// Modified from one of the GLUT sample files by Mark Kilgard simple.c

#include <iostream>
#include "glut.h"
using namespace std;

void display(void)
{
	glClear(GL_COLOR_BUFFER_BIT);
	glBegin(GL_LINES);
		glColor3f(0.0, 0.0, 1.0);	// blue
		glVertex2f(-0.5, -0.5);
		glVertex2f(0.0, 1.0);
		glColor3f(0.0, 1.0, 0.0);	// green
		glVertex2f(0.0, 1.0);
		glVertex2f(0.5, -0.5);
		glColor3f(1.0, 0.0, 0.0);	// red
		glVertex2f(0.5, -0.5);
		glVertex2f(-0.5, -0.5);
	glEnd();
	glFlush();
}

int main(int argc, char **argv)
{
	glutInit(&argc, argv);
	glutCreateWindow("triangle");
	glutDisplayFunc(display);
	glutMainLoop();
	return 0;
}