public b2BroadPhase()
{
m_proxyCount = 0;
m_pairCapacity = 16;
m_pairCount = 0;
m_pairBuffer = new b2Pair[m_pairCapacity];
m_moveCapacity = 16;
m_moveCount = 0;
m_moveBuffer = new int[m_moveCapacity];
m_tree = new b2DynamicTree <b2FixtureProxy>();
}