117 lines
3.1 KiB
Rust
117 lines
3.1 KiB
Rust
use std::io::{BufReader, Cursor};
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use stl::STL;
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use crate::{
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camera::Camera,
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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, Metal},
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rect::{XYRect, XZRect},
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renderer::{Opt, Scene},
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sphere::Sphere,
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texture::ConstantTexture,
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triangles::Triangles,
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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(200., 200., 200.);
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let lookat = Vec3::new(0., 1., 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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20.,
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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 ground_color = if opt.use_accel {
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ConstantTexture::new(Vec3::new(1.0, 0.4, 0.4))
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} else {
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ConstantTexture::new(Vec3::new(0.4, 1.0, 0.4))
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};
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let stl_cube = STL::parse(
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BufReader::new(Cursor::new(include_bytes!("../../stls/20mm cube.stl"))),
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false,
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)
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.expect("failed to parse cube");
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let light_size = 50.;
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let light_height = 200.;
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let tri_mesh = Triangles::new(
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&stl_cube,
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Lambertian::new(ConstantTexture::new(Vec3::new(1., 0., 0.))),
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);
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dbg!(&tri_mesh);
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let objects: Vec<Box<dyn Hit>> = vec![
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// Light from above
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Box::new(XZRect::new(
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-light_size,
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light_size,
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-light_size,
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light_size,
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light_height,
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DiffuseLight::new(ConstantTexture::new(Vec3::new(15., 15., 15.))),
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)),
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// Light from back
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Box::new(XYRect::new(
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-light_size,
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light_size,
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-light_size,
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light_size,
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-light_height,
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DiffuseLight::new(ConstantTexture::new(Vec3::new(1., 15., 1.))),
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)),
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// Light from front
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Box::new(XYRect::new(
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-light_size,
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light_size,
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-light_size,
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light_size,
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light_height,
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DiffuseLight::new(ConstantTexture::new(Vec3::new(1., 1., 15.))),
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)),
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// Earth sized sphere
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Box::new(Sphere::new(
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Vec3::new(0., -1200., 0.),
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1000.,
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Lambertian::new(ground_color),
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)),
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// Blue sphere
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Box::new(Sphere::new(
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Vec3::new(-40., 20., 0.),
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20.,
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Lambertian::new(ConstantTexture::new(Vec3::new(0.1, 0.2, 0.5))),
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)),
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// Shiny sphere
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Box::new(Sphere::new(
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Vec3::new(40., 20., 0.),
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20.,
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Metal::new(Vec3::new(0.8, 0.8, 0.8), 0.2),
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)),
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Box::new(tri_mesh),
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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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