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dxfan101010

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Joined: 31 Mar 2008
Posts: 194

 Posted: 15 Nov 2009 12:51:43 am    Post subject: fpart() takes the fraction part of a number ie: fpart(6.25)=.25 Ipart does exactly the oppisite returning 6 but you will have to wait for Ed to explain the code its over my headLast edited by Guest on 15 Nov 2009 12:53:05 am; edited 1 time in total
dudedangrich

Newbie

Joined: 14 Nov 2009
Posts: 13

 Posted: 15 Nov 2009 12:54:27 am    Post subject: yeah i kinda know what fpart() does but i just cannot contemplate what it does here Last edited by Guest on 15 Nov 2009 12:56:45 am; edited 1 time in total
dxfan101010

Member

Joined: 31 Mar 2008
Posts: 194

 Posted: 15 Nov 2009 12:56:55 am    Post subject: He lost me with that code you could try Code: ```For(A,2,16 Output(1,A,"A Output(2,A-1,"B Rand(6 Clrhome end```Last edited by Guest on 15 Nov 2009 01:12:05 am; edited 1 time in total
Ed H

Member

Joined: 30 Nov 2007
Posts: 138

 Posted: 15 Nov 2009 12:57:40 am    Post subject: First of all, try the program with the following two lines removed: :If not(fPart(I/10) and fPart(I/15)) :ClrHome As you can see, the point of the two lines above is to clear the screen before either letter moves. But try the program with just :ClrHome, and not the If conditional. The problem with this is the letters are flickery, and the reason for this is when the program runs, the letters are cleared and redrawn 10 or 15 times before moving. Thus, we want to clear the screen only when the counter I is a multiple of 10 or 15. Take a look at the commands fPart( and not( on TI-Basic Developer, and try and figure out how the :If conditional runs only when I is a multiple of 10 or 15. http://tibasicdev.wikidot.com/fpart http://tibasicdev.wikidot.com/not By the way, in the future, when you encounter a command that you don't know of, I recommend looking it up on the TI-Basic Developer wiki before asking others in a forum. The wiki is a great resource, and a lot of work has been put into it. It would be a shame to put that work to waste by asking questions that perhaps the wiki could have answered for you.Last edited by Guest on 01 Jul 2010 10:31:30 am; edited 1 time in total
dxfan101010

Member

Joined: 31 Mar 2008
Posts: 194

 Posted: 15 Nov 2009 01:02:58 am    Post subject: Your code gives me a domain error at theline that ouptuts A Code: ```For(A,2,16 Output(1,A,"A Output(2,A,"B Rand(6 Clrhome end``` does the same thing unless i misss typed your codeLast edited by Guest on 15 Nov 2009 01:12:45 am; edited 1 time in total
dudedangrich

Newbie

Joined: 14 Nov 2009
Posts: 13

 Posted: 15 Nov 2009 01:15:11 am    Post subject: okay im pretty sure I get why the not() and fPart() work together, but why this? For(I,16,240) ? why these values?
Ed H

Member

Joined: 30 Nov 2007
Posts: 138

 Posted: 15 Nov 2009 01:27:19 am    Post subject: Try changing 240 to 120. Or change 15 to 100.
dudedangrich

Newbie

Joined: 14 Nov 2009
Posts: 13

 Posted: 15 Nov 2009 01:31:19 am    Post subject: okay when you change 15 barely (by about 5 or so, but add 5, don't subtract) it does almost nothing. When set it as 100, It starts about halfway through the screen. When you change 240 to 120, it stops about halfway through the screen. I can only guess that these are the pixel numbers for the screen?
Ed H

Member

Joined: 30 Nov 2007
Posts: 138

 Posted: 15 Nov 2009 01:59:27 am    Post subject: They are the starting and ending values of I in the For loop.
kinkoa

Member

Joined: 28 Jul 2009
Posts: 103

 Posted: 18 Nov 2009 09:40:50 am    Post subject: ive used most of these in making a slot machine
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