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-rw-r--r--src/material/reflectant.rs40
1 files changed, 0 insertions, 40 deletions
diff --git a/src/material/reflectant.rs b/src/material/reflectant.rs
deleted file mode 100644
index b5ec0ae..0000000
--- a/src/material/reflectant.rs
+++ /dev/null
@@ -1,40 +0,0 @@
-use crate::Float;
-use crate::core::{Ray, Spectrum, Vector3f};
-use crate::world::Intersection;
-use super::Material;
-use crate::sample::Sampler;
-
-pub struct Reflectant {
- color: Spectrum,
- fuzz: Option<Float>,
-}
-
-impl Reflectant {
- pub fn new(c: Spectrum, fuzz: Option<Float>) -> Reflectant {
- Reflectant {
- color: c,
- fuzz,
- }
- }
-}
-
-pub fn reflect(v: Vector3f, n: Vector3f) -> Vector3f {
- v - n * (2.0 * v.dot(&n))
-}
-
-impl Material for Reflectant {
- fn scatter(&self, ray: &Ray, i: &Intersection, sampler: &mut dyn Sampler) -> Option<(Spectrum, Ray)> {
- // Find reflectance vector
- let mut reflected = reflect(ray.direction, i.n);
- if let Some(fuzz) = self.fuzz {
- reflected += &(sampler.get_unit_vector() * fuzz);
- }
-
- Some((
- self.color,
- Ray::new(i.p, reflected.norm()),
- ))
- }
-}
-
-