Colliders from primitives #326
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They added a lot of complexity and weren't working properly.
Jondolf
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Feb 20, 2024
# Objective Closes #314 and #317. This PR will be merged once Bevy 0.13 is released. Feel free to use this `bevy-main` branch in the meantime if you want to use the main branch of Bevy with `bevy_xpbd`. ## Solution Update to the latest Bevy version. For the 0.13 migration, I will be trying to implement various changes, mostly surrounding the new geometric primitives and ray structs. I will probably do these in PRs that I merge into this one, and it will all be merged into main once 0.13 is actually released. - [x] Combine `PhysicsDebugRenderer` and `PhysicsDebugConfig` into `PhysicsGizmos` gizmo configuration group - [x] Support creating colliders from primitives #326 - [x] Support ellipses and regular polygons as colliders (conical frusta and tori later) #326 - [x] Support creating `ShapeCaster`s with primitive shapes - [x] Use `Direction2d`/`Direction3d` in spatial query APIs #329 --- ## Migration Guide ### Debug rendering The `PhysicsDebugConfig` resource and `PhysicsDebugRenderer` system parameter have been removed in favor of the new `PhysicsGizmos` [gizmo configuration group](https://bevyengine.org/news/bevy-0-13/#multiple-gizmo-configurations). Before: ```rust fn main() { App::new() .add_plugins(( DefaultPlugins, PhysicsPlugins::default(), PhysicsDebugPlugin::default(), )) // Configure physics debug rendering .insert_resource(PhysicsDebugConfig { aabb_color: Some(Color::WHITE), ..default() }) .run(); } ``` After: ```rust fn main() { App::new() .add_plugins(( DefaultPlugins, PhysicsPlugins::default(), PhysicsDebugPlugin::default(), )) // Configure physics debug rendering .insert_gizmo_group( PhysicsGizmos { aabb_color: Some(Color::WHITE), ..default() }, GizmoConfig::default(), ) .run(); } ``` This also allows you to configure e.g. line width for just physics gizmos by configuring their `GizmoConfig`. ### Renamed `Collider` constructors (#326) - Replace `Collider::ball` with `Collider::circle` in 2D and `Collider::sphere` in 3D - Replace `Collider::cuboid` with `Collider::rectangle` in 2D ### Ray and shape casting (#329) For spatial queries, replace `Vec2`/`Vec3` directions with [`Direction2d`](https://docs.rs/bevy/0.13.0/bevy/math/primitives/struct.Direction2d.html)/[`Direction3d`](https://docs.rs/bevy/0.13.0/bevy/math/primitives/struct.Direction3d.html). ```rust // Before let caster = RayCaster::new(Vec3::ZERO, Vec3::X); // After let caster = RayCaster::new(Vec3::ZERO, Direction3d::X); ``` This applies to `RayCaster`, `ShapeCaster`, `SpatialQuery` methods like `cast_ray`, and many other methods that use directions.
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Objective
Support creating colliders from the new geometric primitives in Bevy 0.13.
Solution
Add an
IntoCollidertrait and implement it for primitives. For now, tori and conical frusta are not supported, as they aren't as trivial to implement.Some new collider shapes are also supported: ellipses and regular polygons. These are implemented using custom shapes, as Parry doesn't have them built-in.
Collider::ballis now alsoCollider::circlein 2D andCollider::spherein 3D.Collider::cuboidisCollider::rectanglein 2D. This makes the naming consistent with Bevy.Migration Guide
Collider::ballwithCollider::circlein 2D andCollider::spherein 3DCollider::cuboidwithCollider::rectanglein 2D