Penrose Islands

The theme of PROCJAM 2021 is "Change". Which, in my case, means producing familiar kinds of output (procedurally generated islands) but changing up how its done. And thats to use Penrose tiling for the terrain (and water, and lava) rather than a regular grid. The games a bit rough-and-ready (mooch around looking for shinies and throw them into the volcano) but theres a "tourist" mode which lets you whizz around and admire the stunt programming. (Although if you really want to see whats going on ...