ncollide3d/bounding_volume/
bounding_sphere_cone.rs

1use simba::scalar::RealField;
2
3use crate::bounding_volume::{BoundingSphere, HasBoundingVolume};
4use crate::math::{Isometry, Point};
5use crate::shape::Cone;
6
7impl<N: RealField + Copy> HasBoundingVolume<N, BoundingSphere<N>> for Cone<N> {
8    #[inline]
9    fn bounding_volume(&self, m: &Isometry<N>) -> BoundingSphere<N> {
10        let bv: BoundingSphere<N> = self.local_bounding_volume();
11        bv.transform_by(m)
12    }
13
14    #[inline]
15    fn local_bounding_volume(&self) -> BoundingSphere<N> {
16        let radius = (self.radius * self.radius + self.half_height * self.half_height).sqrt();
17
18        BoundingSphere::new(Point::origin(), radius)
19    }
20}