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Extend the default render range of 2D camera (#9310)
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# Objective

- Fixes #9138

## Solution

- Calling `Camera2dBundle::default()` will now result in a
`Camera2dBundle` with `Vec3::ZERO` transform, `far` value of `1000.` and
`near` value of `-1000.`.
- This will enable the rendering of 2d entities in negative z space by
default.
- I did not modify `new_with_far` as moving the camera to `Vec3::ZERO`
in that function will cause entities in the positive z space to become
hidden without further changes. And the further changes cannot be
applied without it being a breaking change.
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opstic authored Jul 31, 2023
1 parent f14300e commit fb19b81
Showing 1 changed file with 26 additions and 1 deletion.
27 changes: 26 additions & 1 deletion crates/bevy_core_pipeline/src/core_2d/camera_2d.rs
Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,32 @@ pub struct Camera2dBundle {

impl Default for Camera2dBundle {
fn default() -> Self {
Self::new_with_far(1000.0)
let projection = OrthographicProjection {
far: 1000.,
near: -1000.,
..Default::default()
};
let transform = Transform::default();
let view_projection =
projection.get_projection_matrix() * transform.compute_matrix().inverse();
let frustum = Frustum::from_view_projection_custom_far(
&view_projection,
&transform.translation,
&transform.back(),
projection.far(),
);
Self {
camera_render_graph: CameraRenderGraph::new(crate::core_2d::graph::NAME),
projection,
visible_entities: VisibleEntities::default(),
frustum,
transform,
global_transform: Default::default(),
camera: Camera::default(),
camera_2d: Camera2d::default(),
tonemapping: Tonemapping::None,
deband_dither: DebandDither::Disabled,
}
}
}

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