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use fj_math::Transform;

use crate::{
    geometry::surface::SurfaceGeometry, objects::Objects,
    partial::PartialSurface, validate::ValidationError,
};

use super::TransformObject;

impl TransformObject for PartialSurface {
    fn transform(
        self,
        transform: &Transform,
        _: &Objects,
    ) -> Result<Self, ValidationError> {
        let geometry = self.geometry.map(|geometry| {
            let u = geometry.u.transform(transform);
            let v = transform.transform_vector(&geometry.v);

            SurfaceGeometry { u, v }
        });

        Ok(Self { geometry })
    }
}