onTouchMove method

void onTouchMove(
  1. TouchEvent event
)

Implementation

void onTouchMove(dom.TouchEvent event) {
  if (disabled == true) {
    return;
  }

  final x = event.touches!.first.screen.x.round();
  _deltaX = prevX - x;
  prevX = x;

  dragOffset = math.max(-0.2, math.min(0.2, _deltaX.toDouble()));
}