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DoRayMe
=======

A Quick and dirty raytracer.


This raytracer is made following the book "[The Ray Tracer Challenge](https://pragprog.com/book/jbtracer/the-ray-tracer-challenge)" by Jamis Buck.

It is writen in C++ with no STL and use [LodePNG](https://github.com/lvandeve/lodepng) to output PNG file.


Examples outputs
----------------

From chapter 05 - Sphere intersections:

![Chapter 5 rendering test](output/ch5_test.png)

From Chapter 06 - Phong shading:

![Chapter 6 rendering test](output/ch6_test.png)

From Chapter 07 - World / Camera / Scenes:

![Chapter 7 rendering test](output/ch7_test.png)

From Chapter 08 - Shadows:

![Chapter 8 rendering test](output/ch8_test.png)

From Chapter 09 - Planes:

![Chapter 9 rendering test](output/ch9_test.png)

From Chapter 10 - Patterns:

![Chapter 10 rendering test](output/ch10_test.png)

From Chapter 11 - Reflections, Transparency & Refractions

![Chapter 11 reflections rendering test](output/ch11_reflection.png)

![Chapter 11 refraction rendering test](output/ch11_refraction.png)

![Chapter 11 rendering test](output/ch11_test.png)

From Chapter 12 - Cubes:

![Chapter 12 rendering test](output/ch12_test.png)

From Chapter 13 - Cylinders:

![Chapter 13 rendering test](output/ch13_test.png)
Bonus:
![Chapter 13 cone test](output/ch13_cone.png)

From Chapter 14 - Groups & Bounding boxes
![Chapter 14 rendering test](output/ch14_test.png)


Bonus (from the forum):

[Merry Christmas](https://forum.raytracerchallenge.com/thread/16/merry-christmas-scene-description)
![Merry Christmas](output/christmasball.png)

(about 7min render time using OpenMP on a 2.6Ghz Core i7 3720QM)
