Respawn objects

Question

Hi! I have some cups in my game, and i wanted to respawn them. There are 10 cups exactly tagged as cup, each one has rigidbody and they all are children of an object named DRINKS. When the player move towards the cups or shoot them they are thrown by physics to a random location. The problem is that it is so funny that most people will want to do it a lot of times xD

So i have been searching, trying to learn how to make a script that in every frame detects the location of the cups, and respawn all of them if one of them or more have been moved.

I need to make it in the Update function, so it will search for movement in every frame, and i need to detect the objects. The problem is that i don't know how to detect if they have been moved and how to respawn them all if one or more moved from it's original position.

Here's a script that i have made for now, it's pretty basic bcs most of the code i don't know what to write.

 #pragma strict
 
 //No variables, there are too much cups to do such thing.
 
 function Update () //searches every frame.
 {
     GameObject.FindGameObjectWithTag("Cup"); //This will find all the cups (i guess).
 
     // Detect if they have moved??
     //Respawn them??
     
 }

I have read some pages that might have the info that i need but i still didn't get it. Here are the pages:

https://docs.unity3d.com/ScriptReference/GameObject.FindGameObjectsWithTag.html http://answers.unity3d.com/questions/374391/respawn-object.html http://answers.unity3d.com/questions/26856/check-object-for-motion.html

Can someone help me? I can't express how it would help me. It would be a big favour.

Answer 1

ok heres a brute force method, im sure theres a clever way of doing it.

 using UnityEngine;
 using System.Collections;
 
 public class cupMove : MonoBehaviour {
 
     // Use this for initialization
     public GameObject[] respawnCups;
     public Vector3[] originalPos;
     public bool[] moved;
     int arrayLength;
     public int maxMoved = 3;
     int numMoved = 0;
     void Start () {
     
             respawnCups = GameObject.FindGameObjectsWithTag("cup");
             int count = 0;
         arrayLength = respawnCups.Length;
         originalPos = new Vector3[arrayLength];
         moved = new bool[arrayLength];
 
     foreach (GameObject pos in respawnCups)
         {
             originalPos[count] = pos.transform.position;
             count++;
         }
     for (int i = 0; i < arrayLength; i++)
         {
             moved[i] = false;
         }
     }
 
     // Update is called once per frame
     void Update()
     {
         for (int i = 0; i < arrayLength; i++)
         {
             if (originalPos[i] != respawnCups[i].transform.position)
             {
                 if (!moved[i])
                 {
                     Debug.Log("Moved");
                     moved[i] = true;
                     numMoved++;
                 }
             }
         }
         if(numMoved > maxMoved)
         {
             for(int i = 0; i < arrayLength; i++)
             {
                 respawnCups[i].transform.position = originalPos[i];
                 moved[i] = false;
             }
             numMoved = 0;
         }
     }
         
         
 }

Respawn objects

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