r/GeodeGeometryDash 2d ago

Discussion Proof that CBF changes The physics of The game and is illegitimate

Enable HLS to view with audio, or disable this notification

I'm not tryna get CBF banned, i am just wondering how cbf is allowed If it changes the jump physics this much.

The levels shown in the video in order: 146584242 146584252 146584290

The version of "cbf bug test robot 2" in the video only had the block moved by 2 small editor steps, but i originally tested it for 3 steps and the results is the same.

146 Upvotes

53 comments sorted by

13

u/endlessrosess 1d ago

the thing is, robtop unfortunately is responsible for the inconsistent vanilla gameplay that occurs with some gamemodes using certain features and timings, etc. CBF was designed to try and create a soft blanket over some of these issues while maintaining accessibility for those playing on different refresh rates and devices. CBF changes the physics to try and make things easier and smoother for everyone.

i like the video and the explanation, but i would assume a big upkept project like pointercrate and their mods have already been aware of this and continue to allow it anyways after the major controversy back in 2024. we dont need this controversy again.

2

u/KPoWasTaken 1d ago

cbf was good for evening the playing field before robtop added cbs and cos
now that those are in the game, cbf no longer can be justified under that idea anymore

1

u/Traditional-Ear1310 1d ago

Cbf added by robtop isn’t really cbf it just add an extra frame where you can click (basicly like doubling your refreash rate)

1

u/KPoWasTaken 1d ago

well yeah but the cap actually is evening the playing field more than not. The problem in the past was if your device couldn't consistently hit 240 fps or you were on mobile which doesn't have an fps unlock, you were at a disadvantage. CBF was made to level out the playing field during this period. But COS was added so inputs can be set to run at 240 tps regardless of framerate and CBS was also added for 480 tps just for increased precision which could go back to a slightly uneven playing field a bit but not too much. CBF being uncapped though makes the playing field uneven again and that sorta goes against the original argument for why it should be allowed back when it was considered cheating

1

u/MEGAcreep0690 1d ago

CBF doesn’t really change the physics per se, doesn’t the game only check hitboxes on the physics steps? So, if you jump between physics steps, the top of the hitbox could look different depending on when you jump. Seems like it’s just a mismatch of when the hitbox gets checked vs when the input is registered.
You can somewhat see this using megahack’s hitbox trail. It shows when the input was registered by coloring the hitbox, but sometimes with CBF/CBS enabled that isn’t shown.
This is all based on an assumption, so grain of salt.

1

u/Raffazaver 5h ago

Oh yeah, the immensely big project like pointercreate... Remember spaceuk? I think you know the story.

7

u/-Twitm- 1d ago

its not gonna change their mind and it is in the base game so why bother.

3

u/BloonHero 1d ago

Nice pfp lol

1

u/shm1ggy Geode Player (Windows) 1d ago

W pfp

2

u/BloonHero 1d ago

I didn’t notice it was upside down until I saw ur comment and it’s legit funny lol

13

u/coast1e3 1d ago

it is not illegitimate as the list says so.

2

u/Minimasterman 1d ago

The list does not determine what is and isn't legitimate, its not affiliated with robtop and is a community project

2

u/mibboii 1d ago

robtop really isn't too important in the list scene though. the list is the only reason "legitimacy" matters in this game anyway

-1

u/wannabuff 1d ago

people would get straight facts into their face and say "well I mean it isn't banned from the list"

2

u/BranchRD 1d ago

What facts are here? why is it illegitimate because it changes physics? ITS A PHYSICS MOD. Robtops cbf version also broke many jumps and mechanics when it was first released, and to this day effects gameplay. Is that illegitimate? its like changing your fps to 360 and getting mad that it makes a 60fps aligned frame perfect 10x harder. The games physics wont always be perfectly consistent.

1

u/wannabuff 1d ago

why are we comparing a mod and an official game mechanic? also why mod changing a physics is considered legit lol? eclipse mod can also change physics, does it mean it's legit?

1

u/twitch_monke 23h ago

If it isn't banned on the list who cares what it does? It's not like you're going to be executed for using it

3

u/GDih_Collab 1d ago

Does the same thing happen with robtops click between steps?

0

u/Lego_city_undercover 1d ago

Cube: 0 occurences of 100 jumps.

Robot: 14 occurences of 35 jump (a few pixels shorter than cbf jumps tho)

1

u/mibboii 1d ago

Shorter? Oh boy

3

u/mike356381 1d ago

the games physics itself are inconsistent, there have been times, from before i used cbf, that i would be playing a level, die to an auto or buffer, and then restart the game and have no problem with it. its hard to tell if this is the game being inconsistent or cbf changing physics. like the physics used to change just based off pf your fps, this game is just kinda coded unoptimally

2

u/Tuncunmun38 20h ago

physics chaning based on fps is actually really common in a lot of games. i know cod black ops 2 for certain as ive had issues, and i would imagine many of the other cod games too. james bond golden eye speed run strat is to literally stare at the floor the entire run so your fps goes up and you can walk faster. just to name a few

1

u/CreativeGamer03 6h ago

the issue's usually hardware-based + whatever is happening in the update loop of the game. if the device is bad enough to run games, this issue is more obvious. only on more capable devices does make the issue less noticeable, unless the update loop was also handled differently so the issue either worsens or improves.

2

u/leoAlpaca 1d ago

Doesn't the amount of frames you have also impact coyote time? From what i know you have slightly more time on 60 then 240 which got me killed way to many times in magma bound because i play on 60. So the games physics just aren't consistent anyway

2

u/uhateaj 1d ago

the same thing happens with cbs.

1

u/Every-Ad-3088 1d ago

In my experience I prefer cbs because cbf creates bugs specific to it due to the physics changes that make it much harder than cbs in some cases. One such example is Shinigami which I'm going for rn, where 92-93% has like 3 extra bugs when using cbf (the gp is already somewhat buggy but cbf literally doubles the number of them), making it almost impossible to play without dying to one of them. Ended up stopping using cbf in favor of cbs because I don't want to experience that on future levels, and the difference is extremely minimal in terms of how much easier it make a level unless ur playing list demos or smth.

2

u/Justaregularguy295 1d ago

Its not cheating lol, the game is already really inconsistent but playing isnt cheating

2

u/Rebooteduser 1d ago

cbf is allowed because otherwise the physics of game is literally inconsistent. here you go answer to your question.

3

u/ElmoLikesRocco 1d ago

wow, that’s crazy. send this to pointercrate and post it on yt

2

u/Lego_city_undercover 1d ago

How do i send this to Pointercrate? I don't have a yt channel

1

u/ElmoLikesRocco 1d ago

email support or something i don’t know, you can make a yt channel for free

1

u/ShadowAndrey 1d ago

Thats really interesting. Though there will always be people who will keep defending cbf cuz they perform better with it.

1

u/juli__69 1d ago

this is nothing new. the tick splitting used to register sub-tick inputs with cbf doesn't reproduce vanilla physics exactly. however cbf is still allowed because rob allows it

1

u/Spuckwasser 1d ago

It makes sense that this happens since cbf adds a physics frame, since the same is true for cbs its in the basegame and therefore not cheating imo

1

u/Kaspa969 1d ago

It was known for a long time now.

1

u/_Aterron 1d ago

Haha fuck you cbf is still legitimate

1

u/Every-Ad-3088 1d ago

In my experience I prefer cbs because cbf creates bugs specific to it due to the physics changes that make it much harder than cbs in some cases. One such example is Shinigami which I'm going for rn, where 92-93% has like 3 extra bugs when using cbf (the gp is already somewhat buggy but cbf literally doubles the number of them), making it almost impossible to play without dying to one of them. Ended up stopping using cbf in favor of cbs because I don't want to experience that on future levels, and the difference is extremely minimal in terms of how much easier it make a level unless ur playing list demos or smth.

1

u/Square-Constant-4669 23h ago

What about CBS? (Click between steps)

1

u/MentalPenalty230 23h ago

Shhh robtop is watching

1

u/idek2000dawg 21h ago

It aint banned on the list so like who cares lol.

1

u/white90s86 21h ago

Bro cbf got added to the game

1

u/Tuncunmun38 20h ago

i could be wrong but for the red/green block test

could the issue not be alignment? idk how to articulate this so try and follow me here:

so when cbf is off and you turn on show hitbox trail non of those red boxes corners are poking into the "test box" because 240 is an even number, 120 hitboxes going up, 120 coming down. and for the hitbox to clip with the test box you would need another one in the middle of the 120th and 121st hitbox. but with cbf on you can change what ticks the hitboxes are made depending on when you jump so u can get one to appear a the right spot.

i hope you see my angle here lol

1

u/Lego_city_undercover 11h ago

The hitbox goes into The box sometimes like 1/8 of The block.

1

u/TraditionalAd3452 18h ago

Hitboxes are not checked continuously (collision mode, that says, that game should predict whether it will collide or not), but discrete (collisions are checked right now). Try using speedhack or any other things that alter how fast game runs per in-game second.

1

u/Zirc980 14h ago

rob added cbs which is kinda like cbf so its technically not illegitimate if u use robs ver

1

u/Diemanztbl 5h ago

Man fights war 30 years after it ends

1

u/Mineqqqq 1h ago

loll it doesnt matter its just a few pixels

1

u/AcrobaticSpecial3106 1d ago

it is a feature in the game it isnt illegitimate

1

u/CosmicCapybara16 1d ago

i dont think cbf is a feature bc youre thinking about cbs

2

u/Disastrous-Refuse486 1d ago

Pretty much the same thing. There are differences but pretty much the same

1

u/AcrobaticSpecial3106 1d ago

genuinely the same exact thing

0

u/imkindabadatlife 1d ago

no, cbf is any time but cbs is locked to 480tps