closestPointToPoint method
Implementation
Vector3 closestPointToPoint(Vector3 point, bool clampToLine, Vector3 target) {
  final t = closestPointToPointParameter(point, clampToLine);
  return delta(target)..scale(t)..add(start);
}Vector3 closestPointToPoint(Vector3 point, bool clampToLine, Vector3 target) {
  final t = closestPointToPointParameter(point, clampToLine);
  return delta(target)..scale(t)..add(start);
}