re_view_spatial 0.31.4

Views that show entities in a 2D or 3D spatial relationship.
Documentation 
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//! Rerun Spatial Views
//!
//! Views that show entities in a 2D or 3D spatial relationship.

mod caches;
mod contexts;
mod eye;
mod heuristics;
mod max_image_dimension_subscriber;
mod mesh_loader;
mod pickable_textured_rect;
mod picking;
mod picking_ui;
mod picking_ui_pixel;
mod pinhole;
mod pinhole_wrapper;
mod proc_mesh;
mod scene_bounding_boxes;
mod shared_fallbacks;
mod spatial_topology;
mod ui;
mod ui_2d;
mod ui_3d;
mod view_2d;
mod view_3d;
mod visualizers;

pub(crate) use pickable_textured_rect::{PickableRectSourceData, PickableTexturedRect};
pub(crate) use pinhole::Pinhole;
use re_sdk_types::blueprint::archetypes::Background;
use re_sdk_types::blueprint::components::BackgroundKind;
use re_sdk_types::components::Color;
// ---
use re_viewer_context::ViewContext;
use re_viewport_blueprint::{ViewProperty, ViewPropertyQueryError};
pub use ui::SpatialViewState;
pub use view_2d::SpatialView2D;
pub use view_3d::SpatialView3D;

// Export some other types that are useful for extensions.
pub use contexts::TransformTreeContext;

mod view_kind {
    #[derive(Debug, Clone, Copy, PartialEq, Eq)]
    pub enum SpatialViewKind {
        TwoD,
        ThreeD,
    }
}

pub fn configure_background(
    ctx: &ViewContext<'_>,
    background: &ViewProperty,
) -> Result<(Option<re_renderer::QueueableDrawData>, re_renderer::Rgba), ViewPropertyQueryError> {
    use re_renderer::renderer;

    let kind: BackgroundKind =
        background.component_or_fallback(ctx, Background::descriptor_kind().component)?;

    match kind {
        BackgroundKind::GradientDark => Ok((
            Some(
                renderer::GenericSkyboxDrawData::new(
                    ctx.render_ctx(),
                    renderer::GenericSkyboxType::GradientDark,
                )
                .into(),
            ),
            re_renderer::Rgba::TRANSPARENT, // All zero is slightly faster to clear usually.
        )),

        BackgroundKind::GradientBright => Ok((
            Some(
                renderer::GenericSkyboxDrawData::new(
                    ctx.render_ctx(),
                    renderer::GenericSkyboxType::GradientBright,
                )
                .into(),
            ),
            re_renderer::Rgba::TRANSPARENT, // All zero is slightly faster to clear usually.
        )),

        BackgroundKind::SolidColor => {
            let color: Color =
                background.component_or_fallback(ctx, Background::descriptor_color().component)?;
            Ok((None, color.into()))
        }
    }
}