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| author | Nat Lasseter <user@4574.co.uk> | 2024-06-13 14:38:50 +0100 |
|---|---|---|
| committer | Nat Lasseter <user@4574.co.uk> | 2024-06-13 14:38:50 +0100 |
| commit | 69e0357135a49157ed7a8c2e57c331e960422e15 (patch) | |
| tree | 2402ef255cf24afff14ac653826386e615faee8b /lib/hittable.rb | |
| parent | b976ce98be7275bf92e01f6c86bf2b694530481e (diff) | |
Chapter 11
Diffstat (limited to 'lib/hittable.rb')
| -rw-r--r-- | lib/hittable.rb | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/hittable.rb b/lib/hittable.rb index facdd14..2a433d8 100644 --- a/lib/hittable.rb +++ b/lib/hittable.rb @@ -2,12 +2,12 @@ class HitRecord def initialize(point, t, ray, out_normal, material) @point = point @t = t - 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 @material = material end - attr_accessor :point, :normal, :t, :material + attr_reader :point, :normal, :t, :front_face, :material end class Hittable |