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library: render: scene: normalize vectors

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This commit is contained in:
Bruno BELANYI 2020-03-21 01:44:54 +01:00
parent fccf3caef1
commit 16066a3c7d
1 changed files with 2 additions and 2 deletions
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4
src/render/scene.rs
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@ -298,7 +298,7 @@ impl Scene {
fn reflected(incident: Vector, normal: Vector) -> Vector {
let proj = incident.dot(&normal);
let delt = normal * (proj * 2.);
incident - delt
(incident - delt).normalize()
}
/// Returns None if the ray was totally reflected, Some(refracted_ray, reflected_amount) if not
@ -317,7 +317,7 @@ fn refracted(incident: Vector, normal: Vector, n_1: f32, n_2: f32) -> Option<(Ve
let f_t = (n_1 * cos2 - n_2 * cos1) / (n_1 * cos2 + n_2 * cos1);
let refl_t = (f_r * f_r + f_t * f_t) / 2.;
//Some((refracted, 0.))
Some((refracted, refl_t))
Some((refracted.normalize(), refl_t))
}
#[derive(Debug, PartialEq, Deserialize)]