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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61 views

Is there literally NO way to start a particle animation when the particle is emitted?

I've been battling the particle system for over a week now without any success. A little context to what my issue is: I'm using an instantiated collection(!) with 4 meshes in it as particles, each of ...
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149 views

How can avoid spheres interesecting?

I have an animation of objects running along a spline and they vary their scale following a sine pattern. The thing is that the spheres sometimes overlap. I have made a loop which contains another ...
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143 views

Is is possible to get boids data to animation nodes signalling when they are 'attacking'?

I am creating a space dogfighting scene and I have been able to hook up the particle boids to animation node instances, including positions and even the rotations by normalizing the velocity and ...
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166 views

Installing animation-nodes addon on blender 2.81

I've been trying to install and activate animation-nodes... to no avail. Thus far its the only addon I've run into so much trouble with. I've tried uninstalling blender 2.81, deleting any remnant ...
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271 views

How does the “Curve object Output” node from animation nodes work with loops?

I'm trying to Generate a bunch of random floating around objects which are connected by Splines. This is my node setup: And this my result: All of the splines are getting generated at the same ...
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708 views

Animation Nodes: Ability to create mesh and assign UV coordinates?

So far, working on the 1.0/master branch of Animation Nodes, I've been having a rather hard time creating procedural mesh data, and I eventually ended up just writing a python script to create the ...
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0answers
76 views

I've managed to create a node tree that creates cables between two objects. How can I make it for multiple objects?

Not sure if you guys are familiar with the TopoWire plugin for C4D (see here), but I've managed to create a node tree in animation nodes that does this (without any dynamics). Here's the node tree: ...
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44 views

Wrong length of Hair in Animation Nodes

Vertex group controls strands' Length (I don't using textures, because image sequences are not working with Particle System - it's a known limitation) I expected to see different values for each ...
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120 views

How to change the active node tree data block using python?

I'm using animation nodes add-on. How can I switch between the node tree data blocks using python (as shown in the picture below)?
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1k views

Is it possible to extrude a PNG image?

Is it possible to extrude a PNG image in Blender? (Perhaps using animation nodes or sverchok?) If Blender can read the alpha, wouldn't it also be possible to draw curves along the edges? (assuming the ...
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303 views

Can you use parents/constrains and animation nodes in the same animation?

I'm new to Animation Nodes and I encounter this problem: With three simple objects: a empty, a cube and a sphere, I have reproduced the situation I would like to implement in my project. The cube is ...
2
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1answer
177 views

How can I animate multiple properties of the same object at once?

I am trying to animate a vehicle coming to a stop and I want the tail lights to start glowing at a certain point. To have a realistic effect, I was using the compositing screen layout with more than ...
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2k views

Convert Animation Nodes to Object and Keyframes

I have This Node Tree in Animation Nodes: As you can see it creates objects and edit their location. but When I render, even If I normally bake all the Dynamics, the cache disappears and then it ...
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110 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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28 views

Animation nodes´ path animated camera is not smooth

I got an animation node script from this question (Is there a way to animate a camera along a curve at specific speed?) and the node tree looks like this: The setup works well (thanks for ...
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1answer
30 views

Start a particle’s animation when it’s in a certain location with animation nodes?

That title is quite the mouthful, so I’ll try to explain my issue as best I can, which I had for like 5 days now and simply can’t find any solution to. Context: I have a plain that is subdivided a ...
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42 views

how to create splines streamlines

I am a beginner in Blender and in Animation nodes. Is it possible to somehow achieve simulation of streamlines just like on CFD simulations, but only with splines in Animation nodes? That is, splines ...
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25 views

Trouble with animation nodes and objects appearing to be linked when they're not

I have this animation of some gears turning. It looks fine in the viewport, everything moves correctly, but when I render the animation the gears aren't turning or they're glitching. I tried to solve ...
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45 views

Procedural Wire Generator in Animation Nodes

I’d like to figure out the method to creating this procedural wire generator inside Animation Nodes 2.1 as depicted in this youtube video here: https://youtu.be/lsXb5ywrg_I The video gives little ...
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1answer
23 views

Convert old AnimationNodes to Current - a flying away movement - what is the “Objects from Group” replacement

How to convert this animation to current 2.8x animation nodes ? A simple flying with slight rotation, controlled by the empty locaion.... I can't find a kind of "Objects from Collection" node
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20 views

Distributed objects python script

I'm trying to distribute objects along a curve as an add-on in a modal operator like in this link. I did it for a line an it works ok. The problem comes when I want to evaluate a curve with different ...
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1answer
47 views

Animation Nodes Speed Control

Here is a simple nodeTree that rotates a cube around Z axis. Can it be easily changed so that we could explicitly control the rotation speed instead of the angle of rotation?
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70 views

How to Instantiate Complex Collections With Variations?

Has anyone been able to instantiate complex collections with variations? Example: I have an elaborate light fixture with many objects and animations (all animations use Animation Nodes). Now I want ...
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86 views

Physics and calculus in blender

I'm physics student and I want to calculate things on blender, I've to learn many things of the program and I'm starting on it. I want to know if it's possible to do some calculus inside blender, for ...
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1answer
134 views

There is a way to instance two rigid body objects with hinge constraint between then using AN?

I want to make several instances (clones) of a simple rigid body setup: two rigid bodies linked with a hinge constraint. Each one of the instances need to bend by the hinge in its proper individual ...
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55 views

How would you go about achieving this type of folding animation?

https://www.instagram.com/p/BqFwidflF6j/?utm_source=ig_share_sheet&igshid=96chkl8ig9f0 I’m guessing it would be possible with animation nodes but wouldn’t know where to start.
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1answer
145 views

Assign random color to spline list

I created a spline list following this guide. Now I want to assign a different color to each spline using Cycle's random node, but it doesn't work because the splines are grouped into one object. My ...
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91 views

How to get access to Bone Matrix on the Previous frame with Python? (or animation nodes)

Does anyone know if it is possible to get access to a bone matrix on the previous frame with python? (or any offset value for that matter) I'm trying to figure it out but it isn't possible to sample ...
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305 views

How to control emission, speed, velocity of particles using sound?

I kind of know current Blender 2.79 Particles limitation (unable to turn on and off or sending multiple burst), but I recalled in the past there was AN video that control Particles emission based on ...
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1k views

Animation Node: Bake to Keyframes (convert animation)

Followed a tutorial on Animation Nodes by Jacques Lucke on Youtube the other day and tried a very basic setup. This was my very first AN test.. As I would like to render it on a renderfarm, I have to ...
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285 views

Resetting origins with animation nodes

Just a quick one - I've created an array of objects by transforming instances of a mesh along the x axis but need to reset the origin of each object back to the grid centre. How can I do this? I can'...
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1answer
473 views

Animation Nodes - Object ID Key - Group

Got my hands on V1.7.5 of Animation Nodes and there is something I can't understand. I create a group with 4 cubes and as I plug in a "Objects from Group" node to a "Object ID key" the Debug drawer ...
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178 views

Displacing a grid and replacing faces

I'm trying to recreate an effect similar to the man vs machine Fly knit weaving animation (https://vimeo.com/162826208 around one minute in). I have broken it down to several effects: - Displacing the ...
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246 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. ...
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1answer
47 views

When animate nodes names are translated, the Chinese will not display properly

Obviously he only supports English, but what can I do to make it show Chinese (I tried Unicode)
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8 views

I am having trouble installing animation nodes

I am trying to install the animation nodes addon on my mac, but I keep getting this error message I cannot find the specified folders on my mac and would really like some help if anyone knows what ...
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18 views

Animation Nodes Image stack to volume Blender 2.82/3

Is it possible to stack a sequence of images as a texture for a volume shader similar to what can be done in Houdini Convert Slice images to Volume There is an example of what has been done in Blender ...
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1answer
25 views

I'm having problem enabling Animation Nodes in blender 2.82

I dont know what to do. Im pretty sure you will get the idea what is wrong by seeing this picture. I'm new doing animation in blender so any help will be apprreciated...
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30 views

Animation Nodes, animating multiple path/spline objects

I am learning to motion graphic a logo. My set up is simple, imported logo as an svg and I have the collection of path shapes for each letter. I already created instanced, animated, heart shapes in ...
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1answer
23 views

“Dll load failed” error when trying to install Animation Nodes in 2.81b and 2.8

Not a top notch programmer here, just an artist. Recently tried using AN with 2.8 and 2.81b but have been getting this error (Image Attached). Too much to type and I'm not sure exactly what's wrong. ...
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1answer
25 views

The Grid Mesh Generator has changed its outputs, how do I turn its mesh output to vertices and indices?

I'm just trying to follow this tutorial but when I try doing the same in my computer, the output of the Grid Mesh is different: Am I missing something here?
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17 views

Blender - how to automatically stop render (last frame) when sound file ends (video sequencer)

I have an audio playing in Blender's video sequencer: How can I automatically have the render output stop when the audio has reached the end? Currently, I have to input my start and end frame ...
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0answers
20 views

Outputting python script / Subprogram node variables in animation nodes to text objects

I have variables from a python script that I would like to output to text objects. See image below I'm trying to get all the w1,w2,w3... variables to also be scene as text objects in the scene how can ...
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1answer
40 views

Splines Animated by Sound - Animation Nodes

I've just made the change from Blender 2.79 to 2.81a. I've also updated my Animation Nodes to 2.1.4. Both are installed and working as expected except for the Sound Baking function in AN. Some ...
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25 views

How to interpolate Wiggle Falloff (or maybe Noise Falloff) to 1 and 0 for each instances?

... something similar is done by "Index Mask Falloff", but it can only be animated via seed and animation is not smoothly animated unlike him "Wiggle Falloff" can be smoothly animated
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40 views

It"s possible to morph a spline in multi-spline controling the delay on time?

moving in the same direction of this idea -Morphing Object-Distributions on multi-splines(Animation Nodes - Blend distribution of objects on a curve into another curve), i find the way to morph spline ...
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23 views

Loking for animation rotation keys data in Blender parsed file

I'm writing a c++ code that parses blender file. It 's quite clear with static graphical data (vertices, indices) and armature bones noding, but I have problems with finding a structure that contains ...
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27 views

adding vertex between two vertices using animation nodes

i'm working on differential line growth, which requires me to resample my shape each time the distance between two vertices becomes too big. Yet I can't seem to find anything concerning this online. ...
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38 views

random placement avoiding intersection - “push apart effector” in blender

"Push apart effector" is a mograph tool in C4D that prevents object intersecting each other. (similar like a rigid body without rigid body) In C4D, there are different modes to prevent intersection, ...
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21 views

Save ID Keys Animation Nodes

Does anyone know if you can save id keys in animation nodes? Every time I open my project it resets them and I have to redo it. I'm sorting ID's based on the distance to my selected object. Every ...