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/* * Bala.java * * Created on April 30, 2007, 8:36 PM * * To change this template, choose Tools | Template Manager * and open the template in the editor. *///package javaapplication4;import java.awt.*;import java.util.*;/** * * @author Administrator */public class Bala {        private int radio;    private int velX,velY,posX,posY;        Color color;        Random rnd = new Random ();        /** Creates a new instance of Bala */    public Bala() {        radio = 10;        velX = 5;        velY = 5;        posX = rnd.nextInt();        posY = rnd.nextInt();        color = Color.WHITE;    }        public void mueve() {        if (posX > 600-radio) {            velX = -5;        }        if (posX < radio) {            velX = 5;        }        if (posY > 400-radio) {            velY = -5;        }        if (posY < radio) {            velY = 5;        }        posX += velX;        posY += velY;    }        public void DibujaBala(Graphics g) {        g.setColor(color);        g.fillOval(posX-radio,posY-radio,radio*2,radio*2);    }    }