# raycastlib

Ray Casting library for (not only) limited-resource computers.

eye-candy previews
------------------

Pokitto:

![](/media/pokitto1.gif)
![](/media/pokitto2.gif)
![](/media/pokitto3.gif)

SDL:

![](/media/sdl.gif)

Arduboy:

![](/media/arduboy.gif)
![](/media/arduboy2.gif)

terminal:

![](/media/terminal.gif)

features
--------

- Very fast, small and efficient.
- Uses only integer math.
- No dependencies (uses only stdint standard library).
- Single header, KISS.
- Advanced rendering of variable height floor and ceiling.
- Textured walls and floor.
- Depth information (for fog).
- Camera shearing (looking up/down).
- Camera movement with collisions.
- Support for opening door.
- Pure C, tested to run as C++ as well.
- Optional framework functions that handle the whole rendering.
- Still flexible -- pixels are left for you to draw in any way you want.
- Tested on multiple platforms (PC, Arduboy, Pokitto).
- Many compile-time options to tune the performance vs quality.
- Well commented code.

TODO
----

- Transparency.

license
-------

Everything is CC0 1.0. Please share your own software as free and open-source.