Hi Look at the WakeupOnElapsedFrames behavior, it's easy to put one in your scene and the call the heavyCalculation from there.
Cheers Jeremy -- Homepage: http://www.computerbooth.com/ Codepage: http://www.newdawnsoftware.com/ =========================================================================== To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-INTEREST". For general help, send email to [EMAIL PROTECTED] and include in the body of the message "help".