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Question by Rosscoe3 · Jun 21, 2015 at 11:30 AM · 2dspawnrandomspawningorigin

Spawn origin point!!

Hi there.. so I have created an object that spawns hazards continuously in a loop.. you can control how wide the spawn length is.. but you i can't seem to move it around.. here is the code i've written.

using UnityEngine; using System.Collections;

public class CloudScript : MonoBehaviour { public GameObject hazard; public Vector3 spawnValues; public int rainCount; public float spawnWait; public float startWait;

 void Start ()
 {
     StartCoroutine (SpawnWaves ());
 }

 IEnumerator SpawnWaves ()
 {
     yield return new WaitForSeconds (startWait);
     while (true)
     {

         for(int i = 0; i < rainCount; i++)
         {
             Vector3 spawnPosition = new Vector3 (Random.Range (-spawnValues.x, spawnValues.x), 1, 1);
             Quaternion spawnRotation = Quaternion.identity;
             Instantiate (hazard, spawnPosition, spawnRotation);
             yield return new WaitForSeconds (spawnWait);
         }
     }    
 }

}

Here is the problem i'm facing.. the script is attached to the cloud.. but when you move the cloud.. the spawn position stays the same.. alt text alt text

screen-shot-2015-06-20-at-75324-pm.png (63.5 kB)
screen-shot-2015-06-20-at-75307-pm.png (64.5 kB)
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Answer by zach-r-d · Jun 21, 2015 at 12:00 PM

That's because the position given to Instantiate uses world coordinates, not the local coordinates of the object the current script is attached to. Try adding transform.position to the randomly generated spawnPosition:

 Instantiate (hazard, spawnPosition + transform.position, spawnRotation);

If the cloud is going to be scaling as well, it may be worth using transform.TransformPoint() to convert spawnPosition from coordinates local to the cloud to world coordinates instead.

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avatar image Rosscoe3 · Jun 22, 2015 at 07:25 AM 1
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Thank you so much for replying so fast!!! It works Pretty well :D and i am using that transform.Transformpoint :D

avatar image zach-r-d · Jun 22, 2015 at 07:38 AM 0
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I'm glad! Remember to check the accept button if it answers your question :)

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