DeleD Community Edition

paul_nicholls · Posted: Fri May 01, 2009 6:37 am Post subject: DeleD scripting plugin

Hi all,
I am toying with the idea to write a simple scripting plugin that will allow you to manipulate a DeleD scene using 1 or more script files via a single plugin DLL.

This would allow for the easy creation of procedural geometory, etc.

I have two ideas on the language to use in the script files:

1 use Lua (www.lua.org) - I have already used Lua in my own Delphi projects and it shouldn't be too difficult to whip something up so I can make the script files in Lua.

I can already simulate simple classes in Lua scripts that would make objects a bit easier/cleaner to create/modify.

possible example code

chronozphere · Posted: Fri May 01, 2009 9:51 am Post subject:

That is a great idea. Razz

I'd go for lua. No, It isn't pascal, but it's still easy to use AFAIK and I like classes instead of long function names. Smile

Maybe It's time to request some new plugin features. It would be great if plugins could be nicely integrated into DeleD. A plugin must be able to retrieve the current selection for example (Selected vertices, polygons etc). Smile

Mr.Fletcher · Posted: Fri May 01, 2009 11:04 am Post subject:

Nice one, I'd vote for lua!
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paul_nicholls · Posted: Fri May 01, 2009 11:37 am Post subject:

paul_nicholls · Posted: Sun May 03, 2009 11:27 pm Post subject:

I know it isn't very exciting, but as a proof of concept, I have managed to get some Lua code to create an object in DeleD Smile

paul_nicholls · Posted: Mon May 04, 2009 7:00 am Post subject:

Here is a better example Smile

Jeroen · Posted: Mon May 04, 2009 7:35 am Post subject:

Excellent! Very Happy

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chronozphere · Posted: Mon May 04, 2009 7:39 am Post subject:

Great.

Are you going to add a little math library to it? That seems neccesary to me if you want to do more advanced stuff. And is it only meant for object-creation or can you manipulate existing geometry aswell?

Keep it up. Wink

Grandmaster B · DeleD PRO user Joined: 03 Jul 2007 Posts: 218

Very cool!!!

paul_nicholls · Posted: Mon May 04, 2009 10:07 am Post subject:

ash · Posted: Mon May 04, 2009 8:13 pm Post subject:

IOm really interested in Lua scripting for DeleD, I think maybe sometime in a year or two when I am little bit better programmer, I would like to maker a simple procedural plant script, or one for some stones, etc

Lua looks to be a nice language to use, I am hoping I enjoy it more than python, I do not like intermezzo code style one bit :/
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paul_nicholls · Posted: Tue May 05, 2009 1:40 am Post subject:

I have started adding in some Delphi classes that can be accessed via Lua now.

EDIT: I have updated the code below

Example code:

Paul-Jan · Posted: Tue May 05, 2009 7:38 pm Post subject:

Excellent stuff. And I agree that tuples are very cool (but only for scripting-purposes, I am very glad mainstream compiled languages enforce predefined structures for result values).

As a sidenote, perhaps you should try contacting Il Buzzo, because he took his lua plugin system quite far at the time. Perhaps a bit too far (was working on including an IDE and testing framework), as the project hasn't been updated for over a year. He is a great guy, so perhaps you guys can share experiences?

paul_nicholls · Posted: Tue May 05, 2009 10:33 pm Post subject:

Paul-Jan · Posted: Wed May 06, 2009 7:21 pm Post subject:

Well, "usable and practical" pretty much equals "great!" in my book!