Ammo heightmap stabilish player rotation

this is the havok solution for stabilish player rotation, that uses zero inertia :

I want to stabilish the player rotation with ammo like in the repro above.
This is the ammo version, i tried to stabilish by setting the rotationQuaternion but the player moves forward and when walks over ground levels, the player gets a weird rotation.
I tried to set player.physicsImpostor.physicsBody.setMassProps({
inertia: new BABYLON.Vector3(0,0,0)
but the emulator crashes :confused:

From this: Havok physics wlaking character bouncing over heightmap - #5 by Marcello_Fabbiani it looks like you “stabilish-ed” it :slight_smile:

Would be great in the future to keep the question in one post.