I'm trying to get my bullet to shoot towards the mouse click but it just shoots directly towards the left from the players position here's the code i used:
Game Class (Main)
import java.awt.*;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.util.concurrent.CopyOnWriteArrayList;
import javax.swing.JFrame;
public class Game extends JFrame implements KeyListener, MouseListener
{
public Player player;
private Image image;
private Graphics graphics;
public int MouseX;
public int MouseY;
private Font Title = new Font("SansSerif",Font.BOLD,20);
private Font SubTitle = new Font("SansSerif",Font.BOLD,16);
private Font Text = new Font("SansSerif",Font.PLAIN,11);
public boolean playerUp = false;
public boolean playerDown = false;
public boolean playerLeft = false;
public boolean playerRight = false;
CopyOnWriteArrayList<Bullet> bullets = new CopyOnWriteArrayList();
public static void main(String args[]){
new Game();
}
public Game(){
//Properties of JF
setTitle("Ninjaa Fight!");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(697,670);
setResizable(false);
setVisible(true);
addKeyListener(this);
addMouseListener(this);
setLocationRelativeTo(null);
//Properties of P
player = new Player(150,520,90,90,100, "Images/Back S..jpg");
}
public void paint(Graphics g){
image = createImage(getWidth(), getHeight());
graphics = image.getGraphics();
paintComponent(graphics);
g.drawImage(image, 0, 0, null);
repaint();
g.drawRect(50, 50, 400, 570);
g.setFont(Title);
g.drawString("Ninjaa Fight!", 530, 70);
g.setFont(SubTitle);
g.drawString("Status", 530, 100);
g.setFont(Text);
g.drawString("Health: " + player.health, 530, 120);
g.drawString("x Position: " + player.xPos, 530, 135);
g.drawString("y Position: " + player.yPos, 530, 150);
g.drawString("Enemies Total: " + "5", 530, 165);
g.drawString("Enemies Defeated: " + "0", 530, 180);
g.drawString("Enemies Left: " + "5", 530, 195);
g.drawString("Level: " + "1", 530, 210);
g.drawString("Player: " + "Guang Hu An", 530, 225);
g.setFont(SubTitle);
g.drawString("Instructions", 530, 255);
g.setFont(Text);
g.drawString("Up: W", 530, 275);
g.drawString("Down: S", 530, 290);
g.drawString("Left: A", 530, 305);
g.drawString("Right: D", 530, 320);
g.drawString("Shoot: L", 530, 335);
g.drawString("Hit: K (Comming Soooon)", 530, 350);
g.drawString("Switch Player: J (Comming Soon)", 530, 365);
g.drawString("Credits: Areeb Raza - Designer, Coder and Programmer", 50, 640);
g.drawString("Copyright © 2015 by Areeb Raza", 50, 655);
}
public void paintComponent(Graphics g){
player.draw(g);
player.update(this);
for(Bullet bullet : bullets){
bullet.draw(g);
bullet.update(this);
}
}
public void keyPressed(KeyEvent e) {
if(e.getKeyCode() == e.VK_W){
playerUp = true;
}
if(e.getKeyCode() == e.VK_S){
playerDown = true;
}
if(e.getKeyCode() == e.VK_A){
playerLeft = true;
}
if(e.getKeyCode() == e.VK_D){
playerRight = true;
}
}
public void keyTyped(KeyEvent e) {
}
@Override
public void keyReleased(KeyEvent e) {
// TODO Auto-generated method stub
if(e.getKeyCode() == e.VK_W){
playerUp = false;
}
if(e.getKeyCode() == e.VK_S){
playerDown = false;
}
if(e.getKeyCode() == e.VK_A){
playerLeft = false;
}
if(e.getKeyCode() == e.VK_D){
playerRight = false;
}
}
@Override
public void mouseClicked(MouseEvent e) {
// TODO Auto-generated method stub
Bullet playerBullet = new Bullet(-1, player.getxPos(), player.getyPos(), 10, 10, "Images/Ninja Star.jpg");
bullets.add(playerBullet);
MouseX = e.getX();
MouseY = e.getY();
System.out.println("(" + MouseX + ", " + MouseY + ")");
}
@Override
public void mouseEntered(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mouseExited(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mousePressed(MouseEvent e) {
// TODO Auto-generated method stub
}
@Override
public void mouseReleased(MouseEvent e) {
// TODO Auto-generated method stub
}
}
Bullet Class
import java.awt.*;
public class Bullet extends GameObject {
private int deltaY;
public double xVelocity;
public double yVelocity;
public double angle;
public Bullet (final int deltaY, final int xPos, final int yPos, final int width, final int height, final String img) {
this.deltaY = deltaY;
this.xPos = xPos;
this.yPos = yPos;
this.img = getImage(img);
this.width = width;
this.height = height;
}
public void draw(Graphics g) {
g.drawImage(img, xPos, yPos, width, height, null);
}
void update(final Game g) {
double bulletVelocity = 1.0; //however fast you want your bullet to travel
//mouseX/Y = current x/y location of the mouse
//originX/Y = x/y location of where the bullet is being shot from
angle = Math.atan2(g.MouseX - g.player.getxPos(), g.MouseY - g.player.getyPos());
xVelocity = (bulletVelocity) * Math.cos(angle);
yVelocity = (bulletVelocity) * Math.sin(angle);
xPos += xVelocity;
xPos += yVelocity;
}
public int getDeltaY() {
return deltaY;
}
public void setDeltaY(int deltaY) {
this.deltaY = deltaY;
}
@Override
Image getImage(String img) {
// TODO Auto-generated method stub
return Toolkit.getDefaultToolkit().getImage(img);
}
}
