How to use the level.setCenterPosition function in level

if ('width' in data) {
            data.width *= settings.tilesize;
        }

        if ('height' in data) {
            data.height *= settings.tilesize;
        }

        for (var key in data) {
            if (!data.hasOwnProperty(key)) continue;
            entity[key] = data[key];
        }

        if (follow === origin) {
            require('level').setCenterPosition();
        }

        draw(origin);
    });