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https://github.com/bevyengine/bevy
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# Objective
Currently text is recomputed unnecessarily on any changes to its color,
which is extremely expensive.
## Solution
Split up `TextStyle` into two separate components `TextFont` and
`TextColor`.
## Testing
I added this system to `many_buttons`:
```rust
fn set_text_colors_changed(mut colors: Query<&mut TextColor>) {
for mut text_color in colors.iter_mut() {
text_color.set_changed();
}
}
```
reports ~4fps on main, ~50fps with this PR.
## Migration Guide
`TextStyle` has been renamed to `TextFont` and its `color` field has
been moved to a separate component named `TextColor` which newtypes
`Color`.
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|---|---|---|
| .. | ||
| files | ||
| processing | ||
| alter_mesh.rs | ||
| alter_sprite.rs | ||
| asset_decompression.rs | ||
| asset_loading.rs | ||
| asset_settings.rs | ||
| custom_asset.rs | ||
| custom_asset_reader.rs | ||
| embedded_asset.rs | ||
| extra_source.rs | ||
| hot_asset_reloading.rs | ||
| multi_asset_sync.rs | ||
| repeated_texture.rs | ||