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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.

212 questions with no upvoted or accepted answers
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101 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 ...
4
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0answers
165 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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326 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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0answers
292 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 ...
3
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0answers
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 ...
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0answers
755 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 ...
2
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0answers
70 views

Converting / getting parametric equation to work using python

Converting / getting parametric equation to work in Python / Blender / Animation Nodes I can create / plot the parametric equation in Octave $$x=u\sin(u)\cos(v)$$ $$y=u\cos(u)\cos(v)$$ $$z=-u\sin(v)-\...
2
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1answer
132 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
90 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 ...
2
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0answers
105 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: ...
2
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0answers
51 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 ...
2
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0answers
133 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 ...
2
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0answers
341 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
217 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 ...
2
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0answers
129 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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0answers
23 views

Animation Nodes - Waveform Monitor - Picture into Grayscale into X-Distortion

I want to transform a picture with a given amount of pixels into a luminance signal (grayscale). The pixels are supposed to keep their Y-Position from the original input, but change the x-position ...
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0answers
21 views

animation nodes can`t work with object that has a modifiers?

animation nodes can`t work with object that has a modifiers? create spline from object node and use spline that has a shrink wrap modifief and subdivision modifier and I get a target curve object ...
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0answers
33 views

Can I get the computed shader's colors at specific points?

I have a mesh with a shader on it, as well as a particle system. The particles are emitted for only one frame, from the surface of the mesh, and are set to render None (I just want the 3d positions of ...
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0answers
27 views

ANIMATION NODES_ PLAY ANIMATION IN COLLECTION

I'm trying to reproduce the earth animation from this tut : https://www.youtube.com/watch?v=jEYI4lnOprY At the end, some arcs are animated. I have this node tree : My problem is that i'dont get the ...
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0answers
128 views

Looping over an objects indices while performing an operation / calculation using Animation Nodes - attached blend file

I'm having trouble looping over an objects (the cylinder) polygon indices while performing an operation / calculation on them. I created an animation in Octave, (and the calculations are correct I've ...
1
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1answer
27 views

Audio to affect Material noise / texture values

I am attempting to make a procedural material and have audio files affect different elements of the material. Examples.. I would like to have audio.01 to animate the scale of a noise texture node. ...
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0answers
25 views

Animation Nodes for sliding products onto shelf (2.82)

I'm trying to get to grips with animation nodes for animating a bunch of products on a shelf. I'd like them to slide in from the side based on the distance from a null object (the "effector"). To get ...
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0answers
41 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 ...
1
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1answer
47 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
41 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
92 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
91 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 ...
1
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1answer
64 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
68 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
81 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
38 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
31 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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0answers
31 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 ...
1
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1answer
132 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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0answers
137 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
71 views

Proper way to find max value and bring it back inside loop in Animation Nodes?

As you can see default method of reassigning maximum is limited by max value from current iteration (see left text-window) Writing max value outside the loop and bringing it back through Set/Get ...
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0answers
120 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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0answers
109 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
104 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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0answers
57 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
179 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
99 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
352 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
375 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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0answers
580 views

Why is the 'Object ID Key' node in Animation Nodes saying that my objects don't exist and don't have a location?

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 an "Objects from Group" node to an "Object ID key&...
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0answers
194 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 ...
1
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0answers
252 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. ...
1
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1answer
49 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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