Procedural Animation in 5 Minutes | devlog 1

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The video is for creating a foot placement system, but I nevertheless spent a good portion talking about IK. This video is part of a devlog series but stands on it's own as a tutorial. If you need any help or have questions feel free to join my discord.
My IK Tutorial • Learn Inverse Kinemati...
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Patreon / benblodgett
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0:00 - Intro
0:22 - IK Function
0:46 - Local vs Global Space
1:22 - NaN Error
1:31 - Relevant Angle Summation
2:00 - Re-convert to Global Space For Drawing
2:18 - Foot Placement Method
3:41 - Drawbacks
4:20 - Hybrid Method
5:18 - Resources

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Опубликовано:

29 июн 2024

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Комментарии : 63

@BenjaminBlodgettDev Год назад

Share your updates of your cool projects in my discord discord.gg/4WpA8Ez7FD

@minipig780 11 месяцев назад

Hi I'm looking to use this in my project and I'm just wondering what software do you use for your maths and graph thingy well done on the video(btw i kinow im a little late to it)

@unluckypanda5448 2 года назад

*Watches too many rain world videos* "Hey, i should learn procedural animation!" *Watches this video* "Nope"

@BenjaminBlodgettDev 2 года назад

If it discourages you from making ineffective use of your time, then I consider that a win 💪

@unluckypanda5448 2 года назад

@@BenjaminBlodgettDev i jumped from a rabbit hole right into another one... Now i'm watching how to make 2d games in unity :/

@BenjaminBlodgettDev 2 года назад

@@unluckypanda5448 If you get stuck, me and others in my discord would be willing to help

@unluckypanda5448 2 года назад

@@BenjaminBlodgettDev i feel like starting out is the worst part. Ive been trying and giving up a lot, and i mean a LOT of times over and over for years now, first getting inspired and then having a blank unity project in front of me trying to figure out the most basic platformer controller ever and why the tutorial one doesnt work. I'll check out the server anyway, i will definetely find some useful info and recieve help from some people, so why not? :)

@jamiefrancescavalencia8634 3 месяца назад

rain worl wawawawawawawawawawawwawa

@ceciliameetsworld Год назад

i'm a baby dev so i understood pretty much nothing, this was a great video.

@brazen3550 2 года назад

this video has made me gawk in awe

@g.guerra2078 Год назад

slow down brother you are giving me anxiety

@lakewaltz Год назад

Plays rainworld, decides to learn Inverse kinematics because of rainworld, met with more rainworld. Cool

@larsmaas07 2 года назад

This is a perfect and simple explanation of procedural animations! I used this technique for my spider game. It was quite difficult. Also great video just 5 minutes but still so much information.

@BenjaminBlodgettDev 2 года назад

Thanks! I think the next method will be more straight forward in some ways.

@lemonice 2 года назад

4:20 of course you couldn't make procedural animation video without using Rain World OST

@xXMacielloXx 2 года назад

420 😎

@quack2943 2 года назад

isn't that the threat music for outskirts?

@jackliberson Год назад

@@quack2943 it is

@BenDover-we3to Год назад

Fr bro

@onerimeuse Год назад

Holy sht. Such a complex thing, explained so concisely. I'm really new to game dev, and often need to watch a video a few times before I get it. But not here. (Don't worry, I'll still watch it a few times as I figure out how to implement this, I just mean you did an incredible job explaining it)

@pixiri21 3 месяца назад

For anyone wondering, the v2::polar stuff is converting polar cords to cartesian cords, the first value is the angle the second is the radius. I got stumped on this for ages. Here's the code; func polar_to_cartesian(angle, radius): var x = radius * cos(angle) var y = radius * sin(angle) return Vector2(x, y)

@_marcinrakowski Год назад

Amazing presentation. Thank you for this.

@EmpireOfTheUnity 4 месяца назад

Bob is Miros Bird confirmed?

@matthewexline6589 Год назад

Dayum, I had to turn the play-speed down to .75x for this video, and the content was paced well and not slow at all. You really crammed a lot of great info into 5 minutes, and not a single ad! Great work man, thank you! One thing I couldn't seem to get over is that you started the video mid-word and an image fleeing from the screen and so I kept starting the video over looking intently at what it was I thought I was missing lol.

@BenjaminBlodgettDev Год назад

haha I cut out the first few seconds or so after I uploaded because I didnt like them as much. I think I had a long winded sentence about how I would educate the viewer based on some experience or research I had, but in hindsight I preferred to jump right into the meat of the video. The youtube editor was a little janky so I couldnt cut it right where I wanted. kinda wish I didnt cut it there but it is irreversable for the upload

@RictorScale 3 месяца назад

This is great thank you

@armemessser 2 года назад

Interesting topic. Have not come across this before, but the approach makes sense. And the effects are pretty nice. To get it even better I guess one would have to add a y component. So that the feet don't go in a straight line to the LERP point, but rather in an arc.

@BenjaminBlodgettDev 2 года назад

That is a pretty good prediction of what the next method entails!

@AmirrezaGaming 2 года назад

very good

@dootiepatootie5209 Год назад

Im not a game dev or anything but this stuff is so interesting

@yipperson2974 6 месяцев назад

4:38 wawawawawa

@umbranocturna6342 2 года назад

i will never use this, but great video

@SombreroMan716 Год назад

Amazing video! Even though I somehow understood all of that, I feel hat if you explained with some visuals representatives, the explanation would be easier to follow.

@equar628 2 года назад

Only if this resource was out when Randall was doing his IK stuff for arcana

@michelecini7600 3 месяца назад

Hey man is the next video on procedural animation still coming out? It’s a topic that’s not talked about enough… well, in depth enough at least

@nulcow Год назад

I'm very concerned that I have to learn how to implement this stuff if I'm going to develop a Spore-like game.

@MigWith 19 дней назад

4:12 of course rain world song HAHA!

@woahyogurtz 26 дней назад

i could recognize rain world music anywhere

@comnrade 28 дней назад

i'm trying it to make organic animations for the enemies for my survival game, god damn i never tough it would be so fcking difficult to code a simple ankle

@comnrade 28 дней назад

i just give up making everything by code so i just made the feet follow the target position and t]for the ankle i just used bones and joints

@cirno6358 11 месяцев назад

at 2:26 is it supposed to say if L1 + L2 < d?

@Badsiner Год назад

how do you make it so that when you have multiple softs in your soft roll; you arent interfereing with another soft like accidentally

@BenjaminBlodgettDev Год назад

sorry I dont know what a soft roll is. can you elaborate?

@AmirrezaGaming 2 года назад

@huraqan3761 Год назад

I'm confused about the condition "if elbow_angle_relative != elbow_angle_relative". Surely it could never be true, right? How does that work? What language is this :P (sorry for asking)

@BenjaminBlodgettDev Год назад

It's C++. In some cases like if you divide by zero, a variable's value becomes NaN (not a number) because zero division isnt possible. When this variable becomes NaN it breaks the whole system. I would much rather it be set to zero in such a case than have everything get messed up. To solve this we simply check if the variable is NaN, and if it is we set the value to zero. The way you do this in C++ is by checking if a variable is equal to itself, because a variable will always be equal to itself unless it's value is NaN.

@huraqan3761 Год назад

@@BenjaminBlodgettDev oh ok thanks!

@lewisguapo 7 месяцев назад

Why not add a perlin?

@EKUL34 Год назад

You said you would solve all 3 issues in this video in the next video, will you still be doing that video?

@BenjaminBlodgettDev Год назад

Haha, maybe I spoke too soon when I made this video. The second video has been put off for a while. The system will solve these issues by using gait data to determine step timings (i.e. duty factors and step triggers), using sinusoidal curves to offset the y position during a step, and interpolating the x position using an interpolation curve whose first and second derivatives are both equal to zero during the start and end of steps. These three techniques used together will alleviate the three issues I mentioned.

@tochka832 5 месяцев назад

a bit too fast, but a great starting point into the topic

@infamoustony 4 месяца назад

Why the hell are you in mount Vesuvius

@dylanpratt5081 2 года назад

this is a stupid question, but is the script at the beginning c#?

@BenjaminBlodgettDev 2 года назад

It's c++, but I've actually written this function once in c# and ported it over to c++ later. You'll just need to use the Math class and Vector2 class in something like Unity.

@dylanpratt5081 2 года назад

@@BenjaminBlodgettDev thank you, your explanation is really easy to understand and is a life saver!