From 0140db6247c0ec645c53d38f3e119c5a62d01d6c Mon Sep 17 00:00:00 2001
From: Jean-Michel Gorius <jean-michel.gorius@protonmail.com>
Date: Mon, 14 Nov 2022 11:06:35 +0100
Subject: [PATCH] Fix constant medium rendering

---
 hittable.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hittable.c b/hittable.c
index 8e2a22b..1e9d886 100644
--- a/hittable.c
+++ b/hittable.c
@@ -516,6 +516,9 @@ static bool constant_medium_hit(const ConstantMedium *constant_medium, Ray r,
   if (hit_distance > distance_inside_boundary)
     return false;
 
+  record->t += hit_distance / ray_length;
+  record->p = ray_at(r, record->t);
+
   /* Arbitrary values */
   record->normal = (Vec3){1.0, 0.0, 0.0};
   record->front_face = true;