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Rotate Vector Radial Value to a non-cardinal angle?

I create a Vector Radial and want to rotate it so it starts at -45 degrees. It can be flipped to all cardinal angles by using Swizzle and OneMinus but is there a way to get my desired output (shown below)? alt text alt text

Product Version: UE 4.21
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asked Jan 11 '19 at 11:18 AM in Blueprint Scripting

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You could use a Rotator node like this:
alt text

If the Speed param in there is set to 1 then the Time input goes from 0 to 2*Pi for a full circle. In the example the scalar param is set up to be in an easy to understand range of 0..1.

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answered Jan 11 '19 at 11:30 AM

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avatar image Tuerer Jan 11 '19 at 12:02 PM

Custom Rotator would do a better job, because palpating for that time value is excruciating. Just add a Custom Rotator and set its value to -0.125.

avatar image ZoltanE Jan 11 '19 at 12:33 PM

Fair enough, here is a version for degrees as input which is indeed easier to work with:
alt text

avatar image Regentlord Jan 12 '19 at 12:32 AM

This looks like what I need, but when I try to put it in like you did it it just gives me a solid white output. alt text

rotator.png (137.3 kB)
avatar image ZoltanE Jan 12 '19 at 07:13 AM

Oh, the values for ConstantBiasScale are -0.5 and 2.

avatar image Regentlord Jan 12 '19 at 09:26 AM

Perfect, thank you!

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