diff options
Diffstat (limited to 'src/scene/shapes/sphere.rs')
-rw-r--r-- | src/scene/shapes/sphere.rs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/scene/shapes/sphere.rs b/src/scene/shapes/sphere.rs index 3f07b9e..eaa6625 100644 --- a/src/scene/shapes/sphere.rs +++ b/src/scene/shapes/sphere.rs @@ -44,6 +44,7 @@ impl Hittable for Sphere { Some(Intersection { n: self.norm_at(&w), p: w, + t: distance, }) } @@ -63,7 +64,7 @@ mod tests { direction: Vector3f::new_xyz(0.0, 1.0, 1.5).norm(), }; - let dist = sph.intersect(&ray); - assert!((dist.unwrap() - 3.28).abs() < 0.01); + let dist = sph.intersect(&ray).unwrap(); + assert!((dist.t - 3.28).abs() < 0.01); } } |