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#1

Making an object a center of gravity for a certain area?

Archive: 14 posts


I'm messing with the concept of having a level of different floating islands and planetoids to jump to, each with their own center of gravity for Sackboy(Think Mario Galaxy or Avatar). In other words, he should be able to run along all sides of each platform, upside down and sideways, since they would each have their own center of gravity.

I wasn't sure if this was possible until I saw the video in this topic:
https://lbpcentral.lbp-hub.com/index.php?t=37997-New-scoreboard-and-gravity-center&highlight=center+gravity

Now I'm trying to figure out how to put together what the user in that topic said: A combination of a mover and some sort of rotator on the object. Would a microchip on each object be necessary, and what would the settings for each gadget need to be?
2011-02-03 00:06:00

Author:
Behonkiss
Posts: 229


put followers and anti gravity tweaks on all of the objects you want to be affected and tags where you want the center of gravity to be.2011-02-03 00:09:00

Author:
slidedrum
Posts: 189


put followers and anti gravity tweaks on all of the objects you want to be affected and tags where you want the center of gravity to be.

I tried putting the follower and anti-gravity in a microchip on a round rock and put a tag to follow on the center, but it doesn't seem to have changed anything. Any settings in particular that should be tweaked within them?
2011-02-03 00:36:00

Author:
Behonkiss
Posts: 229


anti gravity should be set to 100% and dampening to 0% and be sure that the radius of the follower is big enough. also you may want to mess with the speed and strength of the follower.2011-02-03 01:07:00

Author:
slidedrum
Posts: 189


Just an idea, maybe play around with camera angles? Could give the effect that the player is running upside down, on on the side of the object, but its just a rotating camera set on local space. Just an idea 2011-02-03 15:29:00

Author:
tom230889
Posts: 117


Still can't get it to work, so I thought I'd show some more detailed info in case someone can point something out.

http://img138.imageshack.us/img138/5739/aphoto4c.jpg
The rock has a microchip with an anti-gravity tweaker and a follower, both unconnected to anything. The tag for the follower to sense is right above the chip, and the tag sensor on the chip has since been removed since I don't think it did anything the follower didn't.

Anti-Gravity Tweaker
Anti-Gravity: 0%
Dampening: 100%
Zero Buoyancy: 100%
Input Action: On/Off

Follower
Speed: 1.0
Up/Down: Yes
In/Out: Yes
Flee Rather Than Follow: Yes
Strength: 100%
Input Action: On/Off

Another thing is that I have a small rock in the background that I want to have floating and spinning slowly in place. I've got anti-gravity working fine on it, but I can't get it to spin, even though I've got a motor bolt on it. Is there something else I need to do there?
2011-02-03 15:48:00

Author:
Behonkiss
Posts: 229


I think you have it backwards. The follower tag should be on the rock and the follower should be on whatever you want to move towards the tag (center of gravity). Also, the rock doesn't need anti-gravity since you can just lock it into the air using a piece of dark or light matter. It's the things that are to run around the rock that need anti-gravity.2011-02-03 16:47:00

Author:
Shanghaidilly
Posts: 153


I think you have it backwards. The follower tag should be on the rock and the follower should be on whatever you want to move towards the tag (center of gravity). Also, the rock doesn't need anti-gravity since you can just lock it into the air using a piece of dark or light matter. It's the things that are to run around the rock that need anti-gravity.

What if it's the player's Sackboy I want to move towards the tag when they're within range? Or is that just not possible?
2011-02-03 17:17:00

Author:
Behonkiss
Posts: 229


if you make them a sackbot then yes it is. but i have no idea what it will look like, i have not goten to try this yet.2011-02-03 19:35:00

Author:
slidedrum
Posts: 189


What if it's the player's Sackboy I want to move towards the tag when they're within range? Or is that just not possible?

I haven't done it yet, but I have read where others are doing it. However, it's not really their sackboy, it's a remotely controlled sackbot and I've read that you can make the sackbot look exactly like the sackboy that's controlling it.

Anyone else done this?
2011-02-03 22:03:00

Author:
Shanghaidilly
Posts: 153


the problem with this is it seems that doesnt sackboy always have his feet facing downwards? the only way i can think of myself is maybe messing with the camera angles and moving the level around sackboy or something. bah what do i know lol. im always getting amazed with what people do in lbp so please figure it out 2011-02-03 22:16:00

Author:
RedSoakedSponge
Posts: 52


If you put a mover inside a sackbot which moves the sackbot into the ceiling or wall, it will stand against it, and you can walk across the surface. I presume the same goes for followers.

One observation...

Anti-Gravity Tweaker
Anti-Gravity: 0%
Dampening: 100%

... that 100% Dampening will make it unable to move, as if it was stuck to Dark Matter. You want Anti-Gravity at 100% and Dampening at 0%.

By the way, I like the concept. I'm interested to see how this turns out.
2011-02-04 00:42:00

Author:
Rogar
Posts: 2284


Also, try using a look at rotator on a sackbot. Send a friend request to Rabid-Kitty on PSN and I think I can help .
The look at rotator needs to be facing towards the sackbots feet. Then it needs to be set to look at a tag in the center of the planet.
If you hook up two toggle switches a certain way, (I can show you on PSN.) You could use a timer and a follower set to flee to make him jump.
If/When you send me a friend request, could you make sure you specify who it is? I have bad memory when it comes to names.
2011-02-04 03:20:00

Author:
Green-Tomato
Posts: 140


Oh and I forgot to add; If you use multiple proximity sensors/anti-gravity tweakers, you could simulate gravity by making it pull harder the closer you get to the planet.2011-02-04 03:22:00

Author:
Green-Tomato
Posts: 140


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