#!/usr/bin/python3

import pygame
from pygame.locals import *
from OpenGL.GL import *
from OpenGL.GLU import *


def Haromszog():
	glBegin(GL_LINES)
	glVertex3f(-0.5, 0.5, 0)
	glVertex3f(0.5, 0, 0)
	glVertex3f(-0.5, -0.5, 0)
	glEnd()

def main():
	pygame.init()
	display = (800, 600)
	pygame.display.set_mode(display, DOUBLEBUF|OPENGL)
	gluPerspective(45, (display[0]/display[1]), 0.1, 50.0)
	glTranslatef(0.0, 0.0, -5)
	while True:
		for event in pygame.event.get():
			if event.type == pygame.QUIT:
				pygame.quit()
				quit()
		glRotatef(1, 3, 1, 1)
		glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT)
		Haromszog()
		pygame.display.flip()
		pygame.time.wait(10)

main()