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bitECS

Functional, minimal, data-oriented, ultra-high performance ECS 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](https://github.com/toji/gl-matrix) support | ### 📈 Benchmarks | | | | --------------------------------------------------------------- | ------------------------------------------------------------------------- | | [noctjs/ecs-benchmark](https://github.com/noctjs/ecs-benchmark) | [ddmills/js-ecs-benchmarks](https://github.com/ddmills/js-ecs-benchmarks) | ## 💿 Install ``` npm i bitecs ``` ## 📘 Documentation | | | ---------------- | | 🏁 [Getting Started](https://github.com/NateTheGreatt/bitECS/blob/master/docs/INTRO.md) | | 📑 [API](https://github.com/NateTheGreatt/bitECS/blob/master/docs/API.md) | | ❔ [FAQ](https://github.com/NateTheGreatt/bitECS/blob/master/docs/FAQ.md) | | 🏛 [Tutorial](https://github.com/ourcade/phaser3-bitecs-getting-started) | ## 🕹 Example ```js import { createWorld, Types, defineComponent, defineQuery, addEntity, addComponent, pipe, } from 'bitecs' const Vector3 = { x: Types.f32, y: Types.f32, z: Types.f32 } const Position = defineComponent(Vector3) const Velocity = defineComponent(Vector3) const movementQuery = defineQuery([Position, Velocity]) const movementSystem = (world) => { const { time: { delta } } = world const ents = movementQuery(world) for (let i = 0; i < ents.length; i++) { const eid = ents[i] Position.x[eid] += Velocity.x[eid] * delta Position.y[eid] += Velocity.y[eid] * delta Position.z[eid] += Velocity.z[eid] * delta } return world } const timeSystem = world => { const { time } = world const now = performance.now() const delta = now - time.then time.delta = delta time.elapsed += delta time.then = now return world } const pipeline = pipe(movementSystem, timeSystem) const world = createWorld() world.time = { delta: 0, elapsed: 0, then: performance.now() } const eid = addEntity(world) addComponent(world, Position, eid) addComponent(world, Velocity, eid) Velocity.x[eid] = 1.23 Velocity.y[eid] = 1.23 setInterval(() => { pipeline(world) }, 16) ``` ## 🔌 Powering

			Stars	Issues	Version	Updated	Created	Size
	bitecs		902	42	0.3.40	a year ago	4 years ago
	ecs-lib		192	17	0.8.0-pre.2	5 years ago	5 years ago

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