If the preceding steps have been followed correctly, you should have a quad in the middle of your scene, close to a reflection probe. In order to make it in a mirror, some changes need to be made:
- Change the shader of the material to Standard and its Rendering Mode to Opaque.
- Change its Metallic and Smoothness properties to one. You should see the material reflecting the sky more clearly.
- Select the reflection probe and change its Size and Probe Origin until it is in front of the quad and it encloses all the objects that you want to reflect.
- To make the item more clear under the Cubemap capture settings, change the Resolution to 2048.
- Finally, change its Type to Realtime and the Refresh Mode to Every frame. Also, make sure ...