Yeah, and that could also give a nice effect too!

You'd use real(3 most likely. It works exactly like RecallPic but with some other features.

real(3,pic_num,logic,update_LCD

pic_num = Number of the pic. (0-255)
logic = How the pic is displayed.
 0 =  Overwrite
 1 = AND
 2 = OR
 3 = XOR

update_LCD =
 0. Doesn't update
 1. Updates screen
 
For what you want, you'd just need "real(3,3,0,1" and "real(3,5,0,1".

Also, note that a Pic takes up a LOT of memory so it would probably be smaller to use several line commands over a 2nd picture.
Of course, if you plan on using xLIB or CIII anyway, the pics can be archived so it will take less RAM to use pics.

Up to you.

^CalcUtil++

We are a bit offtopic, but I am curious about something: Do you mean calcutil runs every single archived program on your calc in any way? I mean for example, if I have

EXEC EDIT NEW
*LOL
*PRGMLOL
*ZLOL
ZSPRITE
*ZZZ

prgmLOL contains:

:A+1->A
:prgmZZZ
:prgmZLOL

Will prgmZZZ/ZLOL commands return a ERR:ARCHIVED?

Back on topic, I personally would prefer using lines for drawing lightning, simply because pics are a waste of space (unless the bolts are really complex and stuff).

aaah ok I see now. I was wondering cuz I was unsure to which extent CalcUtil worked with archived stuff. But yeah my point is that even if archived the pics still took a lot of memory . I mean, in ROL3, if I decided to draw the lightning bolt inside a pic instead of an archived subroutine, I would have ran out of pic, first, (ones that can be sent fine ungrouped, that is), and secondly I would have wasted about 500 bytes of archive

I guess it's up to you, though, but remember you can't just use pics for every single thing in the programming world. Sometimes it's best to either draw stuff manually to save space, abuse programs to run archived subprograms like XCOPY or xLIB (if you use it alerady) or use smaller sprites. It depends of opinions, though. I just had bad memories of downloading games abusing pictures before, only to realise the abuse of pics made them so huge that the author could only add maybe 4 or 5 map in the game

wasn't the code also stolen from NoShell, but with more functions added? I wonder if it works on OS 2.5xMP too

BrandonW said it was. Idk if the author of calcutil asked permission, but BrandonW said he didn't mind since Noshell isn't really updated anymore and buggy

aaah ok, that's good at least