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 distArray[4];
    	distArray[1] = (myLocation.x-essenceEntrances[1].x)^2 + (myLocation.y-essenceEntrances[1].y)^2);
    	distArray[2] = (myLocation.x-essenceEntrances[2].x)^2 + (myLocation.y-essenceEntrances[2].y)^2);
    	distArray[3] = (myLocation.x-essenceEntrances[3].x)^2 + (myLocation.y-essenceEntrances[3].y)^2);
    	distArray[4] = (myLocation.x-essenceEntrances[4].x)^2 + (myLocation.y-essenceEntrances[4].y)^2);

        // go through the distarray and find the smallest one
    	
    	return closestEssenceIndex;
    	
    }//closestessence