function BruteForceBroadPhase(){

	    BroadPhase.call( this );
	    this.types = BR_BRUTE_FORCE;
	    //this.numProxies=0;
	    ///this.maxProxies = 256;
	    this.proxies = [];
	    //this.proxies.length = 256;

	}
A broad-phase algorithm with brute-force search.
This always checks for all possible pairs.