4 commits

Author	SHA1	Message	Date
Starbeamrainbowlabs	b303f8758a	//erode snowballs: make tweaks & add new noconv param	2020-08-21 22:01:24 +01:00
Starbeamrainbowlabs	fd5804dd9c	//erode: Finish the initial round of bugfixing, but I'm on the fence about it. ... Specifically, I'm unsure about whether I'm happy with the effects of the algorithm. Also, we convolve with a 3x3 gaussian kernel after erosion is complete - and we have verified that the erosion is having an positive effect at "roughening up" a terrain surface. It seems like the initial blog post was correct: the algorithm does tend to make steep surfaces steeper. It also appears that it's more effective on larger areas, and 'gentler' curves. THis might be because the surface normals are more conducive to making the snowballs roll. Finally, we need to decide whether we want to keep the precomputed normals as we have now, or whether we want to dynamically compute them at the some of request.	2020-08-21 20:59:50 +01:00
Starbeamrainbowlabs	cdba38d37d	Start implementing snowball erosion algorithm. ... There's still a long way to go - we're only just getting warmed up!	2020-08-20 01:53:26 +01:00
Starbeamrainbowlabs	6dac57c53e	Implement (untested!) manip interface on top of the raw convolutional code	2020-06-09 20:43:29 +01:00