I actually coded this up a few weeks ago, and published the code, but didn’t tell anyone about it, so I figure its past due to try to get the word out. Basically, in addition to the being able to break the window into hexagonal and rectangular shapes, using my triangular tessellation code found in the extra-animations plugin, Compiz can now break up the window into triangular shapes. Its just best if you take a look at the video, though.
This effect is used currently in the explode and leaf spread effects. I also added hexagonal tesselation to the leafspread effect, a deficiency that was bothering me for a while. If you want these (and all my effects) grab the code I’ve written, compile, and install. Its located at git://anongit.compiz-fusion.org/users/kdubois/extra-animations. I wrote some brief instructions on how to compile things here. Unfortunately, I don’t have any easy to install packages anywhere (yet), so compiling the extra-animations plugin is required to get the added animations. I’m currently have some other sweet effects I hope to get out in short order, so check back soon! 😛 Have fun with the tessellations! 😀