python_opengl

import glfw
from OpenGL.GL import *
def main():
    # Initialize the library
    if not glfw.init():
        return
    # Create a windowed mode window and its OpenGL context
    window = glfw.create_window(640, 480, "Hello World", None, None)
    if not window:
        glfw.terminate()
        return

    # Make the window's context current
    glfw.make_context_current(window)

    count =0;
    # Loop until the user closes the window
    while not glfw.window_should_close(window):
        # Render here, e.g. using pyOpenGL
        glClearColor(0.2, 0.3, 0.3, 1.0)
        glClear(GL_COLOR_BUFFER_BIT)
    
        glColor3f(1.0, 1.0, 1.0)
        glBegin(GL_TRIANGLES)
        glVertex3f(-0.5, -0.5, 0.0)
        glVertex3f(0.5, -0.5, 0.0)
        glVertex3f(0.0, 0.5, 0.0)
        glEnd()

        # Swap front and back buffers
        glfw.swap_buffers(window)

        # Poll for and process events
        glfw.poll_events()

    glfw.terminate()

if __name__ == "__main__":
    main()