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Question by infinitypbr · Dec 10, 2014 at 06:46 AM · collisioncolliderontriggerenter

OnTriggerEnter - Explosions that appear on the surface of hit object

Hello,

I have some fireballs that need to explode on contact with an object. However sometimes they seem to explode a bit behind the surface of the object.

Is there a way to specify the position of the explosion to be at the outside of the object?

Thanks!!

 function OnTriggerEnter(other : Collider){
     if (other.gameObject.layer != gameObject.layer)
     {
         var newExplode    = Instantiate(explosionPrefab, transform.position, Quaternion.identity);
         Destroy(gameObject);
     }
 }
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avatar image taxvi · Dec 10, 2014 at 07:15 AM 0
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what do you mean by 'a bit behind the surface of the object'?

avatar image taxvi · Dec 10, 2014 at 07:20 AM 0
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if you want the explosion to appear a bit nearer to the camera I guess you can use:

 Vector3 explosionPosition = transform.position + x * (camera.main.position - transform.position).normalized;

where x variable is set to whatever distance it needs to be

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Answer by HarshadK · Dec 10, 2014 at 08:06 AM

You can get the closest point on the bound of the collider of object to get a point on the surface of your object and then instantiate your explosion prefab at that point.

Read: Collider.ClosestPointOnBounds

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