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Question by Mythran · Dec 28, 2019 at 06:08 PM · topdown

Raycast all or Raycast

I want to set transparency at all objects between the camera and the player, this all works fine, but i'm missing how i would go about into restoring opacity when objects are no longer in the way. I went about storing all objects in list and compare the hit in hits with each object but i doesnt work.

Some insight of how to tackle this problem would be apreciated. Thanks.

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Answer by Mythran · Dec 28, 2019 at 10:37 PM

Answering to myself, and for anyone that might be dealing with the same problem in the future, It is not absent of errors and needs refactoring + fixes. If anyone willing go ahead.

 private void SetTransparency()
     {
         Ray ray = new Ray(myTransform.position, (target.position - myTransform.position).normalized);
         RaycastHit[] hits = Physics.RaycastAll(ray, maxDistance);
 
         if (hits.Length > 0)
         {
             foreach (RaycastHit hit in hits)
             {
                 if (hit.transform.gameObject != target.gameObject)
                     objectsInTheWay.Add(hit.transform.gameObject);
 
                 objectsInTheWay = objectsInTheWay.Distinct().ToList();
 
                 if (hit.transform.gameObject != target.gameObject)
                 {
                     renderers = hit.transform.gameObject.GetComponentsInChildren(typeof(Renderer));
 
                     if (renderers != null)
                     {
                         SetMaterialTransparent(hit.transform.gameObject);
                         iTween.FadeTo(hit.transform.gameObject, 0.3f, 0.5f);
                     }
                 }
             }
         }
 
         foreach (RaycastHit hit in hits)
         {
             if (hit.transform.gameObject != target.gameObject)
                 newObjectsInTheWay.Add(hit.transform.gameObject);
         }
         
         foreach (GameObject obj in objectsInTheWay)
         {
             if (!newObjectsInTheWay.Contains(obj))
             {
                 iTween.FadeTo(obj, 1, 1);
                 Invoke("SetMaterialOpaque", 1f);
                 objectsInTheWay.Remove(obj);
             }
         }
 
         newObjectsInTheWay.Clear();
     }
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