private void updateTile()
{
BSPTree.setTile((int)transform.position.x,(int)transform.position.z, 1);
BSPTree.setTile((int)transform.position.x+1,(int)transform.position.z, 1);
BSPTree.setTile((int)transform.position.x-1,(int)transform.position.z, 1);
BSPTree.setTile((int)transform.position.x,(int)transform.position.z+1, 1);
BSPTree.setTile((int)transform.position.x,(int)transform.position.z-1, 1);
surroundTilesWithWall((int)transform.position.x+1,(int)transform.position.z);
surroundTilesWithWall((int)transform.position.x-1,(int)transform.position.z);
surroundTilesWithWall((int)transform.position.x,(int)transform.position.z+1);
surroundTilesWithWall((int)transform.position.x,(int)transform.position.z-1);
}