elias/big_space_with_trim
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0.6 release

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Aevyrie 2024-04-13 22:43:46 -07:00
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2
Cargo.toml
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@ -1,6 +1,6 @@
[package]
name = "big_space"
version = "0.5.0"
version = "0.6.0"
edition = "2021"
description = "A floating origin plugin for bevy"
license = "MIT OR Apache-2.0"

6
README.md
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@ -19,7 +19,9 @@ https://user-images.githubusercontent.com/2632925/215318129-5bab3095-a7dd-455b-a
Lots of space to play in.
This is a simple floating origin plugin, useful if you want to work with very, very large scales. It works with bevy's existing `f32`-based `Transform`s, which means it's largely compatible with the bevy ecosystem.
This is a simple floating origin plugin, useful if you want to work with very, very large scales. It works with bevy's existing `f32`-based `Transform`s, which means it's largely compatible with the bevy ecosystem. The plugin positions entities within large fixed precision grids, effectively adding precision to the location of objects.
Additionally, you can use reference frames to nest high precision coordinate systems. For example you might want to put all entities on a planet into the same reference frame. You can then rotate this reference frame with the planet, and orbit that planet around a star.
The plugin is generic over a few integer types, to trade off scale and precision for memory use. Some fun numbers with a worst case precision of 0.5mm:
- `i8`: 2,560 km = 74% of the diameter of the Moon
@ -36,7 +38,7 @@ I intend to track the `main` branch of Bevy. PRs supporting this are welcome!
| bevy | big_space |
| ---- | --------- |
| 0.13 | 0.5 |
| 0.13 | 0.5, 0.6 |
| 0.12 | 0.4 |
| 0.11 | 0.3 |
| 0.10 | 0.2 |