⚠️ Beta State

PyBevy is in an early and experimental stage. The API is incomplete, subject to breaking changes without notice, and you should expect bugs. Many features are still under development.

Load glTF

Load and display a glTF/GLB 3D model.

Introduction

glTF is the standard format for loading 3D models. PyBevy can load .gltf and .glb files with meshes, materials, and scenes using the AssetServer.

from pybevy.prelude import *

Setup

Load a glTF scene using asset_server.load_scene() and spawn it into the world. The model's meshes, materials, and hierarchy are automatically applied.

def setup(commands: Commands, asset_server: AssetServer) -> None:
    commands.spawn(SceneRoot(asset_server.load_scene("models/FlightHelmet/FlightHelmet.gltf#Scene0")))
 
    commands.spawn(
        DirectionalLight(illuminance=5000.0, shadows_enabled=True),
        Transform.IDENTITY.looking_at(Vec3(-1.0, -2.0, -1.0), Vec3.Y),
    )
    commands.spawn(Camera3d(), Transform.from_xyz(0.7, 0.7, 1.0).looking_at(Vec3(0.0, 0.3, 0.0), Vec3.Y))

Running the App

@entrypoint
def main(app: App) -> App:
    return app.add_plugins(DefaultPlugins).add_systems(Startup, setup)
 
if __name__ == "__main__":
    main().run()

Running this example

Use PyBevy's hot reload feature to run and develop this example. If you don't have PyBevy installed, check out the Quick Start guide.

$pybevy watch glb.py

The code will reload automatically when you make changes to the file.

From Python to Rust

Notice how the core concepts in the code—Commands, Assets, App, and Systems—are identical to the original Bevy example?

This is the power of pybevy! It lets you learn Bevy's powerful, data-driven architecture in friendly Python.

When your project grows and you're ready for maximum, native performance, you'll already know the concepts to start writing systems in Bevy Engine with Rust.

Animated Material

Lighting