Spawning different random objects at the same position?

Questions & Answers
1

I’ve been trying to spawn two objects at random. But the random function generates only one random value at runtime, and so only one of the object gets spawned. I want both of them to spawn at random intervals. Help!

Thank You!

     public float SpawnTime;
     public GameObject Object1;
     public GameObject Object2;
     private int i;
 
     // Use this for initialization
     void Start () {
         i = Random.Range (1, 6);
 
         StartSpawn ();
     }
     
     
     void Update () {
         
 }
 
     public void StartSpawn() {
         if (i > 3) {
             
             InvokeRepeating ("SpawnObject1", 0.2f, SpawnTime);
         }
         else 
             InvokeRepeating ("SpawnObject2", 0.2f, SpawnTime);
 
     }
 
 
     void SpawnObject1(){
     
         Instantiate(Object1, new Vector3(transform.position.x,0,0), Quaternion.identity);
     }
 
     void SpawnObject2(){
 
         Instantiate(Object2, new Vector3(transform.position.x,0,0), Quaternion.identity);
     }
 
 }
2

Start() is executed once, that’s why you get only one random value.

  public float SpawnTime;
  public GameObject Object1;
  public GameObject Object2;

  // Use this for initialization
  void Start () {
      StartCoroutine(SpawnObject ());
  }
  
  public IEnumerator SpawnObject() {
      int i = Random.Range (1, 6);
      if (i > 3){
          Instantiate(Object1, new Vector3(transform.position.x,0,0), Quaternion.identity);
      }else{
          Instantiate(Object2, new Vector3(transform.position.x,0,0), Quaternion.identity);
      }
      yield return new WaitForSeconds(SpawnTime);
      StartCoroutine(SpawnObject ());
  }
3

If the only thing you want to randomise is the object you instantiate, there’s really no reason to have multiple different method calls. And if you want to spawn a different object every time, you should call Random.Range() every time you Instantiate, not just once when the app/level starts.

void SpawnRandomObject(){
          int i = Random.Range(1, 6);
          GameObject obj;
          if (i > 3){
               obj = Object1;
          } else {
               obj = Object2;
          }
          Instantiate(obj, new Vector3(transform.position.x,0,0), Quaternion.identity);
      }

Then just “InvokeRepeating” this one method.

Note that Random.Range with integers never returns the second parameter, so with (1, 6) it returns numbers 1, 2, 3, 4 and 5, making object 1 spawn less often than 2