Improve Frustum struct readability #21508
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crates/bevy_camera/src/primitives.rs
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| let row2 = clip_from_world.row(2); | ||
| let row3 = clip_from_world.row(3); | ||
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| half_spaces[Self::LEFT_PLANE_IDX] = HalfSpace::new(row3 + row0); |
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I think this section could also be written as a simple array instead of assigning each element individually.
i.e. Self { half_spaces: [HalfSpace::new(row3 + row0), ..] }
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I think what you said makes sense. We don't even need to declare a mut half_space in advance and can directly return the value. However, some constants seem a bit redundant—I don't see where these constants are needed externally either.
crates/bevy_camera/src/primitives.rs
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| const NEAR_PLANE_IDX: usize = 4; | ||
| const FAR_PLANE_IDX: usize = 5; | ||
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| const INACTIVE_HALF_SPACE: Vec4 = Vec4::new(0.0, 0.0, 0.0, f32::MAX); |
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This is copied from the original code, but I'm wondering if it's correct to have a halfspace of NaNs here?
crates/bevy_camera/src/primitives.rs
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| const LEFT_PLANE_IDX: usize = 0; | ||
| const RIGHT_PLANE_IDX: usize = 1; | ||
| const BOTTOM_PLANE_IDX: usize = 2; | ||
| const TOP_PLANE_IDX: usize = 3; | ||
| const NEAR_PLANE_IDX: usize = 4; | ||
| const FAR_PLANE_IDX: usize = 5; |
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These could be pub, since half_spaces is pub as well, and is used outside of this module.
janis-bhm
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