The example appears to be broken on the latest build ref:
http://www.babylonjs-playground.com/index.html#D3LQD#9
Expected (stable):
http://www.babylonjs-playground.com/indexStable.html#D3LQD#9
Note that ground meshes using HeightmapImpostors seem to handle collisions as expected. The issue seems specific to the ribbon example.
Pinging @jerome
Fixed :)
Thanks a lot for mentioning it
great... I wouldn't have found the fix...
Most helpful comment
Fixed :)
Thanks a lot for mentioning it