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library: render: pathtracer: use map_or_else

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This commit is contained in:
Bruno BELANYI 2020-04-06 15:07:43 +02:00
parent 482e6bea3f
commit c1801a7a78
1 changed files with 6 additions and 5 deletions
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9
pathtracer/src/render/pathtrace/pathtracer.rs
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@ -59,11 +59,12 @@ impl Pathtracer {
fn pixel_ray(&self, x: f32, y: f32) -> LinearColor {
let (x, y) = self.scene.camera.film().pixel_ratio(x, y);
let ray = self.scene.camera.ray_with_ratio(x, y);
if let Some(_) = self.cast_ray(ray) {
self.cast_ray(ray).map_or_else(
|| self.scene.background.clone(),
|(t, obj)| {
LinearColor::new(1., 1., 1.) // FIXME: calculate real color
} else {
LinearColor::black()
}
},
)
}
fn cast_ray(&self, ray: Ray) -> Option<(f32, &Object)> {