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https://github.com/shnewto/limbo_pass
a little game, limbo on a mountain pass
https://github.com/shnewto/limbo_pass
3d bevy blender collision-detection game-development rapier3d rust
Last synced: 2 months ago
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a little game, limbo on a mountain pass
- Host: GitHub
- URL: https://github.com/shnewto/limbo_pass
- Owner: shnewto
- License: mit
- Created: 2022-05-01T21:25:30.000Z (over 2 years ago)
- Default Branch: main
- Last Pushed: 2024-03-06T06:34:57.000Z (10 months ago)
- Last Synced: 2024-10-04T13:39:13.118Z (3 months ago)
- Topics: 3d, bevy, blender, collision-detection, game-development, rapier3d, rust
- Language: Rust
- Homepage: https://sheas.blog/post/limbo-pass.html
- Size: 6.78 MB
- Stars: 17
- Watchers: 1
- Forks: 1
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# limbo pass
a little game, limbo on a mountain pass
## run the game
build / run with the **release** flag so the overworld theme loads on time :)
```sh
cargo run --release
```
## wander
- space bar
- ← ↑ ↓ →
- w a s d
## look
- hold ctrl and move the mouse to orbit the camera around the scene
- scroll to zoom
- secondary click / right click for a slow camera pan
## about
- limbo pass was written with rust, bevy, and the amazing bevy plugins bevy_kira_audio, bevy_rapier3d, and smooth-bevy-cameras. the scene was modled in blender 3.2.0 alpha
- the overworld theme was made on an op-1, using the the deep space string synthesizer and tombola sequencer - then post processed with ffmpeg. if you just want to hear the theme, it's also listenable on [soundcloud](https://soundcloud.com/wanderball)
## why
mostly this little game was me figuring out how to use blender assets in bevy and then how to make the ghost's movement respect the surfaces of the terrain. i drew a lot of inspiration and owe a lot of lightbulb moments to the @sdfgeoff projects [blender_bevy_toolkit](https://github.com/sdfgeoff/blender_bevy_toolkit) and [blender_bevy_top_down_space_shooter](blender_bevy_top_down_space_shooter).
## blender
some details on implementation on the blender side. in case you're curious or looking for examples of how to do this sort of stuff yourself like i was at every step of the way.
- the scenes used for this project live in `blend/limbo_pass.blend` and are exported to `limbo_pass/assets/gltf/limbo_pass.gltf`
- this project gets both scenes and the terrain mesh by name so make sure you keep track of those :)
- the ghost's origin is somewhere near the object's center of mass but I toggled it a bit. on the bevy / rapier3d side, the scene shares a transform with a sphere collider and because the ghost's shape is irregular it needed a bit of adjusting to match the collider's vertical area
- i ended up doing some... cursed looking things i probably didn't have to to get the terrain's vertices and indexes for the trimesh collider, if you can point me at a better solution I'd be glad for it :)
- i left this commented out in the main function, it was very helpful when developing colliders to see them rendered `.add_plugin(RapierDebugRenderPlugin::default())`
