeckerBus/MovementStrategy/DrawningObjectBus.java

@@ -0,0 +1,41 @@
+package DoubleDeckerBus.MovementStrategy;
+
+import DoubleDeckerBus.DrawningObjects.DrawningBus;
+import DoubleDeckerBus.DirectionType;
+
+public class DrawningObjectBus implements IMoveableObject {
+    private final DrawningBus _drawningBus;
+
+    public DrawningObjectBus(DrawningBus drawningBus){
+        _drawningBus = drawningBus;
+    }
+
+    public ObjectParameters GetObjectParameters(){
+        if (_drawningBus == null || _drawningBus.EntityBus() == null) {
+            return null;
+        }
+        return new ObjectParameters(_drawningBus.GetPosX(), _drawningBus.GetPosY(),
+                _drawningBus.GetWidth(), _drawningBus.GetHeight());
+    }
+
+    public int GetStep(){
+        if (_drawningBus.EntityBus() == null) {
+            return 0;
+        }
+        return (int)_drawningBus.EntityBus().Step();
+    }
+
+    public boolean CheckCanMove(DirectionType direction){
+        if (_drawningBus == null) {
+            return false;
+        }
+        return _drawningBus.CanMove(direction);
+    }
+
+    public void MoveObject(DirectionType direction){
+        if (_drawningBus == null) {
+            return;
+        }
+        _drawningBus.MoveTransport(direction);
+    }
+}

src/DoubleDeckerBus/MovementStrategy/IMoveableObject.java

@@ -0,0 +1,10 @@
+package DoubleDeckerBus.MovementStrategy;
+
+import DoubleDeckerBus.DirectionType;
+
+public interface IMoveableObject {
+    public ObjectParameters GetObjectParameters();
+    public int GetStep();
+    boolean CheckCanMove(DirectionType direction);
+    void MoveObject(DirectionType direction);
+}

src/DoubleDeckerBus/MovementStrategy/MoveToBorder.java

@@ -0,0 +1,37 @@
+package DoubleDeckerBus.MovementStrategy;
+
+public class MoveToBorder extends AbstractStrategy {
+    @Override
+    protected boolean IsTargetDestination() {
+        var objParams = GetObjectParameters();
+
+        if (objParams == null) {
+            return false;
+        }
+
+        return objParams.RightBorder <= FieldWidth() && objParams.RightBorder + GetStep() >= FieldWidth() &&
+                objParams.DownBorder <= FieldHeight() && objParams.DownBorder + GetStep() >= FieldHeight();
+    }
+    @Override
+    protected void MoveToTarget() {
+        var objParams = GetObjectParameters();
+
+        if (objParams == null) {
+            return;
+        }
+
+        var diffX = objParams.RightBorder - FieldWidth();
+        if (Math.abs(diffX) >= GetStep()) {
+            if (diffX < 0) {
+                MoveRight();
+            }
+        }
+
+        var diffY = objParams.DownBorder - FieldHeight();
+        if (Math.abs(diffY) >= GetStep()) {
+            if (diffY < 0) {
+                MoveDown();
+            }
+        }
+    }
+}

src/DoubleDeckerBus/MovementStrategy/MoveToCenter.java

@@ -0,0 +1,50 @@
+package DoubleDeckerBus.MovementStrategy;
+
+public class MoveToCenter extends AbstractStrategy{
+    @Override
+    protected boolean IsTargetDestination() {
+        var objParams = GetObjectParameters();
+
+        if (objParams == null) {
+            return false;
+        }
+
+        return ((objParams.ObjectMiddleHorizontal <= FieldWidth() / 2 &&
+                objParams.ObjectMiddleHorizontal + GetStep() >= FieldWidth() / 2)
+                ||(objParams.ObjectMiddleHorizontal >= FieldWidth() / 2 &&
+                objParams.ObjectMiddleHorizontal - GetStep() <= FieldWidth() / 2)) &&
+
+                ((objParams.ObjectMiddleVertical <= FieldHeight() / 2 &&
+                objParams.ObjectMiddleVertical + GetStep() >= FieldHeight() / 2) ||
+                (objParams.ObjectMiddleVertical >= FieldHeight() / 2 &&
+                objParams.ObjectMiddleVertical - GetStep() <= FieldHeight() / 2));
+    }
+
+    @Override
+    protected void MoveToTarget() {
+        var objParams = GetObjectParameters();
+
+        if (objParams == null) {
+            return;
+        }
+
+        var diffX = objParams.ObjectMiddleHorizontal - FieldWidth() / 2;
+        if (Math.abs(diffX) > GetStep()) {
+            if (diffX > 0) {
+                MoveLeft();
+            }
+            else {
+                MoveRight();
+            }
+        }
+        var diffY = objParams.ObjectMiddleVertical - FieldHeight() / 2;
+        if (Math.abs(diffY) > GetStep()) {
+            if (diffY > 0) {
+                MoveUp();
+            }
+            else {
+                MoveDown();
+            }
+        }
+    }
+}

src/DoubleDeckerBus/MovementStrategy/ObjectParameters.java

@@ -0,0 +1,29 @@
+package DoubleDeckerBus.MovementStrategy;
+
+public class ObjectParameters {
+    private final int _x;
+    private final int _y;
+    private final int _width;
+    private final int _height;
+    public int LeftBorder;
+    public int TopBorder;
+    public int RightBorder;
+    public int DownBorder;
+    public int ObjectMiddleHorizontal;
+    public int ObjectMiddleVertical;
+
+    public ObjectParameters(int x, int y, int width, int height)
+    {
+        _x = x;
+        _y = y;
+        _width = width;
+        _height = height;
+        LeftBorder = _x;
+        TopBorder = _y;
+        RightBorder = _x + width;
+        DownBorder = _y + height;
+        ObjectMiddleHorizontal = _x + _width / 2;
+        ObjectMiddleVertical = _y + _height / 2;
+    }
+
+}

src/DoubleDeckerBus/MovementStrategy/Status.java

@@ -0,0 +1,7 @@
+package DoubleDeckerBus.MovementStrategy;
+
+public enum Status {
+    NotInit,
+    InProgress,
+    Finish
+}