How to use

getSize

method

in

it.unibo.alchemist.model.interfaces.Environment

private double getEnvRatio() {
  final double[] size = model.getSize();
  return size[0] / size[1];
}

/**
 * Gets the viewHeight / envHeight ratio.<br>
 * NI = Not Isometric.
 * 
 * @return a <code>double</code> value representing the vertical ratio for
 *         Not Isometric mode
 */
private double getNIVerticalRatio() {
  if (mode == Mode.ISOMETRIC) {
    return 1d;
  } else if (mode == Mode.ADAPT_TO_VIEW) {
    return view.getHeight() / model.getSize()[1];
  } else {
    return vRate;
  }
}

/**
 * Gets the viewWidth / envWidth ratio.<br>
 * NI = Not Isometric.
 * 
 * @return a <code>double</code> value representing the horizontal ratio for
 *         Not Isometric mode
 */
private double getNIHorizontalRatio() {
  if (mode == Mode.ISOMETRIC) {
    return 1d;
  } else if (mode == Mode.ADAPT_TO_VIEW) {
    return view.getWidth() / model.getSize()[0];
  } else {
    return hRate;
  }
}

@Override
public void optimalZoom() {
  if (getEnvRatio() <= getViewRatio()) {
    zoom = Math.max(1, view.getHeight()) / model.getSize()[1];
  } else {
    zoom = Math.max(1, view.getWidth()) / model.getSize()[0];
  }
}

@Override
public void center() {
  final double[] off = getEnvironment().getOffset();
  final double[] size = getEnvironment().getSize();
  final PointAdapter center = isNaN(off[0]) || isNaN(off[1]) || size[0] <= 0 || size[1] <= 0
      ? from(0, 0)
      : from(off[0] + size[0] / 2, off[1] + size[1] / 2);
  setEnvPosition(center.toPosition());
}