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(_axis)
    ..scale(_motorImpulse + _impulse.z);
  final out = Vector2.copy(_perp)
    ..scale(_impulse.x)
    ..add(temp)
    ..scale(invDt);
  return out;
}