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library: render: scene: calculate rays w/ camera

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This commit is contained in:
Bruno BELANYI 2020-03-29 19:33:23 +02:00
parent 78d5954419
commit 2f3224ea07
1 changed files with 4 additions and 5 deletions
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9
pathtracer/src/render/scene.rs
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@ -123,16 +123,15 @@ impl Scene {
/// Get pixel color for (x, y) a pixel **coordinate** /// Get pixel color for (x, y) a pixel **coordinate**
fn pixel(&self, x: f32, y: f32) -> LinearColor { fn pixel(&self, x: f32, y: f32) -> LinearColor {
let (x, y) = self.camera.film().pixel_ratio(x, y); let (x, y) = self.camera.film().pixel_ratio(x, y);
let pixel = self.camera.film().pixel_at_ratio(x, y);
let direction = Unit::new_normalize(pixel - self.camera.origin());
let indices = RefractionInfo::with_index(self.diffraction_index); let indices = RefractionInfo::with_index(self.diffraction_index);
self.cast_ray(Ray::new(pixel, direction)).map_or_else( let ray = self.camera.ray_with_ratio(x, y);
self.cast_ray(ray).map_or_else(
|| self.background.clone(), || self.background.clone(),
|(t, obj)| { |(t, obj)| {
self.color_at( self.color_at(
pixel + direction.as_ref() * t, ray.origin + ray.direction.as_ref() * t,
obj, obj,
direction, ray.direction,
self.reflection_limit, self.reflection_limit,
indices, indices,
) )