SonOfSillyBalls 1.0d4 Level of Complexity: Easy Main Classes Used: NSBezierPath, NSTimer, NSColor This sample is a port of a classic Mac OS sample, Silly Balls, whose sole purpose is to draw a bunch of randomly coloured, randomly placed, silly balls in a window on the screen. Changes Since Rhapsody Developer Release: Added code to make sure that the main window is active after launch.