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, <sf.alexi...@spamgourmet.com>: > "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 - > george.chereviche...@gmail.com > <sf.alexilin.47a524cc51.george.cherevichenko#gmail....@ob.0sg.net> 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 <klcau...@gmail.com>: > >> 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 < >> george.chereviche...@gmail.com> 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 <doug.cole...@gmail.com>: >>> >>>> It's just C ffi calls right? >>>> >>>> On Fri, May 21, 2021 at 4:38 PM George Cherevichenko < >>>> george.chereviche...@gmail.com> 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 It is VERY outdated.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 <klcau...@gmail.com>: >>>>> >>>>>> https://github.com/factor/factor/tree/master/extra/nehe >>>>>> >>>>>> On Fri, May 21, 2021 at 3:27 PM George Cherevichenko < >>>>>> george.chereviche...@gmail.com> wrote: >>>>>> >>>>>>> Is there an example? A rotating triangle would be enough. >>>>>>> >>>>>>> George >>>>>>> _______________________________________________ >>>>>>> Factor-talk mailing list >>>>>>> Factor-talk@lists.sourceforge.net >>>>>>> https://lists.sourceforge.net/lists/listinfo/factor-talk >>>>>>> >>>>>> _______________________________________________ >>>>>> Factor-talk mailing list >>>>>> Factor-talk@lists.sourceforge.net >>>>>> https://lists.sourceforge.net/lists/listinfo/factor-talk >>>>>> >>>>> _______________________________________________ >>>>> Factor-talk mailing list >>>>> Factor-talk@lists.sourceforge.net >>>>> https://lists.sourceforge.net/lists/listinfo/factor-talk >>>>> >>>> _______________________________________________ >>>> Factor-talk mailing list >>>> Factor-talk@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/factor-talk >>>> >>> _______________________________________________ >>> Factor-talk mailing list >>> Factor-talk@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/factor-talk >>> >> _______________________________________________ >> Factor-talk mailing list >> Factor-talk@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/factor-talk >> > > _______________________________________________ > Factor-talk mailing list > Factor-talk@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/factor-talk >
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