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The maker of ray traced versions of Serious Sam, Doom, and Quake - Sultim Tsyrendashiev - returns with a fully path-traced upgrade to the classic Half-Life, a free mod for owners of the game. So how does it work, and what makes the original game such a suitable candidate for a full RT upgrade? Alex Battaglia gets to grips with the mod. 00:00:00 Introduction 00:01:18 How to get the mod 00:02:25 Why Path Tracing works with Half-Life 00:05:08 Direct Lighting 00:07:08 Global Illumination & Emissive Lighting 00:10:33 Added Reflections & Materials 00:14:25 Added Volumetric Lighting & Configurability 00:17:00 Performance and IQ Considerations 00:19:38 Conclusion Join the DF Supporter Program for pristine video downloads, behind the scenes content, early access to DF Retro, early access to DF Direct Weekly and much, much more: Subscribe for more Digital Foundry: Want some DF-branded tee-shirts, mugs, hoodi
