Dakitess
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Posts posted by Dakitess
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Hoooo so cool, the guy who wrote the whole program of OptiGT just released an English Video to showcase its use !! It's not the article and I've not seen it entirely but I can already bet that you'll be amazed
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I really don't even know what could please me about that colonies content. I guess I want it to be challenging as well as beautiful, aesthetic. To be able to finetune the colony on a very specific place, like leaning against a cliff partially with the launch pad overhanging over a canyon. The kind of aesthetic and terrain adaptability we've seen in the original trailer, that's it.
But since the actual terrain is miles (sorry, light-year) behind what we saw in the trailer, the lightning and colors so weird, the physics not quite on point, etc, I don't see how we will end with some very basic quasi-flat station with some buggy overhang pillars tentative that will float a some meters above ground, missing the shadows, or not fitting the ground textures definition, etc.
Yeah, quite pessimistic about it, since Terrain and Aesthetic is what I consider as the top priority for KSP2 and it's nothing to say that it under delivers a lot.
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3 hours ago, AdiYoP said:
Thanks for your post @Dakitess . The contents seem very interesting but unfortunately the links do not work anymore. Can you update those ?
Hey AdiYoP, thanks for your interest !
Unfortunately, yeah, the team is moving from a website to another one and it's manual, so not all the article has been transferred so far and I can't reach the original article as I am no longer part of the team. Sorry, I'll reach you when it's back
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It looks really nice indeed ! How many FPS do you have with which kind of PC ?
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I'm afraid it would look really bad and would only be some kind of very rare specific location, not a credible terrain feature that you'll try to find by yourself.
I would love cave as well, but as something that I would randomly find or look for, not these very messy easter egg, very badly implemented, with different shaders, different lightning, different textures, etc.
Terrain tech in KSP2 is so deceiving, this is exactly what I was expecting the most and what actually bring the less
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I did not try SSTO Ascent Path in KSP2, but what you describe is a bit different of what we have as an optimal in KSP1.
In KSP1, using Rapiers Only, most of my SSTO has a very simple optimal path to orbit : SAS ON, proper take off, nose at 1° above the horizon and... That's it. It will accelerate very strongly at low altitude and the rotondity of Kerbin will naturally and very progressively raise it up without any input, thus without sacrificing any sudden AoA change. I tend to Lock Prograde past the 8-10° above the horizon to avoid the nose to get too high and it even improves the last minutes aerodynamic, when all what matters is to get as fast as possible in closed cycle.
That's all.
Sometimes I have to "Power Dive" : take off, climb gently at 1-2°C above the horizon until I reach 2-4km, Mach Aerodynamic barrier would prevent me to go faster : I lock prograde, thus falling nose down my velocity vector, so that aerodynamic is as good as possible, to help the Rapiers kicking past the 400 m/s. Past that point, it will continue to accelerate and you're good to go, without adding another(s) Rapiers which would represent drymass, just because of the Mach barrier.
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I've wrote a bunch of Tutorials and Missions for KSP1 and I like to alternate between :
- Construction tutorials : your first rocket for instance
- Navigation tutorials : manoeuver nodes for instance
- Specific skill tutorial : RCS placement and docking for instance
- Milestone missions : to the mun and back
My KSP1 global tutorial was planned with theses chapters :
0) Presentation and hands on KSP
1) The basis of rocket design
2) Lift-Off, orbiting and Gravity Turn
3) Manoeuvers Nodes and basic transfer
4) To the mun and back (1st Milestone to exploit the 3 previous tutorials) ----------------
5) Design a station and its modules (introduce the docking and thus the RCS placements)
6) Rendez-vous and Docking
7) The logic of interplanetary Transfer
8) To Duna and back (2nd Milestone to exploit the 3 previous tutorials) -------------------
9) How to build and control a basic plane
10) How to build an SSTO and the ideal path to orbit
11) The atmospheric Reentry
12) To Laythe and back (3rd Milestone to exploit the 3 previous tutorials) -----------------
And I did not get any further but we would have some Advanced Rocket Design (aesthetic, performance optimization, etc), Advanced Orbital mechanic (Oberth effect, Bi-elliptical rather than Hohmann, Gravity Assist, etc), Buoyancy and boat crafting, etc.
I wish we had something like this in KSP2, with more intermediate missions, more distincts chapter, some repetition, etc.
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It's actually really not a big deal if it stays as is, indeed. I don't care too much, I just find it not very good, and it feels way too forced, so it can be better for sure. But it might be the least of the priority, clearly, and we can totally overcome it : it does not mean that it should not be mentioned as something to improve / correct
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On 2/5/2024 at 11:34 PM, Meecrob said:
Seriously. It feels like you would get awarded a "participant" ribbon just for hitting the spacebar. Also, the "lore" of a coffee addiction isn't interesting at all. When Apollo 11 landed, and the astronauts were debriefed, Gene Kranz wasn't like "Yeah, its cool you guys completed the mission, but seriously, have you tried this coffee?"
Also, what is up with the sightseeing missions on Kerbin requiring a Lander Can? Why would you encourage players to use a part designed for use in a vaccuum on Kerbin?
Finally, please stop with the capybaras. They have nothing to do with spaceflight. You guys sound like the stoner hippies from my high school who irrationally loved llamas and emus. Yeah, ok, they are kinda cool, but you can stop shoehorning them in everywhere. We get that you like them, but it comes across as trying too hard to be Maxis.
This, a thousand time. I really "hate" this kind of forced humor, everywhere, anywhere, all the time. It does not serve any purpose, it's annoying and quite puerile, because of repetition. Yeah haha okay, coffee, haha, I got it, hehe, addiction, so fun, and Kapibaras, haha look at their big nose, lol, it's funny, it's big, and they go to space, or perhaps, or we don't know, but whatever, Kapybaras, and coffee addiction, cause we all love coffee and all are addict to it, and it's fun, just like big Splosions, always, way more fun than actually succeeding a mission, don't get too serious, c'mon, it's a game, crashes are fun, and eclipse as well, haha, Jeb crashed its face on the ground and still live. Lol.
Yeah, sorry for the rant.
Regarding the topic, I did not watch the tutorial except the Gravity Turn one, which is very good as a very short "basic" which does not teach everything step by step. I think it's the best Tutorial format, a 2 minutes animation that won't go in Gameplay details, so that the community then handle the 20minutes long docking step by step tutorial. It ensures that tutorial actually don't ruin the Die and Retry aspect of the game, the proudness to succeed by ourselves, while in the same time giving just enough information about physics and global advices to not feel abandoned.
It needs to be declined with all the Tutorial topics that we usually looked for in KSP1 : manoeuver nodes, RdV, docking, interplanetary transfrt, aerobraking, Gravity Assist, landing, but also some Craft design tutorial, about RCS placement, CoL/CoM, optimization, and so on.
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This presentation, and especially the visuals are stellar, for real. Really really nice.
As an occasional Orbital Mechanics / KSP teacher in Engineering High School / University, I've been trough all theses explanation in pretty much the exact same order, but with about 3 to 4 hours courses content, detailing every aspect of it and using KSP as the perfect support to learn and feel how it works. I'm clearly not at the point of doing that kind of visuals which are very helpful and well thought ! It's a shame I'm such a bad drawer haha.
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I don't understand what could be the problem in KSP2 if you're handling that perfectly in KSP1. Where do you struggle more, what do you find different ?
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Yeah 1.3 is really the lowest TWR you wanna have. To suit some RolePlay crewed mission for instance, this is what I do. Otherwise, best performance is around 1.8 to 2.2 depending on the rocket (sounding very aerodynamic tiny rocket can get way higher as an optimum). It really changes everything. Can be hard to find the sweet GT spot though, 1.4 to 1.6 is the easier.
Really, forget about that "drag" losses, they are so marginal if you're doing a proper GT (which is optimal regarding Drag) and if your rocket is correctly designed, i.e. without an atrocious fairing or something else. Even though, you can still do a GT and win a lot, you'll just have to adapt and do a "round" GT, not an agressive one, to get a bit higher than you would than with a proper design.
By the way, here is my tutorial about Gravity Turn. It's in French, but you all know what I'm talking about :p
It won't sound as "pro" as other, regarding the audio and so on, I'm not a Youtuber, but i'll humbly admit that I consider this video as one of the most comprehensive regarding this topic.
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Thanks haha
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Yeah 1.3 is really the lowest TWR you wanna have. To suit some RolePlay crewed mission for instance, this is what I do. Otherwise, best performance is around 1.8 to 2.2 depending on the rocket (sounding very aerodynamic tiny rocket can get way higher as an optimum). It really changes everything. Can be hard to find the sweet GT spot though, 1.4 to 1.6 is the easier.
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3 hours ago, Hotel26 said:
First of all, I heartily endorse your methods and reasoning. This jives with everything I (think I) know.
Would you please check your sentence quoted above, and then also check the color-coding, because I think your pale blue line is the 5-down pitch, which can potentially occur at a lower speed. Your sentence currently seems to read in reverse that a bigger pitch-down can occur at a lower speed., which is precisely counter-intuitive and counter to what I think you are really intending to say.
Tres bien!! I have to say. (I may add more downthread at a later time...)
Totally right, typo haha ! Can't edit, there is new rule (I guess) with a limit edit time... Arf !
3 hours ago, Vl3d said:This is correct. No turning more than 10 degrees before 10k. I would actually be conservative and say that you should not go more than 30 degrees before 20 km. Never aim for close to 70 km AP. You will burn at 60-70 km and 1800-1900 m/s.
I hope it's not really the case OR it will be fixe ASAP as I won't ever launch this way after such a good experience in KSP1. It would not make any sense, like, at all. No launch will suddenly pitch by 10° at high speed, this is absurd, even for a game.
Edit : misread the Vl3d quote, my bad, you're not saying we should angle 10° at 10km, but rather that the angle should not exceed 10° by 10km. Which I still strongly disagree, of course, it would be a VERY vertical non-Gravity-Assist ascent, very unoptimized, something like 10-15% less efficient than a correct GT. But it might necessary with the actual KSP2 release, did not try it : if it's the case, yeah, I confirm, it's very very bad, but we would have seen way more complaints about it I guess, I did not see anything about it, past your experience.
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I had a whole article about that, with some diagrams and abacus to be able to get some proper real Gravity Turn based on the TWR at liftoff, considering that it's design is OK-ish.
We spent something like a hundred hours coding an empirical method to plot the very best PitchOver Speed and PitchOver Amplitude, with some automation and some variable, and then coding a whole Perfect Gravity Turn kOS code, quite better and more versatile than the Gravity Turn mod for instance.
Unfortunately, this article is lost at the moment, we are transiting from a website to another one.
I can anyway provide this abacus :
It shows the PitchOver Speed trigger and the PitchOver Angle amplitude, relative to the LiftOff TWR.
How it reads : for a given TWR, say 1.5 which is quite a "normal" TWR, you can Pitch Over at 14m/s and 65° (from the horizon, so 25° from the vertical), or 62m/s and 85° (so 5° from the vertical). Both would perform quite similarly, BUT the lower the amplitude, the better : you don't want to pivot 25° abruptly at high speed when you can do otherwise and smoother : it would be unaesthetic, dramatic for the structure even if KSP would allow it, and can lead to loss of control because of the AoA, even if at those speed and with gimbal, it should be fine.
You'll say : it depends on the rocket, yeah, of course it does ! It depends of its Solid to Liquid fuel ration, the TWR of the upper stage, but also the Sea Level to Vacuum ISP ratio, the Stages mass proportion, etc etc etc. Of course. But you'll find by experience that the very main parameter is the LiftOff TWR, assuming that your rocket has a "normal" configuration : not a crazy large fairing, not an anemic or overpowered 2nd stage, not an unrealistic asparagus mess, etc. Even though it would be a good start and it's easy to spot when a GT is going too low or too high within the first 30s (or even sooner) of a launch
Also : most of these parameters are addressed in the final code, the OptiGT kOS script, which handle many things. It's based on a dichotomies approach but include some shortcuts and clever adjustments, as well as a very very nice GUI ! I would love to get your feedback about it, it's for KSP1 but I'm pretty sure a lot of us are still using it. Don't see it as a cheaty autopilot, more of a Perfect GT finder, to learn how it's doing and develop the "sense", the feeling of a good GT. And it's very very handy when you're optimizing every drop of fuel as well :p
https://github.com/PhilouDS/opti_gt
Anyway, as a way shorter answer to the question : I always, alwaaaaays to the Follow Prograde method, the only good looking GT method :p And with quite some experience, I can perform a perfect GT in a couple tries as well as ensuring that the first one with be "good" at least
It's very satisfying, and it's soooo much more efficient than any other kind of ascent trajectory. Ho, also, never ever throttle down your engines. NEVER. I've never encountered a single rocket launch when it would be preferable. Change your engine if it's too powerful, you'll gain Mass and ISP most of the time. Be aware that Atmospheric drag is WAAAAY over estimated by players, Gravity Losses are the most important one. At least with a proper GT, of course, in follow prograde :p It does not prevent you to do an active GT though : you feel you're leaning too fast ? Hold that SAS button a couple seconds, it will help a lot, especially if noticed during the first 15s of flight !
There is some "key points" that 90% rockets will follow : 25° from vertical at 3500m, 45° from vertical at 8000-10000m, 70° from vertical at 25000-35000m. The very first 2 key points are essential, they can vary, a TWR = 2 will lead to something very aggressive with 45° as soon as you hit 3000m, especially for light sounding rocket, but for 1.4-1.6 TWR, you'll have a good feeling of a GT being too low or two high with theses key points.
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I tend to second that, It really does not give any feeling of coherence to unlock techs because of achievements. Of course, it's not completely absurd, because it's a game : it can be understood as a big shortcut like "Congrats for doing that, here is more funds, enjoy" that allow for research and better techs, to go further, please even more Mister President, that will allow for more funds, etc etc.
Why not.
But yeah, it could have been done better. I don't know exactly how, though, and it does not seems to be an easy task ! Money exclusively, actually, why not. But it loose the advantage of Science to allow people to discover the part gradually, bit by bit, for new comers.
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How do you reach orbit at all if parts are exploding at such low speed during ascent ? Only specific parts ? It might be something related to the max temp resistance the parts were given ?
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On 12/21/2023 at 11:35 AM, Wheehaw Kerman said:
Was there ever any credible doubt?
Yes ?
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I havent tried the update yet, but have seen 3 videos about it and read some pages around there.
Soooo basically, the "Exploration Mode" is still the same than KSP1 but a bit more refined and with some kind of narrative regarding ground anomalies ? Is there any kinf of real "story", a kind of career to involve the player ? We know there is no money and all, but, so no other limitation than research points to unlock parts ?
I find it a bit deceiving. Actually, I played KSP1 Science mode for about 5 hours at most, and career 0 hours. I'm not the client I guess, but specifically because I find it poorly implemented and lacking of interest, so I hoped something more deep and more enjoyable for KSP2. I'll try it anyway but your feedback are welcomed about it !
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Yeah but... Planes !
I find landing in KSP way way way too easy regarding the challenge that it should be when it comes to shuttle, big massive SSTO, etc.
Some random wind would help mitigate that, as a togglable difficulty option if necessary
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Though I would nuance and say that some wobble is still important, more than actually. Except if it implies to maintain a performance heavy system just for some light wobble than I can live without, I guess, to be replaced by something else more valuable indeed.
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Agree that in the videos I've seen, it feels really too much rigid, or more precisely, too much solid, rough, robust. It ain't wobble and bend ? Fine, make it snap !
Since it won't be really easy to do so, wobble and struts might be a good thing to fine-tune. Indeed, it's totally not OK to get a very well designed rocket, realistic, with good proportion, to bend over like a wet a noodle. Unacceptable, unenjoyable. But it's neither not OK to get a weird contraption flying straight while it would OBVIOUSLY bend / break.
Lot of players were legit afraid of that, to loose a whole part of design visual failure feedback and it happened. Or I guess, I must say, did not try it for now, but videos are quite explicit.
I remember reading that part snipping because of over constraint would not allow the player to understand why / where / how it failed. Indeed if the thing collapse suddenly, it's hard to improve it. But just like we have heat gauges, and just like some bridges construction gate have Mechanical Stress gauges, we could have something like this, something that would show the player that damn, this part is having a hard time and will break very soon.
I still guess that a legit small quantity of wobble is a good thing, as a physic implementation. It already exist(ed), it's there, we have tool to fight against it when needed (struts), it just need to be fine tuned and, ideally, "logic" and coherent, regarding what assemble is clearly a whole big constant diameter cylinder that should act accordingly. And what it a mechanical entanglement that is a legit point of weakness. What part, even with the same good diameter that below and above, is a legit point of weakness. Decouplers, docking port, etc. There is a lot of intelligence to put in this game aspect, it's not hard (not speaking of dev here), it just need to be thought correctly, I guess.
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I'm discovering so many things about KSP1 now that people are getting nostalgic about it ! I've never cared about Kerbals, nor the fictional parts companies, or their description, or the dialogs, or anything like this. I play KSP for 11 or 12 years, 99% sandbox, when we had nothing of this and I admit that I never got hooked but any of this, like, really not.
Now that I read it, I must say that I'm quite reluctant to "Humor, humor everywhere". Not everything needs to be funny, with a relief. It feels in KSP1 and KSP2 (guessing, I've only played it 4 hours in SandBox) it's a bit "ha, see, it's funny, yeah, like, 'splosions, snacks, and all ! and him, look at him, he's dumb ! haha !". I've never understand the whole Kapibara thing, like when it was all over the place, I found out quite cringy to be fair. I just might have missed the thing, it was probably funny if people enjoyed it so much x) Was that a reference to something external to KSP at first ?
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You... Eyeball your TLI ? xD
Haha, I always set up the perfect manoeuver node, the ideal hohmann transfer that tangent the Mun Orbit, then I move the manoeuver node while paying attention to not touch any of the axis, and game on
Even after 8k hours, I would not eyeball that specific part ^^
Even after 8k hours, I would not eyeball that specific part ^^
Please fix the bugs before adding more content
in KSP2 Discussion
Posted
DV calculus were already very questionable in KSP1 with no repeatability even on very simple builds. I have numerous cases about it, like simply changing from Engine A to B and then reverting to A, DV would change sometimes...
It's for simple builds. For "complex" (like, just advanced, nothing terrible, really), it won't ever show correct numbers.
KSP2 is even worse in every part : it makes the DV totally unusable while mods does it correctly (mostly) for years and years on KSP1. I don't get it.