About a month ago, a visual effects developer at Valve shared details about the then-new Half-Life: Alyx booze shader – since then, indie devs have been designing their own versions.
Valve visual effects developer Matthew Wilde originally shared his Half-Life: Alyx booze shader on Twitter, which is one of many updates that have been added to Alyx since it launched back in March.
Check out the tweet below.
Spent a good chunk of lock-down doing this important work. Boozy liquid shader, now available in the latest update for Half-Life: Alyx pic.twitter.com/Iw9h98pmEg
— Matthew Wilde (@skilful) May 28, 2020
“Spent a good chunk of lock-down doing this important work,” writes Wilde. “Boozy liquid shader, now available in the latest update for Half-Life: Alyx.
You can check out the Half-Life: Alyx booze shader below. Essentially, it adds liquid to bottles, which abides by the laws of physics that would govern real liquids in real containers. It’s pretty cool.
What’s even cooler, though, is that a variety of devs are trying their hands at their own booze shaders. Seems the construction of virtual boozy liquids has become a lockdown hobby for more than one person.
There’s this one.
— Toro P (@toromlo) June 7, 2020
And this one.
I've been trying to reproduce the liquid shader from Halflife Alyx in unity for the past few days. Not as good as the original, but happy with the result anyway.
Here is the original : https://t.co/OAQ3zLNwMR#madewithunity #shaders #VFX #gamedev pic.twitter.com/ovwEakZnVd
— Sylvain Guerrero (@Zylvaingue) June 7, 2020
And this one.
— Lewis Gavin (@GavLaaaaaaaa) June 20, 2020
And, finally, this one.
Our new video is out! Driven by the HalfLife #Alyx liquid bottle "mania", we've created our custom version of the shader.https://t.co/ENHCXLhVnU#madewithunity #unity3d #tntc #indiedev #gamedev pic.twitter.com/JOqIOTe7BP
— ToughNutToCrack (@tntcproject) June 19, 2020
There are actually loads more, but these were the four collected in a ResetEra thread that drew attention to the phenomenon.
I personally reckon this one is pretty great, because it properly accounts for how a liquid would flow when poured out. Not sure I’d be mad about drinking that green stuff, though. Probably some sort of potion, or maybe Absinthe — maybe both.
After seeing the cool physics wine from #Alyx I added object forces to my raymarched liquid glass, and also made it so you can pour out the fluid. Liquid is driven by an FInterpTo; no physics, all analytical except for the #Niagara particles at the end. #UE4 #UE5 #realtimeVFX pic.twitter.com/7dT4LpmUWc
— Ryan Brucks (@ShaderBits) June 5, 2020
According to Valve, Half-Life: Alyx is the first of several more Half-Life games. It doesn’t come as much of a surprise, though, given that Valve sold 103,000 Valve Index units after Half-Life: Alyx was announced back in November.
You don’t necessarily need an Index though. One player managed to play through most of Half-Life: Alyx without using VR, and a full mod for non-VR Half-Life: Alyx has been released since.