Author Topic: [lua] Logo interpreter  (Read 20442 times)

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Offline Jim Bauwens

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[lua] Logo interpreter
« on: November 02, 2011, 10:36:59 am »
I've been a bit busy making a logo interpreter in Lua.
I'm going to participate with it in the Ti-Planet / Inspired-Lua contest (math section).

While I still need to make an on calc ui and editor, here are some screenshots that show some turtle graphics (together with the code):


Code: [Select]
to square
  repeat 4 [left 90 forward 80]
end

repeat 36 [left 10 square]


Code: [Select]
make "x 1
repeat 150 [forward :x left 89 make "x :x + 1]

Offline Adriweb

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Re: [lua] Logo interpreter
« Reply #1 on: November 02, 2011, 10:38:31 am »
This is awesomeeeeeeee

Congratulations !

For the Lua contest, right ? :D
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Offline Jim Bauwens

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Re: [lua] Logo interpreter
« Reply #2 on: November 02, 2011, 10:39:20 am »
Thanks =)
Yes, its for the contest :)

Offline Stefan Bauwens

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Re: [lua] Logo interpreter
« Reply #3 on: November 02, 2011, 02:15:28 pm »
Good luck with all the rest.
I'm not so advanced in languages as you are but.. Good job, I guess. :D


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Offline Chockosta

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Re: [lua] Logo interpreter
« Reply #4 on: November 02, 2011, 02:31:28 pm »
Wow. Good luck, it is awesome.
Not really useful, but I'd love to play with that.

Offline Jim Bauwens

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Re: [lua] Logo interpreter
« Reply #5 on: November 02, 2011, 02:33:01 pm »
Thanks =)

Quote
Not really useful
You can visualize lot of mathematical stuff with it ;)

Offline Spyro543

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Re: [lua] Logo interpreter
« Reply #6 on: November 02, 2011, 03:16:44 pm »
How about the mode I suggested where you can see the turtle move and draw the pattern instead of the pattern just appearing?

Offline Jim Bauwens

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Re: [lua] Logo interpreter
« Reply #7 on: November 02, 2011, 04:01:07 pm »
I'm not yet done, just finished the main core.

Offline Jim Bauwens

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Re: [lua] Logo interpreter
« Reply #8 on: November 08, 2011, 11:33:22 am »
I submitted my first version for the TI-Planet contest.
While its not yet done, most you need is there.

Here is a little animated screenshot:


Note that the colors (grey's) look a bit better on a real calculator :D

Offline Xeda112358

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Re: [lua] Logo interpreter
« Reply #9 on: November 08, 2011, 11:42:41 am »
ooh, yum, that looks nice O.O

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Re: [lua] Logo interpreter
« Reply #10 on: November 08, 2011, 12:49:58 pm »
Congrats !

Could you post a link to download ?
TI-Planet staff haven't done it yet, and I really want to play with this awesome program !

Offline Adriweb

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Re: [lua] Logo interpreter
« Reply #11 on: November 08, 2011, 01:02:35 pm »
I'm going to put it on TIPlanet.org today :)
« Last Edit: November 08, 2011, 01:02:41 pm by adriweb »
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Offline Jim Bauwens

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Re: [lua] Logo interpreter
« Reply #12 on: November 08, 2011, 01:53:29 pm »
Thanks guys :D
I'll upload the package after the contest has ended, as there are some bugs that I need to fix.

I just discovered a bug that the calculator reboots sometimes if you have a " in the code.
This is not my fault, but TI's. (Probably will get fixed if I report it)
The problem here is that " is a special token in Logo, and used allot.
One way to be sure it doesn't crash is to replace
Code: [Select]
"thiscode
with
Code: [Select]
first [thiscode]

It has the same effect in Logo.

Edit: as you can see in the screenshot, the bug is fixed in 3.10 (the emu runs 3.10), while I still had 3.02 on my calculator.
So, I'm happy again \o/
« Last Edit: November 08, 2011, 03:17:20 pm by jimbauwens »

Offline Jim Bauwens

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Re: [lua] Logo interpreter
« Reply #13 on: November 09, 2011, 10:44:04 am »
While there is already a sierpinski curve included, here is sierpinski's triangle (not included):
Code: [Select]
to sierp :n :l
    if :n=0 [stop]
    repeat 3 [sierp :n-1 :l/2 fd :l rt 120]
end

pu bk 100 lt 90 bk 100 pd
sierp 5 200

This is the result:
« Last Edit: November 09, 2011, 11:54:15 am by jimbauwens »

Offline Adriweb

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Re: [lua] Logo interpreter
« Reply #14 on: November 09, 2011, 11:36:38 am »
looks awesome for such a small code...

can you comment line by line the code tho ? :o
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