openusd 0.5.0

Rust native USD library
Documentation 
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//! `UsdGeomBoundable` — prims with a computable bounding extent.

use anyhow::Result;

use crate::usd::Attribute;

use super::tokens as tok;
use super::Xformable;

/// A prim with a bounding extent (C++ `UsdGeomBoundable`). Inherits
/// [`Xformable`].
pub trait Boundable: Xformable {
    /// The local-space axis-aligned bounding box as the two corners
    /// `[min, max]`, used as a fast, authored bound for the prim's geometry.
    /// C++ `UsdGeomBoundable::GetExtentAttr`.
    ///
    /// Type `float3[]`. Fetch with `get::<Vec<gf::Vec3f>>()?`.
    fn extent_attr(&self) -> Attribute {
        self.prim().attribute(tok::A_EXTENT)
    }

    /// Author the `extent` attribute (`float3[]`), returning its handle
    /// (C++ `CreateExtentAttr`).
    fn create_extent_attr(&self) -> Result<Attribute> {
        Ok(self
            .prim()
            .create_attribute(tok::A_EXTENT, "float3[]")?
            .set_custom(false)?)
    }
}