Scriptum/Assets/Scripts/PlayerPosition.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class PlayerPosition : MonoBehaviour
{
    public float x, y, z;

    public void SavePosition()
    {
        x = transform.position.x;
        y = transform.position.y;
        z = transform.position.z;

        PlayerPrefs.SetFloat("player.position.x", x);
        PlayerPrefs.SetFloat("player.position.y", y);
        PlayerPrefs.SetFloat("player.position.z", z);
    }

    public void LoadPosition()
    {
        x = PlayerPrefs.GetFloat("player.position.x");
        y = PlayerPrefs.GetFloat("player.position.y");
        z = PlayerPrefs.GetFloat("player.position.z");

        Vector3 LoadPosition = new Vector3(x, y, z);
        transform.position = LoadPosition;
    }

    void Start()
    {
        if (OnMapAppearanceMethod.Gateway == OnMapAppearanceMethodEnum.LoadGame)
        {
            LoadPosition();
        }
    }

}