MayDayR/PIbd22_Kamcharova_K.A._DoubleDeckerBus_Hard
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PIbd22_Kamcharova_K.A._lab2 #2

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MayDayR wants to merge 2 commits from lab2 into lab1
pull from: lab2
merge into: MayDayR:lab1
Conversation 0 Commits 2 Files Changed 16 +687 -58
16 changed files with 687 additions and 58 deletions
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139
src/Drawnings/DrawningBus.java Normal file
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@ -0,0 +1,139 @@
package Drawnings;
import java.awt.*;
import java.util.Random;
import Entities.*;
import MovementStrategy.*;
public class DrawningBus {
public EntityBus entityBus;
public IDrawningDoors _doors;
private int _pictureWidth;
private int _pictureHeight;
protected int _startPosX;
protected int _startPosY;
private int _busWidth = 185;
private int _busHeight = 115;
public int GetPosX() { return _startPosX; }
public int GetPosY() { return _startPosY; }
public int GetWidth() { return _busWidth; }
public int GetHeight() { return _busHeight; }
public DrawningBus(int speed, float weight, Color bodyColor, int countDoors, int width, int height) {
if (width < _busHeight || height < _busWidth)
return;
_pictureWidth = width;
_pictureHeight = height;
entityBus = new EntityBus(speed, weight, bodyColor);
Random random = new Random();
switch (random.nextInt(0,3)) {
case 0:
_doors = new DrawningDoorsRect();
break;
case 1:
_doors = new DrawningDoorsStar();
break;
case 2:
_doors = new DrawningDoorsCircle();
break;
default:
_doors = new DrawningDoorsRect();
break;
}
_doors.SetCount(countDoors);
}
public void SetPosition (int x, int y) {
if (x + _busWidth > _pictureWidth || y + _busHeight > _pictureHeight) {
_startPosX = _pictureWidth - _busWidth;
_startPosY = _pictureHeight - _busHeight;
}
else
{
_startPosX = x;
_startPosY = y;
}
}
public boolean CanMove(Direction direction)
{
if (entityBus == null)
{
return false;
}
switch (direction)
{
case Left:
return _startPosX - entityBus.Step > 0;
case Right:
return _startPosX + _busWidth + entityBus.Step < _pictureWidth;
case Up:
return _startPosY - entityBus.Step > 0;
case Down:
return _startPosY + _busHeight + entityBus.Step < _pictureHeight;
default:
return false;
}
}
public void MoveTransport(Direction direction){
if (entityBus == null) {
return;
}
switch (direction) {
case Left:
_startPosX -= entityBus.Step;
break;
case Right:
_startPosX += entityBus.Step;
break;
case Up:
_startPosY -= entityBus.Step;
break;
case Down:
_startPosY += entityBus.Step;
break;
}
}
public void DrawTransport(Graphics2D g) {
if (entityBus == null) {
return;
}
//тело
g.setColor(entityBus.getBodyColor());
g.fillRect(_startPosX + 147, _startPosY + 52, 21, 20);
g.fillRect(_startPosX + 147, _startPosY + 71, 30, 27);
g.fillRect(_startPosX + 10, _startPosY + 52, 137, 46);
g.setColor(Color.BLACK);
g.drawRect(_startPosX + 147, _startPosY + 52, 21, 20);
g.drawRect(_startPosX + 147, _startPosY + 71, 30, 27);
g.drawRect(_startPosX + 10, _startPosY + 52, 137, 46);
g.setColor(Color.blue);
g.fillRect(_startPosX + 150, _startPosY + 55, 15, 15);
g.fillRect(_startPosX + 42, _startPosY + 55, 15, 15);
g.fillRect(_startPosX + 69, _startPosY + 55, 15, 15);
g.fillRect(_startPosX + 96, _startPosY + 55, 15, 15);
g.fillRect(_startPosX + 123, _startPosY + 55, 15, 15);
g.setColor(Color.BLACK);
g.drawLine(_startPosX + 30, _startPosY + 52, _startPosX + 30, _startPosY + 98);
g.drawLine(_startPosX + 35, _startPosY + 52, _startPosX + 35, _startPosY + 98);
//колёса
g.fillOval(_startPosX + 23, _startPosY + 88, 25, 25);
g.fillOval(_startPosX + 123, _startPosY + 88, 25, 25);
g.setColor(Color.gray);
g.fillOval(_startPosX + 25, _startPosY + 90, 21, 21);
g.fillOval(_startPosX + 125, _startPosY + 90, 21, 21);
// двери
_doors.Draw(g, _startPosX, _startPosY);
}
}

10
src/Drawnings/DrawningDoorsCircle.java Normal file
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@ -0,0 +1,10 @@
package Drawnings;
import java.awt.*;
public class DrawningDoorsCircle extends DrawningDoorsRect {
protected void drawDoor(Graphics2D g, int posX, int posY){
g.setColor(Color.gray);
g.fillOval(posX, posY, 12, 20);
}
}

46
src/Drawnings/DrawningDoorsRect.java Normal file
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@ -0,0 +1,46 @@
package Drawnings;
import java.awt.*;
import Entities.*;
public class DrawningDoorsRect implements IDrawningDoors {
private CountDoors _wheel;
public CountDoors getCount()
{
return _wheel;
}
public void SetCount (int count) {
switch (count) {
case 2:
_wheel = CountDoors.Three;
break;
case 3:
_wheel = CountDoors.Four;
break;
case 4:
_wheel = CountDoors.Five;
break;
default:
_wheel = CountDoors.Three;
break;
}
}
protected void drawDoor(Graphics2D g, int posX, int posY){
g.setColor(Color.gray);
g.fillRect(posX,posY, 12, 20);
}
public void Draw (Graphics2D g, int _startPosX, int _startPosY) {
drawDoor(g,_startPosX + 40, _startPosY + 75);
drawDoor(g, _startPosX + 60, _startPosY + 75);
drawDoor(g, _startPosX + 80, _startPosY + 75);
if (_wheel == CountDoors.Three) {
return;
}
drawDoor(g, _startPosX + 100, _startPosY + 75);
if (_wheel == CountDoors.Four) {
return;
}
drawDoor(g, _startPosX + 120, _startPosY + 75);
}
}

12
src/Drawnings/DrawningDoorsStar.java Normal file
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@ -0,0 +1,12 @@
package Drawnings;
import java.awt.*;
public class DrawningDoorsStar extends DrawningDoorsRect {
protected void drawDoor(Graphics2D g, int posX, int posY) {
int[] StarX = {posX + 6, posX + 8, posX + 12, posX + 8, posX + 6, posX + 4, posX, posX + 4};
int[] StarY = {posY, posY + 6, posY + 10, posY + 14, posY + 20, posY + 14, posY + 10, posY + 6};
g.setColor(Color.gray);
g.fillPolygon(StarX, StarY, StarX.length);
}
}

54
src/Drawnings/DrawningDoubleDeckerBus.java Normal file
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@ -0,0 +1,54 @@
package Drawnings;
import Entities.EntityDoubleDeckerBus;
import java.awt.*;
public class DrawningDoubleDeckerBus extends DrawningBus {
public DrawningDoubleDeckerBus(int speed, float weight, Color bodyColor, int countWheels, Color additionalColor, boolean isSecondFloor, boolean isStairs, int width, int height)
{
super(speed, weight, bodyColor, countWheels, width, height);
if (entityBus != null) {
entityBus = new EntityDoubleDeckerBus(speed, weight, bodyColor, additionalColor, isSecondFloor, isStairs);
}
}
@Override
public void DrawTransport(Graphics2D g) {
if (entityBus == null)
{
return;
}
super.DrawTransport(g);
Color additionalColor = ((EntityDoubleDeckerBus) entityBus).getAdditionalColor();
// 2 этаж
if (((EntityDoubleDeckerBus) entityBus).IsSecondFloor()) {
g.setColor(additionalColor);
g.fillRect(_startPosX + 7, _startPosY + 12, 172, 40); //большой прямоугольник
g.setColor(Color.BLACK);
g.drawRect(_startPosX + 7, _startPosY + 12, 172, 40);
g.drawLine(_startPosX + 7, _startPosY + 36, _startPosX + 178, _startPosY + 36);
g.setColor(Color.blue);
g.fillRect(_startPosX + 15, _startPosY + 15, 15, 15);
g.fillRect(_startPosX + 42, _startPosY + 15, 15, 15);
g.fillRect(_startPosX + 69, _startPosY + 15, 15, 15);
g.fillRect(_startPosX + 96, _startPosY + 15, 15, 15);
g.fillRect(_startPosX + 123, _startPosY + 15, 15, 15);
g.fillRect(_startPosX + 150, _startPosY + 15, 15, 15);
}
// лестница
if (((EntityDoubleDeckerBus) entityBus).IsStairs()) {
g.setColor(Color.BLACK);
g.drawLine(_startPosX + 10, _startPosY + 55, _startPosX + 34, _startPosY + 55);
g.drawLine(_startPosX + 10, _startPosY + 58, _startPosX + 34, _startPosY + 58);
g.drawLine(_startPosX + 10, _startPosY + 64, _startPosX + 34, _startPosY + 64);
g.drawLine(_startPosX + 10, _startPosY + 72, _startPosX + 34, _startPosY + 72);
g.drawLine(_startPosX + 10, _startPosY + 80, _startPosX + 34, _startPosY + 80);
g.drawLine(_startPosX + 10, _startPosY + 88, _startPosX + 34, _startPosY + 88);
g.drawLine(_startPosX + 10, _startPosY + 94, _startPosX + 34, _startPosY + 94);
}
}
}

10
src/Drawnings/IDrawningDoors.java Normal file
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@ -0,0 +1,10 @@
package Drawnings;
import java.awt.*;
import Entities.CountDoors;
public interface IDrawningDoors {
public CountDoors getCount();
public void SetCount (int count);
public void Draw (Graphics2D g, int _startPosX, int _startPoxY);
}

29
src/Entities/EntityBus.java
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@ -6,11 +6,7 @@ public class EntityBus {
private int Speed;
private float Weight;
private Color BodyColor;
private Color AdditionalColor;
private boolean IsSecondFloor;
private boolean IsStairs;
public int Step;
public float Step;
public int getSpeed() {
return Speed;
@ -21,27 +17,14 @@ public class EntityBus {
public Color getBodyColor() {
return BodyColor;
}
public Color getAdditionalColor() {
return AdditionalColor;
}
public boolean IsSecondFloor() {
return IsSecondFloor;
}
public boolean IsStairs() {
return IsStairs;
}
public void Init(int speed, float weight, Color bodyColor, Color additionalColor, boolean isSecondFloor, boolean isStairs)
public EntityBus(int speed, float weight, Color bodyColor)
{
Weight = weight;
Speed = speed;
BodyColor = bodyColor;
Weight = weight;
Speed = speed;
BodyColor = bodyColor;
AdditionalColor = additionalColor;
IsSecondFloor = isSecondFloor;
IsStairs = isStairs;
Step = Speed * 100 / (int) Weight;
Step = Speed * 100 / (int) Weight;
}
}

20
src/Entities/EntityDoubleDeckerBus.java Normal file
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@ -0,0 +1,20 @@
package Entities;
import java.awt.*;
public class EntityDoubleDeckerBus extends EntityBus {
private Color AdditionalColor;
private boolean IsSecondFloor;
private boolean IsStairs;
public EntityDoubleDeckerBus(int speed, float weight, Color bodyColor, Color additionalColor, boolean isSecondFloor, boolean isStairs) {
super(speed, weight, bodyColor);
AdditionalColor = additionalColor;
IsSecondFloor = isSecondFloor;
IsStairs = isStairs;
}
public Color getAdditionalColor() { return AdditionalColor; }
public boolean IsSecondFloor() { return IsSecondFloor; }
public boolean IsStairs() { return IsStairs; }
}

179
src/FormBus.java
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@ -7,62 +7,97 @@ import MovementStrategy.*;
public class FormBus extends JFrame {
private DrawingBus _drawingBus;
private Canvas canvas = new Canvas();
private int width;
private int height;
private DrawningBus _drawningBus;
private AbstractStrategy _abstractStrategy;
private Canvas canvas;
JLabel labelCount = new JLabel("Введите число дверей:");
private JTextField fieldCount = new JTextField();
private JButton buttonCreate;
// выбор кол-ва иллюминаторов
JLabel labelCount;
private JTextField fieldCount;
// выбор стратегии
JLabel labelStrategy;
JComboBox comboBoxStrategy;
JButton buttonStrategy;
private JButton buttonCreateBus;
private JButton buttonCreateDoubleDeckerBus;
private JButton buttonUp;
private JButton buttonDown;
private JButton buttonRight;
private JButton buttonLeft;
public FormBus() {
super("Создание автобуса");
super("Создание бензовоза");
InitializeComponent();
setVisible(true);
}
private void InitializeComponent()
{
buttonCreate = new JButton("Создать автобус");
canvas = new Canvas();
labelCount = new JLabel("Введите число дверей:");
fieldCount = new JTextField();
labelStrategy = new JLabel("Шаг стратегии:");
comboBoxStrategy = new JComboBox(new Integer[] {0, 1});
buttonStrategy = new JButton("Выбрать стратегию");
buttonStrategy.setMargin(new Insets(0, 0, 0, 0));
buttonCreateBus = new JButton("Создать автобус");
buttonCreateBus.setMargin(new Insets(0, 0, 0, 0));
buttonCreateDoubleDeckerBus = new JButton("Создать двухэтажный автобус");
buttonCreateDoubleDeckerBus.setMargin(new Insets(0, 0, 0, 0));
buttonUp = new JButton();
buttonUp.setName("up");
buttonUp.setIcon(new ImageIcon("images/KeyUp.png"));
buttonUp.setSize(48, 44);
buttonUp.setIcon(new ImageIcon("images\\KeyUp.png"));
buttonRight = new JButton();
buttonRight.setName("right");
buttonRight.setIcon(new ImageIcon("images/KeyRight.png"));
buttonRight.setSize(48, 44);
buttonRight.setIcon(new ImageIcon("images\\KeyRight.png"));
buttonLeft = new JButton();
buttonLeft.setName("left");
buttonLeft.setIcon(new ImageIcon("images/KeyLeft.png"));
buttonLeft.setSize(48, 44);
buttonLeft.setIcon(new ImageIcon("images\\KeyLeft.png"));
buttonDown = new JButton();
buttonDown.setName("down");
buttonDown.setIcon(new ImageIcon("images/KeyDown.png"));
buttonDown.setSize(48, 44);
buttonDown.setIcon(new ImageIcon("images\\KeyDown.png"));
setSize(800,500);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLayout(null);
buttonCreate.setBounds(12, 375, 170, 44);
buttonCreateBus.setBounds(12, 375, 146, 33);
buttonCreateDoubleDeckerBus.setBounds(182, 375, 146, 33);
labelCount.setBounds(42, 405, 240, 20);
fieldCount.setBounds(240, 407, 48, 20);
labelStrategy.setBounds(630, 20, 146, 33);
comboBoxStrategy.setBounds(630, 50, 146, 20);
buttonStrategy.setBounds(630, 80, 146, 33);
buttonUp.setBounds(679, 363, 48, 44);
buttonRight.setBounds( 728, 408, 48, 44);
buttonLeft.setBounds(630, 408, 48, 44);
buttonDown.setBounds( 679, 408, 48, 44);
labelCount.setBounds(12, 435, 240, 20);
fieldCount.setBounds(160, 437, 48, 20);
fieldCount.setBounds(150, 437, 48, 20);
canvas.setBounds(0,0,800, 460);
add(buttonCreate);
add(buttonCreateBus);
add(buttonCreateDoubleDeckerBus);
add(labelCount);
add(fieldCount);
add(labelStrategy);
add(comboBoxStrategy);
add(buttonStrategy);
add(buttonUp);
add(buttonRight);
add(buttonDown);
@ -71,14 +106,48 @@ public class FormBus extends JFrame {
add(fieldCount);
add(canvas);
buttonCreate.addActionListener(buttonCreateListener);
// логика формы
buttonCreateBus.addActionListener(buttonCreateBusListener);
buttonCreateDoubleDeckerBus.addActionListener(buttonCreateDoubleDeckerBusListener);
buttonStrategy.addActionListener(buttonStrategyListener);
buttonUp.addActionListener(buttonsMoveListener);
buttonRight.addActionListener(buttonsMoveListener);
buttonDown.addActionListener(buttonsMoveListener);
buttonLeft.addActionListener(buttonsMoveListener);
}
ActionListener buttonCreateListener = new ActionListener() {
ActionListener buttonCreateBusListener = new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
int countDoors;
try
{
countDoors = Integer.parseInt(fieldCount.getText());
}
catch (Exception ex)
{
countDoors = 0;
}
if (countDoors != 2 && countDoors != 3 && countDoors != 4)
{
JOptionPane.showMessageDialog(null, "Число должно быть равно 3, 4 или 5.\nКол-во дверей приравнено к 3");
countDoors = 2;
}
Random rand = new Random();
_drawningBus = new DrawningBus(rand.nextInt(200) + 100, rand.nextInt(2000) + 1000,
new Color(rand.nextInt(256),rand.nextInt(256),rand.nextInt(256)),
countDoors,
canvas.getWidth(), canvas.getHeight());
_drawningBus.SetPosition(rand.nextInt(100) + 10, rand.nextInt(100) + 10);
comboBoxStrategy.setEnabled(true);
canvas.repaint();
}
};
ActionListener buttonCreateDoubleDeckerBusListener = new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
int countDoors;
try
@ -96,15 +165,56 @@ public class FormBus extends JFrame {
}
Random rand = new Random();
_drawingBus = new DrawingBus();
_drawingBus.Init(rand.nextInt(200) + 100, rand.nextInt(2000) + 1000,
_drawningBus = new DrawningDoubleDeckerBus(rand.nextInt(200) + 100, rand.nextInt(2000) + 1000,
new Color(rand.nextInt(256),rand.nextInt(256),rand.nextInt(256)),
countDoors,
new Color(rand.nextInt(256), rand.nextInt(256), rand.nextInt(256)),
rand.nextBoolean(), rand.nextBoolean(),
countDoors,
canvas.getWidth(), canvas.getHeight());
_drawingBus.SetPosition(rand.nextInt(100) + 10, rand.nextInt(100) + 10);
_drawningBus.SetPosition(rand.nextInt(100) + 10, rand.nextInt(100) + 10);
comboBoxStrategy.setEnabled(true);
canvas.repaint();
}
};
ActionListener buttonStrategyListener = new ActionListener() {
@Override
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), canvas.getWidth(), canvas.getHeight());
comboBoxStrategy.setEnabled(false);
}
if (_abstractStrategy == null)
{
return;
}
_abstractStrategy.MakeStep();
if (_abstractStrategy.GetStatus() == Status.Finish)
{
comboBoxStrategy.setEnabled(true);
_abstractStrategy = null;
}
canvas.repaint();
}
};
@ -112,23 +222,23 @@ public class FormBus extends JFrame {
ActionListener buttonsMoveListener = new ActionListener() {
// реакция на нажатие
public void actionPerformed(ActionEvent e) {
if (_drawingBus == null)
if (_drawningBus == null)
{
return;
}
String command = ((JButton)(e.getSource())).getName();
switch (command) {
case "up":
_drawingBus.MoveTransport(Direction.Up);
_drawningBus.MoveTransport(Direction.Up);
break;
case "down":
_drawingBus.MoveTransport(Direction.Down);
_drawningBus.MoveTransport(Direction.Down);
break;
case "right":
_drawingBus.MoveTransport(Direction.Right);
_drawningBus.MoveTransport(Direction.Right);
break;
case "left":
_drawingBus.MoveTransport(Direction.Left);
_drawningBus.MoveTransport(Direction.Left);
break;
}
canvas.repaint();
@ -136,15 +246,14 @@ public class FormBus extends JFrame {
};
class Canvas extends JComponent{
public Canvas(){
}
public Canvas() {}
public void paintComponent (Graphics g){
if (_drawingBus == null){
if (_drawningBus == null){
return;
}
super.paintComponents (g);
super.paintComponents (g) ;
Graphics2D g2d = (Graphics2D)g;
_drawingBus.DrawTransport(g2d);
_drawningBus.DrawTransport(g2d);
super.repaint();
}
}

76
src/MovementStrategy/AbstractStrategy.java Normal file
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@ -0,0 +1,76 @@
package MovementStrategy;
public abstract class AbstractStrategy {
private IMoveableObject _moveableObject;
private Status _state = Status.NotInit;
protected int FieldWidth;
protected int FieldHeight;
public Status GetStatus() { return _state; }
// Изменить статус, установить поля
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;
}
// сделать шаг
public void MakeStep()
{
if (_state != Status.InProgress)
{
return;
}
if (IsTargetDestination())
{
_state = Status.Finish;
return;
}
MoveToTarget();
}
// перемещения
protected boolean MoveLeft() { return MoveTo(Direction.Left); }
protected boolean MoveRight() { return MoveTo(Direction.Right); }
protected boolean MoveUp() { return MoveTo(Direction.Up); }
protected boolean MoveDown() { return MoveTo(Direction.Down); }
// параметры
protected ObjectParameters GetObjectParameters() { return _moveableObject.GetObjectPosition(); }
// шаг
protected int GetStep()
{
if (_state != Status.InProgress)
{
return 0;
}
return _moveableObject.GetStep();
}
// перемещение
protected abstract void MoveToTarget();
// достигнута ли цель
protected abstract boolean IsTargetDestination();
// попытка перемещения по направлению
private boolean MoveTo(Direction directionType)
{
if (_state != Status.InProgress)
{
return false;
}
if (_moveableObject.CheckCanMove(directionType))
{
_moveableObject.MoveObject(directionType);
return true;
}
return false;
}
}

24
src/MovementStrategy/DrawningObjectBus.java Normal file
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@ -0,0 +1,24 @@
package MovementStrategy;
import Drawnings.*;
public class DrawningObjectBus implements IMoveableObject {
private DrawningBus _drawningBus = null;
public DrawningObjectBus(DrawningBus drawningBus)
{
_drawningBus = drawningBus;
}
public ObjectParameters GetObjectPosition()
{
if (_drawningBus == null || _drawningBus.entityBus == null)
{
return null;
}
return new ObjectParameters(_drawningBus.GetPosX(), _drawningBus.GetPosY(), _drawningBus.GetWidth(), _drawningBus.GetHeight());
}
public int GetStep() { return (int) _drawningBus.entityBus.Step; }
public boolean CheckCanMove(Direction direction) { return _drawningBus.CanMove(direction); }
public void MoveObject(Direction direction) { _drawningBus.MoveTransport(direction); }
}

8
src/MovementStrategy/IMoveableObject.java Normal file
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@ -0,0 +1,8 @@
package MovementStrategy;
public interface IMoveableObject {
ObjectParameters GetObjectPosition();
int GetStep();
boolean CheckCanMove(Direction direction);
void MoveObject(Direction direction);
}

53
src/MovementStrategy/MoveToBorder.java Normal file
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@ -0,0 +1,53 @@
package 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;
}
// движение к цели
@Override
protected void MoveToTarget()
{
var objParams = GetObjectParameters();
if (objParams == null)
{
return;
}
var diffX = FieldWidth;
if (Math.abs(diffX) > GetStep())
{
if (diffX < 0)
{
MoveLeft();
}
else
{
MoveRight();
}
}
var diffY = FieldHeight;
if (Math.abs(diffY) > GetStep())
{
if (diffY < 0)
{
MoveUp();
}
else
{
MoveDown();
}
}
}
}

53
src/MovementStrategy/MoveToCenter.java Normal file
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@ -0,0 +1,53 @@
package 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.ObjectMiddleVertical() <= FieldHeight / 2 &&
objParams.ObjectMiddleVertical() + GetStep() >= FieldHeight / 2;
}
// движение к цели
@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();
}
}
}
}

25
src/MovementStrategy/ObjectParameters.java Normal file
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@ -0,0 +1,25 @@
package MovementStrategy;
public class ObjectParameters {
private int _x;
private int _y;
private int _width;
private int _height;
public int LeftBorder() { return _x; }
public int TopBorder() { return _y; }
public int RightBorder() { return _x + _width; }
public int DownBorder() { return _y + _height; }
public int ObjectMiddleHorizontal () { return _x + _width / 2; }
public int ObjectMiddleVertical () { return _y + _height / 2; }
public ObjectParameters(int x, int y, int width, int height)
{
_x = x;
_y = y;
_width = width;
_height = height;
}
}

7
src/MovementStrategy/Status.java Normal file
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@ -0,0 +1,7 @@
package MovementStrategy;
public enum Status {
NotInit,
InProgress,
Finish
}