// cs148.h
// 
// CS148 2004 Support Include
// This file includes the needed files to support OpenGL in Visual C++, Linux, and OS X.
// It also declares utility code for CS148 like the getTime() function.
//

#ifdef WIN32
# include <windows.h>
# include <sys/timeb.h>
#else
# include <sys/time.h>
#endif

#ifdef __APPLE__  // detect OS X
# include <OpenGL/gl.h>
# include <OpenGL/glu.h>
# include <GLUT/glut.h>
#else
# include <GL/gl.h>
# include <GL/glu.h>
# include <GL/glut.h>
#endif

#include <math.h>
#include <stdio.h>
#include <stdlib.h>


// CS148 class (to encapsulate utility functions)
class CS148 {
public:
  // Get the global time in seconds with at least millisecond resolution.
  static double getTime(void);

  // Specify seed for random number generator
  static void RandSeed(int s);

  // Get random number between 0 and n - 1 (inclusive)
  static int RandInt(int n = RAND_MAX + 1);

  // Get floating point random numbers between 0.0 and 1.0
  static float RandFloat(void) { return (float)RandDouble(); }
  static double RandDouble(void);

private:
  // Random number initialization
  static int bRandInit;
};