import org.jbox2d.callbacks.ParticleQueryCallback; //导入依赖的package包/类
public void queryAABB(ParticleQueryCallback callback, final AABB aabb) {
  if (m_proxyCount == 0) {
    return;
  }

  final float lowerBoundX = aabb.lowerBound.x;
  final float lowerBoundY = aabb.lowerBound.y;
  final float upperBoundX = aabb.upperBound.x;
  final float upperBoundY = aabb.upperBound.y;
  int firstProxy =
      lowerBound(m_proxyBuffer, m_proxyCount,
          computeTag(m_inverseDiameter * lowerBoundX, m_inverseDiameter * lowerBoundY));
  int lastProxy =
      upperBound(m_proxyBuffer, m_proxyCount,
          computeTag(m_inverseDiameter * upperBoundX, m_inverseDiameter * upperBoundY));
  for (int proxy = firstProxy; proxy < lastProxy; ++proxy) {
    int i = m_proxyBuffer[proxy].index;
    final Vec2 p = m_positionBuffer.data[i];
    if (lowerBoundX < p.x && p.x < upperBoundX && lowerBoundY < p.y && p.y < upperBoundY) {
      if (!callback.reportParticle(i)) {
        break;
      }
    }
  }
}
 

import org.jbox2d.callbacks.ParticleQueryCallback; //导入依赖的package包/类
/**
 * Query the world for all fixtures and particles that potentially overlap the provided AABB.
 * 
 * @param callback a user implemented callback class.
 * @param particleCallback callback for particles.
 * @param aabb the query box.
 */
public void queryAABB(QueryCallback callback, ParticleQueryCallback particleCallback, AABB aabb) {
  wqwrapper.broadPhase = m_contactManager.m_broadPhase;
  wqwrapper.callback = callback;
  m_contactManager.m_broadPhase.query(wqwrapper, aabb);
  m_particleSystem.queryAABB(particleCallback, aabb);
}