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revert Лабораторная работа №2

src/CollectionAdditionalObjects/AdditionalCollections.java

@@ -0,0 +1,61 @@
+package CollectionAdditionalObjects;
+
+import DifferentRollers.IDifferentRollers;
+import Drawings.DrawingBulldozer;
+import Drawings.DrawingExcavator;
+import Entities.EntityBulldozer;
+import Entities.EntityExcavator;
+
+import java.lang.reflect.Array;
+import java.util.Random;
+
+public class AdditionalCollections <T extends EntityBulldozer, U extends IDifferentRollers>{
+    public T[] _collectionEntity;
+    public U[] _collectionRollers;
+    public AdditionalCollections(int size, Class<T> type1, Class<T> type2) {
+        _collectionEntity = (T[]) Array.newInstance(type1, size);
+        _collectionRollers = (U[]) Array.newInstance(type2, size);
+        CountEntities = size;
+        CountRollers = size;
+    }
+    public int CountEntities;
+    public int CountRollers;
+    public int Insert(T entity) {
+        int index = 0;
+        while (index < CountEntities) {
+            if (_collectionEntity[index] == null)
+            {
+                _collectionEntity[index] = entity;
+                return index;
+            }
+            ++index;
+        }
+        return -1;
+    }
+    public int Insert(U rollers) {
+        int index = 0;
+        while (index < CountRollers) {
+            if (_collectionRollers[index] == null)
+            {
+                _collectionRollers[index] = rollers;
+                return index;
+            }
+            ++index;
+        }
+        return -1;
+    }
+    public DrawingBulldozer CreateAdditionalCollectionBulldozer() {
+        Random random = new Random();
+        if (_collectionEntity == null || _collectionRollers == null) return null;
+        T entity = _collectionEntity[random.nextInt(CountEntities)];
+        U rollers = _collectionRollers[random.nextInt(CountRollers)];
+        DrawingBulldozer drawingBulldozer = null;
+        if (entity instanceof EntityExcavator) {
+            drawingBulldozer = new DrawingExcavator((EntityExcavator) entity, rollers);
+        }
+        else {
+            drawingBulldozer = new DrawingBulldozer(entity, rollers);
+        }
+        return drawingBulldozer;
+    }
+}

src/CollectionGenericObjects/AbstractCompany.java

@@ -0,0 +1,34 @@
+package CollectionGenericObjects;
+
+import Drawings.DrawingBulldozer;
+
+import java.awt.*;
+
+public abstract class AbstractCompany {
+    protected int _placeSizeWidth = 195;
+    protected  int _placeSizeHeight = 80;
+    protected int _pictureWidth;
+    protected  int _pictureHeight;
+    public ICollectionGenericObjects<DrawingBulldozer> _collection = null;
+    private int GetMaxCount() {
+        return _pictureWidth * _pictureHeight / (_placeSizeWidth * _placeSizeHeight);
+    }
+    public AbstractCompany(int picWidth, int picHeight, ICollectionGenericObjects<DrawingBulldozer> collection)
+    {
+        _pictureWidth = picWidth;
+        _pictureHeight = picHeight;
+        _collection = collection;
+        _collection.SetMaxCount(GetMaxCount(), DrawingBulldozer.class);
+    }
+    //перегрузка операторов в джаве невозможна
+    public DrawingBulldozer GetRandomObject()
+    {
+        return _collection.Get((int)(Math.random()*GetMaxCount()));
+    }
+    public void SetPosition()
+    {
+        SetObjectsPosition();
+    }
+    public abstract void DrawBackground(Graphics graphics);
+    protected abstract void SetObjectsPosition();
+}

src/CollectionGenericObjects/BulldozerSharingService.java

@@ -0,0 +1,49 @@
+package CollectionGenericObjects;
+
+import Drawings.DrawingBulldozer;
+
+import java.awt.*;
+
+public class BulldozerSharingService extends AbstractCompany{
+    public BulldozerSharingService(int picWidth, int picHeight, ICollectionGenericObjects<DrawingBulldozer> collection) {
+        super(picWidth, picHeight, collection);
+    }
+    @Override
+    public void DrawBackground(Graphics g) {
+        int width = _pictureWidth / _placeSizeWidth;
+        int height = _pictureHeight / _placeSizeHeight;
+        g.setColor(Color.BLACK);
+        for (int i = 0; i < width; i++)
+        {
+            for (int j = 0; j < height + 1; ++j)
+            {
+                g.drawLine(i * _placeSizeWidth, j * _placeSizeHeight, i * _placeSizeWidth + _placeSizeWidth / 2, j * _placeSizeHeight);
+            }
+            g.drawLine(i * _placeSizeWidth, 0, i * _placeSizeWidth, _pictureHeight);
+        }
+    }
+    @Override
+    protected void SetObjectsPosition() {
+        int width = _pictureWidth / _placeSizeWidth;
+        int height = _pictureHeight / _placeSizeHeight;
+
+        int posWidth = width - 1;
+        int posHeight = 0;
+        for (int i = 0; i < (_collection.getCount()); i++) {
+            if (_collection.Get(i) != null) {
+                _collection.Get(i).SetPictureSize(_pictureWidth, _pictureHeight);
+                _collection.Get(i).SetPosition(_placeSizeWidth * posWidth + 4, posHeight * _placeSizeHeight + 4);
+            }
+            if (posWidth > 0)
+                posWidth--;
+            else {
+                posWidth = width - 1;
+                posHeight++;
+            }
+            if (posHeight > height) {
+                return;
+            }
+        }
+    }
+}
+

src/CollectionGenericObjects/ICollectionGenericObjects.java

@@ -0,0 +1,12 @@
+package CollectionGenericObjects;
+
+public interface ICollectionGenericObjects<T>
+{
+    int getCount();
+    void SetMaxCount(int count, Class<T> type);
+    int Insert(T obj);
+    int Insert(T obj, int position);
+    T Remove(int position);
+    T Get(int position);
+}
+

src/CollectionGenericObjects/MassiveGenericObjects.java

@@ -0,0 +1,75 @@
+package CollectionGenericObjects;
+
+import java.lang.reflect.Array;
+
+public class MassiveGenericObjects<T> implements ICollectionGenericObjects<T>{
+    private T[] _collection;
+    private int Count;
+    public void SetMaxCount(int size, Class<T> type) {
+        if (size > 0) {
+            _collection = (T[]) Array.newInstance(type, size);
+            Count = size;
+        }
+    }
+    @Override
+    public int getCount() {
+        return Count;
+    }
+    @Override
+    public int Insert(T obj) {
+        int index = 0;
+        while (index < getCount())
+        {
+            if (_collection[index] == null)
+            {
+                _collection[index] = obj;
+                return index;
+            }
+            ++index;
+        }
+        return -1;
+    }
+    @Override
+    public int Insert(T obj, int position) {
+        if (position >= getCount() || position < 0)
+            return -1;
+        if (_collection[position] == null) {
+            _collection[position] = obj;
+            return position;
+        }
+        int index = position + 1;
+        while (index < getCount())
+        {
+            if (_collection[index] == null)
+            {
+                _collection[index] = obj;
+                return index;
+            }
+            ++index;
+        }
+        index = position - 1;
+        while (index >= 0)
+        {
+            if (_collection[index] == null)
+            {
+                _collection[index] = obj;
+                return index;
+            }
+            --index;
+        }
+        return -1;
+    }
+    @Override
+    public T Remove(int position) {
+        if (position >= getCount() || position < 0)
+            return null;
+        T obj = (T) _collection[position];
+        _collection[position] = null;
+        return obj;
+    }
+    @Override
+    public T Get(int position) {
+        if (position >= getCount() || position < 0) return null;
+        return (T) _collection[position];
+    }
+}

src/DifferentRollers/DrawingRollersCross.java

@@ -0,0 +1,32 @@
+package DifferentRollers;
+
+import java.awt.*;
+
+public class DrawingRollersCross implements IDifferentRollers{
+    private RollersCount rollersCount;
+    @Override
+    public void setRollersCount(int numOfRoller){
+        for (RollersCount numofenum : RollersCount.values()){
+            if (numofenum.getNumOfRollers() == numOfRoller){
+                rollersCount = numofenum;
+                return;
+            }
+        }
+    }
+
+    @Override
+    public RollersCount getRollersCount(){
+        return rollersCount;
+    }
+
+    @Override
+    public void DrawRollers(Graphics2D g, int x, int y, int width, int height, Color bodyColor){
+        g.setColor(bodyColor);
+        g.fillOval(x, y, width, height);
+        g.setColor(Color.BLACK);
+        g.drawLine(x+2, y+2, x+6, y+6);
+        g.drawLine(x+2, y+6, x+6, y+2);
+        g.drawOval(x, y, width, height);
+        g.setColor(bodyColor);
+    }
+}

src/DifferentRollers/DrawingRollersPlus.java

@@ -0,0 +1,32 @@
+package DifferentRollers;
+
+import java.awt.*;
+
+public class DrawingRollersPlus implements IDifferentRollers{
+    private RollersCount rollersCount;
+    @Override
+    public void setRollersCount(int numOfRoller){
+        for (RollersCount numofenum : RollersCount.values()){
+            if (numofenum.getNumOfRollers() == numOfRoller){
+                rollersCount = numofenum;
+                return;
+            }
+        }
+    }
+
+    @Override
+    public RollersCount getRollersCount(){
+        return rollersCount;
+    }
+
+    @Override
+    public void DrawRollers(Graphics2D g, int x, int y, int width, int height, Color bodyColor){
+        g.setColor(bodyColor);
+        g.fillOval(x, y, width, height);
+        g.setColor(Color.BLACK);
+        g.drawLine(x+4, y, x+4, y+8);
+        g.drawLine(x, y+4, x+8, y+4);
+        g.drawOval(x, y, width, height);
+        g.setColor(bodyColor);
+    }
+}

src/DifferentRollers/DrawingRollersStar.java

@@ -0,0 +1,34 @@
+package DifferentRollers;
+
+import java.awt.*;
+
+public class DrawingRollersStar implements IDifferentRollers{
+    private RollersCount rollersCount;
+    @Override
+    public void setRollersCount(int numOfRoller){
+        for (RollersCount numofenum : RollersCount.values()){
+            if (numofenum.getNumOfRollers() == numOfRoller){
+                rollersCount = numofenum;
+                return;
+            }
+        }
+    }
+
+    @Override
+    public RollersCount getRollersCount(){
+        return rollersCount;
+    }
+
+    @Override
+    public void DrawRollers(Graphics2D g, int x, int y, int width, int height, Color bodyColor){
+        g.setColor(bodyColor);
+        g.fillOval(x, y, width, height);
+        g.setColor(Color.BLACK);
+        g.drawLine(x+4, y, x+4, y+8);
+        g.drawLine(x, y+4, x+8, y+4);
+        g.drawLine(x+2, y+2, x+6, y+6);
+        g.drawLine(x+2, y+6, x+6, y+2);
+        g.drawOval(x, y, width, height);
+        g.setColor(bodyColor);
+    }
+}

src/DifferentRollers/IDifferentRollers.java

@@ -0,0 +1,9 @@
+package DifferentRollers;
+
+import java.awt.*;
+
+public interface IDifferentRollers {
+    void setRollersCount(int numOfRoller);
+    RollersCount getRollersCount();
+    void DrawRollers(Graphics2D g, int x, int y, int width, int height, Color bodyColor);
+}

src/DifferentRollers/RollersCount.java

@@ -0,0 +1,14 @@
+package DifferentRollers;
+
+public enum RollersCount {
+    OneRoller(1),
+    TwoRollers(2),
+    ThreeRollers(3);
+    private int numOfRollers;
+    RollersCount(int numOfRollers){
+        this.numOfRollers = numOfRollers;
+    }
+    public int getNumOfRollers(){
+        return numOfRollers;
+    }
+}

src/Drawings/CanvasExcavator.java

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

src/Drawings/CanvasFormBulldozerCollection.java

@@ -0,0 +1,34 @@
+package Drawings;
+
+import CollectionGenericObjects.AbstractCompany;
+import CollectionGenericObjects.ICollectionGenericObjects;
+import CollectionGenericObjects.MassiveGenericObjects;
+
+import javax.swing.*;
+import java.awt.*;
+
+public class CanvasFormBulldozerCollection<T> extends JComponent
+{
+    public AbstractCompany company = null;
+    public void SetCollectionToCanvas(AbstractCompany company) {
+        this.company =  company;
+    }
+    public CanvasFormBulldozerCollection(){}
+    public void paintComponent(Graphics g) {
+        super.paintComponents(g);
+        if (company == null || company._collection == null) {
+            return;
+        }
+        company.DrawBackground(g);
+        for (int i = 0; i < company._collection.getCount(); i++) {
+
+            Graphics2D g2d = (Graphics2D) g;
+            T obj =  (T)company._collection.Get(i);
+            if (obj instanceof DrawingBulldozer) {
+                ((DrawingBulldozer) obj).DrawTransport(g2d);
+            }
+        }
+        super.repaint();
+    }
+}
+

src/Drawings/DirectionType.java

@@ -0,0 +1,9 @@
+package Drawings;
+
+public enum DirectionType {
+    Unknow,
+    Up,
+    Down,
+    Left,
+    Right
+}

src/Drawings/DrawingBulldozer.java

@@ -0,0 +1,202 @@
+package Drawings;
+
+import DifferentRollers.DrawingRollersCross;
+import DifferentRollers.DrawingRollersPlus;
+import DifferentRollers.DrawingRollersStar;
+import DifferentRollers.IDifferentRollers;
+import Entities.EntityBulldozer;
+
+import javax.swing.*;
+import java.awt.*;
+import java.util.Random;
+
+public class DrawingBulldozer extends JPanel {
+    public Entities.EntityBulldozer EntityBulldozer;
+    public IDifferentRollers drawingRollers;
+    public Integer _startPosX;                       // Левая координата отрисовки
+    public Integer _startPosY;                       // Верхняя координата отрисовки
+    private Integer _pictureWidth;           // Ширина окна отрисовки
+    private Integer _pictureHeight;          // Высота окна отрисовки
+    protected int _drawingExcWidth = 120;          // Ширина отрисовки трактора
+    protected int _drawingExcHeight = 70;         // Высота отрисовки трактора
+    public Integer GetPosX(){return _startPosX;}
+    public Integer GetPosY(){return _startPosY;}
+    public Integer GetWidth(){return _drawingExcWidth;}
+    public Integer GetHeight(){return _drawingExcHeight;}
+
+    protected DrawingBulldozer(){
+        _pictureWidth = null;
+        _pictureHeight = null;
+        _startPosX = null;
+        _startPosY = null;
+    }
+
+    protected void SetTypeRollers(){
+        int rollersCount = (int)(Math.random()*4);
+        switch ((int)(Math.random()*3+1)){
+            case 1:
+                drawingRollers = new DrawingRollersCross();
+                break;
+            case 2:
+                drawingRollers = new DrawingRollersPlus();
+                break;
+            case 3:
+                drawingRollers = new DrawingRollersStar();
+                break;
+            default:
+                rollersCount = 0;
+                break;
+        }
+        drawingRollers.setRollersCount(rollersCount);
+    }
+
+    public DrawingBulldozer(int speed, double weight, Color bodyColor){
+        super();
+        EntityBulldozer = new EntityBulldozer(speed, weight, bodyColor);
+        SetTypeRollers();
+    }
+
+    protected DrawingBulldozer(int _drawingExcWidth, int _drawingExcHeight) {
+        super();
+        this._drawingExcWidth = _drawingExcWidth;
+        this._drawingExcHeight = _drawingExcHeight;
+    }
+
+    public DrawingBulldozer(EntityBulldozer entity, IDifferentRollers rollers) {
+        EntityBulldozer = entity;
+        drawingRollers = rollers;
+    }
+
+    // Смена границ формы отрисовки
+    public void SetPictureSize(int width, int height)
+    {
+        if (_drawingExcWidth > width || _drawingExcHeight > height)
+        {
+            return;
+        }
+
+        if (_startPosX != null && _startPosY != null) {
+            if (_startPosX < 0) { _startPosX = 0; }
+            if (_startPosX + _drawingExcWidth > width) { _startPosX = width - _drawingExcWidth; }
+            if (_startPosY < 0) { _startPosY = 0; }
+            if (_startPosY + _drawingExcHeight > height) { _startPosY = height - _drawingExcHeight; }
+        }
+        _pictureWidth = width;
+        _pictureHeight = height;
+    }
+
+    //Установка позиции Экскаватора
+    public void SetPosition(int x, int y){
+        if (_pictureWidth == null || _pictureHeight == null)
+        {
+            return;
+        }
+
+        if (x + _drawingExcWidth > _pictureWidth || x < 0) {
+            Random random = new Random();
+            _startPosX = random.nextInt(_pictureWidth - _drawingExcWidth);
+        }
+        else {
+            _startPosX = x;
+        }
+
+        if (y + _drawingExcHeight > _pictureHeight || y < 0) {
+            Random random = new Random();
+            _startPosY = random.nextInt(_pictureHeight - _drawingExcHeight);
+        }
+        else {
+            _startPosY = y;
+        }
+    }
+
+    // Изменение направления движения
+    public boolean MoveTransport(DirectionType direction){
+        if (EntityBulldozer == null || _startPosX == null || _startPosY == null){
+            return false;
+        }
+        switch (direction) {
+            case Left:
+                if (_startPosX - EntityBulldozer.Step > 0) {
+                    _startPosX -= (int) EntityBulldozer.Step;
+                }
+                return true;
+            case Up:
+                if (_startPosY - EntityBulldozer.Step > 0) {
+                    _startPosY -= (int) EntityBulldozer.Step;
+                }
+                return true;
+            case Right:
+                if (_startPosX + EntityBulldozer.Step < _pictureWidth - _drawingExcWidth) {
+                    _startPosX += (int) EntityBulldozer.Step;
+                }
+                return true;
+            case Down:
+                if (_startPosY + EntityBulldozer.Step < _pictureHeight - _drawingExcHeight) {
+                    _startPosY += (int) EntityBulldozer.Step;
+                }
+                return true;
+            default:
+                return false;
+        }
+    }
+
+    // Отрисовка Экскаватора
+    public void DrawTransport(Graphics2D g){
+        if (EntityBulldozer == null || _startPosX == null || _startPosY == null){
+            return;
+        }
+
+        // Границы экскаватора
+        g.setColor(Color.BLACK);
+        g.drawRect(_startPosX + 20, _startPosY + 25, 60, 20); // главная нижняя
+        g.drawRect(_startPosX + 35, _startPosY + 10, 5, 15);
+        g.drawRect(_startPosX + 55, _startPosY + 3, 22, 22); // кабина
+
+        g.setColor(EntityBulldozer.getBodyColor());
+        g.fillRect(_startPosX + 21, _startPosY + 26, 59, 19);
+        g.fillRect(_startPosX + 36, _startPosY + 11, 4, 14);
+
+        g.setColor(Color.cyan);
+        g.fillRect(_startPosX + 56, _startPosY + 4, 21, 21);
+
+        // Гусеница
+        g.setColor(Color.BLACK);
+        g.drawRect(_startPosX + 24, _startPosY + 47, 48, 17);
+
+        // Основные катки
+        g.setColor(Color.BLACK);
+        g.drawOval(_startPosX + 15, _startPosY + 47, 17, 17);
+        g.drawOval(_startPosX + 63, _startPosY + 47, 17, 17);
+
+        g.setColor(EntityBulldozer.getBodyColor());
+        g.fillOval(_startPosX + 15, _startPosY + 47, 17, 17);
+        g.fillOval(_startPosX + 63, _startPosY + 47, 17, 17);
+
+        // Малые катки
+        g.setColor(Color.BLACK);
+        g.drawOval(_startPosX + 40, _startPosY + 48, 5, 5);
+        g.drawOval(_startPosX + 50, _startPosY + 48, 5, 5);
+
+        g.setColor(EntityBulldozer.getBodyColor());
+        g.fillOval(_startPosX + 40, _startPosY + 48, 5, 5);
+        g.fillOval(_startPosX + 50, _startPosY + 48, 5, 5);
+
+        int x = _startPosX;
+        if (drawingRollers != null && drawingRollers.getRollersCount() != null){
+            switch (drawingRollers.getRollersCount()){
+                case OneRoller:
+                    drawingRollers.DrawRollers(g,x + 34, _startPosY + 55, 8, 8, EntityBulldozer.getBodyColor());
+                    break;
+                case TwoRollers:
+                    drawingRollers.DrawRollers(g,x + 34, _startPosY + 55, 8, 8, EntityBulldozer.getBodyColor());
+                    drawingRollers.DrawRollers(g,x + 44, _startPosY + 55, 8, 8, EntityBulldozer.getBodyColor());
+                    break;
+                case ThreeRollers:
+                    drawingRollers.DrawRollers(g,x + 34, _startPosY + 55, 8, 8, EntityBulldozer.getBodyColor());
+                    drawingRollers.DrawRollers(g,x + 44, _startPosY + 55, 8, 8, EntityBulldozer.getBodyColor());
+                    drawingRollers.DrawRollers(g,x + 54, _startPosY + 55, 8, 8, EntityBulldozer.getBodyColor());
+                    break;
+            }
+        }
+    }
+}

src/Drawings/DrawingExcavator.java

@@ -0,0 +1,73 @@
+package Drawings;
+
+import DifferentRollers.IDifferentRollers;
+import Entities.EntityExcavator;
+
+import java.awt.*;
+
+public class DrawingExcavator extends DrawingBulldozer{
+
+    public DrawingExcavator(int speed, double weight, Color bodyColor, Color additionalColor, boolean prop, boolean ladle){
+        EntityBulldozer = new EntityExcavator(speed, weight, bodyColor, additionalColor, prop, ladle);
+        SetTypeRollers();
+    }
+
+    public DrawingExcavator(EntityExcavator entity, IDifferentRollers rollers) {
+        EntityBulldozer = entity;
+        drawingRollers = rollers;
+    }
+
+    // Отрисовка Экскаватора
+    @Override
+    public void DrawTransport(Graphics2D g){
+        if (EntityBulldozer == null || !(EntityBulldozer instanceof EntityExcavator excavator) || _startPosX == null || _startPosY == null){
+            return;
+        }
+        super.DrawTransport(g);
+        if (excavator.getProp()){
+            g.setColor(Color.BLACK);
+            //Опоры
+            //справа
+            g.drawRect(_startPosX + 80, _startPosY + 40, 11, 3);
+            g.drawRect(_startPosX + 87, _startPosY + 43, 5, 25);
+            g.drawRect(_startPosX + 84, _startPosY + 68, 11, 3);
+
+            //слева
+            g.drawRect(_startPosX + 6, _startPosY + 40, 13, 3);
+            g.drawRect(_startPosX + 4, _startPosY + 43, 5, 25);
+            g.drawRect(_startPosX + 1, _startPosY + 68, 11, 3);
+
+            g.setColor(excavator.getAdditionalColor());
+            //покраска справа
+            g.fillRect(_startPosX + 81, _startPosY + 41, 10, 2);
+            g.fillRect(_startPosX + 88, _startPosY + 44, 4, 24);
+            g.fillRect(_startPosX + 85, _startPosY + 69, 10, 2);
+
+            //покраска слева
+            g.fillRect(_startPosX + 7, _startPosY + 41, 12, 2);
+            g.fillRect(_startPosX + 5, _startPosY + 44, 4, 24);
+            g.fillRect(_startPosX + 2, _startPosY + 69, 10, 2);
+        }
+
+        if(excavator.getLadle()){
+            g.setColor(Color.BLACK);
+            //Ковш
+            //ковш(стрела)
+            g.drawRect(_startPosX + 77, _startPosY + 17, 14, 8);
+            g.drawRect(_startPosX + 91, _startPosY + 9, 20, 7);
+            g.drawRect(_startPosX + 111, _startPosY + 17, 9, 20);
+
+            int[] pointsLadleX = {_startPosX + 120, _startPosX + 104, _startPosX + 120};
+            int[] pointsLadleY = {_startPosY + 37, _startPosY + 54, _startPosY + 54};
+
+            Polygon Ladle = new Polygon(pointsLadleX, pointsLadleY, 3);
+            g.drawPolygon(Ladle);
+            g.setColor(excavator.getAdditionalColor());
+            g.fillPolygon(Ladle);
+            //покраска
+            g.fillRect(_startPosX + 78, _startPosY + 18, 13, 7);
+            g.fillRect(_startPosX + 92, _startPosY + 10, 19, 6);
+            g.fillRect(_startPosX + 112, _startPosY + 18, 8, 19);
+        }
+    }
+}

src/Entities/EntityBulldozer.java

@@ -0,0 +1,20 @@
+package Entities;
+
+import java.awt.*;
+
+public class EntityBulldozer {
+    private Integer Speed;
+    private Double Weight;
+    private Color BodyColor;
+
+    public Color getBodyColor() {
+        return BodyColor;
+    }
+    public double Step;
+    public EntityBulldozer(int speed, double weight, Color bodyColor){
+        Speed = speed;
+        Weight = weight;
+        BodyColor = bodyColor;
+        Step = Speed * 100 / Weight;
+    }
+}

src/Entities/EntityExcavator.java

@@ -0,0 +1,24 @@
+package Entities;
+
+import java.awt.*;
+
+public class EntityExcavator extends EntityBulldozer{
+    private Color AdditionalColor;
+    public Color getAdditionalColor(){
+        return AdditionalColor;
+    }
+    public boolean Prop;
+    public boolean getProp(){
+        return Prop;
+    }
+    public boolean Ladle;
+    public boolean getLadle(){
+        return Ladle;
+    }
+    public EntityExcavator(int speed, double weight, Color bodyColor, Color additionalColor, boolean prop, boolean ladle){
+        super(speed, weight, bodyColor);
+        AdditionalColor = additionalColor;
+        Prop = prop;
+        Ladle = ladle;
+    }
+}

src/FormAdditionalCollection.java

@@ -0,0 +1,148 @@
+import CollectionAdditionalObjects.AdditionalCollections;
+import CollectionGenericObjects.AbstractCompany;
+import DifferentRollers.DrawingRollersCross;
+import DifferentRollers.DrawingRollersPlus;
+import DifferentRollers.DrawingRollersStar;
+import DifferentRollers.IDifferentRollers;
+import Drawings.DrawingBulldozer;
+import Drawings.CanvasExcavator;
+import Drawings.DrawingExcavator;
+import Entities.EntityBulldozer;
+import Entities.EntityExcavator;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.util.Random;
+
+public class FormAdditionalCollection extends JFrame {
+    public DrawingBulldozer drawingBulldozer = null;
+    private AbstractCompany company = null;
+    private CanvasExcavator canvasExc = new CanvasExcavator();
+    private AdditionalCollections<EntityBulldozer, IDifferentRollers> additionalCollection = null;
+    private Random random = new Random();
+    private JButton buttonCreate = new JButton("Создать");
+    private JButton buttonAdd = new JButton("Добавить");
+    private JList<String> listEntity = new JList<String>();
+    private JList<String> listRollers = new JList<String>();
+    public FormAdditionalCollection() {
+        setTitle("Случайный объект");
+        setMinimumSize(new Dimension(650,310));
+        additionalCollection = new AdditionalCollections<EntityBulldozer, IDifferentRollers>(3, (Class) EntityBulldozer.class, (Class) IDifferentRollers.class);
+        AddEntities();
+        AddRollers();
+
+        buttonCreate.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                drawingBulldozer = additionalCollection.CreateAdditionalCollectionBulldozer();
+                drawingBulldozer.SetPictureSize(getWidth(), getHeight());
+                drawingBulldozer.SetPosition(50, 50);
+                canvasExc._drawingBulldozer = drawingBulldozer;
+                canvasExc.repaint();
+                
+                String[] data1 = new String[additionalCollection.CountEntities];
+                    for (int i = 0; i < additionalCollection.CountEntities; i++) {
+                        EntityBulldozer entity = additionalCollection._collectionEntity[i];
+                        data1[i] = ToString(entity);
+                    }
+                    String[] data2 = new String[additionalCollection.CountRollers];
+                    for (int i = 0; i < additionalCollection.CountRollers; i++) {
+                        IDifferentRollers rollers = additionalCollection._collectionRollers[i];
+                        data2[i] = ToString(rollers);
+                    }
+                    listEntity.setListData(data1);
+                    listRollers.setListData(data2);
+            }
+        });
+
+        buttonAdd.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if (drawingBulldozer != null) {
+                    DrawingBulldozer copyBulldozer;
+                    if (drawingBulldozer instanceof DrawingExcavator)
+                        copyBulldozer = new DrawingExcavator((EntityExcavator) drawingBulldozer.EntityBulldozer, drawingBulldozer.drawingRollers);
+                    else
+                        copyBulldozer = new DrawingBulldozer(drawingBulldozer.EntityBulldozer, drawingBulldozer.drawingRollers);
+                    company._collection.Insert(copyBulldozer);
+                    FormBulldozerCollection.canvasShow();
+                }
+            }
+        });
+        buttonCreate.setBounds(300, 10, 100, 50);
+        buttonAdd.setBounds(450, 10, 100, 50);
+        add(buttonCreate);
+        add(buttonAdd);
+        listEntity.setBounds(10,200,300,60);
+        listRollers.setBounds(320,200,300,60);
+        add(listEntity);
+        add(listRollers);
+        add(canvasExc);
+        setVisible(true);
+    }
+    private String ToString(EntityBulldozer entity) {
+        String str = "";
+        if (entity instanceof EntityExcavator) str += "EntityExcavator ";
+        else str += "EntityBulldozer ";
+        str += entity.getBodyColor().toString();
+        return str;
+    }
+    private String ToString(IDifferentRollers rollers) {
+        if (rollers == null || rollers.getRollersCount() == null)
+            return "Dont have rollers";
+        String str = "Rollers ";
+        if (rollers instanceof DrawingRollersCross) str += "Type Cross ";
+        else if (rollers instanceof DrawingRollersPlus) str += "Type Plus ";
+        else str += "Type Star ";
+        str += rollers.getRollersCount().toString();
+        return str;
+    }
+    public void AddEntities() {
+        for (int i = 0; i < additionalCollection.CountEntities; i++) {
+            random = new Random();
+            int speed = random.nextInt(100, 300);
+            double weight = random.nextInt(1000, 3000);
+            Color bodycolor = new Color(random.nextInt(256), random.nextInt(256), random.nextInt(256));
+            EntityBulldozer entity;
+            if (random.nextBoolean()) {
+                entity = new EntityBulldozer(speed, weight, bodycolor);
+            }
+            else {
+                Color additionalcolor = new Color(random.nextInt(256), random.nextInt(256), random.nextInt(256));
+                boolean prop = random.nextBoolean();
+                boolean ladle = random.nextBoolean();
+                entity = new EntityExcavator(speed, weight, bodycolor,
+                        additionalcolor, prop, ladle);
+            }
+            additionalCollection.Insert(entity);
+        }
+    }
+    public void AddRollers() {
+        for (int i = 0; i < additionalCollection.CountRollers; i++) {
+            random = new Random();
+            Integer numberOfRollers = random.nextInt(0, 4);
+            IDifferentRollers drawingRollers = null;
+            switch (random.nextInt(0,4)) {
+                case 1:
+                    drawingRollers = new DrawingRollersCross();
+                    break;
+                case 2:
+                    drawingRollers = new DrawingRollersPlus();
+                    break;
+                case 3:
+                    drawingRollers = new DrawingRollersStar();
+                    break;
+                default:
+                    numberOfRollers = null;
+                    break;
+            }
+            if (drawingRollers != null) drawingRollers.setRollersCount(numberOfRollers);
+            additionalCollection.Insert(drawingRollers);
+        }
+    }
+    void setCompany(AbstractCompany company) {
+        this.company = company;
+    }
+}

src/FormBulldozerCollection.java

@@ -0,0 +1,204 @@
+import CollectionGenericObjects.AbstractCompany;
+import CollectionGenericObjects.BulldozerSharingService;
+import CollectionGenericObjects.MassiveGenericObjects;
+import Drawings.CanvasFormBulldozerCollection;
+import Drawings.DrawingBulldozer;
+import Drawings.DrawingExcavator;
+
+import javax.swing.*;
+import javax.swing.text.MaskFormatter;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.text.ParseException;
+import java.util.Random;
+
+import static java.lang.Integer.parseInt;
+
+public class FormBulldozerCollection extends JFrame{
+    private String title;
+    private Dimension dimension;
+    public static CanvasFormBulldozerCollection<DrawingBulldozer> _canvasExcavator = new CanvasFormBulldozerCollection<DrawingBulldozer>();
+    private static AbstractCompany _company = null;
+    private JButton CreateExcButton = new JButton("Создать экскаватор");
+    private JButton CreateBullButton = new JButton("Создать бульдозер");
+    private JButton RemoveButton = new JButton("Удалить");
+    private JButton GoToCheckButton = new JButton("Тест");
+    private JButton RandomButton = new JButton("Случайный объект");
+    private JButton RefreshButton = new JButton("Обновить");
+    private JComboBox ComboBoxCollections = new JComboBox(new String[]{"", "Хранилище"});
+    private JFormattedTextField MaskedTextField;
+    public FormBulldozerCollection(String title, Dimension dimension) {
+        this.title = title;
+        this.dimension = dimension;
+    }
+    public static void canvasShow() {
+        _company.SetPosition();
+        _canvasExcavator.SetCollectionToCanvas(_company);
+        _canvasExcavator.repaint();
+    }
+    private void CreateObject(String typeOfClass) {
+        if (_company == null) return;
+        int speed = (int)(Math.random() * 300 + 100);
+        double weight = (double)(Math.random() * 3000 + 1000);
+        Color bodyColor = getColor();
+        DrawingBulldozer drawingBulldozer;
+        switch (typeOfClass) {
+            case "DrawingBulldozer":
+                drawingBulldozer = new DrawingBulldozer(speed, weight, bodyColor);
+                break;
+            case "DrawingExcavator":
+                Color additionalColor = getColor();
+                boolean prop = new Random().nextBoolean();
+                boolean ladle = new Random().nextBoolean();
+                drawingBulldozer = new DrawingExcavator(speed, weight, bodyColor, additionalColor, prop, ladle);
+                break;
+            default: return;
+        }
+        if (_company._collection.Insert(drawingBulldozer, 0) != -1) {
+            JOptionPane.showMessageDialog(null, "Объект добавлен");
+            canvasShow();
+        }
+        else {
+            JOptionPane.showMessageDialog(null, "Объект не удалось добавить");
+        }
+    }
+    public Color getColor() {
+        Color initializator = new Color((int)(Math.random() * 255 + 0),(int)(Math.random() * 255 + 0),(int)(Math.random() * 255 + 0));
+        Color color = JColorChooser.showDialog(this, "Выберите цвет", initializator);
+        return color;
+    }
+    public void Init() {
+        setTitle(title);
+        setMinimumSize(dimension);
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+        MaskFormatter mask = null;
+        try {
+            mask = new MaskFormatter("##");
+            mask.setPlaceholder("00");
+        } catch (ParseException e) {
+            throw new RuntimeException(e);
+        }
+
+        MaskedTextField = new JFormattedTextField(mask);
+
+        ComboBoxCollections.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                switch (ComboBoxCollections.getSelectedItem().toString()) {
+                    case "Хранилище":
+                        _company = new BulldozerSharingService(getWidth()-200, getHeight()-70, new MassiveGenericObjects<DrawingBulldozer>());
+                        break;
+                }
+            }
+        });
+
+        CreateBullButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                CreateObject("DrawingBulldozer");
+            }
+        });
+        CreateExcButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                CreateObject("DrawingExcavator");
+            }
+        });
+
+        RemoveButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if (_company == null || MaskedTextField.getText() == null) {
+                    return;
+                }
+                int pos = parseInt(MaskedTextField.getText());
+                int resultConfirmDialog = JOptionPane.showConfirmDialog(null,
+                        "Удалить", "Удаление",
+                        JOptionPane.YES_NO_OPTION);
+                if (resultConfirmDialog == JOptionPane.NO_OPTION) return;
+                if (_company._collection.Remove(pos) != null) {
+                    JOptionPane.showMessageDialog(null, "Объект удален");
+                    canvasShow();
+                }
+                else {
+                    JOptionPane.showMessageDialog(null, "Объект не удалось удалить");
+                }
+            }
+        });
+
+        GoToCheckButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if (_company == null)
+                {
+                    return;
+                }
+                DrawingBulldozer bulldozer = null;
+                int counter = 100;
+                while (bulldozer == null)
+                {
+                    bulldozer = _company.GetRandomObject();
+                    counter--;
+                    if (counter <= 0)
+                    {
+                        break;
+                    }
+                }
+                if (bulldozer == null)
+                {
+                    return;
+                }
+                FormExcavator form = new FormExcavator("Экскаватор", new Dimension(900,565));
+                form.Init(bulldozer);
+            }
+        });
+
+        RandomButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if (_company == null)
+                {
+                    return;
+                }
+                FormAdditionalCollection form = new FormAdditionalCollection();
+                form.setCompany(_company);
+            }
+        });
+
+        RefreshButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if (_company == null)
+                {
+                    return;
+                }
+                canvasShow();
+            }
+        });
+
+        _canvasExcavator.setBounds(0, 0, getWidth()-200, getHeight());
+        ComboBoxCollections.setBounds(getWidth()-190, 10, 150, 20);
+        CreateBullButton.setBounds(getWidth()-190, 60, 150, 30);
+        CreateExcButton.setBounds(getWidth()-190, 100, 150, 30);
+        MaskedTextField.setBounds(getWidth()-190,200,150,30);
+        RemoveButton.setBounds(getWidth()-190, 240, 150, 30);
+        GoToCheckButton.setBounds(getWidth()-190, 280, 150, 30);
+        RandomButton.setBounds(getWidth()-190, 320, 150, 30);
+        RefreshButton.setBounds(getWidth()-190, getHeight()-90, 150, 30);
+
+        setSize(dimension.width,dimension.height);
+        setLayout(null);
+        add(_canvasExcavator);
+        add(ComboBoxCollections);
+        add(CreateBullButton);
+        add(CreateExcButton);
+        add(MaskedTextField);
+        add(RemoveButton);
+        add(GoToCheckButton);
+        add(RandomButton);
+        add(RefreshButton);
+        setVisible(true);
+    }
+}

src/FormExcavator.java

@@ -0,0 +1,135 @@
+import Drawings.*;
+import MovementStrategy.*;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+public class FormExcavator extends JFrame {
+    private String title;
+    private Dimension dimension;
+    private int Width, Height;
+    private CanvasExcavator canvasExcavator = new CanvasExcavator();
+    private JButton UpButton = new JButton();
+    private JButton DownButton = new JButton();
+    private JButton LeftButton = new JButton();
+    private JButton RightButton = new JButton();
+    private AbstractStrategy _strategy;
+    private JComboBox ComboBoxStrategy = new JComboBox(new String[]{"К центру", "К краю"});
+    private JButton ButtonStrategy = new JButton("Шаг");
+    public FormExcavator(String title, Dimension dimension) {
+        this.title = title;
+        this.dimension = dimension;
+    }
+
+    public void Init(DrawingBulldozer bulldozer) {
+        setTitle(title);
+        setMinimumSize(dimension);
+
+        Width = getWidth() - 15;
+        Height = getHeight() - 35;
+        ComboBoxStrategy.setEnabled(true);
+        _strategy = null;
+        canvasExcavator._drawingBulldozer = bulldozer;
+
+        Icon iconUp = new ImageIcon("res/up.png");
+        UpButton.setIcon(iconUp);
+        UpButton.setName("Up");
+        DownButton.setName("Down");
+        Icon iconDown = new ImageIcon("res/down.png");
+        DownButton.setIcon(iconDown);
+        LeftButton.setName("Left");
+        Icon iconLeft = new ImageIcon("res/left.png");
+        LeftButton.setIcon(iconLeft);
+        RightButton.setName("Right");
+        Icon iconRight = new ImageIcon("res/right.png");
+        RightButton.setIcon(iconRight);
+
+        ButtonStrategy.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if (canvasExcavator._drawingBulldozer == null) return;
+                if (ComboBoxStrategy.isEnabled())
+                {
+                    int index = ComboBoxStrategy.getSelectedIndex();
+                    switch(index)
+                    {
+                        case 0:
+                            _strategy = new MoveToCenter();
+                            break;
+                        case 1:
+                            _strategy = new MoveToBorder();
+                            break;
+                        default:
+                            _strategy = null;
+                            break;
+                    }
+                    if (_strategy == null)
+                    {
+                        return;
+                    }
+                    _strategy.SetData(new MoveableExcavator(canvasExcavator._drawingBulldozer), Width, Height);
+                }
+                if (_strategy == null)
+                {
+                    return;
+                }
+                ComboBoxStrategy.setEnabled(false);
+                _strategy.MakeStep();
+                if (_strategy.GetStatus() == StrategyStatus.Finish)
+                {
+                    ComboBoxStrategy.setEnabled(true);
+                    _strategy = null;
+                }
+            }
+        });
+
+        ActionListener actionListener = new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent event) {
+                if (canvasExcavator._drawingBulldozer == null) return;
+                boolean result = false;
+                switch ((((JButton)(event.getSource())).getName())) {
+                    case "Up":
+                        result = canvasExcavator._drawingBulldozer.MoveTransport(DirectionType.Up);
+                        break;
+                    case "Down":
+                        result = canvasExcavator._drawingBulldozer.MoveTransport(DirectionType.Down);
+                        break;
+                    case "Left":
+                        result = canvasExcavator._drawingBulldozer.MoveTransport(DirectionType.Left);
+                        break;
+                    case "Right":
+                        result = canvasExcavator._drawingBulldozer.MoveTransport(DirectionType.Right);
+                        break;
+                }
+                if (result) {
+                    canvasExcavator.repaint();
+                }
+            }
+        };
+        UpButton.addActionListener(actionListener);
+        DownButton.addActionListener(actionListener);
+        LeftButton.addActionListener(actionListener);
+        RightButton.addActionListener(actionListener);
+
+        setSize(dimension.width,dimension.height);
+        setLayout(null);
+        canvasExcavator.setBounds(0,0, getWidth(), getHeight());
+        UpButton.setBounds(getWidth() - 110, getHeight() - 135, 35, 35);
+        DownButton.setBounds(getWidth() - 110, getHeight() - 85, 35, 35);
+        RightButton.setBounds(getWidth() - 60, getHeight() - 85, 35, 35);
+        LeftButton.setBounds(getWidth() - 160, getHeight() - 85, 35, 35);
+        ComboBoxStrategy.setBounds(getWidth() - 170, 10, 140, 25);
+        ButtonStrategy.setBounds(getWidth() - 130, 45, 100, 25);
+        add(UpButton);
+        add(DownButton);
+        add(RightButton);
+        add(LeftButton);
+        add(ButtonStrategy);
+        add(ComboBoxStrategy);
+        add(canvasExcavator);
+        setVisible(true);
+    }
+}

src/Main.java

@@ -1,5 +0,0 @@
-public class Main {
-    public static void main(String[] args) {
-        System.out.println("Hello world!");
-    }
-}

src/MovementStrategy/AbstractStrategy.java

@@ -0,0 +1,56 @@
+package MovementStrategy;
+
+public abstract class AbstractStrategy {
+    private IMoveableObjects _moveableObject;
+    private StrategyStatus _state = StrategyStatus.NotInit;
+    public int FieldWidth;
+    public int FieldHeight;
+    public StrategyStatus GetStatus() {return _state;}
+    public void SetData(IMoveableObjects moveableObjects, int width, int height)
+    {
+        if (moveableObjects == null)
+        {
+            _state = StrategyStatus.NotInit;
+            return;
+        }
+        _state = StrategyStatus.InProgress;
+        _moveableObject = moveableObjects;
+        FieldWidth = width;
+        FieldHeight = height;
+    }
+    public void MakeStep()
+    {
+        if (_state != StrategyStatus.InProgress) return;
+        if (IsTargetDestination())
+        {
+            _state = StrategyStatus.Finish;
+            return;
+        }
+        MoveToTarget();
+    }
+    protected boolean MoveLeft() {return MoveTo(MovementDirection.Left);}
+    protected boolean MoveRight() {return MoveTo(MovementDirection.Right);}
+    protected boolean MoveUp() {return MoveTo(MovementDirection.Up);}
+    protected boolean MoveDown() {return MoveTo(MovementDirection.Down);}
+    protected ObjectParameters GetObjectParameters() {return _moveableObject.GetObjectPosition();}
+    protected Integer GetStep()
+    {
+        if (_state != StrategyStatus.InProgress)
+        {
+            return null;
+        }
+        return _moveableObject.GetStep();
+    }
+    protected abstract void MoveToTarget();
+    protected abstract boolean IsTargetDestination();
+    private boolean MoveTo(MovementDirection movementDirection)
+    {
+        if (_state != StrategyStatus.InProgress)
+        {
+            return false;
+        }
+        boolean stateTryMoveObject = _moveableObject.TryMoveObject(movementDirection);
+        if (stateTryMoveObject) return stateTryMoveObject;
+        return false;
+    }
+}

src/MovementStrategy/IMoveableObjects.java

@@ -0,0 +1,7 @@
+package MovementStrategy;
+
+public interface IMoveableObjects {
+    ObjectParameters GetObjectPosition();
+    int GetStep();
+    boolean TryMoveObject(MovementDirection direction);
+}

src/MovementStrategy/MoveToBorder.java

@@ -0,0 +1,26 @@
+package MovementStrategy;
+
+public class MoveToBorder extends AbstractStrategy{
+    @Override
+    protected boolean IsTargetDestination(){
+        ObjectParameters objParams = GetObjectParameters();
+        if (objParams == null){
+            return false;
+        }
+        return objParams.RightBorder + GetStep() >= FieldWidth - GetStep() && objParams.DownBorder + GetStep() >= FieldHeight - GetStep();
+    }
+
+    @Override
+    protected void MoveToTarget(){
+        ObjectParameters objParams = GetObjectParameters();
+        if (objParams == null)
+        {
+            return;
+        }
+        //реализация в правый нижний угол
+        int x = objParams.RightBorder;
+        if (x + GetStep() < FieldWidth) MoveRight();
+        int y = objParams.DownBorder;
+        if (y + GetStep() < FieldHeight) MoveDown();
+    }
+}

src/MovementStrategy/MoveToCenter.java

@@ -0,0 +1,48 @@
+package MovementStrategy;
+
+public class MoveToCenter extends AbstractStrategy{
+    @Override
+    protected boolean IsTargetDestination() {
+        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;
+    }
+    @Override
+    protected 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();
+            }
+        }
+    }
+}

src/MovementStrategy/MoveableExcavator.java

@@ -0,0 +1,45 @@
+package MovementStrategy;
+
+import Drawings.CanvasExcavator;
+import Drawings.DrawingBulldozer;
+import Drawings.DirectionType;
+
+public class MoveableExcavator implements IMoveableObjects{
+    private CanvasExcavator canvas = new CanvasExcavator();
+    public MoveableExcavator(DrawingBulldozer drawingBulldozer){
+        canvas._drawingBulldozer = drawingBulldozer;
+    }
+
+    @Override
+    public ObjectParameters GetObjectPosition() {
+        if (canvas._drawingBulldozer == null || canvas._drawingBulldozer.EntityBulldozer == null ||
+                canvas._drawingBulldozer.GetPosX() == null || canvas._drawingBulldozer.GetPosY() == null)
+        {
+            return null;
+        }
+        return new ObjectParameters(canvas._drawingBulldozer.GetPosX(), canvas._drawingBulldozer.GetPosY(),
+                canvas._drawingBulldozer.GetWidth(), canvas._drawingBulldozer.GetHeight());
+    }
+    @Override
+    public int GetStep() {
+        return (int)(canvas._drawingBulldozer.EntityBulldozer.Step);
+    }
+    @Override
+    public boolean TryMoveObject(MovementDirection direction) {
+        if (canvas._drawingBulldozer == null || canvas._drawingBulldozer.EntityBulldozer == null)
+        {
+            return false;
+        }
+        return canvas._drawingBulldozer.MoveTransport(GetDirectionType(direction));
+    }
+    private static DirectionType GetDirectionType(MovementDirection direction)
+    {
+        switch (direction) {
+            case Left: return DirectionType.Left;
+            case Right: return DirectionType.Right;
+            case Up: return DirectionType.Up;
+            case Down: return DirectionType.Down;
+            default: return DirectionType.Unknow;
+        }
+    }
+}

src/MovementStrategy/MovementDirection.java

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

src/MovementStrategy/ObjectParameters.java

@@ -0,0 +1,27 @@
+package MovementStrategy;
+
+public class ObjectParameters {
+    private int _x;
+    private int _y;
+    private int _width;
+    private int _height;
+    public int LeftBorder = _x;
+    public int TopBorder = _y;
+    public int RightBorder = _x + _width;
+    public int DownBorder = _y + _height;
+    public int ObjectMiddleHorizontal = _x + _width / 2;
+    public int ObjectMiddleVertical = _y + _height / 2;
+    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/MovementStrategy/StrategyStatus.java

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

src/Program.java

@@ -0,0 +1,9 @@
+import java.awt.*;
+
+public class Program {
+    public static void main(String[] args) {
+        FormBulldozerCollection form = new FormBulldozerCollection("Коллекция экскаваторов", new Dimension(1100, 650));
+        form.Init();
+        form.setLocationRelativeTo(null);
+    }
+}