Physics not detecting heightmap collision with latest 5-alpha

Bugs
1

Hi,
I’ve noticed that heightmap collision (cannon) doesn’t work as expected anymore. See this PG https://www.babylonjs-playground.com/#4VM49Q#12 and switch between latest and 4.2.0 With latest The spehere ‘falls’ through the ground after a couple of seconds.

2

Let me take a look.

3

As a workaround, setting the ground impostor as a MeshImpostor will work. I continue investigating.

4

PR is live

5

@Cedric thanks a lot for the fix! This will be available via npm with alpha.44, right?

6

Yup and we will probably release it either tomorrow or early next week :slight_smile:

7

Seems that alpha.44 doesn’t fix the problem. same behaviour. Maybe someone else can confirm.

8

I can repro. This is really weird. I’m checking what’s happening.

9

Second try :

10

Thanks @Cedric now it works :slight_smile: