2022-07-28 21:39:00 -07:00

74 lines
1.9 KiB
Rust

use log::trace;
use crate::{
bvh::BVH,
camera::Camera,
hitable::Hit,
material::{Lambertian, Metal},
moving_sphere::MovingSphere,
renderer::{Opt, Scene},
sphere::Sphere,
texture::ConstantTexture,
vec3::Vec3,
};
pub fn new(opt: &Opt) -> Scene {
let lookfrom = Vec3::new(3., 3., 2.);
let lookat = Vec3::new(0., 0., -1.);
let dist_to_focus = (lookfrom - lookat).length();
let aperture = 0.1;
let time_min = 0.;
let time_max = 1.;
let camera = Camera::new(
lookfrom,
lookat,
Vec3::new(0., 1., 0.),
45.,
opt.width as f32 / opt.height as f32,
aperture,
dist_to_focus,
time_min,
time_max,
);
let b = BVH::new(
vec![
Box::new(Sphere::new(
Vec3::new(0., 0., -1.),
0.5,
Lambertian::new(ConstantTexture::new(Vec3::new(0.1, 0.2, 0.5))),
)),
Box::new(Sphere::new(
Vec3::new(0., -100.5, -1.),
100.,
Lambertian::new(ConstantTexture::new(Vec3::new(0.8, 0.8, 0.8))),
)),
Box::new(Sphere::new(
Vec3::new(1., 0., -1.),
0.5,
Metal::new(Vec3::new(0.6, 0.6, 0.6), 0.2),
)),
Box::new(MovingSphere::new(
Vec3::new(-1., 0., -1.25),
Vec3::new(-1., 0., -0.75),
0.5,
time_min,
time_max,
Lambertian::new(ConstantTexture::new(Vec3::new(0.2, 0.8, 0.2))),
)),
],
time_min,
time_max,
);
trace!(target: "bvh", "World {}", b);
let world: Box<dyn Hit> = Box::new(b);
Scene {
camera,
world,
subsamples: opt.subsamples,
num_threads: opt.num_threads,
width: opt.width,
height: opt.height,
..Default::default()
}
}