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I'm trying to follow along this tutorial here.

It's a simple tutorial where the instructor ends up adding motion blur on a blue monkey, but without using the "motion blur" in Render properties. Screenshot from the tutorial, result:

enter image description here

It seems like blender is updated, and "vector" is no longer defined in the "view layer properties" - is the new input called the "normal"? Anyways here is my attempt to get motion blur on a moving cube. It's not working.

enter image description here

Any ideas?

Edit // I'm using Blender 3.4.1 can't find the vector option in ViewLayer

enter image description here

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  • $\begingroup$ I'm seeing vector in properties/view layer (in passes/data). In 3.4.1. Are you sure you're looking in the right place? "Normal" is not the same thing. $\endgroup$
    – Nathan
    Commented Feb 21, 2023 at 16:30
  • $\begingroup$ Just upgraded to 3.4.1, still not visible $\endgroup$
    – nammerkage
    Commented Feb 22, 2023 at 13:56
  • $\begingroup$ You are using Eevee then? in Eevee MB is so cheap, you don't need to fake it. Updated my answer $\endgroup$
    – Frederik Steinmetz
    Commented Feb 24, 2023 at 11:54

2 Answers 2

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This option is not available in EEVEE, try to use Cycles instead.

It seems to be EEVEE Next will have vector pass.

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You are using the Normal pass as motion vectors. Do this in the View Layer Properties: enter image description here

That makes the Vector output (see your 1. screenshot) appear and you can use it with the vector blur node

If you are using Eevee, the option will not be available, because it is very cheap anyways and would actually take longer to apply it in post, just make sure it's enabled:

enter image description here

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  • $\begingroup$ I don't have that option in Linux blender 3.4.1.. Did you do anything in the settings to get this option? (see new image in description of the issue) $\endgroup$
    – nammerkage
    Commented Feb 22, 2023 at 13:55

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