import sys, math, time, string
from OpenGL.GLUT import *
from OpenGL.GL import *
from OpenGL.GLU import *

delay = 0
x = 0
y = 0
quadric = 0

def draw():
	glClear(GL_COLOR_BUFFER_BIT)

	global x,y, quadric
	glLoadIdentity()
	glTranslatef(x, y, 0)
	glColor3f(1, 1, 0)
	gluDisk(quadric, 0, 10, 6, 6)

	glutSwapBuffers()


def reshape(width, height):
	glViewport(0, 0, width, height)
	glMatrixMode(GL_PROJECTION)
	glLoadIdentity()
	gluOrtho2D(0, width, -height, 0)
	glMatrixMode(GL_MODELVIEW)

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

def callDraw(i):
	global x,y
	x = i % 10000
	y = -i / 10000
	draw()

def mousemotion(mx,my):
	global delay
	glutTimerFunc(delay, callDraw, mx + my*10000)


glutInit(sys.argv)
if len(sys.argv) > 1:
	delay = string.atof(sys.argv[1])
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB)
glutInitWindowSize(400, 400)
glutInitWindowPosition(0,0)
glutCreateWindow(sys.argv[0])
glutDisplayFunc(draw)
glutKeyboardFunc(keyboard)
glutPassiveMotionFunc(mousemotion)
glutReshapeFunc(reshape)
quadric = gluNewQuadric()
reshape(400,400)
glutMainLoop()