# Change shape of physics aggregate (havok)

**URL:** <https://forum.babylonjs.com/t/change-shape-of-physics-aggregate-havok/53872>\
**Category:** Questions\
**Created:** [October 1, 2024, 8:07pm UTC](https://forum.babylonjs.com/t/change-shape-of-physics-aggregate-havok/53872 "2024-10-01T20:07:15Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![HiGreg](https://avatars.discourse-cdn.com/v4/letter/h/c5a1d2/32.png) [@HiGreg](https://forum.babylonjs.com/u/HiGreg)\
**Post date:** [October 1, 2024, 10:30pm UTC](https://forum.babylonjs.com/t/change-shape-of-physics-aggregate-havok/53872/3 "2024-10-01T22:30:31Z")

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See the bottom of this post:

> [@Using density and an Overview of physics properties](https://forum.babylonjs.com/t/using-density-and-an-overview-of-physics-properties/51729):
>
> Hierarchy: mesh.physicsBody.shape.material BODY .setMassProperties() - sets user properties that override calculated values: – mass, inertia, centerOfMass, inertiaOrientation .getMassProperties() - gets resultant properties, calculated then overridden .setLinearDamping(linDamp) .setAngularDamping(angDamp) .setGravityFactor(gravFact) SHAPE .density other shape properties: .filterCollideMask, .filterMembershipMask, .isTrigger MATERIAL .friction .staticFriction .restitution .frictionComb…

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