The Julia sets trip with orbit

Click mouse into the Julia-set to stop animation
or Demo.

Click mouse into the M-set to go to the mouse position.

Click mouse + <Alt> to Zoom In
(the applet stops animation before Zooming!).

Click mouse + <Ctrl> to Zoom Out.

<Shift> to modify Zoom In/Out 2.
      <Enter> to set new parameters from text

Steps – number of steps in animation
   It – max iterations number

Delay – delay between two frames
      no label – the cross position

Period – orbit period in the cross position.

The “white” poins on the right plain (variable z-space) show the orbit of
the critical point zo=0.