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library: render: scene: add background color

This commit is contained in:
Bruno BELANYI 2020-03-25 00:08:34 +01:00
parent c2fd001430
commit 08063b5aa3
1 changed files with 17 additions and 7 deletions
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24
pathtracer/src/render/scene.rs
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@ -21,6 +21,7 @@ pub struct Scene {
lights: LightAggregate,
objects: Vec<Object>,
bvh: BVH,
background: LinearColor,
aliasing_limit: u32,
reflection_limit: u32,
diffraction_index: f32,
@ -55,6 +56,7 @@ impl Scene {
/// UniformTexture::new(LinearColor::new(0.5, 0.5, 0.5)).into(),
/// ),
/// ],
/// LinearColor::black(), // Background color
/// 5, // aliasing limit
/// 3, // reflection recursion limit
/// 0.0, // diffraction index
@ -64,6 +66,7 @@ impl Scene {
camera: Camera,
lights: LightAggregate,
mut objects: Vec<Object>,
background: LinearColor,
aliasing_limit: u32,
reflection_limit: u32,
diffraction_index: f32,
@ -75,6 +78,7 @@ impl Scene {
lights,
objects,
bvh,
background,
aliasing_limit,
reflection_limit,
diffraction_index,
@ -121,8 +125,9 @@ impl Scene {
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);
self.cast_ray(Ray::new(pixel, direction))
.map_or_else(LinearColor::black, |(t, obj)| {
self.cast_ray(Ray::new(pixel, direction)).map_or_else(
|| self.background.clone(),
|(t, obj)| {
self.color_at(
pixel + direction.as_ref() * t,
obj,
@ -130,7 +135,8 @@ impl Scene {
self.reflection_limit,
indices,
)
})
},
)
}
/// Get pixel color with anti-aliasing
@ -297,6 +303,8 @@ struct SerializedScene {
#[serde(default)]
objects: Vec<Object>,
#[serde(default)]
background: LinearColor,
#[serde(default)]
aliasing_limit: u32,
#[serde(default)]
reflection_limit: u32,
@ -310,6 +318,7 @@ impl From<SerializedScene> for Scene {
scene.camera,
scene.lights,
scene.objects,
scene.background,
scene.aliasing_limit,
scene.reflection_limit,
scene.starting_diffraction,
@ -347,10 +356,11 @@ mod test {
let _scene = Scene::new(
Camera::default(),
LightAggregate::empty(),
Vec::new(), // Objects list
5, // aliasing limit
3, // reflection recursion limit
0.0, // diffraction index
Vec::new(), // Objects list
LinearColor::black(), // Background color
5, // aliasing limit
3, // reflection recursion limit
0.0, // diffraction index
);
}
}