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⚠️v0.4 coming soon! Read thedocs here

❤ ❤ ❤
bitECS

Functional, minimal,data-oriented, ultra-high performanceECS library written using JavaScript TypedArrays.

✨ Features


🔮 Simple, declarative API	🔥 Blazing fast iteration
🔍 Powerful & performant queries	💾 Serialization included
🍃 Zero dependencies	🌐 Node or browser
🤏`~5kb` minzipped	🏷 TypeScript support
❤ Made with love	🔺glMatrix support

📈 Benchmarks


noctjs/ecs-benchmark	ddmills/js-ecs-benchmarks

💿 Install

npm i bitecs

📘 Documentation


🏁Getting Started
📑API
❔FAQ
🏛Tutorial

🕹 Example

import{createWorld,Types,defineComponent,defineQuery,addEntity,addComponent,pipe,}from'bitecs'constVector3={x:Types.f32,y:Types.f32,z:Types.f32}constPosition=defineComponent(Vector3)constVelocity=defineComponent(Vector3)constmovementQuery=defineQuery([Position,Velocity])constmovementSystem=(world)=>{const{time:{ delta}}=worldconstents=movementQuery(world)for(leti=0;i<ents.length;i++){consteid=ents[i]Position.x[eid]+=Velocity.x[eid]*deltaPosition.y[eid]+=Velocity.y[eid]*deltaPosition.z[eid]+=Velocity.z[eid]*delta}returnworld}consttimeSystem=world=>{const{ time}=worldconstnow=performance.now()constdelta=now-time.thentime.delta=deltatime.elapsed+=deltatime.then=nowreturnworld}constpipeline=pipe(movementSystem,timeSystem)constworld=createWorld()world.time={delta:0,elapsed:0,then:performance.now()}consteid=addEntity(world)addComponent(world,Position,eid)addComponent(world,Velocity,eid)Velocity.x[eid]=1.23Velocity.y[eid]=1.23setInterval(()=>{pipeline(world)},16)