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UV animation, ocean waves

Hello guys, I'm trying to animate uv, but with different speed and direction, I've tried with panner but I did't found a way to change speed and direction, I was thinking if there is a way to animate the vector parameter for its speed from 0.1 to -0.1 for example and loop it.

Here is a video that I've made In 3dsmax to show you what I'm looking for :


Thanks in advance

Product Version: UE 4.15
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asked Jul 16 '17 at 01:00 PM in Rendering

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1 answer: sort voted first

Sine is the way to go if you want to animate in a oscillating way. Sine oscillates between -1 and 1, compensate this by multiplying sine with 0.5 and add 0.5 to the result. Now you have a sine between 0 and 1.

Use this Value as an Alpha in a Lerp/LinearInterpolate Node.

The A and B input of the Lerp Node are your UV Coordinates. The First Input is the Start UV, the B input is the second UV (a shifted UV for example) alt text

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answered Jul 16 '17 at 06:32 PM

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avatar image Tonzy Jul 16 '17 at 07:07 PM

Thanks for the fast respond man! I think this is exactly what I was looking for. You are amazing !

avatar image Raildex_ Jul 16 '17 at 08:27 PM

Don't forget to upvote and mark the answer as solved :)

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