import java.awt.Color; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.Rectangle; import java.awt.Shape; import java.awt.event.ActionEvent; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import java.util.ArrayList;

import javax.swing.JComponent;

import javafx.scene.layout.Pane; import javafx.scene.shape.Circle;

public class MovePlayer extends JComponent implements KeyListener { private Rectangle rect; private Graphics g; public MovePlayer(){ addKeyListener(this); setFocusable(true); setFocusTraversalKeysEnabled(false); } public void paintComponent(Graphics g){ this.g= g; Graphics2D g2 = (Graphics2D)g; keysDown = new ArrayList<>(); rect = new Rectangle(32,32,25,25); g2.draw(rect); g2.setColor(Color.black); g2.fill(rect); } public void dropBomb(Graphics g){ g.drawOval((int)rect.getCenterX(), (int)rect.getCenterY(), 10, 10); g.setColor(Color.RED); }

@Override public void keyPressed(KeyEvent e) { System.out.println("I am in"); if(!keysDown.contains(e.getKeyCode())){ keysDown.add(new Integer(e.getKeyCode())); } moveRect(); repaint(); } @Override public void keyReleased(KeyEvent e) { keysDown.remove(new Integer(e.getKeyCode())); } public void moveRect(){ int x = rect.x; int y = rect.y; if(keysDown.contains(KeyEvent.VK_UP)){ y -=2; } if(keysDown.contains(KeyEvent.VK_DOWN)){ y +=2; }if(keysDown.contains(KeyEvent.VK_LEFT)){ x -=2; }if(keysDown.contains(KeyEvent.VK_RIGHT)){ x +=2; }if(keysDown.contains(KeyEvent.VK_D)){ System.out.println("D button was pressed"); }if(keysDown.contains(KeyEvent.VK_S)){ System.out.println("S button was pressed"); } rect.setLocation(x, y); repaint(); } @Override public void keyTyped(KeyEvent e) { } }

public class Main {

public static void main(String[] args) {

JFrame frame = new JFrame("Window");

frame.setSize(new Dimension(800, 800));

frame.setLocationRelativeTo(null);

SwingUtilities.updateComponentTreeUI(frame);

frame.invalidate();

frame.validate();

frame.repaint();

MovePlayer mp = new MovePlayer();

frame.add(mp);

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.setVisible(true);

}

}

drawPanel class

import java.awt.Graphics;

import java.awt.event.KeyEvent;

import java.awt.event.KeyListener;

import java.io.File;

import java.util.ArrayList;

import javax.swing.JPanel;

public class DrawPanel extends JPanel {

private TileLayer layer;

private ArrayList level;

public DrawPanel(){

level = new ArrayList<>();

for(int i = 0;i<2;i++){

level.add("level"+(i+1)+".txt");

}

layer = TileLayer.FromFile(level.get(0));

}

@Override

public void paintComponent(Graphics g){

super.paintComponent(g);

layer.drawLayer(g);

}

}

THE QUESTION IS, WHEN THE FRAME GUI COMES OUT FIRST, IT PRINTS THE RECTANGLE BUT IT DOESN'T MOVE IT AS WE PLAY AROUND WITH THE ARROW KEYS. HOWEVER, IT PRINTS SOMETHING NEW AS WE PRESS AN ARROW KEY.