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# Objective Add a convenient immediate mode drawing API for visual debugging. Fixes #5619 Alternative to #1625 Partial alternative to #5734 Based off https://github.com/Toqozz/bevy_debug_lines with some changes: * Simultaneous support for 2D and 3D. * Methods for basic shapes; circles, spheres, rectangles, boxes, etc. * 2D methods. * Removed durations. Seemed niche, and can be handled by users. <details> <summary>Performance</summary> Stress tested using Bevy's recommended optimization settings for the dev profile with the following command. ```bash cargo run --example many_debug_lines \ --config "profile.dev.package.\"*\".opt-level=3" \ --config "profile.dev.opt-level=1" ``` I dipped to 65-70 FPS at 300,000 lines CPU: 3700x RAM Speed: 3200 Mhz GPU: 2070 super - probably not very relevant, mostly cpu/memory bound </details> <details> <summary>Fancy bloom screenshot</summary>  </details> ## Changelog * Added `GizmoPlugin` * Added `Gizmos` system parameter for drawing lines and wireshapes. ### TODO - [ ] Update changelog - [x] Update performance numbers - [x] Add credit to PR description ### Future work - Cache rendering primitives instead of constructing them out of line segments each frame. - Support for drawing solid meshes - Interactions. (See [bevy_mod_gizmos](https://github.com/LiamGallagher737/bevy_mod_gizmos)) - Fancier line drawing. (See [bevy_polyline](https://github.com/ForesightMiningSoftwareCorporation/bevy_polyline)) - Support for `RenderLayers` - Display gizmos for a certain duration. Currently everything displays for one frame (ie. immediate mode) - Changing settings per drawn item like drawing on top or drawing to different `RenderLayers` Co-Authored By: @lassade <felipe.jorge.pereira@gmail.com> Co-Authored By: @The5-1 <agaku@hotmail.de> Co-Authored By: @Toqozz <toqoz@hotmail.com> Co-Authored By: @nicopap <nico@nicopap.ch> --------- Co-authored-by: Robert Swain <robert.swain@gmail.com> Co-authored-by: IceSentry <c.giguere42@gmail.com> Co-authored-by: Carter Anderson <mcanders1@gmail.com> |
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|---|---|---|
| .. | ||
| bevymark.rs | ||
| many_animated_sprites.rs | ||
| many_buttons.rs | ||
| many_cubes.rs | ||
| many_foxes.rs | ||
| many_gizmos.rs | ||
| many_glyphs.rs | ||
| many_lights.rs | ||
| many_sprites.rs | ||
| README.md | ||
| text_pipeline.rs | ||
| transform_hierarchy.rs | ||
| warning_string.txt | ||
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>