# Physics Engines

**URL:** https://forum.kirupa.com/t/physics-engines/248696
**Category:** programming
**Created:** [January 10, 2008, 8:55pm UTC](https://forum.kirupa.com/t/physics-engines/248696 "2008-01-10T20:55:31Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![sceneshift](https://avatars.discourse-cdn.com/v4/letter/s/5daacb/32.png) [@sceneshift](https://forum.kirupa.com/u/sceneshift)
#### Post date: [January 10, 2008, 8:55pm UTC](https://forum.kirupa.com/t/physics-engines/248696/1 "2008-01-10T20:55:31Z")

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Hi guys,

There are a bunch of really cool physics engines out there for AS3 now, like APE, FOAM and the more recent Motion.

I was just wondering, for a simple platform game (super mario, castlevania clone) where you have simple collision detection, gravity etc, is it worth using an entire physics engine or just stick to smaller custom built classes?

I can’t decide which method to go for so I’d really appreciate your view on this.