#Bouncing Ball - Using Calico Graphics
from Graphics import *
from Myro import timer  #used for the animation.

WINSIZE = 500
win = Window("Pong", WINSIZE, WINSIZE)
win.mode = "manual"  #Trick to make the animation smoother....

ball = Circle((100,100), 10)   #Start at X=100, Y=100, Radius 10, default color...


ball.draw(win)      #Draw it on the window

#Delta X and Delta Y...how much the Ball will move each step.
dx = 4
dy = 10
#Now, animate it for 15 seconds:
for i in timer(15):
  ball.move(dx,dy)
  wait(0.1)  #Wait for 1/10th of a second so the user can see the ball moving!
  win.update()  #Because we set the window mode to manual, we must tell it when to update!

  if ball.getX() > WINSIZE or ball.getX() < 0:
     dx = -dx

  if ball.getY() > WINSIZE or ball.getY() < 0:
     dy = -dy