Questions tagged [animation-nodes]

An add-on that provides a node based visual scripting system designed for motion graphics in Blender.

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75 views

get Bisector for each point in a line

From a mesh which contains only vertices and edges, I need to find the bisector vector (or angle) between the two edges that collide in each vertex. How can this be done using animation nodes? EDIT ...
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2answers
239 views

create gaps between spline points with animation nodes

Following this answer curve intersection with volume in animation nodes, I've managed to create a spline which i use to distribute objects inside a volume. Here is how: But I still need to avoid ...
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1answer
157 views

Is there a way of setting vertex colors per mesh in an object output node?

I have a node tree that generates random vertex colors per object that I have instanced onto a particle system. I have the effect working but have to bake it down to a single mesh and I'm trying to ...
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2answers
429 views

Animation Nodes: Simple Grid Mesh not working

What's wrong with the following nodes setup? Why doesn't it create copies of Suzane?
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1answer
153 views

Animation Nodes : how can I switch between different setups?

Is it possible to work on several animation nodes NodeTrees and to switch between them / select the active one ? I see AN generates a "Animation Nodes Object Container" object. Is the nodetree ...
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2answers
539 views

Random objects to grid (Animation Nodes)

http://prntscr.com/ixcbym How to assign, for some points of grid one object from group 'sec'. And for other points, other objects from the same group?
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1answer
138 views

Keep all Animations Nodes instances in one layer

I'm making a simple animation with AN but for compositing reasons I need to keep all instances of an object in the layer 1 and the rest of my objects in layer 2.
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1answer
301 views

Reverse explosion with voxels

What I have: an array of vertices obtained through a simple Sverchok node that states the position of each voxel(many thousands of them). What I would like to do is to create a reverse explosion ...
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2answers
450 views

How can I make a sound wave effect on a “wall” of cubes through animation nodes?

I want to make an effect of a wall of hexagons (just cubes) move in and out at different points simultaneously, almost like if it had an ocean modifier, or could textrue displacement on a plane, but i ...
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1answer
354 views

Transformation Constraint with Animation nodes?

Is it possible to do Transformation Constraints with Animation Nodes? I would like control an object rotation over another object location/translation.
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2answers
1k views

Switch a light on/off with animation nodes

I would like to switch on a point light (increase the emission strength from 0 to 100). Then turn it off again after a number of frames. I would like to realize this with animation nodes. Is that ...
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1answer
209 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 ...
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1answer
145 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 ...
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1answer
216 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
384 views

index number by vertices? in animation nodes.. is it possible?

any way to give at this node a not unique index? I mean.. can't figure out how to assign to It more than a value.. I'd like to align group's objects to vertexes of a grid. It actually works if using ...
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1answer
152 views

How can I compare normals in AN with python

I am trying to create a script that assigns a differente rotation to polys according to their normals but I can´t figure out how to do it. This is my script so far. ...
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1answer
53 views

How to pass arbitrary floating-point data from Animation Nodes into a shader?

I want to pass arbitrary floating-point data from Animation Nodes into a shader. I have found the Set Vertex Color node, but I have two problems with this method. The first is that the values are ...
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1answer
159 views

Animation Nodes extra nodes Morph between two objects with particles

What would the setup look like to morph or get particles to form the shape of a mesh from another. Is it possible with the extra nodes that 3D Singh VFX has created.
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1answer
85 views

Using Animation Nodes with the expression node with equation starting with x(n+1)=

I'm trying to animate the variables for various strange attractors using animation nodes and it's expression node. The equation I'm trying to animate. I can create the equations and animate the <...
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2answers
71 views

how to make a field of shakiness

Is there a way to make a 3d space of shakiness( or any kind of effect), that if an object passed by it or stay in it can be affected and when the object goes away of it that effect ends? Thanks, guys ...
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1answer
101 views

Matrix Math Example

I have other more general questions about matrices and how/why we use them in Blender / AN but first can anyone please explain why in the example the object doesn't seem to have been translated by 3? ...
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1answer
61 views

Ranining Cubes to form shape

This is the .blend file I'm working with I created this model with a processing sketch that translated colors into volumes. Now I'd like to have a rain of cubes, having the cubes to land in their ...
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1answer
136 views

Making trails in a curve mesh created by the Animation Nodes add-on

I've asked the question before in here: Creating trails using Animation Nodes by delaying the frame of the following polygons . This was for making trails, but for objects only. I realized I want to ...
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1answer
135 views

Transfer data between nodetrees in Animation Nodes

I'd like to split one network into subprocess' and assign them to specific Nodetrees. General idea is to have Custom Execution Trigger on every subprocess to ...
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1answer
212 views

Bake Animation Nodes text animation

Is it possible to bake an Animation Nodes animation that uses Trim Text and Text Object Output nodes? I've been following this tutorial to create a typewriter text animation effect. I eventually ...
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1answer
400 views

Use a collection as object inputs in Animation nodes

i;m trying to use animation nodes for the first time. I've made a sub program which does what it's supposed to (scale objects up as a sweeper object goes past them in the X axis) , but How can i make ...
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2answers
76 views

Combine all Lists from nested Subprogramm [Animation Nodes]

I got two lists from other calculations, one with a count (ex.: 6, 11, 16, 19, 20) and a seconed list witch gives me degrees as a step with wich i want to instance objects around a circle (60 , 32.7, ...
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1answer
56 views

How to see polygon's local axis in Animation Nodes?

Sometimes it is very handy to visualize local axis to debug polygons' rotation (like 3D Viewer for location of points). Is there any default solution for this task? This is an ...
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1answer
125 views

Is it possible to create a mesh between two different objects that has single edge via Animation Nodes?

I'm not really that good at animation nodes, but want to know if it is possible to create a mesh or fill a plane between two edges. I was planning to make a trail using animation nodes, so I have this:...
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1answer
115 views

Save value on first occurrence in Animation Nodes

In this setup Random number defines Y position of Empty, which is shrinkwrapped-constrained to "Array of stairs". I'd like to save Z value (orange circle) in memory, when the first positive number ...
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1answer
109 views

Problem with Curve Modifier in Animation Nodes

I instance a curve on the vertexes of a circle mesh. I create a plane with a curve modifier and instance it. I loop through the curve and plane instances, assigning each plane a curve to the modifiers[...
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1answer
162 views

Animation Nodes - Object ID keys - Additional influence for a selected objects?

again, I am still battling with Object ID keys (OIk). And this time I am trying to mask out or add an additional motion to the selected group of bojects from an already animated matrix. I am using ...
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1answer
86 views

How to make different objects follow and bend with different curves with AN? [closed]

how to make each lines to follow each curves as my pic shows?
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1answer
69 views

Animation of series of rotations

I have many lists of rotation matrices for one object. The lists have different lengths. For each list I would like to obtain an animation where the rotations are performed one after the other in the ...
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1answer
303 views

Animation nodes bake to keyframes not working with polygon decomposed offsets

I have encountered problem baking my animation nodes to keyframes. I use polygon decomposition with offsets and they work perfectly fine. Whenever I try to bake to keyframes, everything but this gets ...
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1answer
129 views

Animation node get particle system points around a radius

I'm trying to recreate an effect similar to this one: As far my result: My workflow is to create a spline using a particle system. The problem is that I want to use just points inside a radius i.e. ...
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1answer
169 views

Animation nodes - animate object attribute/transform with Object ID Key and Sound Evaluation

I have followed several tutorials using the ID Key function in Animation Nodes to change the size of the objects. I'm trying to set up the nodes so I can use the spectrum from a sound clip to animate ...
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1answer
101 views

Is there way to access animation-nodes attribute in object-material with OSL script?

In this example, I have assigned a velocity attribute with animation nodes and then trying to access the velocity attribute with OSL script in object-material. But it is not working, why ???
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1answer
131 views

Can you use vertex Weight as falloff?

My question is how I could use vertex paint as falloff. My goal is to make something just like with a object falloff but when the object falloff is gone over a polygon it must stay "disappeared". I ...
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1answer
73 views

What are the advantages of using matrices over matrices for translations

In Animation Node, there are many ways to control an object's location. The most commonly used ways are using vectors and matrices. Anyway, I do not understand clearly how one might be more ...
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1answer
417 views

Animation Nodes - Offset object location

I'm trying to Offset the location of grouped objects with a falloff object. I cannot use an instancer because in the final project all the objects are different. Here is the basic setup : an empty ...
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1answer
210 views

Animation Nodes - Extract single object from group to perform independent translations

I have a simple setup that uses "Objects from Group" to then do some falloff translations on the group. I need to isolate a specific object in that group to perform an independent translation on it ...
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1answer
100 views

Is there a way to address the shrink / fatten / radius values of individual vertices on a curve with animation nodes?

I want to drive the fatness / thickness / radius of parts of a curve using a sound source and can't see a way to address the individual points / vertices in animation nodes... I thought that I could ...
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1answer
151 views

Nesting loops - passing index

another misunderstanding I'm encountering is this - I'm trying to pass a list of the index inside a loop into another loop so I can travel through a long list - I've made a small demo of the problem I'...
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1answer
318 views

Offset Animation (Animation Nodes 2.0)

Shift animation. How to copy an animation from one object to another, and make a shift for each animation?
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1answer
218 views

animation nodes random color setup not working

I am trying to replicate the effect of random colors from this setup using set vertex color node: but my setup is not working, it just changes the color of the original object:
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1answer
348 views

Use all Objects in a Group as Object input (Animation Nodes)

I am using a node tree that takes an input object, and generates a new object based on data from it (see here for the exact use case). I want to apply the effects of this node tree to more objects ...
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1answer
218 views

AN Loft Splines not observing vertex hooks

I posted this to Blender Bug Report but they said it was in the wrong place so I thought I'd try here. https://developer.blender.org/T53998 I see now from their comment it's actually from Jacques ...
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3answers
283 views

How to transfer scale direction and magnitude of rotating object to another in world space with Animation Nodes or Sverchok

I was trying to figure out the following problem. If given two objects A and B, A is scaled non uniformly (i.e. scaled along Z axis), B have no scale transformation - can B object be scaled according ...
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1answer
449 views

How to search for object in group list? - Animation Nodes

When I have a Group Object list created from Group, sometimes this list randomly resorts itself, making the indice Get List Element useless and destroys the tree flow. I need to isolate an object by ...