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Aevyrie c4139fe296 Transform Propagation Optimization: Static Subtree Marking (#18589) 
# Objective

- Optimize static scene performance by marking unchanged subtrees.
-
[bef0209](bef0209de1)
fixes #18255 and #18363.
- Closes #18365 
- Includes change from #18321

## Solution

- Mark hierarchy subtrees with dirty bits to avoid transform propagation
where not needed
- This causes a performance regression when spawning many entities, or
when the scene is entirely dynamic.
- This results in massive speedups for largely static scenes.
- In the future we could allow the user to change this behavior, or add
some threshold based on how dynamic the scene is?

## Testing

- Caldera Hotel scene
2025-03-30 10:21:20 +02:00
..
src Transform Propagation Optimization: Static Subtree Marking (#18589) 2025-03-30 10:21:20 +02:00
Cargo.toml Release 0.16.0-rc.2 2025-03-26 19:18:20 +01:00
LICENSE-APACHE Cleanup publish process (#17728) 2025-02-09 17:46:19 +00:00
LICENSE-MIT Cleanup publish process (#17728) 2025-02-09 17:46:19 +00:00
README.md Add README.md to all crates (#13184) 2024-05-02 18:56:00 +00:00

README.md

Bevy Transform

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This crate contains types and functions associated with the Transform component.