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

def draw():
	global cameraDist, cameraXrot, cameraYrot
	glClearColor(1,1,1,0)
	glClear(GL_COLOR_BUFFER_BIT)
	glMatrixMode(GL_PROJECTION)
	glLoadIdentity()
	gluOrtho2D(-1, 4*pi+1, -1.5, 1.5)
	glMatrixMode(GL_MODELVIEW)
	glLoadIdentity()

	glColor3f(0, 0, 0)
	glLineWidth(3)
	glBegin(GL_LINES)
	glVertex2f(0,-1)
	glVertex2f(0,1)
	glVertex2f(-0.5,0)
	glVertex2f(4*pi+0.5,0)
	glEnd()
	glLineWidth(1)
	glBegin(GL_LINES)
	glVertex2f(pi, -0.1)
	glVertex2f(pi, 0.1)
	glVertex2f(2*pi, -0.1)
	glVertex2f(2*pi, 0.1)
	glVertex2f(3*pi, -0.1)
	glVertex2f(3*pi, 0.1)
	glVertex2f(4*pi, -0.1)
	glVertex2f(4*pi, 0.1)
	glEnd()

	glColor3f(1, 0, 0)
	glLineWidth(3)
	glBegin(GL_LINE_STRIP)
	for degrees in range(0, 720):
		radians = degrees * pi / 180.0
		glVertex2f(radians, sin(radians))
	glEnd()

	glutSwapBuffers()


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


glutInit(sys.argv)
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB)
glutInitWindowSize(700, 300)
glutInitWindowPosition(0,0)
glutCreateWindow(sys.argv[0])
glutDisplayFunc(draw)
glutKeyboardFunc(keyboard)
glutMainLoop()