Makefile: added help and distclean target, plus small fixes
ccdemos/common_sdl.h:
print fps to window caption instead of console
update and key callbacks
fixed segfault when resizing window
pressing c now causes print out of camera coordinates
ccdemos/spheres_shadow.cc: controlling position of a light and focal length of camera
==================
Pyrit Ray Tracer
==================
License
-------
Currently unlicensed, you may not redistribute or use this work for any purposes.
Will be MIT licensed when ready.
Pthreads
--------
Threads can be used to render rows of picture paralelly. Arbitrary number
of threads can be used, even numbers like 17 are acceptable.
To completely disable this feature just remove "-DPTHREADS -pthreads"
from flags in makefile.
For Windows + Mingw32, get pthreads library here:
http://sources.redhat.com/pthreads-win32/