ray-tracing-iow

Ray Tracing in One Weekend Written in Scala

Run

Here is how to generate an image.

./make_jar.sh
./run_jar.sh > out.ppm

or

./make_jar.sh
./run_jar.sh --out-file=out.ppm

or

sbt "run --out-file=out.ppm"

Then you will get out.ppm image

Options

You can specify parameters by the options.

Usage: Ray Tracing in One Weekend Written in Scala [options]

  --width <value>          width (default: 600)
  --height <value>         height (default: 400)
  --min-float <value>      min-float (default: 0.001)
  --n-samples <value>      n-samples (default: 10)
  --random-seed <value>    random-seed (default: 101)
  --mode <value>           mode - image or anime (default: image)
  --anime-skip-step <value>
                           anime-skip-step (default: 3)
  --anime-dt <value>       delta t (default: 0.01)
  --anime-t-min <value>    anime-t-min (default: 0.0)
  --anime-t-max <value>    anime-t-max (default: 6.0)
  --anime-out-dir-path <value>
                           directory path of output anime images (default: anime_out)
  --img-format <value>     output image format (default: text-ppm)
  --out-file <value>       path of output file (default: stdout)

Change History

Here is the history of this repository. You can walk through the history

Tag	Files at that point	Diff	Generated image
chapter1	files	diff	chapter1.png
chapter2	files	diff	chapter2.png
chapter3	files	diff	chapter3.png
chapter4	files	diff	chapter4.png
chapter5-1	files	diff	chapter5-1.png
chapter5-2	files	diff	chapter5-2.png
chapter6	files	diff	chapter6.png
chapter7-1	files	diff	chapter7-1.png
chapter7-2	files	diff	chapter7-2.png
chapter7-shadow-acne	files	diff	chapter7-shadow-acne.png
chapter8-1	files	diff	chapter8-1.png
chapter8-2	files	diff	chapter8-2.png
chapter9-2	files	diff	chapter9-2.png
chapter9-3	files	diff	chapter9-3.png
chapter10-1	files	diff	chapter10-1.png
chapter10-2	files	diff	chapter10-2.png
chapter10-close-look	files	diff	chapter10-close-look.png
chapter11	files	diff	chapter11.png
chapter12	files	diff	chapter12.png

References

Here is useful references.

• iyahoo/clj-ray-tracing (Clojure)
• petershirley/raytracinginoneweekend (C++)