How to use

BroadPhase

in

org.jbox2d.collision.broadphase

public void createProxies(BroadPhase broadPhase, final Transform xf) {
 assert (m_proxyCount == 0);
 // Create proxies in the broad-phase.
 m_proxyCount = m_shape.getChildCount();
 for (int i = 0; i < m_proxyCount; ++i) {
  FixtureProxy proxy = m_proxies[i];
  m_shape.computeAABB(proxy.aabb, xf, i);
  proxy.proxyId = broadPhase.createProxy(proxy.aabb, proxy);
  proxy.fixture = this;
  proxy.childIndex = i;
 }
}

/**
 * Internal method
 * 
 * @param broadPhase
 */
public void destroyProxies(BroadPhase broadPhase) {
 // Destroy proxies in the broad-phase.
 for (int i = 0; i < m_proxyCount; ++i) {
  FixtureProxy proxy = m_proxies[i];
  broadPhase.destroyProxy(proxy.proxyId);
  proxy.proxyId = BroadPhase.NULL_PROXY;
 }
 m_proxyCount = 0;
}

/**
 * Get the number of broad-phase proxies.
 * 
 * @return
 */
public int getProxyCount() {
 return m_contactManager.m_broadPhase.getProxyCount();
}

  for (int i = 0; i < f.m_proxyCount; ++i) {
   FixtureProxy proxy = f.m_proxies[i];
   AABB aabb = m_contactManager.m_broadPhase.getFatAABB(proxy.proxyId);
   if (aabb != null) {
    Vec2[] vs = avs.get(4);
m_contactManager.m_broadPhase.drawTree(m_debugDraw);

public boolean treeCallback(int nodeId) {
 FixtureProxy proxy = (FixtureProxy) broadPhase.getUserData(nodeId);
 return callback.reportFixture(proxy.fixture);
}

/**
 * Gets the height of the dynamic tree
 * 
 * @return
 */
public int getTreeHeight() {
 return m_contactManager.m_broadPhase.getTreeHeight();
}

/**
 * Gets the balance of the dynamic tree
 * 
 * @return
 */
public int getTreeBalance() {
 return m_contactManager.m_broadPhase.getTreeBalance();
}

/**
 * Gets the quality of the dynamic tree
 * 
 * @return
 */
public float getTreeQuality() {
 return m_contactManager.m_broadPhase.getTreeQuality();
}

displacement.y = transform2.p.y - transform1.p.y;
broadPhase.moveProxy(proxy.proxyId, proxy.aabb, displacement);

  for (int i = 0; i < f.m_proxyCount; ++i) {
   FixtureProxy proxy = f.m_proxies[i];
   AABB aabb = m_contactManager.m_broadPhase.getFatAABB(proxy.proxyId);
   if (aabb != null) {
    Vec2[] vs = avs.get(4);
m_contactManager.m_broadPhase.drawTree(m_debugDraw);

public float raycastCallback(RayCastInput input, int nodeId) {
 Object userData = broadPhase.getUserData(nodeId);
 FixtureProxy proxy = (FixtureProxy) userData;
 Fixture fixture = proxy.fixture;
 int index = proxy.childIndex;
 boolean hit = fixture.raycast(output, input, index);
 if (hit) {
  float fraction = output.fraction;
  // Vec2 point = (1.0f - fraction) * input.p1 + fraction * input.p2;
  temp.set(input.p2).mulLocal(fraction);
  point.set(input.p1).mulLocal(1 - fraction).addLocal(temp);
  return callback.reportFixture(fixture, point, output.normal, fraction);
 }
 return input.maxFraction;
}

/**
 * Gets the height of the dynamic tree
 * 
 * @return
 */
public int getTreeHeight() {
 return m_contactManager.m_broadPhase.getTreeHeight();
}

/**
 * Gets the balance of the dynamic tree
 * 
 * @return
 */
public int getTreeBalance() {
 return m_contactManager.m_broadPhase.getTreeBalance();
}

/**
 * Gets the quality of the dynamic tree
 * 
 * @return
 */
public float getTreeQuality() {
 return m_contactManager.m_broadPhase.getTreeQuality();
}

displacement.y = transform2.p.y - transform1.p.y;
broadPhase.moveProxy(proxy.proxyId, proxy.aabb, displacement);

  for (int i = 0; i < f.m_proxyCount; ++i) {
   FixtureProxy proxy = f.m_proxies[i];
   AABB aabb = m_contactManager.m_broadPhase.getFatAABB(proxy.proxyId);
   Vec2[] vs = avs.get(4);
   vs[0].set(aabb.lowerBound.x, aabb.lowerBound.y);
m_contactManager.m_broadPhase.drawTree(m_debugDraw);

public boolean treeCallback(int nodeId) {
 FixtureProxy proxy = (FixtureProxy) broadPhase.getUserData(nodeId);
 return callback.reportFixture(proxy.fixture);
}

/**
 * Gets the height of the dynamic tree
 * 
 * @return
 */
public int getTreeHeight() {
 return m_contactManager.m_broadPhase.getTreeHeight();
}

/**
 * Gets the balance of the dynamic tree
 * 
 * @return
 */
public int getTreeBalance() {
 return m_contactManager.m_broadPhase.getTreeBalance();
}

public void createProxies(BroadPhase broadPhase, final Transform xf) {
 assert (m_proxyCount == 0);
 // Create proxies in the broad-phase.
 m_proxyCount = m_shape.getChildCount();
 for (int i = 0; i < m_proxyCount; ++i) {
  FixtureProxy proxy = m_proxies[i];
  m_shape.computeAABB(proxy.aabb, xf, i);
  proxy.proxyId = broadPhase.createProxy(proxy.aabb, proxy);
  proxy.fixture = this;
  proxy.childIndex = i;
 }
}