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


def display():
    global mode
    glClearColor(0,0,0,0)
    glClear(GL_COLOR_BUFFER_BIT)
    glBegin(mode)
    glVertex2f(0.0,0.7)
    glColor3f(1.0,0.0,0.0)
    glVertex2f(-0.6,0.1)
    glColor3f(0.0,1.0,0.0)
    glVertex2f(-0.3,-0.2)
    glColor3f(0.0,0.0,1.0)
    glVertex2f(0.1,-0.3)
    glColor3f(1.0,1.0,0.0)
    glVertex2f(0.6,-0.1)
    glColor3f(0.0,1.0,1.0)
    glVertex2f(0.5,0.3)
    glColor3f(1.0,0.0,1.0)
    glEnd()
    glFlush()



def clavier(*args):
    global mode
    if args[0] == 'q':
        sys.exit()
    elif args[0] == 'a':
        mode = GL_TRIANGLES
    elif args[0] == 'z':
        mode = GL_TRIANGLE_STRIP
    elif args[0] == 'e':
        mode = GL_TRIANGLE_FAN
    elif args[0] == 'r':
        mode = GL_POINTS
    glutPostRedisplay()


def main():
    global mode
    glutInit(sys.argv)
    glutInitDisplayMode(GLUT_RGB)
    glutInitWindowPosition(200,200)
    glutInitWindowSize(250,250)
    glutCreateWindow("Des triangles")
    mode = GL_TRIANGLES
    glutDisplayFunc(display)
    glutKeyboardFunc(clavier)
    glutMainLoop()

main()