superphunthyme / raytracer

Simple raytracer in Rust

Ray tracing

A simple raytracer in Rust based on Peter Shirley's Ray Tracing in One Weekend

Usage

cargo run --release -- <options>

Help

USAGE:
    raytracer [OPTIONS]

FLAGS:
    -h, --help       Prints help information
    -V, --version    Prints version information

OPTIONS:
    -o, --output <FILE>        Output file. If not specified, wrties to stdout.
    -s, --samples <samples>    Numner of samples per pixel [default: 100]
    -t, --threads <threads>    Number of threads to run [default: 1]
    -x, --x_res <x_res>        Width of trace in pixels [default: 200]
    -y, --y_res <y_res>        Height of trace in pixels [default: 100]

Sample Output

Well, this should look similar to all of the other projects following the same book, but here is an example:

And an example with a light source:

Output format is deduced from the extension. Most formats aren't supported, but .jpg and .png will work.

Notes

If you specify less samples than threads, you will see a black image. This is because of an oversimplified work-splitting calculation.