[Tutorial] How to create moving, customizable and randomized grain in Lens Studio

Many of you have seen Bryant's grain in his lenses that move which I assume is a gif. Now the downside to a gif is that it loops and takes up a decent amount of storage in your lens which could be used for other things. So I wanted to share with the community how I was able to make a moving, fully customizable, and randomized grain overlay!

The first thing you want to do is add a graph empty in your resources panel, from there click on the material editor panel. Then using the tab key create and connect the nodes in the way the photo below shows. Each node plays an important role in creating the grain. The screen UV coord node grabs the coords of the current surface which in our case will be our screen. This then feeds into the scroll coords node which scrolls the coords over time. Connect this to the simplex noise will create random values using simplex noise. Connect a float parameter to the scale input to be able to scale our grain to the desired size. Connecting these nodes to our shader completes our graph!

Once the graph is complete create a screen image and set the stretch mode to fill. Then drag and drop the new material that we just created (our graph empty if you didn't rename it) over the screen image's normal material. Set the blend mode to multiply and bam you have moving grain! In order to change the size/scale of your grain double click on your material and you should see an empty box under Graph parameters in you inspector panel. You can change this number to whatever you would like to make your grain bigger or more fine. The perfect amount for me is 300. If you were unable to follow the tutorial I have also linked my website below if you would like to download the material!

https://www.rshields88.com/files

Feel Free to check out my new YT channel here: http://youtube.com/c/RyanShields88

Alexander Saint

Official Lens Creator Lens Studio Team

July 08, 2020 12:15

You're a legend for this, thanks.

ethanprimmer

July 20, 2020 00:02

My man Ryan +1

Celina Fregoso

August 05, 2020 08:45

Legend, Thank you so much

UAEpro

September 08, 2020 17:43

That's awesome, good luck

top_x2

September 12, 2020 15:56

good luck,Thank you so much

pratcc

October 06, 2020 14:57

Thank you so much , keep more of them coming !

SirQu3ntin

December 27, 2020 12:10

Great tutorial!

Robbie4365

January 07, 2021 08:53

Shawn Eddy

January 12, 2021 19:22

Love this. Amazing.

[Tutorial] How to create moving, customizable and randomized grain in Lens Studio

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