reactionForce method

  1. @override
Vector2 reactionForce(
  1. double invDt
)
override

Get the reaction force on body2 at the joint anchor in Newtons.

Implementation

@override
Vector2 reactionForce(double invDt) {
  final temp = Vector2.zero();
  temp
    ..setFrom(_ay)
    ..scale(_impulse);
  final result = Vector2.copy(_ax)
    ..setFrom(_ax)
    ..scale(_springImpulse)
    ..add(temp)
    ..scale(invDt);
  return result;
}