# Issues with physics engine and loaded model (falling thru floor etc.)

**URL:** <https://forum.babylonjs.com/t/issues-with-physics-engine-and-loaded-model-falling-thru-floor-etc/42997>\
**Category:** Questions\
**Tags:** gltf, physics, cannon, havok\
**Created:** [August 4, 2023, 2:45pm UTC](https://forum.babylonjs.com/t/issues-with-physics-engine-and-loaded-model-falling-thru-floor-etc/42997 "2023-08-04T14:45:03Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![bigrig](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/bigrig/32/5548_2.png) [@bigrig](https://forum.babylonjs.com/u/bigrig)\
**Post date:** [August 4, 2023, 4:21pm UTC](https://forum.babylonjs.com/t/issues-with-physics-engine-and-loaded-model-falling-thru-floor-etc/42997/3 "2023-08-04T16:21:25Z")

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Here’s a PG with character running around your mesh:

> **[Babylon.js Playground](https://playground.babylonjs.com/#ZBXSQ0%231)**
>
> Babylon.js playground is a live editor for Babylon.js WebGL 3D scenes

I’m currently working out how to get the player’s physics to interact with the worlds physics. WIP here: [Make car crash into pillars (moving a havok physics object with mouse controls) - #11 by bigrig](https://forum.babylonjs.com/t/make-car-crash-into-pillars-moving-a-havok-physics-object-with-mouse-controls/42946/11)

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