How to use

setTangentSpeed

method

in

org.jbox2d.dynamics.contacts.Contact

  public void setTangentSpeed (float speed) {
    contact.setTangentSpeed(speed);
  }
}

@Override
public void preSolve(Contact contact, Manifold oldManifold) {
 super.preSolve(contact, oldManifold);
 Fixture fixtureA = contact.getFixtureA();
 Fixture fixtureB = contact.getFixtureB();
 if (fixtureA == m_platform || fixtureB == m_platform) {
  contact.setTangentSpeed(5.0f);
 }
}

@Override
public void preSolve(Contact contact, Manifold oldManifold) {
 super.preSolve(contact, oldManifold);
 Fixture fixtureA = contact.getFixtureA();
 Fixture fixtureB = contact.getFixtureB();
 if (fixtureA == m_platform || fixtureB == m_platform) {
  contact.setTangentSpeed(5.0f);
 }
}