more stuff

This commit is contained in:
Michael Zhang 2023-02-15 17:13:22 -06:00
parent 43b85ae5d8
commit abe4aa6115
6 changed files with 14 additions and 9 deletions

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@ -5,3 +5,5 @@
*.ppm
*.zip
*.pdf
perf.data*
flamegraph.svg

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@ -4,6 +4,10 @@ authors = ["Michael Zhang <zhan4854@umn.edu>"]
version = "0.1.0"
edition = "2021"
# For profiling with flamegraphs
[profile.release]
debug = true
[[bin]]
name = "raytracer1b"
path = "src/main.rs"

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@ -6,6 +6,7 @@ use assignment_1b::image::Image;
use assignment_1b::ray::Ray;
use assignment_1b::scene::Scene;
use clap::Parser;
use rayon::prelude::{IntoParallelIterator, ParallelIterator};
/// Simple raycaster.
#[derive(Parser)]
@ -69,12 +70,8 @@ fn main() -> Result<()> {
// Generate a parallel iterator for pixels
// The iterator preserves order and uses row-major order
let pixels_iter = (0..scene.image_height)
// .into_par_iter()
.flat_map(|y| {
(0..scene.image_width)
// .into_par_iter()
.map(move |x| (x, y))
});
.into_par_iter()
.flat_map(|y| (0..scene.image_width).into_par_iter().map(move |x| (x, y)));
// Loop through every single pixel of the output file
let pixels = pixels_iter

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@ -80,7 +80,7 @@ impl Scene {
1 => LightKind::Point {
location: read_vec3(0)?,
},
_ => bail!("Invalid w"),
_ => bail!("Invalid w; must be either 0 or 1"),
};
let light = Light {
kind,

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@ -33,9 +33,10 @@ pub fn compute_rotation_matrix(
a: Vector3<f64>,
b: Vector3<f64>,
) -> Result<Matrix3<f64>> {
// Special case: if a and b are in the same direction, just return the identity matrix
// Special case: if a and b are in the same direction, just return the
// identity matrix.
if a.normalize() == b.normalize() {
return Ok(Matrix3::identity())
return Ok(Matrix3::identity());
}
let cos_t = a.dot(&b);

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@ -18,6 +18,7 @@
cargo-flamegraph
cargo-watch
imagemagick
linuxPackages_latest.perf
pandoc
texlive.combined.scheme-full
unzip