4
votes
0answers
808 views

How can I make particles not pass through the surface and not get “stuck” in it?

I want to make the falling autumn leaves. I did a system of particles, but when the leaf particles reach the surface, (to which I applied collision modifier), they do not entirely remain on the ...
4
votes
0answers
448 views

Adding sliders from UI to pie menu

I've seen some sliders working in pie menus but the one I'm trying to add to my pie script isn't showing up. Its the 'autosmooth normals' slider from the Object Data tab, under Normals (in the ...
4
votes
0answers
360 views

How to display texture preview on a custom node?

I'm trying to use layout.template_preview to display texture previews on some custom nodes I created. I'm currently calling it with just: ...
4
votes
0answers
325 views

Baking metaball solver

I'm animating a particle system of metaballs, and finding that the scene takes a long time to initialize before it can even start rendering. I'm finding it annoying as I work on materials, since there'...
4
votes
0answers
320 views

Add custom textures and vertex attributes

I'm a new user of Blender, but I have 10 years experience of 3d development (mainly C++/OpenGL, but I know Python pretty well). Now I plan to use Blender as a replacement tool for the "good old ones ...
4
votes
0answers
2k views

Alpha transparency not showing in cycles viewport

Using cycles I have simple cut out people in the scene: planes with .png textures on them. The transparency shows in the material editor and is rendered correctly but is not displayed in the viewport. ...
4
votes
0answers
153 views

Particles intersecting object and then exploding without reason

I'm using PyroEvil's Molecular Physics addon, which is required for the simulation to work. Find it here. I've been playing around with the aforementioned addon, to see what it can handle and what it ...
4
votes
0answers
5k views

Export 3D model from Blender to .U3D for use in PDF file

.pdf files supports Displaying 3D models, you can view the model from any angle by mouse movements - sort of like looking through the viewport, only the object is fully rendered, "real", etc. This ...
4
votes
0answers
175 views

Hide filter options in UIList

I want the UIList to not show the filter options (inkl. the plus button). I've use following flag: self.use_filter_show = False The flag disables the filters ...
4
votes
0answers
787 views

help with exporting game as .exe

I've been working on a game with levels. I know how to use scenes and transferring to scenes for the levels but it's getting laggy and slow. I know I can just do 'Start Game From File'. That will ...
4
votes
0answers
522 views

How can I use a node-based texture for smoke flow in Cycles?

Preface: I'm thinking that this might be a bug, because the behavior's pretty weird. I'm posting it here in case it is the intended behavior and there's some trick I should use. I can successfully ...
4
votes
0answers
392 views

Why is this happening when I bake physics to keyframes?

So, I'm trying to do some stuff with physics and cell-fracture, and I need motion blur. When I bake the physics and render w/ motion blur, the objets aren't in the scene. So I tried baking the physics ...
4
votes
0answers
120 views

How to know when object are deleted?

I use blender as a network client. I'm able to know when objects are updated (via handlers). But I would like to notify the server when a object (or mesh, animation, etc.) are removed, how can I do ...
4
votes
0answers
366 views

Save screenshot (bge) without writing to disk

This is a little odd but I need to save a screen-shot as an array (numpy array for eg) without writing to disk. The idea here is to create and then call the array once per frame in an external script ...
4
votes
0answers
278 views

How does “Max Angle” work when using Tris to Quads?

According to Wiki: This value (between 0 and 180) controls the threshold for this tool to work on adjacent triangles. With a threshold of 0.0, it will only join adjacent triangles that form a ...
4
votes
0answers
129 views

How to smooth second derivative of selected mesh?

I have a mesh that I want to smooth by minimizing the second derivative of it, while taking into account non-selected vertices (for the edge condition of this derivative). For example, let the ...
4
votes
0answers
478 views

How do you switch to a completely different camera in a different Blender layer?

Say I create another scene in a blank layer. How do I switch to that totally different scene during rendering? Thanks guys!
4
votes
0answers
8k views

Having trouble panning/rotating with two-fingers on trackpad

I'm having trouble with something that's hopefully pretty basic. I just got a windows laptop after using a macbook for a while. I was surprised to find that blender was not acting the same. On my mac, ...
4
votes
0answers
457 views

Blender and MBdyn

I was looking for aerodynamic simulation possibilities in blender and after some research landed to this page: http://blenderartists.org/forum/showthread.php?139557-Multibody-Dynamic-Simulation-...
4
votes
0answers
493 views

Dynamic Paint Brush Erase doesn't work in Render Output

Got some problems when trying erase colors with a Dynamic paint brush. I have plane which is affected by particles Dynamic paint brush (surface & color). When I try erase some spaces on the plane ...
4
votes
0answers
664 views

Converting an obj sequence to a .bobj fluid sim cache?

I'm wondering if there is any way to accomplish turning an obj sequence exported from realflow into a .bobj fluid cache that I could then trick blender into loading as a native fluid sim cache. So far ...
4
votes
0answers
644 views

How to get bone rotation between two matrices?

Before the question a bit of a background... I have a mesh, and vertex groups as well for it's bones. Before placing the bones, I moved the vertices of the mesh, so every ...
4
votes
0answers
153 views

Undefined normal vector by converting .blend file

I hope my first post here isn't that much off-topic. Well, I had some times ago an project with Ogre3d. My designer used Blender. When ever he made a model for me, it looked in the Blender window fine,...
3
votes
0answers
28 views

Customize Default Value of Input Fields

Is it possible to customize the default value of an input field, so that - for instance - when using the Bridge Edge Loop Tool, I can set the "Cuts"-Parameter default value, which is 0, to my custom ...
3
votes
0answers
52 views

Blender 2.8 - Object index pass in Eevee

I need to isolate filters on some objects in the compositor and Blender 2.8 does not have the options to setup object/material passes in the View Layers. Is there anyway to achieve this in Blender 2.8 ...
3
votes
0answers
32 views

Rendering with OpenGL in Blender does not show the intended rendered image or animation

I am trying to render animations and images fast using the OpenGL feature in Blender but even though I want it to render a fully rendered image or animation, it only renders the solid image, or the ...
3
votes
0answers
54 views

Convert polygonal cube to solid primitive cube/box

I have a radiation analysis program (NOVICE by EMPC) that only accepts 3D models made up solely of solid primitives, such as cubes or "boxes". My strategy is to "voxelize" complex models using ...
3
votes
0answers
35 views

Shell based deformation in blender

Is it possible to do in blender a "shell based deformation"? Basically given a mesh I want to pull few points and distort the whole mesh in a way that curvature due to distortion and pulling is ...
3
votes
0answers
31 views

How to set the path for userpref.blend file?

After compiling Blender as a Python module I realized that userpref.blend does not exist in ~/.config/blender/2.79/config. I ...
3
votes
0answers
34 views

Light / Mesh inconsistency in one area - Cycles

I'm trying to understand what's wrong with the lights in my scene. I've made some kind of sci-fi corridor, inspired by the interior of an aircraft cabin. The main mesh is first mirrored and then ...
3
votes
0answers
30 views

Render in 3D audio for YouTube

I'm trying to render 3D audio so that when you turn the view on YouTube, the audio will change depending on what direction you are looking in. The Spatial Media Metadata injector (found here) only ...
3
votes
0answers
39 views

Hdri, controlling the image exposure vs the light it is casting

I have a scene where I am using a HDRI as the environment lighting but also using it as the background image, now the problem I have is that the image seems to be a lot darker than the light it is ...
3
votes
0answers
45 views

First attempts with SSS - where is the nose?

I am trying to make the skin for my female mesh and watched some tutorials on Skin Shaders. I tried to rebuild YanSculpts Tutorial https://www.youtube.com/watch?v=ktsyL2Kp5bQ&t=388s and the result ...
3
votes
0answers
38 views

Setting particle color with generated m x n image texture

I have a large particle system in which the particles (stars) are colored according to a generated image texture. The image texture was originally 119,617 wide and 1 px high. No matter what I did, ...
3
votes
0answers
33 views

Trying to open unknown but simple looking (just geometry) ascii 3d model file.txt in blender

So I have this weird .txt file for a really old game project. I don't know what kind of file it is but it is a text file (.txt). It contains stuff like this. It should be 3d model in some weird txt ...
3
votes
0answers
53 views

Artifacts when rendering irregular mesh in Cycles (black lines)

when I render with Cycles any mesh (specially planes) with a bit of irregular shape (by using previously, for example, a displacement map) some black lines appear on it. Those black lines are not ...
3
votes
0answers
42 views

Size limit of generated texture images?

I'm using generated texture images to set the individual colors, emission strengths, and sizes of 119,617 stars imported from the Hipparcos catalog. My texture images are each a single row of 119,617 ...
3
votes
0answers
39 views

How to create an computationally efficient fan or sheet of light in Cycles?

I want a light source to put out a sheet or fan of light. It would illuminate only along a line if it were shining on a flat surface. But I want to shine this on complex shapes. One way I've tried ...
3
votes
0answers
25 views

Compositor File Output Node overwrite?

In the Output tab of Render settings, you can set the output options for rendered animation. One of the options is to have new renders overwrite the previous ones or not. The File Output node in the ...
3
votes
0answers
61 views

How can I properly wrap complex objects?

I'm having problems with the Shrinkwrap modifier. I wanna wrap this dragon on the objects surface. But instead I get this :( I've tried with Curve too... Can anyone help me? Thanks... And sorry ...
3
votes
0answers
46 views

Slide vertices based on angle of adjacent edges

I want to extrude a boundary edge such that angles between any given newly generated perpendicular edge and the edges on either side are equal. That is, I want to do this: The gif was accomplished by ...
3
votes
0answers
64 views

How to access Normal and Tangential force values of objects during physics simulation?

I have a couple of soft body objects that collide with each other as shown below. My goal is to get information on the Normal and Tangential forces for the selected shape. I wonder, is it possible to ...
3
votes
0answers
117 views

Nodegroup: Missing data block

A Cycles node group in a file of mine seems to have lost its data block somehow. The group still shows its inputs and outputs properly, but the name of it has changed to Missing Data-Block, and no ...
3
votes
0answers
54 views

How to create a seamles UV map for an hexagonal grid texture?

I have very little experience unwrapping UVs. I'm not able to wrap my head around how to seamlessly create the texture for a beveled rectangle. Here was my attempt when UV unwrapping it. I ended up ...
3
votes
0answers
60 views

Prevent rigid bodies used as particles from going through each other

I'm a student looking at microstructures of foods. I created an 'emulsion', but the droplets 'go through' each other. See image. The image shows a rendered slice of a box filled with balls (after ...
3
votes
0answers
438 views

Rock PBR Texture Creation within Blender (Procedural) for export in game engines

I've seen in Blender Docs that there are some of the procedural textures in Blender like Voroni/Clouds/Noise etc. I've seen Substance Designer which is a good alternative to create textures for game ...
3
votes
0answers
56 views

Strategy for Generating a Normal Map Projection From a 3D Model

I am still relatively new to Blender, and I am currently using it to model 3D vehicles for a 2D game. The 2D-rendering engine (Pixi.js) creates an illusion of depth using a normal map (as ...
3
votes
0answers
39 views

when i enter edit mode, the edges don't stick on the object itself

Whenever I enter edit mode, these lines supposedly are the edges to edit. But they look to be very squared and detached instead of sticking on the object. Why is this happening?
3
votes
0answers
25 views

Interrupt script from gui button

I would like with python blender, a Gui with two buttons one to enter a forever loop, and an other to break the loop. I'm afraid that when the loop runs the pause button will be unresponsive. I ...
3
votes
0answers
407 views

Ambient Occlusion with Cycles

So far I've been using the following setup to render the pure object-shadow in a studio environment. Rendered with BlenderRender and than composed in Photoshop. But since the fact BlenderRender will ...

15 30 50 per page