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#1

How to make a moving box not sinking down?

Archive: 9 posts


Hi,
ok i have made a box that moves horizontally through the air.

-Antigravity on that box is set to 100%.
-Air resistance (or what its called) is set to 90%, so the box doesnt sink down.

Now when i connect a grabable box with a rope to it, the whole box starts to sink down.

-the Grabable box has no antigravity, but when i put one on it, and put its Antigrav or "Air-Resistance" to 100/90
the box still sinks and the grabbing box floats to the right (because of the speed) and i want it to hang simply under the moving box. How?

I found out that everything that floats and moves in the air will sink down with time, no matter if the Antigrav Value is on 100.
This will cause my layout to glitch after time, if it cant be workarounded.

Anybody knows if thats normal?
If i put something on antigrav 100, it should stay in the air forever, even if it moves, not?
2012-02-09 00:26:00

Author:
Unknown User


LBP physics are just that.. a bit made out of cloth or something. lol

Offhand, one way might be to go a bit old school and use a stiff piston with very little resistance. This should keep something moving horizontally and not go down, that is if what it is attached to that doesn't move is quite large. The piston range would still have to be set, but set at little or no resistance, it should allow the box to move via the mover.
2012-02-09 02:31:00

Author:
jwwphotos
Posts: 11383


thats impossible cause the boxes get emitted.....ugrgh2012-02-09 02:45:00

Author:
Unknown User


it may not be obvious, but i believe a string connector has weight if it's not attached on one end, which is what's causing your object to slowly sink. It's a little invisible square, and supposing you could get an anti grav chip on it as well, it's probably not what you want as the pendulum physics go away.

the air resistance slows down the movement of an object in any direction, not specifically downwards movement, so i would get rid of it. If you want to prevent horizontal movement without a ground or some kind of connector, you're gonna have to be a bit creative. The follower, set to disallow vertical movement, will only let the object move horizontally. A simple mover, set to 100% deceleration will ignore gravity and keep going in the direction you set it to. You could also set a mover with small upwards movement to counterbalance the weight of the string

edit: a piston could work even if you need it emitted. just attach one end to some dark matter and capture the set.
2012-02-09 04:55:00

Author:
Unknown User


Hi,
ok i have made a box that moves horizontally through the air.

-Antigravity on that box is set to 100%.
-Air resistance (or what its called) is set to 90%, so the box doesnt sink down.

Now when i connect a grabable box with a rope to it, the whole box starts to sink down.

-the Grabable box has no antigravity, but when i put one on it, and put its Antigrav or "Air-Resistance" to 100/90
the box still sinks and the grabbing box floats to the right (because of the speed) and i want it to hang simply under the moving box. How?

Hi, try the following:

Put a small piece of (invisible) hologram material in front of the middle of your box (not attached!) and put a micro chip on it. On this chip configure the moving, the platform should do. Also put a tag on it.

Now place a second microchip on the platform, directly under the first one on the holo material. On this chip, you put a follower (following the tag on your first chip) and a gyroscope to prevent "wobbling". Give the follower a high speed value.

The platform will always follow the movement of the piece of hologramm material - which has no gravity! You won't even need an antigravity on the box itself!

You can also let the platform follow multiple waypoints using a sequencer with multiple followers on the holo material and a bunch of different tags as waypoints and there is no problem with emitting moving platforms built this way
2012-02-09 09:27:00

Author:
Unknown User


Once an object contains a basic or advanced mover - or followers - (given they are set to 100% acc/dec) it no longer answers to gravity, even if set to 0 speed. A pulling force may still be able to sway its trajectory, but you can stack these movers to make the effect stronger. You said your box is moving, so I was assuming you are already using a mover. I guess you haven't yet, have you?2012-02-09 13:42:00

Author:
Antikris
Posts: 1340


Hi there.This shouldnt happen. The in-game physics ARE solid. So check the way everything is setup. Its easy to overlook something obvious.

Ok first a way to get it to work solidly is- Select your material that you want and make your 'hanging block' out of it (say 4x4). On thi place an antigrav and tweak it so that the Dampening is set to 100% (this means that it wont be affected by gravity at all) and and floats in the air.

I think what was going wrong with your setup was the dampening set to 90% because there is still a degree of 'falling' movement.
ON an Antigrav, the Antigravity setting determins how much it rises up into the air, whereas the dampening determins how much it falls (100% being not at all).
If a sackboy grabs onto an object with an antigrav setting of dampening 90%, it will be affected by the pull of the sackboy as its not truely 'locked' into floating.
Also you said you attached a block to the block with the antigrav on it ? As the dampening is 90 on either antigrav, the weight of the material still takes some affect, so if the object is made of say, stone, it will still fall a percengtage by gravity.
Hope this helps my friend.
2012-02-09 15:42:00

Author:
Sean88
Posts: 662


Anti-grav set to 100 will make the box hang in midair. No other tweaks needed.

You didnt say this but im going to take a shot in the dark and assume that you still have your box moving to the right while the other box is hanging with anti-grav.
That means when the box moves its going to drag the hanging box, causing resistance, causing the moving box to fall. If thats your problem you're going to need to put mover on the hanging box.
2012-02-09 18:13:00

Author:
Bremnen
Posts: 1800


Method

1. Put a follower on the moving box (and a gyroscope if you want it to not spin)
2. Put a piece of holo with a tag and a mover behind it.
3. Set the follower on the box to 100% acceleration and 100 speed
4. Set the follower to follow the tag on the holo

Result:

Box will follow the holo without sinking. As the holo moves so will the box. If you are emitting capture both together.
2012-02-09 18:51:00

Author:
ForgottenEnigma
Posts: 1414


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