Generating random tree branch

Question

I want to generate (an image of) a single branch of a tree (the "woody plant" kind). Maybe similar to this branch, or this one.

I need it to be interesting but simple, so just one branch, with a few turns, and only a few splits (where it changes from one limb into two). It should start with one fat branch and split off into a few thin branches. I am not worried about leaves, as I am thinking that leaves are quite a separate issue, so can be handled later.

Where should I start? What is involved in this?

Thanks

Glorfindel · Accepted Answer · 2021-05-09 15:13:59Z

Absolutely the best/easiest way to go is Context Free fractal image generator.

Here's something to get you started (hit Render until you like it):

startshape TREE rule TREE { BRANCH {} } rule BRANCH { NEXT {r -1} } rule BRANCH { NEXT {r 1} } rule BRANCH .01 { NEXT {r 45} } rule BRANCH .01 { NEXT {r -45} } rule BRANCH .01 { NEXT {r 30} NEXT {r -30} } rule NEXT { CIRCLE {} BRANCH {y .3 s .996} }

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