handleTouchStartDolly method

void handleTouchStartDolly()

Implementation

void handleTouchStartDolly() {
  final dx = pointers[0].pageX - pointers[1].pageX;
  final dy = pointers[0].pageY - pointers[1].pageY;
  final distance = math.sqrt(dx * dx + dy * dy);

  dollyStart.setValues(0, distance);
}