Questions tagged [hierarchy]

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matrices and nesting hierarchy with game objects

Let's say we have some game objects and they are nested to form a tree: - A - B - C - D If each of those have a matrix for the scale, rotation and ...
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1answer
159 views

What does the Node2D transform property do?

Following a Godot tutorial I encountered the transform property, but I'm not sure what it means nor how to use it. I read the official Godot documentation, but it ...
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1answer
25 views

How can I apply UV mapping in parent space?

I'm trying to apply UV mapping in parent space - ie. taking into account the object's own transformation matrix but no matrices further up the transformation hierarchy. For example, I'd want to be ...
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2answers
35 views

How to access specific child indices (directly, not using tags or searches)?

I have a game object whose prefab is structured a very specific way. It is a conveyor belt. I intend to arrange them end-to-end and animate them all at once using a script. Right now I am trying to ...
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0answers
20 views

LOD For Large Complex Mesh (and Blender)

I've done some pretty thorough digging and I can't seem to find any info on what I'm looking for. I'm really hoping that doesn't mean it isn't possible... so if anyone can provide me with any insight ...
-1
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1answer
2k views

Looping through children in a foreach loop

I have a gameobject with a bunch of empty gameobjects as children that I want to use as spawn positions. I want to loop through each of these positions and have a certain amount of probability that ...
3
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0answers
140 views

ASSIMP - Hierarchy Import

I'm, trying to wrap my head around assimp to import some files, including fbx/obj etc. Normally my experience tells me that I start at root node and then recursively load child nodes until I load the ...
1
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1answer
103 views

Efficiently calculate 2d world position based on parent(s) recursively

I am writing a small 2d html5 game engine in javascript that relies on the concept of a hierarchy. The scene is the root node or entity, and its children make up the game objects. These children can ...
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2answers
168 views

Is it more efficient to add scripts to each GameObject or to a single parent object?

Does a C# script added to a parent object work more efficiently and effectively (in terms of both memory and performance) on all objects, in my case lighting, or adding script components to each ...
1
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1answer
134 views

Add picture in the Hierarchy view in Unity

How can I add a picture in the Hierarchy view in Unity? For example, Dragon bones does it automatically. Here it is : As you can see there is a picture on the right of the gameObject name.
1
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1answer
334 views

LIBGDX - group as child of an actor?

I've looked in forums, the doc, and the code, and I'm thinking this isn't currently possible, but maybe I'm missing something, so just to be sure: is there a way to set a group as child of and actor? ...
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1answer
489 views

Unity, Detect the last GameObject in the hierarchy of a given list of GameObjects

I have a list of GameObject , and I need to know which one is the last in the hierarchy ( This is for a UI system, So is kind of 'which one is showing up') I have a cursor managed by GamePad , and I ...
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1answer
121 views

Supporting uniform/non-uniform scale in hierarchical animation

I have worked with hierarchical blended animation systems for a number of years, but I have never been quite sure how to handle scale correctly. The introduction of non-uniform scale is additionally ...