Geometry Dash #2 | Platform Collisions | Scratch Tutorial

In this 2nd episode of How to "Make Geometry Dash" in Scratch we learn to code Multi Level Platforms, support Gravity, handling collisions with the floor, ceiling, and walls, and covering how to avoid those unexpected Scratch glitches. #scratch #painteditor #platformer #jumping #collisions #scrolling #gameover
This tutorial is designed to be simple enough coding for beginners, but if you know Scratch, you'll also know that the "sky's the limit" for how far you can take this!
Scratch On guys!
🐱 Scratch Studio - scratch.mit.edu/studios/33730...
👀 Playlist for this series - • Griffpatch's Geometry ...
👀 Episode #1 - • Geometry Dash - "How t...
👀 Episode #2 - • Geometry Dash #2 | Pla...
👀 Episode #3 - • Beautiful Particle Tra...
🚀 Boost Your Creativity with Griffpatch
The Griffpatch Academy will take you from "Gamer to Game Creator"
Learn more at 👉 griffpatch.academy 👈
😺 Scratch was developed by the Lifelong Kindergarten Group at the MIT Media Lab. See scratch.mit.edu
-------------Video Chapters-------------
0:00 Intro
1:09 Adding Platforms to the Level
3:21 Adding Gravity to a Scratch Sprite
5:19 Colliding with the floor
6:52 Custom Blocks & Run without Screen Refresh
8:29 The Main Game Loop
10:33 Adding back jumping
12:01 Stop the player jumping into the ceiling
14:31 Death by wall collision
16:10 Coding up the improved Move Out of Level Block
18:26 Multiple Ways to Die “Game Over”
20:22 Next Time

[@griffpatch]

EPISODE 3 - kzbin.info/www/bejne/qmfSpmaAZ9iqerc HELPFUL TIP - If your player's first go to x: y: is too low, you can die immediately from colliding with the ground, just move them up a bit! SCRATCH STUDIO - scratch.mit.edu/studios/33730571 EARLY ACCESS / MEMBERSHIP - www.youtube.com/@griffpatch/join And in case you missed it, here's episode 1 - kzbin.info/www/bejne/fIq9YpWcd5ahntE

[@43NothiNg31]

How should I make this....

[@griffpatch]

Have you followed episode 1 yet?@@43NothiNg31

[@lspectroniztar]

You forgot to pin the comment

[@qwasr1278]

Here before pin

[@Uartig]

ok

[@supergames-810]

I don't really code on scratch anymore (i've moved on to more advanced stuff) but I still find griffpatch's tutorials interesting to watch! And I also like that he is now making a tutorial for my favorite game!

[@drajayprakash6976]

yay

[@TheBestFlight]

Same!

[@venoenix]

same for me! what do you code on now? Because these videos are actually helping me develop a Geometry Dash remake in c++!

[@supergames-810]

@@venoenix i code on godot

[@user-yr6wy4bn9i]

What is it. Tell me

[@CrystalKeeper7]

Great to see the progress on this!

[@griffpatch]

Thanks crystal :)

[@mibsmartlearning9621]

good tutorial

[@the_SEAT]

Noice crystal keeper. I love your geo dash levels!

[@LionAviationAndRoblox]

​@@griffpatchDid you know crystalkeeper7 has a scratch account? I know it because he made geometry dash

[@_SparkHere]

@@LionAviationAndRoblox he knows, he favorited one of his projects

[@Hydric33114]

I love scratch, I love GD this is the best of both worlds combined into one. You make great videos griffpatch, keep up the good work 👍

[@asc-0955]

This is getting better and better! Good job, griffpatch!

[@BobChess]

This goes harder than Deadlocked

[@griffpatch]

He he

[@Rqdu96]

This goes harder than Bloodbath

[@FyonixYT]

@@griffpatch michel jaksoon

[@AbdulMamun_Alt]

This goes harder than Hard machine

[@tastylemoncake]

this goes harder than silent circles

[@siya_the_boss]

I can't believe I'm watching this when it was posted just an hour ago. Our dedication for scratch is crazy lol

[@MayStep78]

You've always made pretty much the best scratch projects keep up the good work

[@CoolPersonReal69]

I found this really helpful. i would say that usually I'm quite good at scratch coding, but this taught me loads of things. One recommendation, you should add different game modes (like the ship), and also the bounce pads that shoot you into the air. :)

[@griffpatch]

That's great to hear! Thanks

[@redknight07_]

Even though i code on PC I really appreciate how you included tips for mobile scratchers too! Amazing

[@Chiller31916]

Been waiting for the next episode, looking forward to improving my game in Scratch!

[@ralphzepmc]

Hey Griffpatch - You should also make other features such as scrolling background (that's easy) and other gamemodes, such as the ship. As a person who plays GD for 8 years, I'm excited to see the rest of the series!

[@ThisIsRadmehr]

Yeah!

[@alexprodash1]

I play GD Too!

[@SGD2718]

For ship, you have a positive acceleration when click is held and a negative acceleration when click is released. You add acceleration to the velocity and add the velocity to the y position. You can then set the direction to 90-atan(velocity/scroll speed) (if that doesn’t work, change the - to a +

[@SGD2718]

For scrolling bg, you have a large sprite that moves left slowly for a certain number of step then teleports to its starting location again (assuming that the starting location looks identical to before it teleported). Or you can use clones. It’s the same as the ground.

[@noobietubey]

i do not know what you said but alright @@SGD2718

[@nikolaospekov8682]

I just wanted to take a moment to express my gratitude for all the help and guidance you have provided me with through your videos. Your dedication to your craft is truly inspiring, and your passion for game development is palpable in every video you create. Your ability to break down complex concepts into easy-to-understand explanations is truly impressive, and I have learned so much from watching your videos. I feel much more confident about taking on new challenges in game development, thanks to your clear and concise guidance. One of the things that I appreciate most about your videos is how responsive you are to your viewers. You take the time to answer our questions and provide additional resources to help us learn even more. It's clear that you truly care about your viewers and want to help us succeed. In fact, your videos have inspired me to start my own game development project. I never thought I could do it, but your clear and concise explanations have given me the confidence to take the first steps. Your tips and tricks have been invaluable, and I feel like I'm making real progress thanks to your guidance. Your teaching style is engaging and informative, and I appreciate your attention to detail. It's clear that you are passionate about the subject matter, and your enthusiasm is infectious. Your videos are a great source of inspiration and motivation for me, and I always look forward to watching them. What's more, your videos have helped me to gain a better understanding of the game development process as a whole. From the basics of programming and design, to the intricacies of game engines and asset creation, your content has covered it all. I feel like I have a much more well-rounded understanding of the industry thanks to your guidance. Thank you for all that you do, and please keep up the amazing work! You are a true asset to the game development community, and I am grateful to have found such a talented and dedicated teacher in you. Your videos have truly changed my life, and I will always be grateful for the impact you have had on my career and my passion for game development. I'm really glad that I stumbled upon your videos. As someone who has always been interested in game development, but never really knew where to start, your content has been an absolute godsend. It's amazing how much I've learned from watching your videos, and I feel like I'm finally making some real progress towards achieving my goals. In conclusion, thank you again for all that you do. Your videos are a true testament to your dedication and passion for game development, and I am honored to have had the opportunity to learn from you. You are changing lives and inspiring the next generation of game developers, and that is something to be truly proud of. Keep up the great work, and know that you are making a real difference in the lives of aspiring game developers everywhere! I also appreciate how you go beyond just the technical aspects of game development and touch on the creative side as well. Your videos have shown me how to approach creating a game world, designing characters, and crafting a compelling story. It's amazing to see how all of these elements come together to create a truly immersive gaming experience. Your videos have also introduced me to new tools and technologies that I never would have known about otherwise. From powerful game engines to helpful development software, you have helped me to find the right tools for the job. Your recommendations have saved me countless hours of research and experimentation, and I am grateful for your expertise. Furthermore, I appreciate how you emphasize the importance of collaboration and working with others. Your videos have taught me how to effectively communicate with artists, designers, and other developers to create a cohesive vision for a game. It's clear that you understand the value of teamwork and how it can lead to truly amazing results. Overall, I just wanted to say thank you once again for all that you do. Your videos have been an invaluable resource to me, and I know that I am not alone in feeling this way. You have created a community of like-minded individuals who are passionate about game development, and it's truly amazing to be a part of it. I look forward to continuing to learn from you and to see what amazing things you will create in the future. You are an inspiration to us all, and I am honored to have had the opportunity to learn from you. Keep up the great work, and know that you have made a lasting impact on the world of game development.

[@griffpatch]

That...... was a lot!

[@ChocoStuff]

woah u wrote a whole compo lol

[@FruityFartLover]

Bro wrote an essay

[@LeBabol]

me writing an essay for my school project : me sleep me writing a comment thanking my favourite youtuber for the videos :

[@Lolly_poop111]

Bruh

[@Call_me_Hibro]

The reason why the change x by scroll speed needs to be first is because the floor scroll speed is faster then the change x and if you put it first it's the same speed

[@griffpatch]

Interesting, but why has it changed from before?

[@user-ee1pr2cy6p]

I'm loving this. You're the best scratcher in the whole entire multiverse!

[@TheRandomGame99]

This tutorial is so good! Keep up the good work!

[@ChocoStuff]

Thank you for this episode Griffpatch! It certainly made what was made in episode one a whooooole lot better lol

[@TheNerdoGuy]

You can always make something that seems impossible, then do it and make it possible! Great job Griffpatch!

[@CoolPravalProgrammer]

Hi the answer for your question on 20:01 is that Scratch works the blocks in the order they are placed. When the change x is moved above, it works before the change speed block and hence works

[@kingkaisworld3413]

Hey griffpatch. I just wanna say thank you so much for the geometry dash tutorials. I haven’t used them yet but I will when I get my my account soon. Keep up the good work buddy!

[@Kipiti]

I love how you changed the intro color to match the new Scratch color

[@TechTutorialsNow]

Add multiplayer! That will help cool. My brother loves these videos so will be very happy when I tell him there is another! 😂

[@epicflower9666]

Thank you for making this, was really helpful!

[@King_R_Thegamer]

I Can't wait for this to finish ULTRA AMAZING work griffpatch good job!

[@lukasbeyers3634]

Who else agrees that griffpach is one of the best scratchers 🐐

[@christlina123]

me

[@derekjc777]

There are others???

[@Jay3527]

Me!!!

[@GamerGraysonGames]

I’ll take that as a challenge

[@vincentzhivkov6077]

How is he so good

[@TochedGrass3742]

Great job, I can’t wait for the 3rd episode, I hope we add the rotating and particles behind the player, you know we should make a good name for the player, let’s name it billy Edit:I figured out how to make it rotate when it jumps and it’s very easy here’s how to do it When green flag clicked Forever(everything after this is in the forever loop) If speed y>0 then Turn [how many degrees you want for me it was 10] If speed y

[@user-cd3qe8do8u]

wowwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww

[@DashTrashPlayZ]

OMG!!! TYSM! this was so helpful. i am definitely subbing. these tutorials are great!

[@Vmaster007]

Small tip if you're trying to recreate Stereo Madness, you need to get the camera to move up. This can simply be done with a variable named CAMERA Y and moving it when the player is almost out of the screen. The fencing will keep him in and you can move the camera up (by the speed y variable) instead of moving the player up. Same thing for moving down.

[@rajugeorge2220]

He knows

[@Fimochi]

About the fix in the death when collide into a wall horizontally (timestamp 19:38) , it fixes it more because since you were changing the x position last, then the player was moving left by 9 instead of 10, and for the last frame of that repeat 10 you moved right by 1, whereas when you did the fix, the player began moving left by 10 and ended on moving by nothing. That is why that happened.

[@FanticDaBest]

It is already looking great! I can't wait for the 3rd episode!!!

[@derekjc777]

I'm really enjoying your videos. I had a look at Scratch in the past, using Carol Vorderman's Coding Computers books (I know they're for kids, but you have to start somewhere, right?), but never got that far. However, your raycaster series got me hooked! It really shows off the simplicity, and complexity, of Scratch, and now I'm addicted! Kind of... Well done for presenting these videos in such an interesting and accessible way, while not avoiding the more complex concepts, even if you don't describe the details and reasons for some of the algorithms. Those who know, know the reasons anyway. And if a viewer is interested, there are plenty of other videos and articles that tackle the maths, right?

[@archiMark9]

Thanks Griffpatch! I'm so glad you are making these tutorials!

[@Saturn_57]

Belive it or not, this tutorial doesnt only teach for scratch, but it can also give you a better understanding for the logic and the triggers in the real game too, even if they are different, the logic is the same, try making a minigame in GD and one in scratch, you'll see they are somewhat simmilar

[@DanielMinccino]

A comment with no likes and replies? Let me fix that

[@Wisp796_YT]

FINALLY THIS EPISODE IS NOW FOR ANYONE :)

[@griffpatch]

Yes, enjoy

[@Wisp796_YT]

@@griffpatch also my first time see a youtuber from the video that I Am Watching Reply to me.

[@ccc299]

good@@Wisp796_YT

[@Wisp796_YT]

@@griffpatch also thinking of S2 When you pass Level 5.0 S1 Levels are: Levels 1.1 - Level 5.0, S2 Levels are: Levels 5.1 - Level 10

[@Nevy69-VR]

hey griffpatch i know you probably wont see this but i was not very good or interested in scratch because i saw peoples cod like yours and i was super intimidated and i just love they way you teach and help me learn how to more with scratch i love your tutorials thanks so so much

[@nfsjocks6097]

Thanks for sharing these tutorials! I'm making a geometry dash level editor so this is helpful!

[@gaminghub6440]

This is just amazing. I cant believe that you can build such complicated games in scratch

[@buzzsaw2214]

Great Scratcher, you will always come back in my life.

[@Iluhaschanel-wh8pt]

i agree

[@TranVietLongNgo]

Thank you Griffpatch, because of you I have learned a lot about you on this scratch app. I'm almost done with this Geometry Dash program. Thank you !

[@user-yr6wy4bn9i]

Griffpatch's tutorials really helped me created my own Geometry dash game. Thank you Griffpatch

[@Htr955]

I just wanted to say that you helped me start creating scratch projects thank you!!!

[@griffpatch]

My pleasure! In so happy to have helped you

[@FireBroGaming123]

Me too!

[@FireBroGaming123]

The videos help me A LOT

[@GD_KING]

We need this guy to make the 2.2 levels when it releases. How else will we play 2.2 in school

[@Bloxdman]

I loved this tutorial! dont stop

[@Diamondsigmaspaceb]

Thank you for teaching us all this stuff! I’m making my own rpg style game from what i learned from your platformer tutorial!

[@Speed-TV]

This unironically taught me better ways to handle collisions in general

[@Thatsciencekid]

EPIC TUTORIAL!

[@virajsmagic8301]

How did u get the Appel emoji?

[@Aydenmunda]

ikr

[@laadeedu4923]

I can't wait for the next episode 😊

[@Cuber10139]

For Real For Real, this is goated! Griffpatch I love your vids it helps a lot. I'm trying to become popular in scratch so I think this is the way!

[@playeruan]

as a GD player, this actually really cool! Only difference is that in the original game you can't hit blocks with your head.

[@griffpatch]

As you can tell, I'm not a dedicated GD player :) but I should have done more homework!

[@playeruan]

@@griffpatch dw, the project looks great! To make it even more accurate you should check how bad the original hitboxes are (spoiler: a lot, they're super small)

[@ThePikminCivilization]

If you want that feature, on player movement, in the else script Move Out of Level (0). Unfortunately then you are floating and dead, but if there is a death animation for the GD player instead of just stopping then I think it could work out very well.

[@damightyq]

@@griffpatch mabye add it back with a condition this time because the new 2.2 level "Dash" uses it.

[@NatusTree]

Better than most recent tab levels.

[@kirbyirl999]

LOL

[@AdaveGD]

truly a masterpiece

[@ryureichannel869]

Hey a.... Griffpatch Keep up The Good Work. I can't wait to see the next episodes!

[@islemgaming201]

I love, just LOVE and not as much as you think, I love and adore your tutorials and videos!!!! (And please add orbs and jump pads)

[@DeguProductions]

oh wow! Love it!

[@griffpatch]

Thank you

[@PotatoWizard2]

Aw man who else is sooo excited to finish this one!!!!

[@user-mu6pw6gb4p]

Me

[@kenzieaurelio2503]

Me

[@user-wy5mr6nb2u]

Your turorials are sooo good. :)

[@Salleymanders]

Griffpatch your a legend and these tutorials are great. [ps i learned how to make the player rotate when it jumps]

[@SJVK652]

Yes!!! You're the best Griffpatch! I've been waiting for E2 for ages now!

[@axolteo]

Great video! I think the "change x by" error occurs because when you have a broadcast, it desyncs the scripts under it by a tick. Then, since the level scrolling code is still running as normal, the code execution goes: One frame: Player: Change scroll speed by 1 Level: Change x by scroll speed This frame makes it so that the player hasn't moved yet, while the level HAS moved. Then, the second frame goes: Player: change x by scroll speed But since the player is already one frame behind, the level stays one frame ahead, which is why it's not syncing correctly. By swapping the player's "change scroll speed" and "chagne x by" blocks, the code execution would be: First frame: Player: change x by scroll speed Level: change x by scroll speed Now, they've changed their x at the same time. The second frame goes: Player: change scroll speed by 1 But the level still hasn't moved, so the player doesn't get left behind and moves with the level. I haven't watched the first video, but this is my best guess as to what's happening with that and why the solution works. @MINGCHIGO on Scratch, I'm definitely using some of your concepts in my own projects!

[@BadmanYT-1254]

Oh hey I know you :)

[@idkbruh95]

omg it worked

[@BayGamerTV]

I gave an explanation for the buffering mechanic in the first episode, hope you understand!

[@user-yg3uy9ct5b]

Looking forward to these next episode!: - Ship mode - New tiles - Jump pads and orbs - Scrolling background

[@colincayden2068]

That triple spike at 11:55 is harder than bloodbath 💀💀

[@-PRPTL-]

michigun

[@MinecraftToorbator_Ballees]

Well harder than Polargeist

[@LoLv28221]

nah its harder then slaughterhouse

[@villeolof2000]

That’s wonderful! Thanks to this video, anyone can create and edit one of the biggest and best games ever! 👏

[@griffpatch]

Woohoo!

[@Elfsirice]

i agree

[@X3m.Gaming]

this is slowly cooking. it feels like it will take 10 episodes until we will get to 1.0 things so i hope it can be taken that far because its awesome

[@minecraftpeeps796]

I love how simple he makes it sound❤

[@yaley7615]

we still have lots of things to make such as the airships! Also, may you add the arrow-like airship and that anti-gravity beetle (press mouse = flip gravity instantly) :)

[@TheCoriKat]

Do you mean the ship wave and spider?

[@phaze440]

they are called the ship, wave, and spider

[@supramgaming2142]

beetle 💀

[@songchannel31]

Its amazing what you can do in scratch

[@griffpatch]

Isn't it

[@songchannel31]

It is also amazing how you can utilize scratch's potential in the best way possible. keep up the good work!@@griffpatch

[@ThePro64745]

Your Videos have helped me a lot, Thank you!

[@palxz2446]

In Geometry Dash when you touch the ceiling as a Cube, Robot or a Spider(with a jump pad or momentum), if there is not a H Block (Search that in the wiki) inside the block you collide with you die and do not pop back down. PD:same with the wave but wave dies both on non-natural grounds and ceilings so yeah.

[@crackerpooppop]

I find it hard to believe how simply Griffpatch does complicated things in Scratch. Awesome video!

[@redmath991]

ofc jus

[@18HO]

Griffpatch can literally recreate every game! I wish I had a laptop to make games on scratch :)

[@define_nasgo]

you can use any computer with a browser

[@TheRealOfficialDarkyJakeyMusic]

u can make games in mobile google or app in tablet

[@18HO]

@@TheRealOfficialDarkyJakeyMusic yeah but its so hard to make a game there on a phone

[@TheRealOfficialDarkyJakeyMusic]

If you know scratch better, u will find it easy u just ur finger to drag @@18HO

[@PixelMystic124]

10:22 "That looks aws-" Somebody needs to clip that 😂. I can't help it!

[@Mattygezart]

The boom was Funny lol 10/10 for Griffpatch!

[@Kirbycool1234-vn7rk]

Rip Griffpatch Geometry dash Skilz 💀

[@lostforwar5619]

Hello Griff! i hope you're a well. i have set myself the challenge of making team fortress 2 in scratch, however the current raycaster engine won't work too well for that. it would be amazing if you could show us how to make custom levels in your 3D Lazer Tag project thanks for reading

[@axolteo]

Try using DDA with list based raycasting

[@mr-steam5744]

If I’m making a game and I get confused on a bit of coding… I look at your videos for help!

[@user-mk1fv1gm3u]

YOU ARE THE BEST! Keep up the good work! I also fixed my problem.

[@_koy_]

I wonder if he will add game modes to the project. I would love if he did so.

[@konto69]

idea: what if we detect spikes the same way as in our platformer: put them in a seperate sprite? (edit: also spike collision is just rectangle making triple spikes easier (also you can do a quadraple half-spike in your og scratch remake and that is (almost) impossible in normal geometry dash))

[@griffpatch]

Yep that method works very well

[@YepItsSandro]

@@griffpatchwhy are these tutorials much simpler than usual?

[@EHMM]

acessibility@@YepItsSandro

[@konto69]

​@@griffpatchhave you read the edit

[@CubeXC]

This is such a good tutorial!

[@Adb806]

I love your vids they are so helpful :)

[@MrMarcusGD]

This is such an amazing moment for the community

[@XCAT1]

no way. Mrmarcus in comments 😳

[@MrMarcusGD]

@@XCAT1 no way

[@legotimewithjavi9292]

​ @griffpatch i had a glitch where when i would play it, it would just glitch through the floor how do you fix it?

[@LeBabol]

instead of making chunks, you could just use lists and custom blocks to build the level

[@SombreroMan716]

He did that with the Scratch RPG series, but that would mean having to build you own custom level editor, as well as saving and loading, which took a LOT of time. And I think he is trying to keep this tutorial series beginner friendly as well.

[@LeBabol]

@@SombreroMan716 yeah

[@legotimewithjavi9292]

​ @griffpatch i had a glitch where when i would play it, it would just glitch through the floor how do you fix it?

[@legotimewithjavi9292]

​ @griffpatch i had a glitch where when i would play it, it would just glitch through the floor how do you fix it?

[@legotimewithjavi9292]

​ @griffpatch i had a glitch where when i would play it, it would just glitch through the floor how do you fix it?

[@OhioMusicOfficial]

wowwww this was so helpful keep up the great work griffpatch

[@ChaoDee]

I added speed portals to my own lol, thanks for the amazing tutorial!

[@LittleTimmy_IPS.]

OMG SO CUTE

[@guest_tristan55]

Hi, your game is way too hard

[@ItzFlowerGMD]

​@@guest_tristan55theyre not robtop...

[@LionAviationAndRoblox]

ROBBER GAMES

[@CrappyGD]

@@LionAviationAndRobloxKingsammelot viewer 👍

[@FsInTheChat57]

That triple spike was so hard because it has the equivalent of fixed hotboxes because of the smaller rectangular hotboxes the actual game uses

[@692-Diamond]

I have no idea how you do soooo good and even teach so good. I could barely tack my teacher what a sprite is! Keep up the good work! :):):)

[@Felileloo]

This is so nice! Thank you very much❤

[@hust_man]

Thank you for this tutorial!

[@joeteske-tj7mn]

great tutorial, really helping my geometry dash game!

[@Silly_kiwii]

I love your videos!! I would recommend playing background music in your videos, to avoid moments of silence in the videos ^^

[@racer8229]

Remember my comment on episode 1's video? Well after hearing 0:22 Im happy to hear that Great videos!

[@michaelwynn2500]

thanks for responding to my question on episode 2!

[@michaelwynn2500]

ive also heard of your famous geometry dash project :)

[@markgamez1]

for the script execution order, sometimes if you put a change variable above or below it could be offset by 1 or -1 and that could be a big problem sometimes as it could be out of sync

[@griffpatch]

I like your thinking, but I wonder why this might be? :)

[@RobProPlayer-ql6yp]

Amazing!!! Griffpatch is such an amazing tutor... HE has taught me everything in scratch FROM Scratch

[@alexanderbravo9497]

this series of tutorials is so good im watching it at night. XD

[@KatieRuby1]

thanks for helping me with Scratching

[@FrequentHairYT]

I finished PT2! Very excited for E3 :DD

[@rameshify]

I was expecting this😁

[@user-rp8op6jx4i]

It work! :D Thank you for griffpatch!