Questions tagged [optimization]

For use on questions asking how to optimize specific things. i.e. game logic, rigid body simulations, viewport performance.

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Reducing vert/triangle/whatever else count before exporting into Unity?

Question is basically in the title, what should I do to remove everything what basically can't be seen and etc without reducing quality of the outside of the mesh - what will be seen? Do I have to ...
3
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2answers
3k views

Reducing internal faces generated by extensive curve extrusion?

Excuse my title gore. I've been modeling Gothic architecture: (reference) Here's the blend file I've been practicing with. So I'm extruding along curves a lot. The complication is the fact that ...
6
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2answers
624 views

Object displacement over LOD

I am creating a scene for the game engine and setting up the ground now. I have different levels of details and thus want to keep my pieces as different objects. I duplicated it several times and ...
14
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2answers
16k views

File optimization: Duplicate or linked duplicate?

I'm currently in the process of optimizing my blend file. I am still relatively new at blender and would like some documentation on file size and render time reduction using linked or unlinked ...
2
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1answer
643 views

Does Blender create large cached files on Mac computers?

I am still new to Blender (less than 1 year), and have read this post indicating that Blender sometimes creates large cache files. The user - and thread - are regarding the use of Blender on a non-...
0
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0answers
79 views

Render optimization when frames are almost the same

Is there any way to boost rendering animation, where lots of chunks are not being changed? E.g. a sprite moving on a static background.The cycles renders some chunks over 100 times and they are every ...
2
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0answers
123 views

Navigate 3d viewport hovering the mouse (without any button click) with ctrl/alt/shift key combinations

Is this possible to navigate in the 3d viewport just hovering the mouse (or the pen on a tablet) with the existing ctrl/alt/shift key combinations BUT without the need to click on any button of the ...
4
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2answers
2k views

Is it possible to dynamically reduce the number particles based on distance from camera?

I want to render an animation in which a car drives along a certain stretch of road. To one side there is a grass field, but this is quite big, both in the direction perpendicular to the car, and ...
5
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2answers
830 views

Find submesh and replace with instances

I have a lot of meshes of different houses, each house is a single mesh, but parts of this single mesh has some repeating features, such as windows, doors, etc. I am looking for a way to reduce the ...
4
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2answers
1k views

How to avoid extraneous edges when using loop cut?

In order to create the detail for the shape on the right of the image below: I had to create a lot of loop cuts. But the loop cuts create all the extra edges further to the left of the model, which ...
0
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1answer
89 views

For game assets is it ok to intentionally stretch UVs, or does this interfere with pixels per units?

I have a question about texture stretching and environment design, and was hoping a Blender/asset creator guru/environment artist could give me some answers. I was reading about something games use ...
6
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1answer
691 views

Is it possible to opitimize Cycles' refraction material?

I want to create an animation where a sphere moves. This sphere is going to be textured with a PBR work flow. However, the sphere will feature a relatively complex node setup, wherein one of the main ...
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3answers
1k views

How to suspend object's logic in BGE?

I want to save performance in a scene which contains a lot of objects with constantly working logic bricks. How to turn it off while the player is not nearby?
5
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3answers
4k views

Is it possible to simplify this mesh? I have too many vertices

I'm struggling to work my model with this amount of edge-loops/handles. Can anyone suggest a less cumbersome approach?
0
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0answers
138 views

Problems with the video rendering time

I'm new with blender and I have some issues with my rendering time. I have made an animation that is 2:35 longer. I left the computer rendering the full weekend (it is in my office so I couldn't take ...
15
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3answers
4k views

Blender Sequencer speed is Extremely slow

I have a video (720p) that is 37 minutes long, with a bitrate of ~3000kb/s. This video is a game recording, so 37 minutes worth of this footage was written in 37 minutes, while other extremely CPU, ...
2
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1answer
116 views

I cannot get a scene to render in blender

I am using Blender version 2.74 with cycles and I have a scene that I cannot get to render. When I click render it will just stay on the viewport will just show a checkerboard and show no signs of ...
3
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1answer
2k views

Blender game runs very slow

I am making my first game in Blender, so being kind of newbie, but I notice that when I run it in the standalone player, it runs very slow and jerky (in the built-in also, but not as bad), like some ...
1
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1answer
1k views

“Select Interior Faces” buggy and unpredictable? [duplicate]

I wrote a tool that outputs a Blender python script that generates a given Minecraft world in Blender using the fewest cubes possible. It's working great, but I'm having terrible difficulty trying to ...
4
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1answer
672 views

How to set up SSS on cycles for efficient rendering

How do I set up SSS shaders properly to render efficiently in animation projects. Are there any specific optimizations to consider? I am trying to render some orange juice in a bottle and getting ...
8
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3answers
3k views

Managing/Reducing noise in a night scene

I've been trying to get a pretty noise free image from this scene for a while. And nothing seems to be working. I've been trying to use 3000 samples, then rendering different noise seeds and composite ...
3
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1answer
2k views

Use all Ram on Blender when rendering? (Cycles and Blender Render)

I have 32 GB Ram on my computer, how can i make Blender use all (or at least, the most) of the RAM when rendering?
0
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1answer
218 views

Showing the volume using 3D Printing Toolbox

I want to optimize the volume of the intersection of 4 cameras(not blender camera). I assume that the camera FOV(vertical:70.6 grad and horizontal:60 grad) is a mesh(pyramid with the same FOV angle). ...
4
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1answer
155 views

Is there a timeout/max capacity in blender's phyton scripts?

I can't figure out if there's something wrong with blender or my script. So far I have this little code, which does its job if the file which is parsing is not SO big: ...
3
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2answers
980 views

Can blender game engine hide vertices that are not visible to the camera?

Is it possible for the Blender Game Engine to hide any vertices/faces currently not visible to the camera in order to optimize game performance? This would be for parts of meshes specifically.
1
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3answers
1k views

Speedup Cycles for material-only renders

I render planes with procedural materials and don't need any other effects in those renders. The preview is generated within seconds but the final render takes minutes. What and how should I disable ...

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