Slider balancing

example.c

// Psuedocode
void OnSliderChange() {
  int slider2val = Slider2.val();
  int slider3val = Slider3.val();
  float slider2proportion = slider2val / (slider2val + slider3val);

  int totalRemaining = 180 - Slider1.val();
  Slider2.setValue((int) totalRemaining * slider2proportion);
  Slider3.setValue(totalRemaining - Slider2.val());
}