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Fixed bug in plane intersection test

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bijan-S 2021-05-05 21:48:22 -04:00
parent 6d2a1407bf
commit cd94c7ad6f
1 changed files with 1 additions and 1 deletions
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src/object/plane.rs
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@ -67,7 +67,7 @@ impl Surface for Plane {
fn intersect(&self, ray: Ray) -> Option<f32> {
let d = self.normal.dot(&ray.direction);
if d < 1e-3 { return None; }
if d > -1e-3 { return None; }
let t = (self.center - ray.origin).dot(&*self.normal) / d;