function DBVTBroadPhase(){

    BroadPhase.call( this);
    this.types = BR_BOUNDING_VOLUME_TREE;

    this.tree = new DBVT();
    this.stack = [];
    this.leaves = [];
    this.numLeaves = 0;

}
A broad-phase algorithm using dynamic bounding volume tree.
@author saharan
@author lo-th