Questions tagged [vector]

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What file format and setup for the “Vector Blur” node in compositing

Which file format I've to save for using vector data in a "Vector Blur" node in Blenders compositing? Currently I save the vector pass into a OpenEXR file, but the blur is always vertical and doesn't ...
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9 views

How to move object along a vector that does not align with an axis?

This seems like a simple thing, but I can't work it out with the code. Overall I want to move an object along the surface of a plane of unknown direction. First I get the normal vector of the plane,...
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10 views

Is it possible to have the location of a seperate object as a vector-input in a material? [duplicate]

A simplified explaination of what I want to do is this: There is a camera moving through the scene and as it moves, there is a wireframe of the enviroment which expands outwards from the camera. I ...
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2answers
54 views

Make Curve Have A Fill and Border

Setting a fill and border is pretty easy in apps like Illustrator and Gravit Designer but in Blender. I've found it to be more tedious as I can't find anything online to solve this problem. The ...
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1answer
44 views

Animating Curves for Arms and Legs

Here's a design by a man named James Curran. Now James uses After Effects (you can watch how he does animations here and here, which is the long way in After Effects by animating and manipulating ...
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1answer
42 views

Error creating Vector object from csv file in Blender (with python script) [closed]

I'm trying to create a Vector object (from mathutils library), whereby I have a csv file with 3 columns: x coordinate, y coordinate and z coordinate. All I want to do is import this CSV file in ...
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1answer
72 views

How to change a *VectorProperty size?

Let's say I've created a scene property named a: ...
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1answer
51 views

How to multiply vector with list items

I want to draw a point on every vertex of an instanced mesh in a particle system. I put together this short script to do that. It runs without error but nothing happens. The console puts out this ...
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1answer
61 views

Is Blender appropriate for learning Stereometry (a subject in mathematics)?

In some countries, senior high school students are still taught about Sterometry in which we are asked to draw a cross section between a solid and a plane, for example, as follows. Shortly speaking, ...
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1answer
67 views

Projection of point on plane

I have a point in 3d view (found out with region_2d_to_origin_3d of mouse position). I want to find its projection on a plane defined by a normal (x1, y1, z1) in orthographic view. How to do this? ...
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1answer
39 views

Make a bendable/posable 2d person

I currently have a vector image of a simple sprite similar to the people in the image except with eyes and I was wondering if anyone knew how to add a texture to the imported vector image and then ...
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19 views

Make an SVG into a bendable flat object like a paper cut-out

I am trying to make a paper cut-out that I can bend and distort. Currently I have a scalable vector graphics file and a separate texture. How can I add the texture to the vector image (the texture is ...
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4answers
199 views

Materials: How to compare two vectors?

I'm looking for a method that compares two vectors in order to use a mix color/shader. Example : If the camera looks at the object from atop (as the two vectors align) it should select material A. As ...
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229 views

Material view in sculpt mode doesn't show material

I've been working with Blender for several years now, and I am wondering how to use a material in sculpt mode as a guide for how the mesh looks while I am sculpting it (not matcaps). Right now, all I ...
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1answer
101 views

How to show out of bounds texture from a modulo operation [duplicate]

Does anyone know how to show the cut parts? I used a modulo operation with random coordinates and rotation for each cell, but when I try to randomly move them I get some parts of the texture getting ...
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11 views

Using vector library

Why in some examples there is vector class imported and used, and in some it isnt and it is working properly? There: How do I find the closest point on another mesh to a vertex with Python? first ...
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9 views

Cycles Vector Pass is zero for animated vertices

While debugging vector pass output (will post separately), I set up a simple blend with one triangle where each vertex is keyframed separately (after enabling AnimAll addon in user settings). The ...
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0answers
106 views

Optical flow generated from cycles render is not proper

Scene generated from Blender, and flow is given. As it can be seen the flow generated is not proper, it is in a zig-zag format. I see the scene at and above horizon have more zig-zag. Can someone ...
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0answers
379 views

Blender Eevee Vector Motion Blur?

So I am trying to use Eevee to render this animation, and I want to add motion blur. I like using the vector blurs in cycles but is there a way to use the nodes in Eevee? I don't see a way to add a ...
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1answer
94 views

How do I convert an svg (or a plane) into a rounded mesh?

How can I smoothly extrude a plane or an svg curve into a circular/rounded mesh? if I simply import an svg and extrude it and then add a subdivision surface modifier, it makes a big mess. I need a way ...
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1answer
56 views

Vector Math to Determine Gravity Path

I need to code a function that basically traces the path a sphere would roll when placed on a triangulated terrain. The image below shows the problem, but I haven't got a clue how to work with vectors ...
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0answers
29 views

What vector do I use for the end of the raycast when using 'scene.ray_cast'?

Ho do I get scene.ray_cast to work? I want to detect an object from 2 points. The start of the raycast is the camera.location, ...
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0answers
43 views

Relative Scaling of Window Mapped Texture To Camera

I'm trying to create scanlines materials to give the appearance of a hologram object. The only problem is the textures don't look right when they are far away from the camera. The multiply node ...
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1answer
135 views

Animating Animation node parameters…?

I am making an animation of atoms in random motion which decrease in speed along with the decreasing temperature. I made the atoms using animation nodes. Instanced sphere and added vector wiggle to ...
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1answer
237 views

Camera Data “View Vector” Interpretation

I am trying to develop some materials with interesting optical properties. In doing so, I am investigating the use of the "View Vector", however I do not understand it. Looking at the documentation, ...
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0answers
173 views

Grease pencil vector export

Is there a way to export the new and wonderful grease pencil in any vector format. This would be so nice for logos and graphical stuff!!!!
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0answers
65 views

Vector Displacement from Zbrush to Blender

How do I get Blender to render a vector displacement map from Zbrush properly? I have rendered the diagnostic scene from Zbrush, but none of them are accurate enough to be useful. I am running ...
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1answer
122 views

Is it a correct math definition of averaging two vectors? (Blender vector math node)

There is such a definition in the Blender Vector Math node: Isn't an average vector supposed to be something like: Vector = (input1+input2)/n where n is a number of vectors? It seems what we ...
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1answer
2k views

TypeError: Element-wise multiplication: not supported between 'Matrix' and 'Vector'

Using 2.8 I am getting the following error when trying to multiply matrices and vectors ...
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1answer
68 views

Values to straighten wave texture?

I am using the wave texture and am faced with a dilemma: by default, it is rotated in some obscure way. I want the bands of the texture to be aligned with each axis (x, y z) but cannot for the life of ...
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1answer
713 views

Can blender export vector images?

Can you export a blender curve into a vector image? Is there perhaps an addon that can do that?
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1answer
374 views

What's happening with vector displacement 2.79b?

pretty quick question. I use the vector displacement node in order to add greebling to models. The latest version of 2.79b doesn't have that node, which seems to be why sheepit render farm is ...
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2answers
253 views

Align vertices along vector (Python)

I have a vector and vertices, and I'm trying to align the vertices to that vector using 'Translation Matrix', unfortunately multiplying the matrix with the vertices' coordinates do not change anything....
9
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1answer
511 views

Project scene to plane in real-time

I understand I could render out the view my camera and then just that as an image texture, however, I want to try and achieve this effect in real-time. The idea is derived from an effect present in ...
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1answer
87 views

How to get Mirrored Vector by Plane on Python

How can I get mirrored vector(point) by Plane by using blender python modules? Plane will be defined as plane_normal : Vector plane_position : Vector I need to know function like ...
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1answer
2k views

How can I make my procedural brick texture map correctly to both a cube and cylinder?

I've been experimenting with node-based procedural materials in Cycles lately, and after spending a few hours working out a brick material that works pretty well along walls, I noticed that it has a ...
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2answers
672 views

Bump node doesn't produce bump from normal vector

Why does Bump node loose its functionality as soon as being fed with texture, connected to Normal vector? EDIT: Using Texture Coordinate's Normal vector doesn't change anything.
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1answer
265 views

Displacement distortion

By some reason displacement became directed and to perpendicular to normals. Tried to kill user preferences and check it in new scene - same thing: it's always distorted. Please, HALP
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1answer
171 views

Replicating Cooktorr specular with Cycles vectors, almost there, but why vector is twisted?

I'm trying to replicate material shading from Blender Internal in Cycles, so long I managed to get Diffuse working correctly with Point Lights, a rather awkward but working sunlight/hemi node setup, ...
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1answer
284 views

Average value in material nodes

Is there a way to get an average value in material nodes? I am only aware of this option in compositor: https://docs.blender.org/manual/en/dev/compositing/types/output/levels.html
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1answer
136 views

obj.rayCast() not working as intended

In the game engine, I've got a function which uses rayCast in asteroids. It doesn't work as intended, as even with x-ray turned on, it often doesn't see through objects without the desired property: <...
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0answers
163 views

How to remap tangent vector for remapped UV coordinates?

I've been using highly scaled detail normal maps through Cycles nodes and eventually realized I had a problem with my tangents. This creates sometimes subtle artifacts, most obviously when using ...
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1answer
413 views

Move one pose bone to the location of another in the same armature

Could someone help me get out of the starting blocks I suspect I'm making this harder than it needs to be. with python Lets say in pose mode I have bone A at location (0.00,0.00,2.00) world space ...
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2answers
414 views

Animation nodes: rotate around axis

How do you rotate an object around a given unit vector and angle? I thought I could use this matrix, but I'm unable to create a custom 3x3 matrix inside animation nodes. $$R= \begin{bmatrix} \cos\...