[Cuis-dev] Let’s change everything

[Luciano Notarfrancesco]

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
>>
>>
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>>
>>
>>
>
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>
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