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Adopted PR from dmlary, all credit to them! https://github.com/bevyengine/bevy/pull/9915 Original description: # Objective The default value for `near` in `OrthographicProjection` should be different for 2d & 3d. For 2d using `near = -1000` allows bevy users to build up scenes using background `z = 0`, and foreground elements `z > 0` similar to css. However in 3d `near = -1000` results in objects behind the camera being rendered. Using `near = 0` works for 3d, but forces 2d users to assign `z <= 0` for rendered elements, putting the background at some arbitrary negative value. There is no common value for `near` that doesn't result in a footgun or usability issue for either 2d or 3d, so they should have separate values. There was discussion about other options in the discord [0](https://discord.com/channels/691052431525675048/1154114310042292325), but splitting `default()` into `default_2d()` and `default_3d()` seemed like the lowest cost approach. Related/past work https://github.com/bevyengine/bevy/issues/9138, https://github.com/bevyengine/bevy/pull/9214, https://github.com/bevyengine/bevy/pull/9310, https://github.com/bevyengine/bevy/pull/9537 (thanks to @Selene-Amanita for the list) ## Solution This commit splits `OrthographicProjection::default` into `default_2d` and `default_3d`. ## Migration Guide - In initialization of `OrthographicProjection`, change `..default()` to `..OrthographicProjection::default_2d()` or `..OrthographicProjection::default_3d()` Example: ```diff --- a/examples/3d/orthographic.rs +++ b/examples/3d/orthographic.rs @@ -20,7 +20,7 @@ fn setup( projection: OrthographicProjection { scale: 3.0, scaling_mode: ScalingMode::FixedVertical(2.0), - ..default() + ..OrthographicProjection::default_3d() } .into(), transform: Transform::from_xyz(5.0, 5.0, 5.0).looking_at(Vec3::ZERO, Vec3::Y), ``` --------- Co-authored-by: David M. Lary <dmlary@gmail.com> Co-authored-by: Jan Hohenheim <jan@hohenheim.ch> |
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