How can I stop the cube from shaking
Adding @Cedric but I can’t see the cube shake in your demo (?)
there is jumping
I can’t see it shake either. Maybe it‘s a local/browser problem?
I get an error:
_interopRequireDefault is not a function
It seems that switching repeatedly between the CodeSandbox page and another full-window app triggers the jumping. I’m currently on Windows/Chrome
I tried a couple things (set mass of child boxCollider.physicsImpostor to 0 as recommended in Compound Bodies | Babylon.js Documentation, changed ground mesh to CreateBox instead of CreateGround, and replaced boxCollider with physicsRoot when setting linearDamping and angularDamping). These don’t seem to work for now, and I’ll try looking into this
I could stop the jumping by commenting out the line:
// boxCollider.physicsImpostor.physicsBody.linearDamping = .9;
but this may not be a good solution, since your car will now slide infinitely due to no friction
This is a matter of time. When getting back to the tab, the delta time is bigger than a rendering frame. like 100ms. So during the timestep for the physics world steps performs gravity for that amount of time. the body gets below the ground and is pushed as a physics response.
To fix that, change the physics plugin to not use the delta and set the time step to be fixed at 16ms.
I changed the physics initialization a bit:
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