示例#1
0
  /**
   * Call this if you want to establish collision that was previously disabled by
   * ContactFilter::ShouldCollide.
   */
  public void refilter() {
    if (m_body == null) {
      return;
    }

    // Flag associated contacts for filtering.
    ContactEdge edge = m_body.getContactList();
    while (edge != null) {
      Contact contact = edge.contact;
      Fixture fixtureA = contact.getFixtureA();
      Fixture fixtureB = contact.getFixtureB();
      if (fixtureA == this || fixtureB == this) {
        contact.flagForFiltering();
      }
      edge = edge.next;
    }

    World world = m_body.getWorld();

    if (world == null) {
      return;
    }

    // Touch each proxy so that new pairs may be created
    BroadPhase broadPhase = world.m_contactManager.m_broadPhase;
    for (int i = 0; i < m_proxyCount; ++i) {
      broadPhase.touchProxy(m_proxies[i].proxyId);
    }
  }
 @Override
 public void destroy() {
   Body b = getBody();
   if (b != null) {
     b.getWorld().destroyBody(getBody());
   }
   if (getLayer() != null) {
     GroupLayer parent = getLayer().parent();
     if (parent != null) {
       parent.remove(getLayer());
     }
   }
 }