Deactivate Mesh Renderer when not visible by camera

Scripting
1

Hello,
In order to save memory I would like to disable set of mesh Renderers of gameObject that is not visible by the camera. So far I have the below script:

private MeshRenderer rend;
  

     void Start()
     {
         rend = GetComponent<MeshRenderer>();
     }   


public void OnBecameVisible()
     {
         rend.enabled = true;
     }


     public void OnBecameInvisible()
     {
         rend.enabled = false;
     }

OnBecameInvisible() is being called but OnBecameVisible() is only being called once? Is it because the mesh renderer is off? If so, is there any other solution to get it back on?

2

Disabling something generally sets a flag somewhere. That will generally not affect your consumed memory. I mean it might, but I would first try to identify if it does before going too far down the rabbit hole in order to avoid writing a lot of code that will not actually solve your problem.

As for why the OnBecame calls are not happening, not sure because I haven’t tinkered with that endpoint myself.

3

Most likely because it will be called only once since the meshRenderer is turned off