final static Tile[] essenceEntrances = {new Tile(2902,4842), new Tile(2919,4841), new Tile(2920,4821), new Tile(2902,4822) };

/********** RETURNS TILE OF CLOSEST ESSENCE ENTRANCE*****/
    public int closestEssence(Tile myLocation) {
    	int closestEssenceIndex = -1;
    	int closestDistance = 65535;
    	
    	for(int i=0; i<3; i++)
    	{
    		//if( myLocation.distanceTo(essenceEntrances[i])<closestDistance)
    		if( ((myLocation.x-essenceEntrances[i].x)^2 + (myLocation.y-essenceEntrances[i].y)^2) < closestDistance)
    		{ closestEssenceIndex = i;}
    	}//for
    	
    	return closestEssenceIndex;
    	
    }//closestessence