import sys
from OpenGL.GLUT import *
from OpenGL.GL import *
from OpenGL.GLU import *

import string

points = []
for line in open("data", 'r').readlines():
	vals = string.split(line)
	p = []
	for v in vals:
		p.append(string.atof(v))
	points.append(p)

def draw():
	glClear(GL_COLOR_BUFFER_BIT)
	glColor3f(1, 0, 0)
	glBegin(GL_TRIANGLES)
	for p in points:
		glVertex2fv(p)
	glEnd()
	glFlush()

def keyboard(key, x, y):
	if key == chr(27):
		sys.exit(0)

def reshape(w, h):
    glViewport(0, 0, w, h)
    glMatrixMode(GL_PROJECTION)
    glLoadIdentity()
    gluOrtho2D(-1, 1, -1*h/w, 1*h/w)
    glMatrixMode(GL_MODELVIEW)

glutInit(sys.argv)
glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB)
glutInitWindowSize(400, 400)
glutInitWindowPosition(0,0)
glutCreateWindow(sys.argv[0])
glutDisplayFunc(draw)
glutKeyboardFunc(keyboard)
glutReshapeFunc(reshape)
glutMainLoop()