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bevy/examples/stress_tests
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Shane 484721be80
Have EntityCommands methods consume self for easier chaining (#14897) 
# Objective

Fixes #14883

## Solution

Pretty simple update to `EntityCommands` methods to consume `self` and
return it rather than taking `&mut self`. The things probably worth
noting:

* I added `#[allow(clippy::should_implement_trait)]` to the `add` method
because it causes a linting conflict with `std::ops::Add`.
* `despawn` and `log_components` now return `Self`. I'm not sure if
that's exactly the desired behavior so I'm happy to adjust if that seems
wrong.

## Testing

Tested with `cargo run -p ci`. I think that should be sufficient to call
things good.

## Migration Guide

The most likely migration needed is changing code from this:

```
        let mut entity = commands.get_or_spawn(entity);

        if depth_prepass {
            entity.insert(DepthPrepass);
        }
        if normal_prepass {
            entity.insert(NormalPrepass);
        }
        if motion_vector_prepass {
            entity.insert(MotionVectorPrepass);
        }
        if deferred_prepass {
            entity.insert(DeferredPrepass);
        }
```

to this:

```
        let mut entity = commands.get_or_spawn(entity);

        if depth_prepass {
            entity = entity.insert(DepthPrepass);
        }
        if normal_prepass {
            entity = entity.insert(NormalPrepass);
        }
        if motion_vector_prepass {
            entity = entity.insert(MotionVectorPrepass);
        }
        if deferred_prepass {
            entity.insert(DeferredPrepass);
        }
```

as can be seen in several of the example code updates here. There will
probably also be instances where mutable `EntityCommands` vars no longer
need to be mutable.
2024-08-26 18:24:59 +00:00
..
bevymark.rs Add AlphaMask2d phase (#14724) 2024-08-15 14:10:37 +00:00
many_animated_sprites.rs Remove redundant imports (#12817) 2024-04-01 19:59:08 +00:00
many_buttons.rs Have EntityCommands methods consume self for easier chaining (#14897) 2024-08-26 18:24:59 +00:00
many_cubes.rs Have EntityCommands methods consume self for easier chaining (#14897) 2024-08-26 18:24:59 +00:00
many_foxes.rs glTF labels: add enum to avoid misspelling and keep up-to-date list documented (#13586) 2024-05-31 23:25:57 +00:00
many_gizmos.rs Apply Clippy lints regarding lazy evaluation and closures (#14015) 2024-07-01 15:54:40 +00:00
many_glyphs.rs Cosmic text (#10193) 2024-07-04 20:41:08 +00:00
many_lights.rs Rename "point light" to "clusterable object" in cluster contexts. (#13654) 2024-06-04 11:01:13 +00:00
many_sprites.rs Remove redundant imports (#12817) 2024-04-01 19:59:08 +00:00
README.md Add a stress test profile (#6901) 2022-12-20 15:59:41 +00:00
text_pipeline.rs Cosmic text (#10193) 2024-07-04 20:41:08 +00:00
transform_hierarchy.rs Have EntityCommands methods consume self for easier chaining (#14897) 2024-08-26 18:24:59 +00:00
warning_string.txt Added performance warning when running stress test examples in debug mode (#5029) 2022-07-13 19:13:46 +00:00

README.md

Stress tests

These examples are used to stress test Bevy's performance in various ways. These should be run with the "stress-test" profile to accurately represent performance in production, otherwise they will run in cargo's default "dev" profile which is very slow.

Example Command

cargo run --profile stress-test --example <EXAMPLE>