import sys, time, math
from pyglet.gl import *
from euclid import *

window = pyglet.window.Window(512,512)

quadric = gluNewQuadric()
ballPos = Vector3(0,0,0)
ballVel = Vector3(8,4.5,0)

@window.event
def on_draw():
    glClear(GL_COLOR_BUFFER_BIT)
    glMatrixMode(GL_PROJECTION)
    glLoadIdentity()
    glOrtho(-10,10, -10,10, -10,10)
    glMatrixMode(GL_MODELVIEW)
    
    glPushMatrix()
    glTranslatef(ballPos[0], ballPos[1], ballPos[2])
    glColor3f(1,0,0)
    gluSphere(quadric, 1.0, 32, 16)
    glPopMatrix()


def checkForBounce():
	if ballPos[0] > 10.0:
		ballVel[0] = -ballVel[0]
		ballPos[0] = 10.0 - (ballPos[0] - 10.0)
	elif ballPos[0] < -10.0:
		ballVel[0] = -ballVel[0]
		ballPos[0] = -10.0 + (-10.0 - ballPos[0])
	if ballPos[1] > 10.0:
		ballVel[1] = -ballVel[1]
		ballPos[1] = 10.0 - (ballPos[1] - 10.0)
	elif ballPos[1] < -10.0:
		ballVel[1] = -ballVel[1]
		ballPos[1] = -10.0 + (-10.0 - ballPos[1])

def update(dt):
    global ballPos, ballVel
    ballPos += ballVel * dt
    checkForBounce()

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