1 files changed, 0 insertions, 32 deletions
diff --git a/src/dielectric.cpp b/src/dielectric.cpp
deleted file mode 100644
index 80ca069..0000000
--- a/src/dielectric.cpp
+++ /dev/null
@@ -1,32 +0,0 @@
-#include "dielectric.hpp"
-#include "rt.hpp"
-#include "hittable.hpp"
-
-dielectric::dielectric(double index_of_refraction)
-    : ior(index_of_refraction) {}
-
-bool dielectric::scatter(const ray& r, const struct hit_info& info, color& attenuation, ray& scattered) const {
-    auto unit_direction = r.direction.unit();
-    auto refraction_ratio = info.front_face ? (1.0 / ior) : ior;
-    double cos_theta = fmin(info.normal.dot(-unit_direction), 1.0);
-    double sin_theta = sqrt(1.0 - cos_theta * cos_theta);
-
-    vec3 direction;
-    if (refraction_ratio * sin_theta > 1.0 || reflectance(cos_theta, refraction_ratio) > randd()) {
-        direction = reflect(unit_direction, info.normal);
-    } else {
-        direction = refract(unit_direction, info.normal, refraction_ratio);
-    }
-
-    scattered = ray { info.point, direction };
-    attenuation = { 1.0, 1.0, 1.0 };
-
-    return true;
-}
-
-double dielectric::reflectance(double cosine, double ref_idx) {
-    // Use Schlick's approximation for reflectance.
-    auto r0 = (1 - ref_idx) / (1 + ref_idx);
-    r0 = r0 * r0;
-    return r0 + (1 - r0) * pow ((1 - cosine), 5);
-}