"Kenneth" <kdw### [at] gmailcom> wrote:
> Josh English <Jos### [at] joshuarenglishcom> wrote:
> > >
> > I've been trying to build up a tutorial on some special effects. I've
> > managed a somewhat decent motion blur and focal blur, and a "portal"
> > effect where one part of the image is in a different space than the rest.
> The more I play with the meshcam demo scenes, the more fascinating it all gets!
> I'm still working on the stereo red/cyan anaglyph idea (and its problems, ha),
> but meanwhile, here are some of my own motion-blur experiments. I used the
> 'meshcam_persp_demo' file, with aa_samples=40.
> In that code-- in the mesh-camera's #while loop-- I simply changed
> #declare c_look_at_tmp=...
> #declare c_look_at_tmp=c_look_at;
> then following that:
> translate .008*i_samples*x // (or any x,y,z combination!)
> // and/or...
> rotate .8*i_samples*z
> This works because the camera mesh, as first constructed in
> 'meshcam_macros.inc', is apparently made facing +z and is centered on the origin
> (well, it's a bit more complicated than that.) So any translations or rotations
> here come *before* the mesh(es) are re-positioned and re-oriented by the
> 'meshcam_placement(...)' macro. Simple! But it took me quite awhile to
> understand how the mesh camera and its mesh work together, in the various
> BTW, only one triangle mesh is actually constructed; all of the others used in
> the meshcam camera are just copies.
> I'll follow up with some more notes and images of my stereogram tests and
> instantiated meshes...
Wow...that is very cool. Great as a motion blur.
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