Oimo.js is a lightweight 3d physics engine for JavaScript.
It's a full javascript conversion of OimoPhysics
Originally created by Saharan for actionscript 3.0.

### Home ### - [oimo.js](http://lo-th.github.io/Oimo.js/index.html) (in progress) ### Docs ### - [docs](http://lo-th.github.io/Oimo.js/docs.html) (in progress) ### Demo ### - [Basic test](http://lo-th.github.io/Oimo.js/examples/test_basic.html) - [Compound test (chair)](http://lo-th.github.io/Oimo.js/examples/test_compound.html) - [Compound test (capsule)](http://lo-th.github.io/Oimo.js/examples/test_compound2.html) - [Ragdoll test](http://lo-th.github.io/Oimo.js/examples/test_ragdoll.html) - [Collision test](http://lo-th.github.io/Oimo.js/examples/test_collision.html) - [Moving test](http://lo-th.github.io/Oimo.js/examples/test_moving.html) - [Terrain test](http://lo-th.github.io/Oimo.js/examples/test_terrain.html) - [Car test](http://lo-th.github.io/Oimo.js/examples/test_vehicle.html) - [Walker test](http://lo-th.github.io/Oimo.js/examples/test_walker.html) - [Worker test](http://lo-th.github.io/Oimo.js/examples/test_worker.html) ### Usage ### Download the [minified library](http://lo-th.github.io/Oimo.js/build/oimo.min.js) and include it in your HTML.
Alternatively, use **Node** and install the [package](https://www.npmjs.com/package/oimo): `npm install oimo` ```html ``` Create physics world: ```javascript world = new OIMO.World({ timestep: 1/60, iterations: 8, broadphase: 2, // 1 brute force, 2 sweep and prune, 3 volume tree worldscale: 1, // scale full world random: true, // randomize sample info: false, // calculate statistic or not gravity: [0,-9.8,0] }); ``` Add physics object or joint ```javascript var body = world.add({ type:'sphere', // type of shape : sphere, box, cylinder size:[1,1,1], // size of shape pos:[0,0,0], // start position in degree rot:[0,0,90], // start rotation in degree move:true, // dynamic or statique density: 1, friction: 0.2, restitution: 0.2, belongsTo: 1, // The bits of the collision groups to which the shape belongs. collidesWith: 0xffffffff; // The bits of the collision groups with which the shape collides. }); var body = world.add({ type:'jointHinge', // type of joint : jointDistance, jointHinge, jointPrisme, jointSlide, jointWheel body1: "b1", // name or id of attach rigidbody body2: "b1", // name or id of attach rigidbody }); // update world world.step(); // and copy position and rotation to three mesh myMesh.position.copy( body.getPosition() ); myMesh.quaternion.copy( body.getQuaternion() ); ``` ### Note ### Oimo Physics uses international system units: 0.1 to 10 meters max for dynamic body.
In basic demo with THREE, I scaled all by 100 so objects are between 10 to 1000 in THREE units.

/!\ Shape name change in last version
SphereShape to Sphere, BoxShape to Box, CylinderShape to Cylinder

	Stars	Issues	Version	Updated	Created
@dimforge/rapier3d-compat	364	89	0.12.0	3 months ago	3 years ago
@react-three/cannon	2,684	32	6.6.0	8 months ago	4 years ago
cannon	4,585	211	0.6.2	9 years ago	12 years ago
cannon-es	1,674	49	0.20.0	2 years ago	4 years ago
oimo			1.0.9	7 years ago	7 years ago

@dimforge/rapier3d-compat vs @react-three/cannon vs cannon vs cannon-es vs oimo

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