Respawn back at the old position.

Question

Hi! I am a newbie trying to learn creating a game for my fyp. So my game about a maze game (using a fpc) and inside the maze, there consist several checkpoint that triggers when player collide with the checkpoint. The problem right now is that after the player finished inside the checkpoint's scene (2D game) and go back to the main game scene, they always respawn at the exact first place of the starting game. I am trying to make them respawn back near the checkpoint that they have finished. I tried using the save and load player position data but it doesn't work. Please help me. Thank you.

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 
 public class SavePlayerPos : MonoBehaviour
 {
     public GameObject player;
 
     private void Start()
     {
         if(PlayerPrefs.GetInt("Saved") == 1 && PlayerPrefs.GetInt("TimeToLoad") == 1)
         {
             float pX = player.transform.position.x;
             float pY = player.transform.position.y;
             float pZ = player.transform.position.z;
 
             pX = PlayerPrefs.GetFloat("p_x");
             pY = PlayerPrefs.GetFloat("p_y");
             pZ = PlayerPrefs.GetFloat("p_z");
 
             player.transform.position = new Vector3(pX, pY, pZ);
 
             PlayerPrefs.SetInt("TimeToLoad", 0);
             PlayerPrefs.Save();
         }
     }
     public void PlayerPosSave()
     {
         PlayerPrefs.SetFloat("p_x", player.transform.position.x);
         PlayerPrefs.SetFloat("p_y", player.transform.position.y);
         PlayerPrefs.SetFloat("p_z", player.transform.position.z);
 
         PlayerPrefs.SetInt("Saved", 1);
         PlayerPrefs.Save();
     }
 
     public void PlayerPosLoad()
     {
         PlayerPrefs.SetInt("TimeToLoad", 1);
         PlayerPrefs.Save();
     }
 }
 
 and this is my script for the object that triggers the changing scene
 
     using System.Collections;
     using System.Collections.Generic;
     using UnityEngine;
     using UnityEngine.SceneManagement;
     
     public class ChangeScene : MonoBehaviour
     {
     
         SavePlayerPos playerPosData;
     
         void Start()
         {
             playerPosData = FindObjectOfType<SavePlayerPos>();
         }
     
         public void GoBackToGame1()
         {
             playerPosData.PlayerPosSave();
             playerPosData.PlayerPosLoad();
             SceneManager.LoadScene("Level 1");
         }

Answer 1

Answer by ziyadedris · Jun 25, 2021 at 03:54 PM

if you don't want to use playerprefs thing, you can watch this vid https://www.youtube.com/watch?v=ofCLJsSUom0&t=232s
it's also very simple

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Syaheera26 · Jun 26, 2021 at 06:13 AM 0

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Hi! I watched this video before but I can't get the concept. Like, in the video shown, they automatically respawn at the checkpoint. But what if I want to respawn at the place after I exited other scene? Thank you for the reply!

ziyadedris · Jun 26, 2021 at 08:59 AM 0

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but he uses the don't destroy on load method so the object that has the script doesn't get restarted when you restart the scene or open a new scene. also "But what if I want to respawn at the place after I exited other scene? " if you want, you can make the checkpoints not only store a position, you can also make them store a scene by using this code Scene MyScene = SceneManager.GetActiveScene(); SceneManager.LoadScene(MyScene.name);

and if you wanted to save the checkpoint even if the player left the game, you can make a timer and every time this timer hits 0 reset it and use player prefs to store the position and scene I hope you understand ( :

Syaheera26 ziyadedris · Jun 26, 2021 at 01:43 PM 0

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Oh, I will definitely note that down about the timer! Thank you! 1. Scene MyScene = SceneManager.GetActiveScene(); SceneManager.LoadScene(MyScene.name); related to this code here, should i attach this to the trigger to the other scene? Should I make it like void OnTriggerEnter(Collider other) { Scene MyScene = SceneManager.GetActiveScene(); SceneManager.LoadScene(MyScene.name); SceneManager.LoadScene("Game_2P4"); }

like this?

Answer 2

Answer by logicandchaos · Jun 25, 2021 at 05:24 PM

When you restart the game you have to reset the start position, if you sae the check point position, then set it to the start position. I sometimes use a script that saves the position in OnStart() or OnAwake() and then uses that position when ever the game restarts, that works great when you set up your player in your scene.

Vector3 startPos; Start(){ startPos=transform.position;}

RestartGame(){ transform.position=startPos;}

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Syaheera26 · Jun 26, 2021 at 06:22 AM 0

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Thank you for your reply! I have actually wrote down the concept that you mentioned inside the fps controller script but it doesn't work. I'm afraid I probably did it wrongly-

Respawn back at the old position.

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