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use crate::bounding_volume::BoundingSphere;
use crate::math::{Isometry, Real};
use crate::shape::{GenericHeightField, HeightFieldCellStatus, HeightFieldStorage};

impl<Heights, Status> GenericHeightField<Heights, Status>
where
    Heights: HeightFieldStorage<Item = Real>,
    Status: HeightFieldStorage<Item = HeightFieldCellStatus>,
{
    /// Computes the world-space bounding sphere of this height-field, transformed by `pos`.
    #[inline]
    pub fn bounding_sphere(&self, pos: &Isometry<Real>) -> BoundingSphere {
        self.local_aabb().bounding_sphere().transform_by(pos)
    }

    /// Computes the local-space bounding sphere of this height-field.
    #[inline]
    pub fn local_bounding_sphere(&self) -> BoundingSphere {
        self.local_aabb().bounding_sphere()
    }
}