I should add: Looking at the implementation of the x,y,z rotation keys in the shader demo, I expect that it's possible to gimbal lock that rotation (though without textual feedback on the angles, it's difficult to tell where the axes are, and I am not familiar enough with the gimbal lock math to describe how to produce this without that textual feedback).
FYI, -- Raul On Wed, Feb 9, 2022 at 1:29 AM Raul Miller <[email protected]> wrote: > > Yes - I see the cube, but not the text. > > GL_VERSION: 4.6.0 - Build 27.20.100.9664 > GL_VENDOR: Intel > GL_RENDERER: Intel(R) UHD Graphics > GL_SHADING_LANGUAGE_VERSION: 4.60 - Build 27.20.100.9664 > #version 460 core > in vec3 vertex; > in vec3 color; > out vec4 v_color; > uniform mat4 mvp; > void main(void) > { > gl_Position = mvp * vec4(vertex,1.0); > v_color = vec4(color,1.0); > } > > #version 460 core > in vec4 v_color; > out vec4 fragColor; > void main(void) > { > fragColor = v_color; > } > > JVERSION > Engine: j903/j64avx2/windows > Release-a: commercial/2021-12-16T15:15:09 > Library: 9.03.08 > Qt IDE: 1.9.5s/5.15.2(5.15.2) > Platform: Win 64 > Installer: J903 install > InstallPath: c:/other/j903 > Contact: www.jsoftware.com > > Thanks, > > -- > Raul > > On Tue, Feb 8, 2022 at 10:18 PM bill lam <[email protected]> wrote: > > > > I can see the text 'keys: x y z a s l r F4' on macos. > > Did you mean it work on macos but not on windows? > > Did you see the rotating cube? > > What was the output in the j session? > > > > > On 9 Feb 2022, at 2:12 AM, Raul Miller <[email protected]> wrote: > > > > > > From the jqt menu Help > Studio > Qt Demos... > > > > > > The shader demo is supposed to display text in the opengl window -- > > > https://github.com/jsoftware/demos_qtdemo/blob/master/shader.ijs#L159 > > > > > > Currently, I am not seeing that text. > > > > > > JVERSION > > > Engine: j903/j64avx2/windows > > > Release-a: commercial/2021-12-16T15:15:09 > > > Library: 9.03.08 > > > Qt IDE: 1.9.5s/5.15.2(5.15.2) > > > Platform: Win 64 > > > Installer: J903 install > > > InstallPath: c:/other/j903 > > > Contact: www.jsoftware.com > > > > > > FYI, > > > > > > -- > > > Raul > > > ---------------------------------------------------------------------- > > > For information about J forums see http://www.jsoftware.com/forums.htm > > > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
