#Bouncing Balls
#example released to the public domain
#Spring 2009
#
#

from myro import *
aWindow = GraphWin("Pong", 500,500)

xPos = [50,10,100,10,250]
yPos = [50, 25, 250,10,26]

xDelta = [-2,-5,10,3,0]
yDelta = [5,3,4,2,0]


Balls = []

index = 0
while index < len(xPos):
    Ball = Circle( Point(xPos[index], yPos[index]), 10)
    Ball.draw(aWindow)
    Balls.append(Ball)
    index = index + 1


    

Balls[0].setFill( color_rgb(255,0,0) )
Balls[1].setFill( color_rgb(0,255,0) )
Balls[2].setFill( color_rgb(0,0,255) )

index = 3
while index < len(xPos):
    Balls[index].setFill(    color_rgb(255,0,255)    )
    index = index + 1
    print "Coloring leftover balls!"





while timeRemaining(20):


    for index in range( len(xPos) ):
        
        if (0 > xPos[index]) or (500 < xPos[index]):
            xDelta[index] = - xDelta[index]
                             
        if (0 > yPos[index]) or (500 < yPos[index]):
            yDelta[index] = - yDelta[index]

        xPos[index] = xPos[index] + xDelta[index]
        yPos[index] = yPos[index] + yDelta[index]
                               
        Balls[index].move(xDelta[index], yDelta[index])

        
    wait(0.01)




#End of program.