Version of original tutorial without timelapses for easier following.
If you want to make LOD system in geometry node, you'd need a way to find distance to camera and use it as mask for selection, this tutorial is just about how to make that mask i a way that allows you to have any number of LODs.
FInd demo files here: https://www.patreon.com/posts/camera-distance-89750124
Patreon: https://www.patreon.com/John_Satan
Buymeacoffee: https://www.buymeacoffee.com/JohnSatan
timecodes:
00:00 Preparations
00:20 Basic mask setup
03:11 Adding distortion to mask
04:42 Turning mask setup into one node
06:50 Combining multiple masks
08:03 Making chainable node
10:48 Finished node demonstration
11:32 Making simple LOD system