Flashing two dots at different frequencies.

David McFarlane mcfarla9 at msu.edu
Thu Dec 10 03:21:47 UTC 2009


Ben,

Here is another "on the fly" approach (based on my experience with 
NetLogo at the start of this year).  Think of each flashing dot as an 
object or "agent" with properties for on duration, off duration, current 
state (on or off), and clock time for its next change of state (you 
might do this with a User Defined Type, or with some clever use of the 
properties already built in to E-Prime display objects).  Your event 
loop would then check the "next change" time of each active object 
against the current clock time.  For each object whose "next change" 
time has been reached, it would toggle the object's state and update its 
"next change" time accordingly.

You would still have to write your own event loop for E-Prime (in 
NetLogo this is built in).

-- David McFarlane, Professional Faultfinder

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