Exemplo n.º 1
0
  @Override
  protected void paintComponent(Graphics g) {
    super.paintComponent(g);
    Graphics2D gfx = (Graphics2D) g;
    gfx.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    // Clear screen
    gfx.setColor(Constants.BACKGROUND_COLOR);
    gfx.fillRect(0, 0, getWidth(), getHeight());
    // Render next frame
    grid.draw(gfx);
    // Trace path line
    if (tracing) {
      gfx.setColor(Constants.PATH_COLOR);
      gfx.setStroke(new BasicStroke(2));
      for (int i = 1; i < pathLine.size(); i++) {
        Coordinate p = pathLine.get(i - 1);
        Coordinate n = pathLine.get(i);
        gfx.drawLine(
            (Constants.TILESIZE + Constants.MARGIN) * p.x
                + (Constants.TILESIZE / 2)
                + Constants.MARGIN,
            (Constants.TILESIZE + Constants.MARGIN) * p.y
                + (Constants.TILESIZE / 2)
                + Constants.MARGIN,
            (Constants.TILESIZE + Constants.MARGIN) * n.x
                + (Constants.TILESIZE / 2)
                + Constants.MARGIN,
            (Constants.TILESIZE + Constants.MARGIN) * n.y
                + (Constants.TILESIZE / 2)
                + Constants.MARGIN);
      }
    }
  }