[Cuis-dev] Let’s change everything

[Phil B]

I think he's suggesting something like this:
https://rantonse.no/content/07-blog/0-2016-05-12/rubik-flat.png

On Tue, Sep 1, 2020 at 1:04 PM Juan Vuletich <juan at jvuletich.org> wrote:

> I don't quite get what you say but it sounds intriguing. Can you do a
> quick drawing on a paper and post a photo so I can understand?
>
> Thanks!
>
> On 8/31/2020 3:03 AM, Luciano Notarfrancesco via Cuis-dev wrote:
>
> Another option would be to avoid 3D all together and do it in 2D. Think of
> the cube as a cardboard box, cut some sides and lay it flat in the plane.
> Like a sort of symbolic representation of the cube, could be interesting.
>
> On Mon, 31 Aug 2020 at 12:11 AM, Phil B via Cuis-dev <
> cuis-dev at lists.cuis.st> wrote:
>
>> Juan is pointing you in the right direction.  It mainly depends on your
>> objectives:  Ray tracing will result in more lifelike lighting and shadows,
>> at the expense of performance (Luciano's implementation will only run on a
>> single CPU core).  OpenGL will give you performance (taking advantage of
>> your GPU), at the expense of realism.  Let's aside the latest gen nVidia
>> cards with hardware accelerated ray tracing: OpenGL doesn't support it,  it
>> would limit you to a tiny fraction of the GPU universe currently and
>> nothing I'm aware of in Cuis or even Squeak/Pharo-land will help you with
>> it.
>>
>> For this application, I would think OpenGL is the way to go.  Both from
>> the standpoint of the simplicity of it (your scene consists of 26 colored
>> cubes, for a standard Rubik's Cube, which can easily be realized with
>> vertex shading) and the fact that at some point you'd probably want to
>> animate it to 'show' the solution.  Since your shading needs are basic, you
>> can also stick with the fixed-function pipeline (i.e. OpenGL <=3) to keep
>> your life simple which is what most OpenGL tutorials out there cover.
>>
>> If I were doing something like this, I'd probably do it via a web app
>> using WebGL... it would be more than capable of handling a scene of this
>> complexity.  This may be more than you want to bite off right now, just
>> making you aware of the possibility.
>>
>> On Sat, Aug 29, 2020 at 9:22 PM Juan Vuletich via Cuis-dev <
>> cuis-dev at lists.cuis.st> wrote:
>>
>>> On 8/29/2020 3:35 AM, Casey Ransberger via Cuis-dev wrote:
>>>
>>>
>>> > Hey Juan!
>>>
>>>
>>> >
>>>
>>>
>>> > You were doing some stuff experimentally with the video hardware
>>> everyone has in their pants now.
>>>
>>>
>>>
>>>
>>>
>>> Well, I guess you refer to OpenCL. But OpenCL (a C like language for
>>>
>>>
>>> doing numerical computation) has no relation to OpenGL (the most common
>>>
>>>
>>> API for 3D graphics).
>>>
>>>
>>>
>>>
>>>
>>> > I *really* want to create a sort of holiday for people who love twisty
>>> puzzles, starting with the classic Rubik’s Cube. Like, I have a few
>>> algorithms that I’m focused on memorizing, but other people should be able
>>> to chase their own algorithms.
>>>
>>>
>>> >
>>>
>>>
>>> > I’d love to help create a dictionary of speedcubing algorithms and all
>>> you have to do if you want access to a community-built set of hard-earned
>>> algorithms, is just read and participate.
>>>
>>>
>>> >
>>>
>>>
>>> > I want some 3D graphics in Cuis, but we don’t need much: just enough
>>> to make use the platform that every speedcuber resorts to when everything
>>> else has gone to hell in a hand basket. Just a way to think about what went
>>> wrong while you were landing the world record.
>>>
>>>
>>> >
>>>
>>>
>>> > I know that your focus is vector graphics, but there are some 3d
>>> things I think we need to at least think about.
>>>
>>>
>>> >
>>>
>>>
>>> > I’m going to be the fiercest human who ever defended cubing as a legit
>>> sport.
>>>
>>>
>>> >
>>>
>>>
>>> > Here comes my name!
>>>
>>>
>>> >
>>>
>>>
>>> > —Casey
>>>
>>>
>>> >
>>>
>>>
>>>
>>>
>>>
>>> I think 3D is very interesting and I'd love to see more activity on it.
>>>
>>>
>>> Your idea sonds neat! But I can't really help you. I never did 3D, and I
>>>
>>>
>>> can't really start studying a new field right now.
>>>
>>>
>>>
>>>
>>>
>>> I suggest taking a good look at https://github.com/pbella/Cuis-OpenGL
>>>
>>>
>>> and https://github.com/len/RayTracer . Phil, Luciano, any comment on
>>>
>>>
>>> Casey's project?
>>>
>>>
>>>
>>>
>>>
>>> Cheers,
>>>
>>>
>>>
>>>
>>>
>>> --
>>>
>>>
>>> Juan Vuletich
>>>
>>>
>>> www.cuis-smalltalk.org
>>>
>>>
>>> https://github.com/Cuis-Smalltalk/Cuis-Smalltalk-Dev
>>>
>>>
>>> https://github.com/jvuletich
>>>
>>>
>>> https://www.linkedin.com/in/juan-vuletich-75611b3
>>>
>>>
>>> @JuanVuletich
>>>
>>>
>>>
>>>
>>>
>>> --
>>>
>>>
>>> Cuis-dev mailing list
>>>
>>>
>>> Cuis-dev at lists.cuis.st
>>>
>>>
>>> https://lists.cuis.st/mailman/listinfo/cuis-dev
>>>
>>>
>>>
>>
>> --
>>
>> Cuis-dev mailing list
>>
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>>
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>>
>>
>
> --
> Juan Vuletichwww.cuis-smalltalk.orghttps://github.com/Cuis-Smalltalk/Cuis-Smalltalk-Devhttps://github.com/jvuletichhttps://www.linkedin.com/in/juan-vuletich-75611b3
> @JuanVuletich
>
>
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