Coding Challenge #14: Fractal Trees - Recursive

[@voleNTV]

Your charisma, and personality is a wonderful break from the usual monotonous programming tutorials. Loving it.

[@AngelowasBorn]

he's way better than my programming instructor :)

[@maxiewawa]

0:36 "What is a recursive definition?" A recursive definition is a recursive definition.

[@johng7602]

I would have give you one more like, but seeing you get 42 likes, and I really don’t want to ruin the number

[@binaryteddybear8741]

To understand recursion, first you really need to understand something else: recursion

[@simonraily330]

GNU as well ;)

[@NStripleseven]

Ah yes, recursion, that word that means recursion

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Very good 😂😂

[@melogenesis4618]

As a cs student, I can easily say that these videos are better than some of the cs courses given in the university

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r u in kerala?

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"that was completely unnecessary, but I did it anyway"

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Holy shit dude, there needs to be more of you at my university! Thanks so much, I am now addicted to your videos

[@edopenroz]

This is so beautiful and inspiring! Thanks for sharing your knowledge, Daniel!

[@TheCodingTrain]

+edopenroz thanks for watching!

[@nizwiz._.5906]

I've been watching your coding challenges for around 1-2 years now, and I never actually thought to try one of these myself. I'm gonna be doing coding challenges every day now, so fun! But I really love your videos, and I think it's because you don't just show the process of making code, you're also super goofy and you show the process of failing to make code properly, and then fixing it. You're awesome, dude.

[@zaknelson1887]

3:36. "I am Groot! I am Groot! I am Groot!" That being said, your videos have been all been really engaging. I'm so glad I found your channel!

[@ThisIsMMI]

Wow!! You are probably the happiest programmer on Earth 😁😁 Good job. Keep it up.

[@Nightlurk]

That's not a fractal tree that's a fractal broccoli!

[@AkbarSyarif]

NightLurk this is made my day

[@luisgeniole369]

12:30 thats a dragon curve

[@samferrer]

NightLurk that is not even a fractal ... just because it looks like a fractal it doesn't mean it is one ...

[@12-343]

Froccoli

[@SabbirAhmed-cm6hk]

:D

[@eastonhay]

I messed around with coding for a little bit and watching these videos make me want to try coding again. You make fantastic videos that explain both the math behind the code and the coding itself. Good Job!

[@slanglabadang]

those push and pop functions make recursive functions so much more simple

[@CoderOfBugs]

I have been binging these videos. Can't get enough! Keep doing what you do, Daniel!

[@dreamer097]

gotta love when you chance upon the exact stuff you've always wanted to learn but never knew where to start. really looking forward to diving into this series!!

[@TheCodingTrain]

thanks, nice to hear!

[@Lostpanda123]

You make math fun. :)

[@MrZakrencony]

Dude, math is always fun

[@dubsimmons7508]

MrZakrencony nooooooo

[@bobbysingh5666]

@@MrZakrencony this is legit fun in scholl you do some + and -

[@cangeylan3714]

this was the best video for me to understand what recursive function in general does. i've been watching your videos to learn more complex js and you've been so helpful. thank you so much

[@CloudC-kj6kt]

what makes you so outstanding than other tutorial video is that you really consider the difficulty learner could face. Thank you so much

[@selvalakshmivinayagamoorth9965]

You are the best teacher I have ever seen. Thank you

[@XANA96]

This was actually very well explained.. even 6 years later. Thanks!

[@bryphi77]

I think you may have got a bit too excited about "having the trunk". You turned into Dr evil for a second... LOL, you make me laugh!!! Thanks again for all these great vids... I have learned so much from them.

[@TheCodingTrain]

haha, thanks!

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Your book nature of code is one of the most amazing things ive read in my life

[@TheCodingTrain]

So nice to hear thank you!

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This channel is a treasure!!

[@reggaefreaksplayground569]

soooooo much energy.Dude you need be in a redbull commercial KEEP up the good stuff PEACE

[@suraj__7]

You're so cool, oh so charismatic, you make me believe in myself. Great teacher you are sir, hats off!!

[@yevheniiherasymchuk]

so incredible, man! it's can be written under every your video. Thank you for all of this, it's really nice

[@TheCodingTrain]

Thanks for watching!

[@Sercil00]

Thanks, this just helped me with some homework that was about to cost my sanity. I just learned about recursion and I find it really difficult to plan far ahead with it. And after hours and hours of trial and error, all the code you got to show for it is so short, you barely have to scroll. Oh well. All the pain is forgotten as soon as it finally does its magic.

[@borjonx]

Best. Teacher. Ever. (so far). THANK YOU!!!

[@cyanozoid2706]

Man, I got so many details about coding ironed out in this one tutorial. Thank you so much!!

[@Yorcont]

The way you talk through your tutorials is nice, always seems like you love programming, I'll say you're excited about it and that is transmitted to the viewers, some could say it can be annoying, but right now i find it inspiring, i'm not supposed to be into programming but it's interesting. Thank you for sharing.

[@Metamor-phosis]

Just finished following and (basically copying) the snake challenge, I'm definitily following this one, too... will be my second program in JS! Thank you so much for your videos!

[@TheCodingTrain]

yay, thank you!

[@shailendrachauhan130]

The the way of teaching now I’m being fan of yours

[@Pygmygerbil88]

this man is total energy.

[@moonlight.sunlight]

Your like a gift from God, thanks for sharing your knowledge in such an easy to understand and fun presentation.

[@tuga684]

7:55 You got me there 👌😂

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I love this guy. Your videos are educational and entertaining

[@Raffaello_Santiz]

Great work! Your videos are ultimately inspirational. You are not so much one who provide knowledge but the one who inspire the students to do great things.

[@TheCodingTrain]

Thank you!

[@nekosalad8308]

best programming channel ever

[@Deafingblow]

I think it would be interesting to see a coding challenge done on a ti-84

[@kamoroso94]

Oh I love programming on those! It's quite a challenge :)

[@TheCodingTrain]

INteresting idea!

[@Rebornedi]

Wow this video was so good! Nice job and keep up the good work!

[@pyrokinetikrlz]

You almost got a Koch snowflake fractal at 12:37. haahahah. Great channel!!! love it! choooo chooooooooooooo

[@goxr3plus_studio]

Better than any teacher !😀

[@Driftload]

9:03 I really want to get good at music sampling and make a remix of all the innocuous funny things you say :D You are such a legend and really good at teaching dude!

[@TheCodingTrain]

I love the remixes so much! There are a bunch here: soundcloud.com/kristianpedersen/sets/coding-rainbow-remixes

[@anthonyatella]

you don't need to push and pop, you just need two calls to branch for each branch call.

[@RupertBruce]

Refactor suggestion: move the block from push to pop to a subbranch(angle) function. You have sold me on this p5 stuff - currently binge-watching your videos. Thank you 🙂

[@aronpop1447]

at 8:36.. how does it keep translating if the x-coordinate of the translate function is 0? in order for you to keep branching you need to translate to where you left off.Im guessing its the rotate function.. so everytime you rotate, draw a line, bounces back but the rotate angle stays the same so then it makes sense why its 0..

[@deltaforce3329]

God Bless you Sir !! Thank you for sharing this with us !!

[@jithunniks]

I love it whenever you bring the slider :D

[@atextful]

Daniel Shiffman, you are like a code showman :D. I really loved your book, keep being awesome!

[@elektrozil9728]

D. Shiffman is a Fukin BEAST!!! (in my book)

[@Fiskgjusen]

Alfred Rivera 100% agree

[@benturner4368]

Flawless transition at 6:00. No one will ever know the truth 😄

[@TheCodingTrain]

haha! Thanks.

[@ChrisOrillia]

Really good, and worth one's while -- Thank you, sir -- clearly you're the local commanding officer.

[@vitorsal1015]

Thank you

[@GarrettStelly]

how are you such a great performer? hardly any cuts or edits and still I'm tuned in.

[@MistahBradley]

I'm subbing to this guy. he'd be an awesome college professor, if he already isn't.

[@MRplusfriend]

MistahBradley he actually teaches at a university :)

[@MistahBradley]

oh nice!

[@MrCrazeyBanana]

I learned how to java script out of you! You are my hero, my inspiration

[@aakashyadav8327]

I just love this video thank u for visualizing recursive functions

[@andreamichel5115]

I'm glad i recently found about this channel. The way you explain programming is so entertaining and makes me want to try these challenges myself. Keep the good work ( does anyone know about any other channel similar to this one but with C/C++? )

[@AnastasisGrammenos]

voidrealms does c++ with QT, i find his tutorials always to the point. Also he has a cat

[@TheDogn]

1:06 What prevents n! from reducing factorial-y beyond 0 into the negatives infinitly?

[@Vigibrah]

Tyler Toole because the factorial function is undefined for numbers less than zero. Indeed 0! = 1, and any number less than zero that is evaluated using the factorial function is NaN. In computer terms, you would say something like N=0 being the case case in the recursive function, and would simply return 1

[@oooBASTIooo]

yeah, he didn't define it correctly. But this is a programming course and it gives you the right idea. If you want to do it correctly, you'd say for n=0 we define n! = 1. For n>0, let n! = n * (n-1)!. I am not sure if you know it, but the factorial function is actually the number of permutations (rearrangements) of a sequence of length n. Thus, it makes no sense for negative numbers and is undefined.

[@dangg6767]

for the first time i feelling regret to leave my IT majors in the university , coding is hell before i see this man . But i think i have to learn coding again . Thanks dude , P.s Sorry for my bad english

[@EpicGames1234]

12:18 if you put that first rotate outside of the if statement you get a different generation with a bunch of circles, did it by mistake but it looks really cool

[@dibayuin7859]

omaygod , he make coding looks simple

[@0x15k]

You are the best! Thank you for all!

[@Beunique143]

You are great sir. It amazing, wow,and exciting me.👍💝💔💓 Thanks for sharing.

[@vishalshiva14]

U are simply amazing👍👍

[@Samit-r3h]

Hey, just a suggestion, a really good way to teach recursion is to visualize it as a domino specifically am talking about the "reverse domino effect", the first time I heard of recursion that is what I pictured, I could explain it to you but I am sure you would get it the instant you search "reverse domino effect"...

[@juschu85]

1:15 Yes, it's allowed to do that. But it only works if you also define "1! = 1" In any recursive algorithm you need a break condition that stops the recurision.

[@nabeelahsan504]

The Bob Ross of coding

[@BromanThings]

Hi Dan, or anyone who can explain this to me: at 5:30 Dan removes var len = 100; ...but the branch() function references the len after the defined variable has been deleted... - and if height - len == the top of the first branch, how does it know what the value of len is? Scratching my head on this one. You're a phenomenal teacher and I've already learned so much. Thanks!

[@Linuxdirk]

Old video, but the concept is still great. I absolutely love what can be done with properly using recursive functions!

[@vishweshbhalerao6798]

Thank you Dan! It turned out beautiful : )

[@xntoniosm]

how can you compile and run the project if you has not define "len" 6:57

[@barreirocls]

how do you run script on a new window on chrome? whats the download link or the website?

[@MrLuiyi02]

Cool video and personality!!

[@marythompson9116]

I was thinking about Dr.Strange's Mirror Dimension but in VR. Remembered Peter in the last movie calling it a fractal. I decided to look up coding fractals because (Im a BS in CompSci and 10yr desktop .net dev) I hate math and recursion equally. I found myself genuinely enjoying this video. I love the visuals and the concept was easy to understand. I'm a bit troubled on how push/pop are working just thrown in there but it's probably just a java thing I don't know. Anyways. Awesome content!

[@TheCodingTrain]

I love this story! You should research the "Mandelbulb Fractal" that really is in the mirror dimension! If you want to learn more about push and pop you can start here: kzbin.info/www/bejne/pWrWmJ2rnZJ2eK8. Also, I have this video about recursion (that doesn't use push/pop): kzbin.info/www/bejne/oIHWi6qoi56fmpI in case it helps!

[@TheaustrianLitrix]

i lerned in 15 minutes of ur video more than in 2 years of programming in my school

[@AYMENDEV]

Legend. Wallah Legend.

[@PcPROBLEM]

Which is the #include to use functions like createCanvas( ); , background( ); , line( ); etc that are used in this code challenge?

[@yp5387]

P5

[@yp5387]

I3

[@leluong8743]

It is a library called p5 which you can download at p5js.org/

[@sweethomes674]

Excellent techniques 😊

[@aaronrios6470]

DRAGON CURVE!

[@zydrunassavickas1]

12:30 when u unknowingly discover the dragon curve

[@majakawalio2631]

Love you bro, you are amazing and such a blessing! THANK YOU!!

[@TheCodingTrain]

Thank you for watching!

[@majakawalio2631]

WITH PLEASURE ;'D

[@angelcaru]

10:55 You can call createSlider(0,TWO_PI,PI/4,0); If the 4rth argument is 0 itll move continously

[@சிந்தித்துஅறிவோம்]

I love coding... and You...😊

[@BlueProgamer212]

Good shi-

[@corvovaro2893]

You explain stuff so well. Do you have a intro to recursion for java tut by any chance?

[@TheCodingTrain]

take a look at these kzbin.info/aero/PLRqwX-V7Uu6bXUJvjnMWGU5SmjhI-OXef

[@corvovaro2893]

Daniel Shiffman Thanks a lot! You're the best!

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Wew, he is too good at it man... He must be a millionarie

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i don't know why but i like this channel. (y)

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you deserve Way more abos

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You got great videos, good work!

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I am not programming at all but I enjoy listening to your videos

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This was a great watch, thanks!

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I love this channel!!!!!!!!!

[@Sorestlor]

remember making my first recursive tree in grade 10. We had only been coding about 3 months in python. Good times.

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Tristhal They taught programming at your high school? I wish mine did that when I was there.

[@TetriarchCZ]

I am mostly c++ programmer, I tried JS few times and it had a charm but not as strong as c++. This video kinda makes me try JS again, not just because of fractals I love so much, but also because of the way a one can develop in it. I wanna try out this p5.js library, can anybody tell me what licence it has? @Daniel Shiffman: I like your way to explain things. ;) Keep up with great work!

[@TheCodingTrain]

thanks so much for the feedback!

[@defense200x]

GNU LGPL

[@robinchetan8]

can u tell me which language/s/w to learn for 3d animation

[@edgarspavlovics3540]

Im not even a coder and this is fantastic

[@charlie_mk7.5]

damn I remember doing those a few years back at school using opengl. That was one of the exams, I actually always thought this was one of the easier ones but it looks so great

[@bachana1231]

Omg i love youuu!!!! I want to learn EVERYTHING WHAT YOU KNOW!!!!! 😍😍😍

[@MaxJoyce1]

nice one dude, you are funny guy, continue to do this staff )) respect from Russia ;)

[@svanse45.56]

I love you and your channel so much. I will try to learn Javascript.

[@themike97_58]

what is the difference between using "function branch(args) {}" instead of "branch = function(args) {}". I know that the first i can treat as an object so i can instantiate is like "branch = new branch(args)" but otherwise is there really a big difference?

[@tomg8671]

this is a really good challenge video

[@anamariaarbelaezlopez4783]

Thank you for sharing!!! ♥