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Author Topic: Axe Q&A  (Read 591642 times)

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Offline Quigibo

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Re: Axe Q&A
« Reply #780 on: October 20, 2011, 03:10:00 pm »
I was going to keep it secret, but I'll tell you what I'm working on right now :)

Objects.  Axe currently only has one; the file (Using the Y0 - Y9 tokens).  I am creating a new object; the table (Using [A] - [J] tokens).  Its about time too, it was something I was trying to implement when I was first sketching out possible syntaxes before I started writing the parser.

A table is not a list, nor a matrix.  Its more like a SQL table if you're familiar with that.  The reason I'm able to have this structure in the first place is because I was finally able to optimize it enough given these invariants:

  • The table has a fixed column width, but can grow and shrink the number of rows.
  • The ordering of rows in the table should never matter and could change at any time.
  • An entry in the table cannot be accessed directly, it must be iterated to that entry to modify or delete it.

Iterators are nestable by the way.  This type of structure is perfect for situations where you have to manage one or more list of objects in a room or simulation.  This is exactly what you need for: Physics simulators, bullet code, collision detection, fluids, enemies, etc.  I think this will be a major major utility to coders and will bring the version up to 1.1.  Hopefully I can get everything working soon.
« Last Edit: October 20, 2011, 03:12:07 pm by Quigibo »
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Offline C0deH4cker

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Re: Axe Q&A
« Reply #781 on: October 20, 2011, 03:19:53 pm »
Wow, that looks really good! Also, i never knew about the y1-6 being file objects. guess theres still more to learn about the syntax.
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Offline Deep Toaster

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Re: Axe Q&A
« Reply #782 on: October 20, 2011, 06:51:26 pm »
Okay, wow O.O Tables sound incredibly useful.
« Last Edit: October 20, 2011, 06:51:42 pm by Deep Thought »
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Offline ztrumpet

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Re: Axe Q&A
« Reply #783 on: October 20, 2011, 06:52:51 pm »
This sounds incredible!!  I can't wait to see how I can use this in the future. :D
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Offline Freyaday

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Re: Axe Q&A
« Reply #784 on: October 20, 2011, 07:56:52 pm »
Oo0, sounds good. Where are these things gonna be stored and will we have to allocate them?
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Offline LincolnB

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Re: Axe Q&A
« Reply #785 on: October 20, 2011, 08:05:30 pm »
So will future versions of Axe be completely object-oriented? O.O
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Offline Freyaday

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Re: Axe Q&A
« Reply #786 on: October 20, 2011, 08:08:29 pm »
Quote from: buttsfredkin on October 20, 2011, 08:05:30 pm
So will future versions of Axe be completely object-oriented? O.O
Only if you want it be, I guess.
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Offline Yeong

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Re: Axe Q&A
« Reply #787 on: October 20, 2011, 10:55:12 pm »
I have a question:
so, you import OS var by doing this, right?
Code: [Select]
GetCalc("varA"->B
float{B}->A
Now, is there a way to store that A into constant?
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Offline calcdude84se

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Re: Axe Q&A
« Reply #788 on: October 20, 2011, 11:03:44 pm »
Because you get the value of A at run-time, its value is dynamic and not constant at all; by definition it is impossible, and the closest to be had is recompiling the program at every run to fix in a certain value of A.
Edit: Fixed a typo of "it's" for "its". I blame you, Internet! <_<
« Last Edit: October 20, 2011, 11:06:48 pm by calcdude84se »
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Offline Yeong

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Re: Axe Q&A
« Reply #789 on: October 20, 2011, 11:05:16 pm »
ah ok. :\
Freq(won't work with imported OS var for some reason
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Offline calc84maniac

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Re: Axe Q&A
« Reply #790 on: October 20, 2011, 11:25:01 pm »
Quote from: yeongJIN_COOL on October 20, 2011, 10:55:12 pm
I have a question:
so, you import OS var by doing this, right?
Code: [Select]
GetCalc("varA"->B
float{B}->A
Now, is there a way to store that A into constant?
Close your parentheses properly. The pointer to the string "varA" is being stored into B rather than the result of GetCalc().
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Offline Yeong

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Re: Axe Q&A
« Reply #791 on: October 20, 2011, 11:26:37 pm »
!
Oops. Better fix that.
so after I correctly close the (), do I just do Freq(A,something
or Freq({A},something ?
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Offline calcdude84se

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Re: Axe Q&A
« Reply #792 on: October 20, 2011, 11:28:21 pm »
A itself is the value, and is not a pointer, so the version without curly braces is correct.
« Last Edit: October 20, 2011, 11:28:30 pm by calcdude84se »
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Offline Quigibo

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Re: Axe Q&A
« Reply #793 on: October 21, 2011, 05:37:47 am »
Quote from: yeongJIN_COOL on October 20, 2011, 10:55:12 pm
I have a question:
so, you import OS var by doing this, right?
Code: [Select]
GetCalc("varA"->B
float{B}->A
Now, is there a way to store that A into constant?

To answer the original question for the general case of GetCalc(), there actually IS a way to store it to a constant: you can copy the contents of the file to a known free-ram location (assuming the data in the file will fit there).  If done correctly, this can lead to both a speed and size optimization as well as making code easier to write since there are less arguments you need to pass around.  This of course comes at the cost of overhead loading time for the copy and reduces the amount of free-ram you have left.

EDIT: This probably wasn't the question you were asking, but it should help someone I'm sure.
« Last Edit: October 21, 2011, 05:39:46 am by Quigibo »
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Offline Yeong

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Re: Axe Q&A
« Reply #794 on: October 21, 2011, 09:02:11 am »
So I did this:
Code: [Select]
GetCalc("varF")→X
GetCalc("varP")→Y
float{X}→F
float{Y}→P
freq(F,P)
Return
but it still won't produce the sound D: (I put 314 = F and 16384 = P)
does F or P have to be less than 255?
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