Bouncing Ball Thing

gistfile1.java

/*
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 */
package me.thedeadlybutter.timeflip;

import java.awt.Color;
import java.awt.Graphics2D;
import java.util.Random;

/**
 *
 * @author Butters
 */
public class StateMainMenu implements State {

    Location l = new Location(20, 20);
    Vector v = new Vector(2, 2);
    int length = 16;
    Random r = new Random();
    
    public StateMainMenu() {
    }

    @Override
    public void init(Main main) {
        
    }

    @Override
    public void update(Main main, double delta) {
        l.subVector(v);
        if(l.getX() >= main.getW() || (l.getX() <= 0)){
            v.setX(v.getX() * -1);
        }
        if((l.getY() >= main.getH()) || (l.getY() <= 0)){
            v.setY(v.getY() * -1);
        }
    }

    @Override
    public void render(Main main, Graphics2D g) {
        //g.setColor(Color.white);
        //g.fillRect(0, 0, main.getWidth(), main.getHeight());
        g.setColor(new Color(r.nextInt(256), r.nextInt(256), r.nextInt(256)));
        if(r.nextBoolean()){
            g.fillRect(l.getX(), l.getY(), length, length);
        }
        else{
            g.fillOval(l.getX(), l.getY(), length, length);
        }
    }

    @Override
    public int getID() {
        return StateManager.MAIN_MENU_STATE;
    }
    
}