Simple examples without matrices.
Triangle with glDrawArrays
https://pastebin.com/QNgGuM2B
Rectangle with glDrawElements
https://pastebin.com/cxDvwyqj

George

сб, 29 мая 2021 г. в 02:56, <[email protected]>:

> "Generic word my-tuple-field<< does not define a method for the fixnum
> class. Dispatching on object: 1"
> What does it mean?
>
>
> It means you called `1 obj >>my-tuple-field` instead of `obj 1
> >>my-tuple-field`.
>
> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
> On Saturday, May 29th, 2021 at 1:47 AM, George Cherevichenko -
> [email protected]
> <sf.alexilin.47a524cc51.george.cherevichenko#[email protected]> wrote:
>
> "Generic word my-tuple-field<< does not define a method for the fixnum
> class. Dispatching on object: 1"
> What does it mean?
> Now I can draw with glDrawArrays.
>
> George
>
> сб, 22 мая 2021 г. в 17:16, Ken Causey <[email protected]>:
>
>> First I should be clear that I claim no special knowledge.  I'm more of
>> an interested observer and occasional dabbler with Factor.
>>
>> However, a quick grep turned up these areas that may help further at
>> least in the form of example code:
>>
>> https://github.com/factor/factor/tree/master/basis/opengl
>> https://github.com/factor/factor/tree/master/extra/bunny
>> https://github.com/factor/factor/tree/master/extra/cuda
>> https://github.com/factor/factor/tree/master/extra/gpu
>> https://github.com/factor/factor/tree/master/extra/grid-meshes
>> https://github.com/factor/factor/tree/master/extra/model-viewer
>>
>> On Sat, May 22, 2021 at 8:01 AM George Cherevichenko <
>> [email protected]> wrote:
>>
>>> There are three lines of the code which I cannot write in Factor
>>>
>>> glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
>>> glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(GLfloat), 
>>> (GLvoid*)0);
>>>  glEnableVertexAttribArray(0);
>>>
>>> I wanted to use "with-gl-buffer" or "with-vertex-array" from Factor's 
>>> opengl vocabulary. Are there examples of using these commands?
>>>
>>> George
>>>
>>>
>>>
>>>
>>>
>>>
>>> сб, 22 мая 2021 г. в 00:46, Doug Coleman <[email protected]>:
>>>
>>>> It's just C ffi calls right?
>>>>
>>>> On Fri, May 21, 2021 at 4:38 PM George Cherevichenko <
>>>> [email protected]> wrote:
>>>>
>>>>>   It is VERY outdated. I need OpenGL3.0+
>>>>>
>>>>> https://learnopengl.com/code_viewer.php?code=getting-started/hellotriangle
>>>>> https://hsto.org/files/709/5ad/69c/7095ad69c2a5431083ec84dc25b35cdb.png
>>>>>
>>>>> George
>>>>>
>>>>> пт, 21 мая 2021 г. в 23:42, Ken Causey <[email protected]>:
>>>>>
>>>>>> https://github.com/factor/factor/tree/master/extra/nehe
>>>>>>
>>>>>> On Fri, May 21, 2021 at 3:27 PM George Cherevichenko <
>>>>>> [email protected]> wrote:
>>>>>>
>>>>>>> Is there an example? A rotating triangle would be enough.
>>>>>>>
>>>>>>> George
>>>>>>> _______________________________________________
>>>>>>> Factor-talk mailing list
>>>>>>> [email protected]
>>>>>>> https://lists.sourceforge.net/lists/listinfo/factor-talk
>>>>>>>
>>>>>> _______________________________________________
>>>>>> Factor-talk mailing list
>>>>>> [email protected]
>>>>>> https://lists.sourceforge.net/lists/listinfo/factor-talk
>>>>>>
>>>>> _______________________________________________
>>>>> Factor-talk mailing list
>>>>> [email protected]
>>>>> https://lists.sourceforge.net/lists/listinfo/factor-talk
>>>>>
>>>> _______________________________________________
>>>> Factor-talk mailing list
>>>> [email protected]
>>>> https://lists.sourceforge.net/lists/listinfo/factor-talk
>>>>
>>> _______________________________________________
>>> Factor-talk mailing list
>>> [email protected]
>>> https://lists.sourceforge.net/lists/listinfo/factor-talk
>>>
>> _______________________________________________
>> Factor-talk mailing list
>> [email protected]
>> https://lists.sourceforge.net/lists/listinfo/factor-talk
>>
>
> _______________________________________________
> Factor-talk mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/factor-talk
>
_______________________________________________
Factor-talk mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/factor-talk

Reply via email to