# Bouncing Ball
# example released to the public domain - Jay Summet
# Spring 2010

from myro import *

win = GraphWin("Pong", 500,500)

xPos = 100
yPos = 150

xDelta = 6
yDelta = 3

p = Point(xPos,yPos)
ball = Circle(p, 10)
ball.setFill( color_rgb(255,0,0) )
ball.draw(win)

while timeRemaining(20):

    #Check to make sure we are not going off
    #the screen! If we do, reverse direction!
    if (0 > xPos) or (500 < xPos):
        xDelta = -xDelta

    if (0 > yPos) or (500 < yPos):
        yDelta = -yDelta

    #Move the ball:
    ball.move(xDelta, yDelta)
    xPos = xPos + xDelta
    yPos = yPos + yDelta

    wait(0.02)


#End of program