Codes :
(this is my first OOP program so don’t judge the mess you’re gonna see :
)
Control.java
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
public class Control implements KeyListener{
public static boolean right,left,shoot;
@Override
public void keyPressed(KeyEvent e) {
//moving the player
if(e.getKeyCode()==e.VK_RIGHT){
right=true;
}else if(e.getKeyCode()==e.VK_LEFT){
left=true;
}
//shooting bullets
if(e.getKeyCode()==e.VK_SPACE){
shoot=true;
}
}
@Override
public void keyReleased(KeyEvent e) {
if(e.getKeyCode()==e.VK_RIGHT){
right=false;
}else if(e.getKeyCode()==e.VK_LEFT){
left=false;
}
//shooting bullets
if(e.getKeyCode()==e.VK_SPACE){
shoot=false;
}
}
@Override
public void keyTyped(KeyEvent e) {
}
}
Bullet.java
import java.awt.Graphics;
import java.awt.Rectangle;
public class Bullet extends Rectangle {
public static int speed = 1,
x = Player.x + Player.width / 2,
y = Player.y;
public Bullet(int x, int y, int width, int height) {
x = this.x;
y = this.y;
this.setBounds(x, y, width, height);
}
public void draw(Graphics g) {
g.drawRect(x, y, width, height);
}
public void move(int speed) {
speed = this.speed;
this.y -= speed;
}
}
Screen.java
import java.awt.Color;
import java.awt.Graphics;
import java.util.ArrayList;
import javax.swing.JPanel;
public class Screen extends JPanel implements Runnable {
Thread thread = new Thread(this);
public static Ball ball;
public static Player player;
public static Control control;
public static Bullet bullet;
public static ArrayList<Bullet> bulletArray;
public static boolean isFirst = true;
public static int screenWidth, screenHeight, screenX, screenY, numBullet;
public Screen() {
define();
thread.start();
this.addKeyListener(control);
this.setFocusable(true);
}
public void define() {
control = new Control();
ball = new Ball(ball.x, ball.y, ball.height, ball.width);
player = new Player(player.x, player.y, player.width, player.height,
player.speed);
screenWidth = this.getWidth();
screenHeight = this.getHeight();
bulletArray = new ArrayList<Bullet>();
bullet = new Bullet(0, 0, 50, 50);
}
public void paintComponent(Graphics g) {
if (isFirst) {
define();
}
// drawing the background
g.setColor(new Color(0, 0, 0));
g.fillRect(screenX, 0, screenWidth, screenHeight);
// drawing the ball
g.setColor(new Color(250, 50, 0));
ball.move(ball.x, ball.y);
ball.draw(g);
// player
g.setColor(new Color(255, 255, 255));
player.draw(g);
player.move();
// creating bullets
if (control.shoot) {
numBullet++;
}
for (int i = 0; i < numBullet; i++) {
bullet = new Bullet(player.x, bullet.y, 5, 5);
bulletArray.add(bullet);
bulletArray.get(i).draw(g);
bulletArray.get(i).move(bullet.speed);
}
}
public void run() {
while (true) {
if (!isFirst) {
}
repaint();
try {
Thread.sleep(5);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
i don’t think you need the other classes
