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| author | Nat Lasseter <user@4574.co.uk> | 2024-06-12 23:19:56 +0100 |
|---|---|---|
| committer | Nat Lasseter <user@4574.co.uk> | 2024-06-12 23:19:56 +0100 |
| commit | 523f9439ed0d2e4c2d51edc623b6c4d62885cfdd (patch) | |
| tree | 38a5f147ed09b90f3f6d395f91c5254c40be2854 /lib/hittable.rb | |
| parent | 1bc4829392b3c91737fbe4ddccd81098ac9d8a12 (diff) | |
Finished chapter 9
Diffstat (limited to 'lib/hittable.rb')
| -rw-r--r-- | lib/hittable.rb | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/hittable.rb b/lib/hittable.rb index 80254d1..c84764f 100644 --- a/lib/hittable.rb +++ b/lib/hittable.rb @@ -8,8 +8,8 @@ class HitRecord attr_accessor :point, :normal, :t def set_face_normal(ray, out_normal) - @front_face = ray.direction.dot(out_normal) < 0 - @normal = @front_face ? out_normal : -out_normal + front_face = ray.direction.dot(out_normal) < 0 + @normal = front_face ? out_normal : -out_normal end end |