Bullet.java

import java.awt.*;

public class Bullet {
	
// Fields
 	
	private double x ;
	private double y ;
	private int r ;
	
	private double dx ;
	private double dy ;
	private double Speed ;
	private double Rad;
	
	private Color color1 ;
	
	
// Constructor 
   public Bullet (double angle, int x, int y )
   {
	
	this.x = x ;
    this.y = y ;
    r = 3 ;
    Speed = 6 ;
    Rad = Math.toRadians (angle);
	dx = Math.cos (Rad ) * Speed;
	dy = Math.sin (Rad) * Speed;
	
	
	color1 = Color.YELLOW ;
   } 

 //Functions
    public double getx() {return x ;}
	public double gety() {return y; }
	public double getr() {return r ;}   
 
 public boolean update(){
	 x += dx ;
	 y += dy ;
	 
	 if (x < -r || x > GamePanel.WIDTH + r
	  || y < -r || y > GamePanel.HEIGHT + r ){
		  return true ;
	  }
	  return false ;
 }
 public void draw (Graphics2D g){
	 
	 g.setColor (color1);
	 g.fillOval((int) (x - r) , (int) (y - r) , 2 * r , 2 * r );
  }
	
	
}