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334{% extends "layouts/base.html" %}
{% block head_extensions %}
<meta name="description"
content="A refreshingly simple data-driven game engine built in Rust. Free and Open Source Forever!" />
<link href="https://mastodon.social/@bevy" rel="me" />
{% endblock head_extensions %}
{% block content %}
<div>
<picture class="themed-picture">
<img
class="bevy-logo-header themed-picture__light"
src="/assets/bevy_logo_dark-inverted.svg"
alt="Bevy logo"
width="520"
height="130"
/>
<img
class="bevy-logo-header themed-picture__dark"
src="/assets/bevy_logo_dark.svg"
alt="Bevy logo"
width="520"
height="130"
/>
</picture>
<div class="bevy-description">
A refreshingly simple data-driven game engine built in Rust
<br />
Free and Open Source Forever!
<br />
<a class="button button--big" href="/learn/quick-start/introduction/">Get Started</a>
</div>
<div class="feature-list">
<div class="feature-container">
<div class="feature-text">
<h2 class="feature-title">Data Driven</h2>
<div class="feature-description">
All engine and game logic uses Bevy ECS, a custom Entity Component System
<ul class="feature-sublist">
<li>
<b>Fast:</b> Massively Parallel and Cache-Friendly
</li>
<li>
<b>Simple:</b> Components are Rust structs, Systems are Rust functions
</li>
<li>
<b>Capable:</b> Queries, Global Resources, Local Resources, Change Detection, Lock-Free
Parallel Scheduler
</li>
</ul>
</div>
</div>
<div class="feature-image">
<img src="assets/ecs.svg"
class="feature-img svg-ecs"
alt="ECS code"
width="444"
height="226" />
</div>
</div>
<div class="feature-container feature-container-reverse">
<div class="feature-image">
<img src="assets/sprite.png"
class="feature-img"
width="250"
height="250"
alt="Pixel art sprite of a person" />
</div>
<div class="feature-text">
<h2 class="feature-title">2D Renderer</h2>
<div class="feature-description">
Render real-time 2D graphics for games and apps
<ul class="feature-sublist">
<li>
<b>Features:</b> sprite sheets, dynamic texture atlases, cameras, textures, and materials
</li>
<li>
<b>Extensible:</b> custom shaders, materials, and render pipelines
</li>
<li>
<b>Common Core:</b> builds on top of Bevy's Render Graph
</li>
</ul>
</div>
</div>
</div>
<div class="feature-container">
<div class="feature-text">
<h2 class="feature-title">3D Renderer</h2>
<div class="feature-description">
A modern and flexible 3D renderer
<ul class="feature-sublist">
<li>
<b>Features:</b> lights, shadows, cameras, meshes, textures, materials, gltf loading
</li>
<li>
<b>Extensible:</b> custom shaders, materials, and render pipelines
</li>
<li>
<b>Common Core:</b> built on top of Bevy's Render Graph
</li>
</ul>
</div>
</div>
<div class="feature-image">
<img src="assets/boat.png"
class="feature-img svg-boat"
alt="3D boat model"
width="630"
height="289" />
</div>
</div>
<div class="feature-container feature-container-reverse">
<div class="feature-image">
<img src="assets/render_graph.svg"
class="feature-img"
alt="Render graph"
width="358"
height="281" />
</div>
<div class="feature-text">
<h2 class="feature-title">Render Graph</h2>
<div class="feature-description">
Compose custom render pipelines using a graph structure
<ul class="feature-sublist">
<li>
<b>Parallel:</b> Render Graphs are automatically rendered in parallel
</li>
<li>
<b>Modular:</b> Build composable and reusable render logic using Render Graph nodes
</li>
<li>
<b>Backend Agnostic:</b> Not tied to a specific graphics API
</li>
</ul>
</div>
</div>
</div>
<div class="feature-container">
<div class="feature-text">
<h2 class="feature-title">Animation</h2>
<div class="feature-description">
<p>A capable animation system</p>
<ul class="feature-sublist">
<li>Skeletal rig animation driven by an ECS-based joint API</li>
<li>Play multiple animations at the same time by smoothly blending between them</li>
<li>Use blend shapes / morph targets to animate vertices directly</li>
<li>Import animations from GLTF files</li>
</ul>
</div>
</div>
<div class="feature-image">
<img src="assets/fox.webp"
class="feature-img"
alt="An animated poly style model of a fox running"
width="384"
height="216" />
</div>
</div>
<div class="feature-container feature-container-reverse">
<div class="feature-image">
<img src="assets/platform-icons.svg"
class="feature-img"
alt="Microsoft, Apple, and Linux logos"
width="1354"
height="512" />
</div>
<div class="feature-text">
<h2 class="feature-title">Cross Platform</h2>
<div class="feature-description">
Support for all major platforms:
<ul class="feature-sublist">
<li>Windows, MacOS, Linux, Web, iOS, Android</li>
</ul>
</div>
</div>
</div>
<div class="feature-container">
<div class="feature-text">
<h2 class="feature-title">Bevy UI</h2>
<div class="feature-description">
A custom ECS-driven UI framework built specifically for Bevy
<ul class="feature-sublist">
<li>Built directly on top of Bevy's ECS, Renderer, and Scene plugins</li>
<li>Compose UIs dynamically in code or declaratively using the Bevy Scene format</li>
<li>Use a familiar "flex box" model to layout your UIs</li>
</ul>
</div>
</div>
<div class="feature-image">
<img src="assets/bevy_ui.svg"
class="feature-img"
alt="UI dialog window diagram"
width="358"
height="281" />
</div>
</div>
<div class="feature-container feature-container-reverse">
<div class="feature-image">
<img src="assets/scene.svg"
class="feature-img"
alt="2D scene of a square upon grass under the sun"
width="353"
height="235" />
</div>
<div class="feature-text">
<h2 class="feature-title">Scenes</h2>
<div class="feature-description">
Create, save, and load ECS worlds using Bevy's Scene system
<ul class="feature-sublist">
<li>
<b>Loading:</b> Loading scenes preserves entity IDs (useful for save games)
</li>
<li>
<b>Instancing:</b> Instancing creates linked duplicates of scenes with new entity IDs
</li>
<li>
<b>Hot Reloading:</b> Changes to scene files are automatically applied to running apps
</li>
</ul>
</div>
</div>
</div>
<div class="feature-container">
<div class="feature-text">
<h2 class="feature-title">Sound</h2>
<div class="feature-description">
Load audio files and play them on demand
<ul class="feature-sublist">
<li>Load audio files as Assets</li>
<li>Play audio Assets using Audio entities</li>
</ul>
</div>
</div>
<div class="feature-image">
<img src="assets/sound.svg"
class="feature-img"
alt="Music notes"
width="235"
height="176" />
</div>
</div>
<div class="feature-container feature-container-reverse">
<div class="feature-image">
<img src="assets/hot_reloading.svg"
class="feature-img"
alt="Hot reloading diagram"
width="266"
height="154" />
</div>
<div class="feature-text">
<h2 class="feature-title">Hot Reloading</h2>
<div class="feature-description">
Get instant feedback on your changes without app restarts or recompiles
<ul class="feature-sublist">
<li>Asset changes are immediately reflected in running Bevy apps</li>
<li>You can currently hot-reload scenes, textures, and meshes</li>
<li>Any asset type can be integrated</li>
</ul>
</div>
</div>
</div>
<div class="feature-container">
<div class="feature-text">
<h2 class="feature-title">Productive Compile Times</h2>
<div class="feature-description">
Game development is an iterative process. You can't afford to wait for compiles
<ul class="feature-sublist">
<li>With Bevy you can expect 0.8-3.0 seconds with the "fast compiles" configuration</li>
<li>
Compare that to other popular Rust game engines, which can take over 30 seconds to compile a
single
newline insertion!
</li>
</ul>
</div>
</div>
<div class="feature-image">
<img src="assets/progressbar.svg"
class="feature-img"
alt="Compile time progress bar"
width="358"
height="281" />
</div>
</div>
<div class="feature-container feature-container-reverse">
<div class="feature-image">
<img src="assets/opensource.svg"
class="feature-img"
alt="The open source icon"
width="583"
height="564" />
</div>
<div class="feature-text">
<h2 class="feature-title">Free and Open Source</h2>
<div class="feature-description">
An engine made by and for the developer community
<ul class="feature-sublist">
<li>100% free. Forever and always</li>
<li>Open Source under the permissive MIT or Apache 2.0 licenses</li>
<li>No contracts</li>
<li>No license fees</li>
<li>No sales cuts</li>
</ul>
</div>
</div>
</div>
</div>
<div class="media-content features-whats-next">
Ready to start building Bevy apps? Get started fast with <a href="learn/quick-start/introduction/">The Quick Start
Guide!</a>
</div>
<picture class="themed-picture">
<img
class="bevy-logo-header themed-picture__light"
src="/assets/bevy_logo_dark-inverted.svg"
alt="Bevy logo"
width="520"
height="130"
/>
<img
class="bevy-logo-header themed-picture__dark"
src="/assets/bevy_logo_dark.svg"
alt="Bevy logo"
width="520"
height="130"
/>
</picture>
<div class="donate-page">
{% include "sponsors.html" %}
</div>
</div>
{% endblock content %}