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bevy/crates/bevy_transform
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Robert Swain 54d2e86afc bevy_transform: Use Changed in the query for much faster transform_propagate_system (#4180) 
# Objective

- Improve transform propagation performance

## Solution

- Use `Changed<Transform>` as part of the `root_query` and `transform_query` to avoid the indirection of having to look up the `Entity` in the `changed_transform_query`
- Get rid of the `changed_transform_query` entirely
- `transform_propagate_system` execution time for `many_cubes -- sphere` dropped from 1.07ms to 0.159ms, an 85% reduction for this system. Frame rate increased from ~42fps to ~44fps
2022-03-29 03:05:01 +00:00
..
src bevy_transform: Use Changed in the query for much faster transform_propagate_system (#4180) 2022-03-29 03:05:01 +00:00
Cargo.toml Bump Bevy to 0.7.0-dev (#4230) 2022-03-19 03:54:15 +00:00
README.md transform: remove some dependencies and cleanup 2020-07-10 01:49:23 -07:00

README.md

Bevy Transform

This crate is largely a 1:1 port from legion_transform (ecs: legion, math: nalgebra) to bevy (ecs: bevy_ecs, math: glam)