Questions tagged [animation-nodes]

An add-on that provides a node based visual scripting system designed for motion graphics in Blender. This tag should be used when asking about how to use the add-on and not when asking about animating nodes in general.

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0
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1answer
104 views

How do I scale a point cloud from a custom pivot point in AN?

I have a cloud of points and I want to scale them from a custom pivot point? How can this be done with animation nodes.
5
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1answer
306 views

How to Mute Animation Nodes Subprogram

Just wonder whether subprograms can be totally muted in ways other than just deleting it. I ask bacause: For example, I tried to setup a loop in another nodetree, Then disable auto execution for that ...
3
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1answer
1k views

How move polygons along the normals with Animation nodes?

Im new in animation nodes. And maybe it is very easy question but I cant find solution by myself. I`m trying to make transformation animation and I handled with moving vertices on normals but as I ...
2
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1answer
800 views

Random object transform in loop (Animation Nodes)

how can I use AN to transform bunch of objects from one position to another in random order? Right now it looks like this: So all fragments moves at the same time. Greetings!
3
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1answer
235 views

Performance Mode for Animation Nodes Addon

What is this Performance mode used for? And how it can help with performance?
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1answer
312 views

Adding Modifier via Script Node

How to add/remove a modifier to the object(s) via Script node when "Always" is enabled? UPDATE: Just make it finally working with KristofMeirlaen's solution: Code: ...
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1answer
474 views

How to make an animation node particle wiggle?

I wonder if it is possible to have an existing particle setup (keyed) and then use an animation particle node that follows those nodes, but with a wiggle effect. I have been trying particle nodes ...
0
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1answer
177 views

AN: how to get update event from sockets?

I'm trying to understand the many features AN has developed over normal node api and by reading the code I realize that if you need to be notified of a property change with the classical update hooked ...
1
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1answer
227 views

Matter of Sorting element - What is Custom Sort?

I am investigating this Sort node in Animation Nodes. I found it to be confusing especially with Custom sort and Key List. I cannot guess what this is for. Is there a documentation or can anyone help ...
4
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2answers
673 views

Copy AN nodes to another file

Since the last releases of Blender, there is no more the possibility to copy/paste nodes between files (that was hyper-useful). Now the only solutions is to Group/Append Group. But I can't group AN ...
4
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1answer
198 views

Convert animation node result into editable object

Is there a way to convert an animation nodes result into an object? For example, animations nodes are used to generate the face of a clock. I want to convert that result into an object that can ...
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0answers
174 views

Update filepath name during “animation” render

I am using a python script to assign a StringProperty to the render output filepath name. This StringProperty is being animated via Animation Nodes, and as such, on every frame, the string name ...
3
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1answer
796 views

Is it possible to change the order of objects in a group?

Simply put, is it possible to change the order of objects in a group? I would like to change it due to using the Animation Nodes addon effecting objects in an undesired order. In the provided GIF, ...
4
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1answer
2k views

Can object parameters be set from data file?

I would like to do 3D animations. M spheres appear moving around and rotating along N frames (all spheres will appear in every frame). For each sphere at every frame, these values are saved in a ...
7
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1answer
1k views

Import a csv animation path using animation nodes

In this question, the answer shows how to use a script to import a CSV file and setup an animation. Is there a way to do this same thing using animation nodes? For example, this is start on the ...
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1answer
259 views

Parenting Object Instancer into Matrix of Flipping Polygon Faces

It might have been answered but not sure. Anyways: - I setup this Flipping Poly Face, basic one - I made duplicate of Suzanne head and place it on the Center of each Face Need to do parent to each ...
2
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1answer
235 views

What is the simplest way to remove objects from a group inside of an Animation Nodes Node tree?

I am attempting to create an animated particle that is an instance of a group that is created with nodes. I have been able to successfully add instanced objects to a group. While this is working fine, ...
2
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1answer
829 views

How does code execution work in an Animation Nodes node tree?

I need to understand the basic foundations of how the Animation Nodes add-on calculates and executes code. So there is Auto-Execution, then options like Always, Tree Changed, Frame Changed, Property ...
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0answers
118 views

Problem writing custom AN Sockets

I have written a custom AN socket that passes instances of a custom class between custom nodes. The socket works when connecting two nodes (1 output to 1 input). However when connecting an output to ...
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2answers
512 views

Matrix Parenting or Global Transform

Another animation nodes and Matrix related question. I have this setup of circular formation of objects. I use Matrix Combine to set this up, and then I group it. Now, I just want a simple Matrix ...
3
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1answer
429 views

How do I loft lines into a mesh with Animation Nodes?

This is yet again my confusion with Meshing using Animation Nodes. My idea is to duplicate Lines into multiple Lines object, which later I could loft. Apparently this is not yet simple. Maybe possible,...
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1answer
160 views

Animation Nodes: How to unzip a list

While searching for an answer for this question here Exponential replication of object, I came across an issue which I think should be easy to solve, but somehow I'm either blocked or stubborn. I've ...
4
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2answers
314 views

Exponential replication of object

I'm trying to figure out how I can create an array of objects where each instance has an increasing number instances of that starting object. A simple example: 1 cube 2 cubes (to the right and ...
1
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1answer
795 views

Houdini's “explode node” in Animation Nodes

Not sure how to explain the question clearly, but I will give it a try. I wanted to simulate "Explode Node" in Houdini, which basically rather simple and I think in Sverchok I manage to do that, but ...
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0answers
249 views

AN Loop over Group over Loop?

Something that I missed and not understand too well is how the Matrix apply in Animation Nodes, and whether it is similar to Sverhok or not? Kind of want to emulate Array Modifier stacks, using AN. ...
0
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1answer
360 views

AN Grease Pencil Draw

I tried to create Script node that kind of trance paint animated object in the scene. I actually just source copy paste the script from here: Convert Curves to Grease Pencil? As you may already know,...
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1answer
259 views

Expression Node Result in different type?

I am going through the Expression node and thinking of the possibility. While with INPUT, I can keep adding all kind of variables with different type, I am curious about whether OUTPUT RESULT can be ...
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2answers
95 views

Piping Mesh Data back into original

Just wondering about Blender AN workflow. Normally I have original mesh and do something and output as NEW mesh. Wondering, if I actually plugging in whatever process back to original mesh, is this ...
3
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2answers
403 views

Parent NORMAL to Control XYZ Axis of Instances

I have a basic and simple question: How do AN get copy instances to point to follow the normal of original mesh / surface? Would that involve BVH or KDTree? OR Is there also a way that is more ...
2
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1answer
580 views

How do I make animation nodes drive the vertices of my object?

I recently got into animation nodes in Blender, and want to know if I can drive the vertices of an object using sound. I found this example here:https://www.youtube.com/watch?v=PtD5UQE5Xj0 However, ...
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1answer
120 views

How to maintain per-node instance state?

My question is about maintaining per-node instance state without the use of Properties. I though that standard Python instance variables would work, but it looks to me like a different node instance ...
1
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1answer
423 views

Flipping rectangle grid (or flipping tiles) with animation nodes

Dear Blender and Animation Nodes Users I'd like to create a flipping rectangle grid animation with a controller object. I need a tutorial on this, but I am not able to find any, which I deem good or ...
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1answer
853 views

Duplicating Objects with Rigid Body Settings

I am using Animation Nodes' Object Instancer to duplicate an object with Rigid body settings. A far as I can tell, the physics settings are being duplicated on the cloned objects, but the physics ...
2
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1answer
1k views

Instance list of object in animation nodes

I want to know if there is anyway I can make instances of a list of objects.And get a list of the new objects.I just want a single instance no more. I tried using object instancer inside a loop but ...
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1answer
265 views

Loft splines Does not close object,Animation nodes

I have 2 closed curves and I connected them using the Loft splines node, But the resulted mesh have a face missing. How can I close it?
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1answer
236 views

How can I sort a polygon list in AN based on the center distance to some specific point?

I think that the question is self explanatory.
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1answer
213 views

Connect Float output to Float input causes an error

I am playing around with animation nodes, so I have a bunch of instances along a spline. As you see in the working node tree, instances 31.00 and a Math node socket B also set as 31.00. So now you ...
5
votes
1answer
1k views

How to move object in its local transform orientation in Animation nodes?

How can I move an object in its local transform orientation in animation nodes? There is a way using some math with rotation of the object as an input,but I want to know if there is an easier way to ...
2
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2answers
918 views

Starting an animation on the birth of a particle or using animation nodes?

I have a problem with the particle system. Context: I have a cube that emits particles. On another layer, I have 3 objects that change shape over time. I group the 3 objects and use the group in the ...
3
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1answer
2k views

Animation positions and animate along the path - Animation nodes

two questions here. The first: I placed objects in certain positions and would like to introduce new vector positions that would become starting point for these objects and animate them so their ...
2
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2answers
144 views

object instancer animation nodes only work on a clean new blend file?

i don't know if Jacques Lucke is here on blenderstack for help but it seems that i can't make the object instancer node work on top the work i'm currently doing in the picture below, i set the ...
0
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2answers
502 views

Animation Nodes - How do I read the Particle Count with the Object Attribute Output node?

I am currently trying to drive the particle count of various instances of an object (containing a particleSystem) dynamically for each instance. I'm using a loop subprogram with an Object Attribute ...
1
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1answer
473 views

How can I create a random walk animation with animation nodes?

The idea is to have a bunch of objects that are animated given a random vector each 20 frames. Something like this video: https://vimeo.com/75135375 The problem that I´ve found with Animation Nodes ...
1
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1answer
141 views

How to create socket that pass lists of POPO (Plain Old Python Objects)?

I am building custom nodes that operate on messages generated by an external source. I have developed Python classes that encapsulate these messages. I have a Blender addon that gathers a collection ...
4
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1answer
182 views

Comprehension question about “Interpolation from Curve Mapping” node

I do not understand properly the behavior of the "Interpolation from Curve Mapping" node. At all interpolation nodes the output value of the corresponding Evaluate node is "0" at positon "0" and "1" ...
10
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3answers
2k views

Creating a Liquid Bubble Effect

I saw some really cool 3d work here, and I want to know how to recreate this. What I want in the answer: How the particle system works (or model) How to color the layers (the blue, red, and orange)...
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3answers
221 views

Reloading Animation Nodes (node development workflow)

I am developing some custom nodes and have a question about the development lifecycle. Can I reload AN classes without restarting Blender? Or, do I need to reload blender after each change to the ...
2
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1answer
332 views

Music visualization is not working in animation nodes

I am creating a music visualizer using animation nodes. The music visualizer do the same as the music visualizer of animation nodes (templates) but it has an extra motion (bending) I did by a loop,...
1
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1answer
102 views

Use Filebrowser in a node for the Animation-Nodes-Addon

I am working on a new node for myself for the Animation nodes Addon. I need to open a File-Browser via that node, similar with what happens in the "Bake Sound"-Node. I looked at the code and have ...
0
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1answer
164 views

Is it possible to create a particle tracer inside Animation Nodes?

I´ve made some attempts with loops but the biggest problem that I´ve found it´s to create incremental lists. To say, lists that add a new element on each frame. Other thing could help could be also a ...