k/raytracer-rs
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better image
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k 2026-04-26 21:54:39 -04:00
parent 63d4cbb042
commit 5857244ca8
2 changed files with 4 additions and 7 deletions
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7
src/main.rs
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@ -14,11 +14,9 @@ use std::sync::Arc;
fn main() { fn main() {
let aspect_ratio = 16.0 / 9.0; let aspect_ratio = 16.0 / 9.0;
let image_width = 800; let image_width = 1920;
let focal_length = 1.0; let focal_length = 1.0;
let viewport_height = 2.0; let viewport_height = 2.0;
let camera_center = Point3::new(0.0, 0.0, 0.0);
let m = Lambertian::new(Vec3::new(0.5,0.5,0.5)); let m = Lambertian::new(Vec3::new(0.5,0.5,0.5));
let world_m: Arc <dyn Material> = Arc::new(m); let world_m: Arc <dyn Material> = Arc::new(m);
@ -29,11 +27,10 @@ fn main() {
let m = Metal::new(Vec3::new(0.8, 0.8, 0.8), 0.3); let m = Metal::new(Vec3::new(0.8, 0.8, 0.8), 0.3);
let left_m: Arc <dyn Material> = Arc::new(m); let left_m: Arc <dyn Material> = Arc::new(m);
let m = Metal::new(Vec3::new(0.8, 0.6, 0.2), 0.5); let m = Metal::new(Vec3::new(0.8, 0.6, 0.2), 0.5);
let right_m: Arc <dyn Material> = Arc::new(m); let right_m: Arc <dyn Material> = Arc::new(m);
let mut camera = Camera::new(aspect_ratio,image_width,focal_length,Point3::new(-2.0,2.0,1.0),Point3::new(0.0,0.0,-1.0),90.0); let mut camera = Camera::new(aspect_ratio,image_width,focal_length,Point3::new(-1.0,1.0,1.0),Point3::new(0.0,0.0,-1.0),90.0);
let mut world = World::new(); let mut world = World::new();
world.add(Sphere::new(0.5, Point3::new(0.0, 0.0, -1.0),center_m)); world.add(Sphere::new(0.5, Point3::new(0.0, 0.0, -1.0),center_m));
world.add(Sphere::new(0.5, Point3::new(-1.0, 0.0, -1.0),left_m)); world.add(Sphere::new(0.5, Point3::new(-1.0, 0.0, -1.0),left_m));

4
src/render.rs
View file

@ -82,7 +82,7 @@ impl Camera {
let height = self.img.height; let height = self.img.height;
let width = self.img.width; let width = self.img.width;
let total_pixels = height*width; let total_pixels = height*width;
let num_samples = 5; let num_samples = 25;
//cast to const ref //cast to const ref
let const_self = &*self; let const_self = &*self;
@ -97,8 +97,8 @@ impl Camera {
let x = i%width; let x = i%width;
let y = i/width; let y = i/width;
let (mut r,mut g,mut b) = (0.0,0.0,0.0); let (mut r,mut g,mut b) = (0.0,0.0,0.0);
let ray = const_self.get_ray(x,y,&mut rng);
for _ in 0..num_samples{ for _ in 0..num_samples{
let ray = const_self.get_ray(x,y,&mut rng);
let (tr,tg,tb) = trace(ray, &world,10,&mut rng); let (tr,tg,tb) = trace(ray, &world,10,&mut rng);
r+=tr; r+=tr;
g+=tg; g+=tg;