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2022-03-28modules/swarm: add lines drawing styleVito Caputo
Introduce drawing styles, adding a line style in addition to the existing points. Settings are style={points,lines}, default is now lines.
2022-03-28modules/swarm: remove extra ticks multiply on leader radsVito Caputo
No idea why this was in there. Though it makes the leader jump by huge values, since it still winds up as samples on the same path, just non-continuous, the swarm still appears correct, hiding this braino. If you reduce the SWARM_SIZE to a tiny number like 2 though, it becomes very obvious that the leader is teleporting all over the place.
2022-03-19*: drop til_module_t.licenseVito Caputo
Originally the thinking was that rototiller modules would become dlopen()ed shared objects, and that it would make sense to let them be licensed differently. At this time only some modules I have written were gplv3, Phil's modules are all gplv2, and I'm not inclined to pivot towards a dlopen model. So this commit drops the license field from til_module_t, relicenses my v3 code to v2, and adds a gplv2 LICENSE file to the source root dir. As of now rototiller+libtil and all its modules are simply gplv2, and anything linking in libtil must use a gplv2 compatible license - the expectation is that you just use gplv2.
2021-10-01*: librototiller->libtilVito Caputo
Largely mechanical rename of librototiller -> libtil, but introducing a til_ prefix to all librototiller (now libtil) functions and types where a rototiller prefix was absent. This is just a step towards a more libized librototiller, and til is just a nicer to type/read prefix than rototiller_.
2021-02-14*: split rototiller.[ch] into lib and mainVito Caputo
This is a first approximation of separating the core modules and threaded rendering from the cli-centric rototiller program and its sdl+drm video backends. Unfortunately this seemed to require switching over to libtool archives (.la) to permit consolidating the per-lib and per-module .a files into the librototiller.a and linking just with librototiller.a to depend on the aggregate of libs+modules+librototiller-glue in a simple fashion. If an alternative to .la comes up I will switch over to it, using libtool really slows down the build process. Those are implementation/build system details though. What's important in these changes is establishing something resembling a librototiller API boundary, enabling creating alternative frontends which vendor this tree as a submodule and link just to librototiller.{la,a} for all the modules+threaded rendering of them, while providing their own fb_ops_t for outputting into, and their own settings applicators for driving the modules setup.
2021-02-08modules/swarm: implement a particles swarm moduleVito Caputo
Just a fun little swarm based loosely on 80s-era boids It would be interesting to make stuff like the # of particles and the weights runtime configurable, or exposed as knobs. Using a Z-buffer for occlusions and perhaps shading by depth might make a significant improvement on the visual quality. It might also be interesting to draw the particles as lines connecting their current position with their previous, instead as pixels. Or fat pixels like stars...
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