// 1.  Modify the following code so that a point appears randomly on the window every time
//     the LEFT mouse button is clicked.  The program should terminate when either 'q' or
//     'Q' are pressed.

// 2.  Modify the code so that you can toggle between clearing points after each click
//     or keeping them on the screen by pressing the 'c' or 'C' button.

// 3.  Modify the code so that you can toggle between two different colors for each
//     new point.

#include <GL/glut.h>
#include <cstdlib>

#define WINDOW 300

GLint toggleClear=-1, toggleColor=-1;

void myInit( void )
{
	// attributes
	glClearColor(1.0,1.0,1.0,0.0);  // white
	glColor3f(0.0,0.0,0.0);
	glPointSize(4.0);

	//set up viewing
	glMatrixMode(GL_PROJECTION);
	glLoadIdentity();
	gluOrtho2D(0.0,WINDOW,0.0,WINDOW);
	glMatrixMode(GL_MODELVIEW);
}


void display ( void )
{


	glFlush();
}

void mouse (int btn, int state, int x, int y)
{

}

void keyboard (unsigned char key , int x, int y)
{

}

void main(int argc , char ** argv) 
{
	glutInit(&argc,argv);
	glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
	glutInitWindowSize( WINDOW , WINDOW );
	glutInitWindowPosition(90,90);
	glutCreateWindow("Interaction");
	glutMouseFunc(mouse);
	glutKeyboardFunc(keyboard);
	glutDisplayFunc(display);
	myInit();
	glutMainLoop();
}