pointingRay property

Ray? get pointingRay

Ray from palm through index tip (for pointing/selection).

Implementation

Ray? get pointingRay {
  final palm = palmPosition;
  final indexTip = indexTipPosition;
  if (palm == null || indexTip == null) return null;
  final dir = (indexTip - palm)..normalize();
  return Ray.originDirection(indexTip, dir);
}