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- Subject: Re: multidimensional data with user defined type
- From: Philipp Kraus <philipp.kraus@...>
- Date: Sun, 9 Jun 2013 18:52:50 +0200
Am 09.06.2013 um 18:26 schrieb Pierre-Yves Gérardy:
> On Sun, Jun 9, 2013 at 2:56 PM, Tim Hill <drtimhill@gmail.com> wrote:
>> Lua cannot access userdata items directly (that is by design, its not supposed to!). However, you can write your own C/C++ functions and wire them into Lua, then call these functions from Lua, passing the userdata.
>>
>> On Jun 9, 2013, at 4:27 AM, Philipp Kraus <philipp.kraus@flashpixx.de> wrote:
>>> ...
>>> I have got multidimensional cubes in C++ and would like to push them into LUA. I would like to create a structure in LUA like
>>> data[i][j][n] = 123
>
> To complement Tim's answer, you'll be better off using a
> `data:getElement(i, j, n)` method rather than successive
> `__index(self, i)` calls, which would require some trickery.
Why is a getElement call bett than a __index call ?
Phil
