122 lines
3.4 KiB
Rust
122 lines
3.4 KiB
Rust
use std::sync::Arc;
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use crate::{
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camera::Camera,
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constant_medium::ConstantMedium,
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cuboid::Cuboid,
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flip_normals::FlipNormals,
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hitable::Hit,
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hitable_list::HitableList,
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kdtree::KDTree,
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material::{DiffuseLight, Lambertian, Material},
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rect::{XYRect, XZRect, YZRect},
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renderer::{Opt, Scene},
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rotate::RotateY,
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texture::ConstantTexture,
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translate::Translate,
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vec3::Vec3,
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};
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pub fn new(opt: &Opt) -> Scene {
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let lookfrom = Vec3::new(278., 278., -800.);
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let lookat = Vec3::new(278., 278., 0.);
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let dist_to_focus = 10.0;
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let aperture = 0.0;
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let time_min = 0.;
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let time_max = 1.;
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let camera = Camera::new(
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lookfrom,
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lookat,
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Vec3::new(0., 1., 0.),
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40.,
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opt.width as f32 / opt.height as f32,
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aperture,
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dist_to_focus,
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time_min,
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time_max,
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);
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let red = Lambertian::new(ConstantTexture::new([0.65, 0.05, 0.05]));
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let white: Arc<dyn Material> =
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Arc::new(Lambertian::new(ConstantTexture::new([0.73, 0.73, 0.73])));
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let green = Lambertian::new(ConstantTexture::new([0.12, 0.45, 0.15]));
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let light = DiffuseLight::new(ConstantTexture::new([7., 7., 7.]));
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let objects: Vec<Box<dyn Hit>> = vec![
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// White smoke box on the right
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Box::new(ConstantMedium::new(
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Translate::new(
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RotateY::new(
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Cuboid::new(
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Vec3::new(0., 0., 0.),
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Vec3::new(165., 165., 165.),
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Arc::clone(&white),
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),
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-18.,
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),
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Vec3::new(130., 0., 65.),
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),
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0.01,
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ConstantTexture::new([1., 1., 1.]),
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)),
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// Black smoke box on the left
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Box::new(ConstantMedium::new(
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Translate::new(
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RotateY::new(
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Cuboid::new(
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Vec3::new(0., 0., 0.),
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Vec3::new(165., 330., 165.),
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Arc::clone(&white),
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),
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15.,
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),
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Vec3::new(265., 0., 295.),
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),
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0.01,
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ConstantTexture::new([0., 0., 0.]),
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)),
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// Green wall left
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Box::new(FlipNormals::new(YZRect::new(
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0., 555., 0., 555., 555., green,
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))),
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// Red floor right
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Box::new(YZRect::new(0., 555., 0., 555., 0., red)),
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// Light in ceiling
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Box::new(XZRect::new(113., 443., 127., 432., 554., light)),
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// Grey ceiling
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Box::new(FlipNormals::new(XZRect::new(
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0.,
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555.,
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0.,
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555.,
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555.,
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Arc::clone(&white),
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))),
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// Grey floor
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Box::new(XZRect::new(0., 555., 0., 555., 0., Arc::clone(&white))),
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// Grey back wall
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Box::new(FlipNormals::new(XYRect::new(
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0.,
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555.,
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0.,
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555.,
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555.,
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Arc::clone(&white),
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))),
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];
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let world: Box<dyn Hit> = if opt.use_accel {
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Box::new(KDTree::new(objects, time_min, time_max))
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} else {
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Box::new(HitableList::new(objects))
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};
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Scene {
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camera,
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world,
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subsamples: opt.subsamples,
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num_threads: opt.num_threads,
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width: opt.width,
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height: opt.height,
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..Default::default()
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}
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}
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