[Recast] walkableSlopeAngle doesn't seem to have any effect

Questions
1

I tried different values for walkableSlopeAngle, but they all generate the same nav mesh. PG: https://playground.babylonjs.com/#KVQP83#24

2

cc @Cedric

3

I’ll take a look
in the mean time, you can change walkableClimb to allow/constraintthe navmesh.