in the below picture floor area having a default reflection, instead of it can we see the reflection roof light of real-time.
PBR custom material used.
example
in the below picture floor area having a default reflection, instead of it can we see the reflection roof light of real-time.
PBR custom material used.
example
You can create a mirror at the ground level that will reflect the geometry above (Reflections and Refractions | Babylon.js Documentation).
You can also use a reflection probe that you can set to the ground reflection texture (Reflection Probes | Babylon.js Documentation).
Screen Space Reflection is also a mean to achieve what you want (Screen Space Reflections (SSR) Post Process | Babylon.js Documentation).