Controller 001 alpha : Examples : slider_event_2

Controller controller;
BFont font;
int n1, n2;

void setup()
{
  size(200, 200);
  framerate(25);

  font = loadFont("OCR-B.vlw.gz");
  textFont(font, 128);
  textMode(ALIGN_CENTER);
  
  controller = new Controller(this, "hsliders: 4; vsliders: 4");
}

void loop()
{
  background(32, 0, 127);

  fill(160, 160, 0);
  text(nf(n1, 3), width / 2, 88);

  rect(0, height / 2, width, height / 2);
  fill(32, 0, 127);
  text(nf(n2, 3), width / 2, 188);
}

void controllerUpdated(ControllerEvent e)
{
  if (e.getMessage() == "VALUE")
  {
    XSlider source = (XSlider) e.getSource();

    if (e.getSource().getGroup() == controller.hsliders)
    {
      n1 = (int) round(source.getValue() * 100);  // when converting floats to ints, it's better to do rounding before
    }
    else if (e.getSource().getGroup() == controller.vsliders)
    {
      n2 = (int) round(source.getValue() * 100);
    }
  }
}

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