PanelMutante.java :  » MVC » titiritero » ar » uba » fi » algo3 » java2d » ejemplo2 » Java Open Source

package ar.uba.fi.algo3.java2d.ejemplo2;

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Panel;

public class PanelMutante extends Panel implements Runnable{

  private static final long serialVersionUID = 1L;
  private boolean hayQuePintar;
  private int radio;
  private int incremento;
  private boolean estoyPintando;
  private int centroX;
  private int centroY;

  public PanelMutante(){
    this.radio = 20;
    this.incremento = 5;
    this.estoyPintando = false;
    this.hayQuePintar = false;
  }

  @Override
  public void run() {
    
    if(this.estoyPintando)
      return;
    
    this.centroX= (int) this.getWidth() / 2;
    this.centroY= (int) this.getHeight()/ 2;
    this.hayQuePintar = true;
    this.estoyPintando = true;
    while(hayQuePintar){
      try {
        Thread.sleep(25);
      } catch (InterruptedException e) {
        e.printStackTrace();
      }
      this.centroX += this.incremento;
      if(this.centroX < 1 || this.centroX + this.radio > this.getWidth())
        this.incremento = this.incremento * -1;
      this.repaint();
    }
  }
        
  @Override
  public void paint(Graphics graphics){
    if(hayQuePintar){
      graphics.setColor(Color.BLUE);
      graphics.fillOval(this.centroX, this.centroY, this.radio, this.radio);
    }
    //super.paint(graphics);
  }  
}