Half-Life: Alyx's lights flicker just like they did in Quake, almost 25 years later | PC Gamer - silvafromescon
Fractional-Living: Alyx's lights flicker just like they did in Quake, almost 25 years later

In stake development, it's important to pick out when not to reinvent the wheel. And so, 25 eld afterwards Id first lit Quake's soiled hallways with blinking lights, we ending upwards with the fluorescent lamps of Half-Life Alyx's City 17 flickering in exactly the same way.
To clarify, this ISN't just a similar effect. Spotted by redditor AliYil, the unsteady lights in Half-Life: Alyx operate identically to how they did back in the original 1998 Half-Spirit—two Major railway locomotive changes and 22 age advanced.
In Source—and, evidently, both GoldSrc and Source 2—lights have a set list of properties that can be fiddled with in-editor. The flickering in controlled via a string of letters from A to Z (with A being pitch black and Z being full luminance). By dynamical this string out, lights can be made to emulate a candle unsteady, a balmy LED heart rate, or as incontestible, a harsh, broken colourful lamp.
E.g., a wax light mightiness practice the chain "nmonqnmomnmomomno", whereas this particular gist is generated with "mmamammmmammamamaaamammma".
Valve reusing code from Half-Life 1 is one thing. But the developer's engine has its own roots in Id Software's landmark Quake engine. Lo and behold, it turned out this method acting of breaking lights may have started with John Carmack's locomotive engine—but with decades of 2D games preceding it, IT's more than possible this proficiency goes back true advance.
We're accustomed seeing developers talk about taking huge, technically impressive steps forwards, especially when it comes to something as complex as lighting. Even soh, it's sometimes nice to see that even later decades of pass on, a simple trick can still go the bill.
This story has been updated to credit the original poster of the first comparison gif.
Source: https://www.pcgamer.com/half-life-alyxs-lights-flicker-just-like-they-did-in-quake-almost-25-years-later/
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