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Question by andrewu331 · Mar 18, 2020 at 06:34 PM · raycasttransform

Problem with using raycast to stop camera from going through wall

I have a script that I modified from this script from here -http://wiki.unity3d.com/index.php/MouseCameraControl. I added a raycast to the scroll function so that it can detect when it gets close to a wall. It works okay and it stops the camera from going through the wall but if I keep scrolling it will eventually break and the camera goes through the wall. I could use some help in either figuring out a better way or modifying what I have to be less buggy. Here is the code that uses the raycast

             if (scroll.isActivated())
             {
                 position = transform.position;
                 float translateZ = Input.GetAxis(scrollAxisName) * scroll.sensitivity;
                 transform.Translate(0, 0, translateZ);
                 if (position.y < 12284)
                 {
                     position.y = 12284;
                     transform.position = position;
                 }

                 Ray ray = GetComponent<Camera>().ScreenPointToRay(Input.mousePosition);
                 RaycastHit hit;
                 if (Physics.Raycast(ray, out hit))
                 {
                     // the object identified by hit.transform was clicked
                     // do whatever you want
                     Debug.LogWarning(hit.distance);
                     if ((hit.distance < 1.5) && (hit.distance > 1))
                     {
                         Debug.LogWarning("past 1");
                         originalRayPos = transform.position;
                         originalRayRot = transform.rotation;                               
                     }
                     if(hit.distance < 1)
                     {
                         transform.position = originalRayPos;
                         transform.rotation = originalRayRot;

                     }

                 }

             }
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