/**********************************************************************

Created by Rocco Bowling and Jonathan Saggau
Big Nerd Ranch, Inc
OpenGL Bootcamp

Copyright 2006 Rocco Bowling and Jonathan Saggau, All rights reserved.

/***************************** License ********************************

This code can be freely used as long as these conditions are met:

1. This header, in its entirety, is kept with the code
3. It is not resold, in it's current form or in modified, as a
teaching utility or as part of a teaching utility

This code is presented as is. The author of the code takes no
responsibilities for any version of this code.

(c) 2006 Rocco Bowling and Jonathan Saggau

*********************************************************************/

#import <OpenGL/gl.h>
#import <OpenGL/glu.h>
#import <Cocoa/Cocoa.h>

typedef enum
{
	kilometer = 0,
	mile,
	numberOfUnitsOfMeasure
} unitOfMeasure;

extern float getAspectRatio();

extern void initGL();
extern void renderGL();
extern void postRenderGL();
extern int updateGL();
extern void reshapeGL(int width, int height);
extern void destructGL();

extern void animateGraph();
extern void animateEvents();