From 13e018067631a7401df5b232f95f3d1f7a0cd75c Mon Sep 17 00:00:00 2001 From: Julian T Date: Sun, 1 Aug 2021 23:24:44 +0200 Subject: Readd reflective material --- src/material/reflectant.rs | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'src/material/reflectant.rs') diff --git a/src/material/reflectant.rs b/src/material/reflectant.rs index dea7aca..b5ec0ae 100644 --- a/src/material/reflectant.rs +++ b/src/material/reflectant.rs @@ -18,14 +18,14 @@ impl Reflectant { } } -fn reflect(v: &Vector3f, n: &Vector3f) -> Vector3f { - *v - *n * (2.0 * v.dot(n)) +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); + let mut reflected = reflect(ray.direction, i.n); if let Some(fuzz) = self.fuzz { reflected += &(sampler.get_unit_vector() * fuzz); } -- cgit v1.2.3