This page (revision-22) was last changed on 03-Feb-2023 15:21 by Gromit 

This page was created on 14-Mar-2010 18:17 by Carsten Strotmann

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Version Date Modified Size Author Changes ... Change note
22 03-Feb-2023 15:21 23 KB Gromit to previous
21 01-Feb-2011 12:53 23 KB Gromit to previous | to last

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An Introduction to ACTION
An Introduction to ACTION

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At line 199 added 5 lines
{{{
CH = 255 : Graphics(0)
RETURN
}}}
to be executed. This sets [CH] back to 255 so that the keyboard handler won't think a key has been pressed and restores graphics mode 0 before returning to the Action! monitor.
At line 205 added 10 lines
I'll bet you're wondering why I didn't mention:
{{{
color = 1
FOR npnts = 1 TO persistence DO
Gen (p)
UNTIL CH#255
OD
}}}
it's there for a reason. If you execute the loop only one set of ... time.
Although this is somewhat interesting, it isn't what I intended. The FOR loop causes "persistence" sets of points to be generated without any being erased (note that only Gen(p) is called, with color equal to one). So when the WHILE loop below this is reached, the call to Gen(e) will erase points that were plotted "persistence" interactions earlier.The values of p will always be"persistence" interactions ahead of e. Thus, you'll always have at most "persistence" sets of points on the screen at any given time.
This page (revision-22) was last changed on 03-Feb-2023 15:21 by Gromit  Top