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#1

Massive level slowdown!

Archive: 10 posts


Arrggg! Today I just ran into a major problem with my new (nearly complete) level and I'm wondering if anyone can help or has encountered this before...

I've still got nearly a quarter of my thermometer left, but what I'm noticing is that I'm getting major slowdown in play mode. The animation gets really choppy to the point where its difficult to play and distracting. It's not just in the more complicated areas - apparently once this slowdown starts it creeps into all parts of the level. For example, at one point I have the camera centered on a single wobble bolt, and even that is slowing down.

The worst thing about it is even when I delete huge chunks of the level (just for test purposes), it's still there! I ran into this problem on my first level - I made a thread then, too.

I haven't used many materials, don't have too many emitters, not a ton of fire....I don't know what triggers it but at this point I may have to cut my level into chunks and copy it to a new level. It worked fine just a day ago and there was nothing out of the ordinary I was doing when it started.

Does anyone know how to get rid of this?? I would hate to have to move my entire level over - I've done it once and it's a real pain.

Thanks.
2009-08-02 21:51:00

Author:
phife211
Posts: 62


Hmm, I've heard of problems with slowdown being related to lights. Have you used a large number of custom lights? I hope Morgana comes along, as I remember her being pretty knowledgeable about slowdown (as she encountered some in her latest level). I also read somewhere that 'shadow' lights increase the slowdown... not sure if you used them or not.2009-08-02 22:01:00

Author:
comphermc
Posts: 5338


Thanks for the reply, Compher. I actually don't have too many lights in my level. I'm only using spotlights or LED lights, and they're usually small.

What's weird is that it just seems like pistons and bolt types are affected - my character can move fine and anything that glued down is fluid.

I think you were the one for my first level that suggested I port it to a new level - when I did that last time, I had no problems with this in the new level (other than the fact that it takes a long time to do and things break).

I also just deleted about all my custom objects, but no dice. I hope someone else has run into this so we can compare notes. I'm 2/2 now on seeing this problem when I'm nearly finished on a level - bummer! I wanted to get Tribe 2 published this week, but that's not going to happen now
2009-08-02 22:27:00

Author:
phife211
Posts: 62


Have you got any emmiters making objects appear and dissappear quickly? That's another cause of level slowdown sometimes.2009-08-02 22:33:00

Author:
S-A-S--G-U-N-R
Posts: 1606


Hmmm...I don't think I have any emitters that have really short lifespans. For most of my emitters, I'll have them hooked up to a sensor or a mag switch so I don't have them running all at the same time.

Not sure if this has anything to do with it - the part of the level I was working on is a collapsing room. It's essentially a suspended room that's attached via a wobble bolt to dark matter - it's upright until it collapses, where the wobble bolt moves direction 30 degrees (just once though). The room and most of the objects in it are made of cardboard. However, even if I delete the whole room (as well as a bunch of other objects) the slowdown doesn't go away...

Do you think that it's some type of corrupt save or maybe something in the level? When I start the level, things move fine for about 30 seconds, but then the slowdown starts - I'm guessing because the game is gradually reading all the data in the level and after some point it starts to slow. Weird, because I have a quarter of my thermo left.

EDIT: awesome sig, by the way
2009-08-02 22:42:00

Author:
phife211
Posts: 62


If you've deleted a lot of stuff and it still has a slowdown then you could try copying it to another place on the moon, if that doesn't work then I'm out of ideas.



EDIT: awesome sig, by the way

Thanks!
2009-08-02 22:49:00

Author:
S-A-S--G-U-N-R
Posts: 1606


Is it a crippling slowdown, or is it just annoying? Sometimes the level just slows down when there are a lot of things happening in a compacted area. From what it sounds like, you have a large portion of your level moving at one time. I'm not certain, but this may put some extra strain on the PS3, as I assume it would need to recalculate angles, edges, shadows, endpoints, etc.* If this is the case, then there's not much I can suggest other than to try to make the collapse-able area put as little strain on the system as possible (remove as many edges as possible or make objects as simple as possible).

Even though your thermo may have space left, it doesn't necessarily mean that the PS3 is able to handle everything on screen in that one place. Unfortunately, it sounds like an important part of your level (and it sounds epic), so I'm not sure what to suggest.

Have you tried publishing a locked version and playing it from the MM servers? I'm just curious if that has slowdown as well.

*Recently, I was working with a glitch that deboerdave found that allows you to make a "1 million point" point bubble. When the bubble was stationary, all was well, but if I tried to move it, it would cause massive slowdown (because it was essentially 200+ point bubbles in the same location). This may be the case with your collapsing building when it tries to rotate.
2009-08-02 23:08:00

Author:
comphermc
Posts: 5338


Is it a crippling slowdown, or is it just annoying?

It would be pretty much unplayable for more than one person, and with one person it was really annoying. I've spent so much time creating, the last thing I want is the whole level to be mired in choppiness. I can handle some slowdown (my first level has a little), but it was out of hand.

I went ahead and just copied everything over piece-by-piece to a new level since I figure I'm probably screwed. Sure enough, everything seems to be running normally in the new level *knocks on wood*. I'm going to have to spend some time hooking some things back up, but I use so much dark matter that it wasn't as bad as I thought.

Either way, this has happened to me twice and I have no idea what triggers it! From now on, I'm going to make sure I make levels in easily-copyable chunks in case this happens again. I checked old threads and didn't see anything about it so either it's something I'm doing or I have something weird with my copy of the game.

Thanks for the help.
2009-08-03 00:44:00

Author:
phife211
Posts: 62


Awesome, I'm glad it worked out for you. Modular building, for the win! It's never a bad idea cause you just never know. I do it out of habit now, so I don't even have to think about it. Besides, you never know when some weird glitch will knock the whole level out of alignment (which strangely happened to me the other day).

That's so weird, though. 2 for 2 in one of the great LBP mysteries.
2009-08-03 01:32:00

Author:
comphermc
Posts: 5338


I'm not sure if this is the same issue, but I had a problem like this occur when playing Keldur's "Lafarge's Request". Some areas would have very jerky pistons and bolts and connectors, making the whole experience unplayable. Not everyone experienced this though, and it didn't occur all of the time.2009-08-03 02:05:00

Author:
BSprague
Posts: 2325


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