Reflections disappear when changing materials color

Questions & Answers
1

I use the Hardsurface shaders by Bruno Rime. I also use a realtime reflection script.

When I change the color of the material (in another script), with Material.SetColor(), the reflections dissappear.

Edit: seems that the refletions disappear even when the script just access the material, even without changing the color…

	foreach(Renderer rend in CarBodyRenderers){
		              	foreach(Material matt in rend.materials){
              //  if(matt.name == carBodyMaterialName){
	           //     	matt.SetColor("_Color", carPaint);
		              }
		       }
	      }  

// this is the real time reflection script

using UnityEngine;
using System.Collections;

public class RealtimeCubemap : MonoBehaviour {

    public int cubemapSize = 128;
    public bool oneFacePerFrame = false;
    private Camera cam;
    private RenderTexture rtex;
    private GameObject go;

    [ExecuteInEditMode]
    void Start() {
        // render all six faces at startup
        UpdateCubemap(63);
    }

    void LateUpdate() {
        if (oneFacePerFrame) {
            int faceToRender = Time.frameCount % 6;
            int faceMask = 1 << faceToRender;
            UpdateCubemap(faceMask);
        } else {
            UpdateCubemap(63); // all six faces
        }
    }

    void UpdateCubemap(int faceMask) {
        if (!cam) {
            go = new GameObject("CubemapCamera");
            go.AddComponent(typeof(Camera));
            go.hideFlags = HideFlags.HideAndDontSave;
            go.transform.position = transform.position;
            go.transform.rotation = Quaternion.identity;
            cam = go.camera;
            cam.farClipPlane = 100; // don't render very far into cubemap
            cam.enabled = false;
        }

        if (!rtex) {    
            rtex = new RenderTexture(cubemapSize, cubemapSize, 16);
            rtex.isCubemap = true;
            rtex.hideFlags = HideFlags.HideAndDontSave;
            renderer.sharedMaterial.SetTexture ("_Cube", rtex);
        }

        cam.transform.position = transform.position;
        cam.RenderToCubemap(rtex, faceMask);
    }

    void OnDisable() {
        DestroyImmediate (cam);
        DestroyImmediate (rtex);
    }
}
2

Maybe that when you accessing to material to change color parameter, Unity change the material instance ( you can read “(instance)” append to material name, and changing cubemap to sharedMaterial (renderer.sharedMaterial.SetTexture (“_Cube”, rtex)) don’t change the cube of material index.

use renderer.material instead

3

The realtime refletion script is in the camera object, so I was able to get the reflections and apply them to the instanciated material using gameObject.Find(“camera”).getComponentInChildren<>();