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
* file: noise.h
*
* Radek Brich, 2006-2007
*/
#ifndef NOISE_H
#define NOISE_H
#include "common.h"
Float perlin(Float x, Float y, Float z);
#endif