/**
     * Shoots a bullet from the Player in the direction of the mouse.
     */
    public void shoot()
    {
        MouseInfo mouse = Greenfoot.getMouseInfo();
        
        if(mouse != null)
        {
            if(shootdelay >= 20)
            {
                Bullet b = new Bullet();
                getWorld().addObject(b, getX(), getY()); //Adds bullet at the Players X and Y.
                b.turnTowards(mouse.getX(), mouse.getY()); //Turns the bullet towards the mouse.
                b.move(getImage().getWidth() / 2); //Moves the bullet to the edge of the player.
                b.setRotation(getRotation() - 90); //Turns the rotation of the bullet to offset it.
                b.move(21); //Moves the bullet over to the gun.
                b.turnTowards(mouse.getX(), mouse.getY()); //Turns the bullet towards the mouse, again.
                shootdelay = 0; //Resets the shootdelay back to 0.
            }
        }
    }