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.

178 questions with no upvoted or accepted answers
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83 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

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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298 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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275 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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726 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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37 views

How to Properly Unwrap Metaball, Metaball animation

I have a Metaball animation running with animation node. I want to project the UVs from the surrounding sphere to the metaballs so I can have the textures applied without artifacts (you can se in the ...
2
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1answer
74 views

Liquid Dissolve Effect from Akira

I am trying to recreate the effect in the below GIF, where blobs rise up off a surface. I've tried multiple approaches, but can't seem to find a solution. My main hope for the solution is that it be ...
2
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0answers
69 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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0answers
90 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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0answers
49 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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126 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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0answers
2k 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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320 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
189 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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3k 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 ...
2
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115 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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11 views

How can i make Ken Burns effect with animation nodes?

I have a camera and an image in the scene. I would like to achieve random Ken Burns effect on the image with animation node with the constraint that the image will always stay inside the frame never ...
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26 views

Animation object jam on the rendered video

I have a problem rendering a video when animation nodes are used to animate gears. In the viewport, the entire animation works correctly without hitches, but after rendering, effect is like the gears ...
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0answers
90 views

How to decode many words in a sequence?

I am trying to randomize some words from a list. The idea is that each letter of the word randomizes until it forms the word and then skips to the next word. Basically decoding the a list of words. ...
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0answers
52 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
46 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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0answers
62 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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0answers
48 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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0answers
33 views

How to transfer materials on object from material indices in Animation Nodes

I am trying to pass thru some tutorial from youtube https://www.youtube.com/watch?v=uv8FzbaxAw0 At 15:30 the author said that currently (7 Jun. 2018) Animation nodes cant work properly with material ...
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1answer
28 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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28 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
76 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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101 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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0answers
100 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
184 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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0answers
95 views

Animation Nodes - Trigger Armature’s instances action?

I have quite a complicated shot to do: as the camera moves in the scene, hundreds of props are constructing themselves. One same props can be like 50 times in the scene. What I did for now is create ...
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0answers
96 views

animation nodes error: node editor red outline and render error

im trying to use animation nodes addon. here is an image of my nodes. I am trying to make the animation nodes control the colour of the cube but when I eye-drop the cube i get a red outline around my ...
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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
161 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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0answers
94 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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0answers
326 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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0answers
2k 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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0answers
327 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
531 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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0answers
185 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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0answers
248 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
48 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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0answers
7 views

How can i loop animate a set of images in animation node?

I have a set of images to make a slideshow. I want to use animation node addon to animate the images. All the images will have the same animation but will stay in front of the camera with different ...
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0answers
9 views

Animation Nodes not rendering movement created by keyframes

In Animation Nodes I have "Object Transform output" "location Z" animated by nodes, but i'd like to animate X and Y myself using standard keyframes. In viewport my animation is ok, but in rendering ...
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0answers
8 views

Object Matrix Output, animation nodes problem

I have some problems with my animation nodes, when I node from object instancer to object matrix output, the cube transformed back to the default, it doesn't transform like the cube a make, hope ...
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1answer
20 views

Using Plane as Object transform “final” output

I have simple scene with wiggle falloff of some cubes. I would like them to move, but i'd like to place this cube "matrix" on the plane, and have movement taking into account bending of this plane. ...
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0answers
15 views

Animation nodes execute on a condition

I am trying to make animation node run on a specific frame. I compare the time info with the frame i want the node to execute on, and if they are equal, they return true. But I do not understand how ...
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0answers
15 views

Why can't I see matrices when using the Animation Nodes 3D Viewer?

I am unable to see matrices when I use the 3D Viewer.
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28 views

Getting the real locations of curve point of animated curves with Animation Nodes?

I can get the actual points or parametric points of a curve using spline info and the spline evaluate nodes however none of these gives me the real point locations of a curve if the curve is animated ...
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0answers
36 views

Timewarp/displacement morphing effect - animation nodes/shape keys

I'm interested in trying a "timewarping" displacement effect that morphs between multiple meshes with falloff. I know exactly how I'd do it in After Effects with 2D footage, where you have built in ...