Tech Focus: Global Illumination - What It Is, How Does It Work And Why Do We Need It?
Welcome to a brand new Tech Focus! In this video, delivered with early access to DF Supporter Program backers, Alex goes into depth of Global Illumination - or GI. What is it, how does it work, what are the implementations with rasterisation and ray tracing?
00:00 - Introduction
01:13 - Part I - Theory: "What is Global Illumination?"
04:33 - Part I - Theory: "How does ray tracing simulate lighting?"
06:45 - Part I - Theory: "How does rasterisation emulate lighting?"
10:42 - Part 2 - Technique: "Lightmaps"
17:14 - Part 2 - Technique: "Ambient Colour"
19:54 - Part 2 - Technique: "Image-based Lighting with Cubemaps"
27:30 - Part 3 - Technique: "Probe-based Indirect Lighting"
32:21 - Part 4 - Conclusion
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Видео Tech Focus: Global Illumination - What It Is, How Does It Work And Why Do We Need It? канала Digital Foundry
00:00 - Introduction
01:13 - Part I - Theory: "What is Global Illumination?"
04:33 - Part I - Theory: "How does ray tracing simulate lighting?"
06:45 - Part I - Theory: "How does rasterisation emulate lighting?"
10:42 - Part 2 - Technique: "Lightmaps"
17:14 - Part 2 - Technique: "Ambient Colour"
19:54 - Part 2 - Technique: "Image-based Lighting with Cubemaps"
27:30 - Part 3 - Technique: "Probe-based Indirect Lighting"
32:21 - Part 4 - Conclusion
Join the DF Patreon for pristine video downloads, behind the scenes content, early access to DF Retro, early access to DF Direct Weekly and much, much more: https://bit.ly/3jEGjvx
Subscribe for more Digital Foundry: http://bit.ly/DFSubscribe
Want some DF-branded tee-shirts, mugs, hoodies or pullovers? Check out our store: https://bit.ly/2BqRTt0
Видео Tech Focus: Global Illumination - What It Is, How Does It Work And Why Do We Need It? канала Digital Foundry
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