Physics compound body size calculation

[JohanFerret]

Physics compound body not touching the ground.

• Bug repro on playground:
  https://www.babylonjs-playground.com/#492ZK0#27

• Expected result:
  Physics compound body touching the ground.

• Current result:
  Physics compound body not touching the ground.

[RaananW]

(Documentation only) - Seems like a fundamental issue with compounds:

https://www.babylonjs-playground.com/#492ZK0#28

The transformation calculations of the child-impostors seems to be off. Either that or that the rendering of the object is incorrect.

[RaananW]

Reopening - Ammo and Oimo and still acting up:

https://playground.babylonjs.com/#1XWKCR#7

[RaananW]

The issue was a missing impostor on the parent:

(cannon) https://playground.babylonjs.com/#1XWKCR#9
(ammo) https://playground.babylonjs.com/#1XWKCR#10
(oimo) https://playground.babylonjs.com/#1XWKCR#11

Closing