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Creator Tips

Archive: 2 posts


Hello,

This is a hub for all Creator Tips, written by yours truly or by anyone else. Mods are free to edit this original post in case there's a Creator Tip I haven't added here. The basic idea is to gather all the tips here in this thread with links to the appropriate discussions. Please refrain from discussing specific tips in this thread. Use the proper thread for specific tip discussions. A link is provided to the discussion regarding each tip. In this thread you can ask about the Creator, request tips or point to tips that have been posted or are available elsewhere.

Currently, I believe there's only one tip posted, but as more come along, I'll add them to this thread with the proper links.



Creator Tips
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Understanding Thin Layers -- Posted by Linque
'Understanding Thin Layers' Discussion Thread (https://lbpcentral.lbp-hub.com/index.php?t=t=3823)

I've been receiving a lot of questions about the 'magical platforms', specifically about how to connect the platform to an object behind a wall. It has to do with thin layers and how thin objects collide with other objects in game. I'll write a short explanation how the system works here.

I'll define the layers so everyone knows what we're talking about. Let's call the three thick playable layers A, B and C. C is the closest one to the screen, A is the closest one to the background. We'll call the thin layers xA, AB, BC and Cx, based on between which two thick layers they exist. So xA is the background layer, Cx the foreground layer and AB and BC the two thin layers between the thick ones. Here's a diagram of all the layers to make it easier to understand:

--- = Thin layer
OO = Thick layer

--- xA
OO A
--- AB
OO B
--- BC
OO C
--- Cx


We can make objects with different thickness values: 0, 1 2 and 3. Thickness value 0 is called thin, and can exist only on one of the four thin layers (xA AB BC or Cx). Values 1 2 and 3 tell us how many of the thick layers the objects exists on. There is one very important thing to take not of here: Objects with a thickness value of 2 also exist on the thin layer between the two thick layers. Objects with a thickness value of 3 exists on both of the middle thin layers, AB and BC (but never on xA or Cx). Another important thing to understand is that an object only collides with objects that exist on at least one same layer.

I'll give you some examples to demonstrate how this works. Let's have a square block, thickness 1, on layer A, and another identical block on layer B. Neither of these blocks exist on layer AB, therefore if we make a thin slice of wood on layer AB and drop it on top of the two square blocks, it's going to fall right through them, through the 'crack'. Now, here's another important observation you need to make: the thin slice of wood falls through the crack regardless of whether the other blocks are glued together or not. Gluing components to each other never changes the layers the components exist in. Now, let's have the same square block, this time with a thickness of 2, existing in both layers A and B. As I said before, thicker objects also exist on the thin layers, so this object actually exists on layer A, AB and B. This means that if we now make a thin slice of wood in the layer AB and drop it on top of this object, it's going to collide with it and stack on top of the thick square block, not fall through as it mysteriously did before.

The point here is, that having three objects glued together on layers A B and C is not the same thing as having one object with a thickness of 3. This phenomenom can be used to do all sorts of tricks, from hiding mechanics behind walls and making objects go through walls.


I'll add pictures later to make this easier to read and comprehend.
--------------------------------------------
2008-10-29 17:52:00

Author:
Linque
Posts: 607


Any Creator who has specific tips can create a thread for them and we will add them to this thread, as Linque said please do not use this thread for general tips discussions use the thread for that tip to discuss it more in depth.

Closed until we receive more tips from Creators.
2008-10-29 18:32:00

Author:
QuozL
Posts: 921


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