source: galactic-heroes/Shot.java

import java.awt.image.ImageObserver;
import java.awt.Image;
import java.awt.Graphics;
import java.awt.image.BufferedImage;

public class Shot {
    private int x;
    private int y;
    private int speed;
    private int angle;
    private int damage;
    private BufferedImage pic;
    private long timeFired;
    private int xFired;
    private int yFired;
    
    public Shot() {
        this.x = 0;
        this.y = 0;
        this.speed = 0;
        this.damage = 0;
        this.pic = null;
        this.timeFired = System.currentTimeMillis();
        this.xFired = 0;
        this.yFired = 0;
    }
    
    public Shot(final int newX, final int newY, final int newDamage, final int newSpeed, final BufferedImage newPic) {
        this.x = newX;
        this.y = newY;
        this.speed = newSpeed;
        this.damage = newDamage;
        this.pic = newPic;
        this.timeFired = System.currentTimeMillis();
        this.xFired = newX;
        this.yFired = newY;
    }
    
    public void draw(final Graphics g) {
        this.y = (int)(this.yFired + (System.currentTimeMillis() - this.timeFired) * this.speed / 1000L);
        g.drawImage(this.pic, this.x - this.pic.getWidth() / 2, this.y - this.pic.getHeight() / 2, null);
    }
    
    public boolean outOfBounds() {
        return this.y + this.pic.getHeight() / 2 < 0 || this.y - this.pic.getHeight() / 2 > 600 || (this.x + this.pic.getWidth() / 2 < 0 || this.x - this.pic.getWidth() / 2 > 800);
    }
    
    public int getX() {
        return this.x;
    }
    
    public int getY() {
        return this.y;
    }
    
    public int getSpeed() {
        return this.speed;
    }
    
    public int getDamage() {
        return this.damage;
    }
    
    public BufferedImage getPic() {
        return this.pic;
    }
    
    public void setX(final int newX) {
        this.x = newX;
    }
    
    public void setY(final int newY) {
        this.y = newY;
    }
}