using UnityEngine;

public class CenterOnNearestMarker : MonoBehaviour
{
    private void Center()
    {

        Vector2 position = OnlineMapsLocationService.instance.position;
        float bestSqrDistance = float.MaxValue;
        int bestIndex = -1;

        for (int i = 0; i < OnlineMapsMarkerManager.instance.Count; i++)
        {
            OnlineMapsMarker marker = OnlineMapsMarkerManager.instance[i];
            Vector2 markerPosition = marker.position;
            float sqrDistance = (markerPosition - position).sqrMagnitude;
            if (sqrDistance < bestSqrDistance)
            {
                bestSqrDistance = sqrDistance;
                bestIndex = i;
            }
        }

        if (bestIndex != -1)
        {
            OnlineMaps.instance.position = OnlineMapsMarkerManager.instance[bestIndex].position;
        }
    }

    private void OnGUI()
    {
        if (GUILayout.Button("Center")) Center();
    }
}

using System.Linq;
using UnityEngine;

public class DrawLineByMarkers : MonoBehaviour
{
    private void Start()
    {
        OnlineMapsDrawingLine line = new OnlineMapsDrawingLine(OnlineMapsMarkerManager.instance.items.Select(m => m.position).ToArray(), Color.red, 5);
        line.followRelief = true;
        OnlineMapsDrawingElementManager.AddItem(line);
    }
}