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# Objective Currently, the `Capsule` primitive is technically dimension-agnostic in that it implements both `Primitive2d` and `Primitive3d`. This seems good on paper, but it can often be useful to have separate 2D and 3D versions of primitives. For example, one might want a two-dimensional capsule mesh. We can't really implement both 2D and 3D meshing for the same type using the upcoming `Meshable` trait (see #11431). We also currently don't implement `Bounded2d` for `Capsule`, see https://github.com/bevyengine/bevy/pull/11336#issuecomment-1890797788. Having 2D and 3D separate at a type level is more explicit, and also more consistent with the existing primitives, as there are no other types that implement both `Primitive2d` and `Primitive3d` at the same time. ## Solution Rename `Capsule` to `Capsule3d` and add `Capsule2d`. `Capsule2d` implements `Bounded2d`. For now, I went for `Capsule2d` for the sake of consistency and clarity. Mathematically the more accurate term would be `Stadium` or `Pill` (see [Wikipedia](https://en.wikipedia.org/wiki/Stadium_(geometry))), but those might be less obvious to game devs. For reference, Godot has [`CapsuleShape2D`](https://docs.godotengine.org/en/stable/classes/class_capsuleshape2d.html). I can rename it if others think the geometrically correct name is better though. --- ## Changelog - Renamed `Capsule` to `Capsule3d` - Added `Capsule2d` with `Bounded2d` implemented --------- Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com> |
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| bevy_a11y | ||
| bevy_animation | ||
| bevy_app | ||
| bevy_asset | ||
| bevy_audio | ||
| bevy_core | ||
| bevy_core_pipeline | ||
| bevy_derive | ||
| bevy_diagnostic | ||
| bevy_dylib | ||
| bevy_dynamic_plugin | ||
| bevy_ecs | ||
| bevy_ecs_compile_fail_tests | ||
| bevy_encase_derive | ||
| bevy_gilrs | ||
| bevy_gizmos | ||
| bevy_gltf | ||
| bevy_hierarchy | ||
| bevy_input | ||
| bevy_internal | ||
| bevy_log | ||
| bevy_macro_utils | ||
| bevy_macros_compile_fail_tests | ||
| bevy_math | ||
| bevy_mikktspace | ||
| bevy_pbr | ||
| bevy_ptr | ||
| bevy_reflect | ||
| bevy_reflect_compile_fail_tests | ||
| bevy_render | ||
| bevy_scene | ||
| bevy_sprite | ||
| bevy_tasks | ||
| bevy_text | ||
| bevy_time | ||
| bevy_transform | ||
| bevy_ui | ||
| bevy_utils | ||
| bevy_window | ||
| bevy_winit | ||