ncollide2d 0.16.0

2 and 3-dimensional collision detection library in Rust.
Documentation 
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use na::{self, Real};
use utils::IsometryOps;
use bounding_volume::{HasBoundingVolume, AABB};
use shape::Compound;
use math::Isometry;

impl<N: Real> HasBoundingVolume<N, AABB<N>> for Compound<N> {
    #[inline]
    fn bounding_volume(&self, m: &Isometry<N>) -> AABB<N> {
        let bv = self.bvt().root_bounding_volume().unwrap();
        let ls_center = bv.center();
        let center = m * ls_center;
        let half_extents = (*bv.maxs() - *bv.mins()) / na::convert::<f64, N>(2.0);
        let ws_half_extents = m.absolute_transform_vector(&half_extents);

        AABB::new(center + (-ws_half_extents), center + ws_half_extents)
    }
}