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-rw-r--r--src/material/reflectant.rs6
1 files changed, 3 insertions, 3 deletions
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);
}