from math import *
from time import *
from pyglet.gl import *

class Circle:
    def __init__(self,radius,r,g,b,x=0,y=0):
        self.radius = radius
        self.r = r
        self.g = g
        self.b = b
        self.x = x
        self.y = y
    def draw(self):
        glColor3f(self.r,self.g,self.b)
        glPushMatrix()
        glTranslatef(self.x, self.y ,0)
        glBegin(GL_TRIANGLE_FAN)
        glVertex2f(0,0)
        for angle in range(0,370,10):
            x = self.radius * cos(radians(angle))
            y = self.radius * sin(radians(angle))
            glVertex2f(x,y)
        glEnd()
        glPopMatrix()


window = pyglet.window.Window()

c = Circle(100, 0.5, 1, 0.2)

@window.event
def on_draw():
    global c
    glClear(GL_COLOR_BUFFER_BIT)
    c.draw()


def update(dt):
    global c
    c.radius = 30 + 30*sin(time())
    c.x = 200 + 200*cos(time())
    c.y = 200 + 200*sin(time())

    
pyglet.clock.schedule_interval(update,1/60.0)
pyglet.app.run()