i made this cool sand falling simulator.

im proud of the rendering algorithm.

first time i actually got recursion to work and make it faster!

normally give up at "max call stack exceeded" :/.

thank you chat gpt!

Play the game here!

falling sand game by wisemonkey -p5.js Web Editor

A web editor for p5.js, a JavaScript library with the goal of making coding accessible to artists, designers, educators, and beginners.

i saw a developer talk about making a sand falling game.

and realized its just a super cellular automata like simulation! which was super exciting because i just reciently did something similar

cellular automata

i made a program for generating cellular automata

Oran's BlogOran C

I saw the coding description and said i got to make me one of those!

My progress over time

mine: got sand falling on the first try*!

(* ) minus some bugs

then got the sand piling beahvor setup

tried scaling it up but it was WAY TOO SO.

Here where recursion comes in.

How the algorithm works

create a square test to see if it has any pixels in it.

remove ones with no pixels

keep sub dividing

until you have sufficient accuracy.

for me it ended up be maxing out at 20 sub divisions

improved the speed from 1 second per draw to 16ms!

thats more like it!

I think its similar to this thing called a quad tree

Quadtree - Wikipedia

Wikimedia Foundation, Inc.Contributors to Wikimedia projects

Just found out what its called when making this writeup. COOL!

i think they have some cool effiancy things

like storing the quadrents as left right nodes of a tree like this. very cool

example from Wikipedia

ant simulator

antwarfare simulator by wisemonkey -p5.js Web EditorA web editor for p5.js, a JavaScript library with the goal of making coding accessible to artists, designers, educators, and beginners. GitHub - wisehackermonkey/antwarfare: ant game were super colones duke it out for supremacyant game were super c…

Oran's BlogOran C

Author

by oran collins

github.com/wisehackermonkey

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