GameState.cs

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

public class GameState : MonoBehaviour {

	public static Player currentPlayer = ScriptableObject.CreateInstance<Player>();
	public static bool PlayerReturningHome = true;
	public static Dictionary<string, Vector3> LastScenePositions = new Dictionary<string, Vector3>();
		
	public static Vector3 GetLastScenePosition(string sceneName) {
		if (GameState.LastScenePositions.ContainsKey(sceneName)) {
			var lastPos = GameState.LastScenePositions[sceneName];
			return lastPos;
		}else{
			return Vector3.zero;
		}
	}

	public static void SetLastScenePosition(string sceneName, Vector3 position) {
		if (GameState.LastScenePositions.ContainsKey(sceneName)) {
			GameState.LastScenePositions[sceneName] = position;
		}else {
			GameState.LastScenePositions.Add(sceneName, position);
		}
	}
}