# \#oimo

**URL:** https://discourse.threejs.org/tag/oimo/1237.md

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## [Selecting physics engine](https://discourse.threejs.org/t/selecting-physics-engine/60344)

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**Author:** [@laperen](https://discourse.threejs.org/u/laperen)\
**Replies:** 12\
**Last updated:** [June 28, 2024, 12:11pm UTC](https://discourse.threejs.org/t/selecting-physics-engine/60344 "2024-06-28T12:11:46Z")

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Ive searched around for a physics engine to use, and currently gravitate towards oimo, though i see there seems to be 2 different versions. One is Oimo.js, while the other is OimoPhysics. I see more examples for Oimo.js…

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## [Oimo.js collision detection problem with the physic body](https://discourse.threejs.org/t/oimo-js-collision-detection-problem-with-the-physic-body/38189)

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**Author:** [@espace3d](https://discourse.threejs.org/u/espace3d)\
**Replies:** 3\
**Last updated:** [May 17, 2022, 2:00pm UTC](https://discourse.threejs.org/t/oimo-js-collision-detection-problem-with-the-physic-body/38189 "2022-05-17T14:00:22Z")

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Hi, I don’t understand why my code doesn’t work. I use the library oimo.js for my physic What I would like : In line 149, if there is no contact then my red cubes (class enemy) must levitate otherwise they fall on …