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**Problem**
- whenever you want more than one of the builtin cameras (for example multiple windows, split screen, portals), you need to add a render graph node that executes the correct sub graph, extract the camera into the render world and add the correct `RenderPhase<T>` components
- querying for the 3d camera is annoying because you need to compare the camera's name to e.g. `CameraPlugin::CAMERA_3d`
**Solution**
- Introduce the marker types `Camera3d`, `Camera2d` and `CameraUi`
-> `Query<&mut Transform, With<Camera3d>>` works
- `PerspectiveCameraBundle::new_3d()` and `PerspectiveCameraBundle::<Camera3d>::default()` contain the `Camera3d` marker
- `OrthographicCameraBundle::new_3d()` has `Camera3d`, `OrthographicCameraBundle::new_2d()` has `Camera2d`
- remove `ActiveCameras`, `ExtractedCameraNames`
- run 2d, 3d and ui passes for every camera of their respective marker
-> no custom setup for multiple windows example needed
**Open questions**
- do we need a replacement for `ActiveCameras`? What about a component `ActiveCamera { is_active: bool }` similar to `Visibility`?
Co-authored-by: Carter Anderson <mcanders1@gmail.com>
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|---|---|---|
| .. | ||
| 3d_scene.rs | ||
| lighting.rs | ||
| load_gltf.rs | ||
| many_cubes.rs | ||
| msaa.rs | ||
| orthographic.rs | ||
| parenting.rs | ||
| pbr.rs | ||
| render_to_texture.rs | ||
| shadow_biases.rs | ||
| shadow_caster_receiver.rs | ||
| spherical_area_lights.rs | ||
| texture.rs | ||
| update_gltf_scene.rs | ||
| wireframe.rs | ||