Same box with default_pbr or custom pbr has different effect

Questions
, ,
1

Box withouth pbr and gltfLoader attach default pbr to box:

Box with pbr:

Lighting effect in box is different,why?


Use meshBuilder create box with pbr material:

It sames as Babylon.js Playground (Box withouth pbr and gltfLoader attach default pbr to box)

2

The albedo color you use in your material is different from the albedo color used in the default material:

Your material:
image

Default material:
image

2 Likes
3

Sorry I didn’t make the question clear.
My question is that the lighting effect on the back of the box is different.

Box withouth pbr and gltfLoader attach default pbr to box:
www.alltoall.net_babylonjs_3GUQKYZ7gx

Box with pbr:
www.alltoall.net_babylonjs_-1-_b7AhyaIeMm

4

Ok, I have understood now!

That’s because your material has the twoSidedLighting property set and not the default material.

3 Likes
5

Thanks for your reply~