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#1

How to 'ghost' objects for 3D backgrounds

Archive: 11 posts


Introduction

I originally discovered this glitch (https://lbpcentral.lbp-hub.com/index.php?t=12144-Glitch-Ghost-materials&p=255302&viewfull=1) ages ago, before the wonders of the 3D layer glitch were exploited. Back then, this glitch didn't really have any use, and the original method for ghosting objects has since been patched by Mm.

Now I've found a way to reproduce the glitch, and 'ghosted' objects can be put to good use. Since the background layers of the 3D layer glitch share the physical properties of the back thin layer, it was previously impossible for dynamic and static objects to share the same space. since 'ghosting' an object removes the physical properties, background objects no longer have to fight for the same space, which, in theory, should make things smoother than just sticking background objects to dark matter.

Take a look at my level 'Moving Things In The 3D Layers (TECH DEMO)' by @SeparateEntity for a simple example of this technique being used (the far background and foreground are ghosted).


Method:

Step 1:
http://www.lbpcentral.com/forums/attachment.php?attachmentid=27890
Place a square of dark matter. It should be as thick as the object you're ghosting.

Step 2:
http://www.lbpcentral.com/forums/attachment.php?attachmentid=27887
Place a slightly bigger piece of dissolve material to the right of the dark matter. It should overlap, making the dark matter smaller.

Step 3:
http://www.lbpcentral.com/forums/attachment.php?attachmentid=27888
Place the object you want to 'ghost' into the dissolve material.

Step 4:
http://www.lbpcentral.com/forums/attachment.php?attachmentid=27891
Place the object into the background. Check out Teebonesy's Layer Glitch FAQ ('https://lbpcentral.lbp-hub.com/index.php?t=18254-Layer-Glitch-FAQ-Get-the-most-out-of-your-custom-backgrounds-foregrounds&p=323079#post323079&apos for the method of doing this.

Step 5:
http://www.lbpcentral.com/forums/attachment.php?attachmentid=27889
http://www.lbpcentral.com/forums/attachment.php?attachmentid=27892
Using the corner editing tool, select the dark matter, and move one corner to the opposite corner. If done successfully, you'll hear a 'whoosh' sound.If you end up with a triangle, rewind and try again. After you have done this, you'll be unable to move the ghosted object, and you may not be able to select it

Step 6:
http://www.lbpcentral.com/forums/attachment.php?attachmentid=27886
If done successfully, when unpaused, the dissolve material will fall, and the ghosted object will be suspended in the air. You can now delete the dissolve material.


Rules:
-Only objects that have been glued together can be ghosted. No bolts, unfortunately.
-Ghosted objects can't be dynamic. Dynamic objects can appear in front of ghosts, however.
-You cannot capture / emit ghosted objects. Remember, once they've been placed they cannot be moved, and may not be selectable/deletable
2010-12-06 02:32:00

Author:
Entity
Posts: 274


So it's like making an object float without dark-matter?
Cool! Thanks for sharing
2010-12-06 03:39:00

Author:
iKyle94
Posts: 60


Does it take any of the thermo?2010-12-06 05:18:00

Author:
Eronninja13
Posts: 637


So it's like making an object float without dark-matter?
Cool! Thanks for sharing

It's better than that. It completely removes the object's physical properties, including collision. You can have other objects pass right through it like it's not even there. This is especially helpful because everything you put in the background layers is treated like it's part of the back thin layer and will collide with anything in that layer. Using this trick, you can have intricate backgrounds and still use your back thin layer for moving objects, or you can have moving objects in one background layer that don't collide with static objects in other background layers.

Somebody told me how to do this ages ago, but before he'd tell me, he made me promise not to reveal it (so that Mm wouldn't patch it). It's driven me crazy not being able to say anything, so I'm glad it's been rediscovered and released by somebody else.
2010-12-06 08:51:00

Author:
Sehven
Posts: 2188


i can confirm this works in LBP2 Beta. BUT if the dissolve is deleted the object will go back to normal. BUT. If you can select it, you can copy the object and place a new one. The new object will remained ghosted without the dissolve attached to it. Very useful indeed. I can add a background in one of my cut scenes now.

EDIT: Movers don't work on it. I had hope though!

Word to the wise... Don't try corner cutting the ghosted object... (Froze my LBP2 Beta client)
2010-12-06 14:08:00

Author:
PPp_Killer
Posts: 449


you can copy the object and place a new one. The new object will remained ghosted

Interesting. The technique I had used was somewhat different but yielded basically the same results. In lbp1, if you duplicated the object, it would become physical again. I wonder if you're doing something different from what I was doing or if it's changed in the beta.

I haven't tested this idea (the technique I used didn't use the dissolve piece), but I would think you could simply trigger the dissolve and it would be fine.
2010-12-06 17:14:00

Author:
Sehven
Posts: 2188


Oh brilliant ive been looking for something that could achieve this, but without any luck until now.
BTW sehven or rauland - how do you move objects into the bg in lbp2? so far i havent been able to use adi's method because i cant capture objects in the foreground please help
2010-12-06 17:30:00

Author:
Skalio-
Posts: 920


FIDDLE STICKS. My post gone... I somehow hit refresh...


Oh brilliant ive been looking for something that could achieve this, but without any luck until now.
BTW sehven or rauland - how do you move objects into the bg in lbp2? so far i havent been able to use adi's method because i cant capture objects in the foreground please help

Adi's method works for me, any exact reason why you can't capture foreground objects? It's vastly speeder too as the capture on the emitter cuts out accessing the goodies bag (which took me forever to scroll down to find the object I want to emit).

Discovery time! This glitch outcome is the same in LBP2. But still works differently. As far as I can tell (tested in the LBP2 beta, not LBP1) you can use any material instead of the dark matter and the dissolve. It's the corner cutting of the dark matter made in step one that renders the object ghosted.

This is where the differences comes in handy. Like I mentioned in my above post, when you do the corner cutter part of the dark matter (step 5), the dissolve hangs on and is effectively ghosted as well, in LBP1 the dissolve should fall off. This is the gold though. If you deattach and delete the dissolve the object becomes unghosted. Meaning you can move the object to the right place if you make a mistake. Do steps 1 to 2 (mentioned in the original post) and copy the object you want ghosted (again or not) and place it into the dissolve and do step 5. Now you got big ugly dissolve material attached to your lovely ghosted background piece? No need to try and hide it with decorations or a thin piece. Like I said you can change the material from dissolve to hologram and set the brightness to 05. If you want to unghosted the object simply get rid of the hologram!

Problems and solutions:

Problem 1. Emitter object Linking: For some god knows reason capturing objects together seem to link them up. Meaning if you delete the foreground block it deletes the whole thing!

Solution: You can either create your object in the background or if you still want to emit the object into the background, create a 'Instance kill microchip' and place it onto the the foreground block and to get rid off it. To make a instance kill microchip, place the following onto the a microchip while in pause mode, Battery (or timer, 0.1 ) connected to a destroyer.

Problem 2. Emitter object Linking (again) : Emitter linking also seems to get rid of the ability the corner cut any part of
what is emitted. So you can't cut the dark matter to turn the object ghosted.

Solution: Skip sets 1 to 2. And emit the chosen object right into the background. Copy the background object, (without placing the object or leaving the pop it) and go back to the goodies and do steps 1 to 2 in the background. Now copy the object you want ghosted and place it so it cuts into the dissolve (step 3). Move the object where ever you want it (using gird). And cut the dark matter using the corner cutter shown in step 5. Change the dissolve to hologram and done! If you want to unghost it. Simply remove the hologram or dissolve.

Same rules apply. Movers do not work. Can't be captured. (But you can capture the object before cutting the dark matter)

I hope this makes senses! I'll like if someone can do a neatly, easy to follow write up of what I said!
And I hope Mm does not... "Patch this"... we need this.
2010-12-07 04:27:00

Author:
PPp_Killer
Posts: 449


This is where the differences comes in handy. Like I mentioned in my above post, when you do the corner cutter part of the dark matter (step 5), the dissolve hangs on and is effectively ghosted as well, in LBP1 the dissolve should fall off. This is the gold though. If you deattach and delete the dissolve the object becomes unghosted. Meaning you can move the object to the right place if you make a mistake. Do steps 1 to 2 (mentioned in the original post) and copy the object you want ghosted (again or not) and place it into the dissolve and do step 5. Now you got big ugly dissolve material attached to your lovely ghosted background piece? No need to try and hide it with decorations or a thin piece. Like I said you can change the material from dissolve to hologram and set the brightness to 05. If you want to unghosted the object simply get rid of the hologram!


Hang on, so the dissolve becomes ghosted as well? I think that the LBP2 beta has bought back the old method of ghosting objects (which I linked in the OP)
Can somebody try to glue a square of dark matter straight to an object, then corner cut the DM square, to see if that ghosts the object? I don't have LBP2 beta access.
2010-12-07 13:55:00

Author:
Entity
Posts: 274


Can somebody try to glue a square of dark matter straight to an object, then corner cut the DM square, to see if that ghosts the object? I don't have LBP2 beta access.

Yep. The dissolve is basically redundant in LBP2. Once 'ghosted' the object can be selected, but not box-selected or captured, and can only be moved in the Z-axis, or deleted.

Question is, is anyone gonna report this as a bug?
2010-12-07 14:20:00

Author:
Aya042
Posts: 2870


Yep. The dissolve is basically redundant in LBP2. Once 'ghosted' the object can be selected, but not box-selected or captured, and can only be moved in the Z-axis, or deleted.

Question is, is anyone gonna report this as a bug?

As long as ghosted objects remain selectable and deletable in LBP2, it shouldn't cause too many problems with people accidentally recreating the glitch. I hope it isn't patched, because the LBP2 method of ghosting is a lot more intuitive.
2010-12-07 18:42:00

Author:
Entity
Posts: 274


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