Most GC games use 4 texture layers, while Factor 5 doubled it to 8 texture layers for RS. The team also talked about the texture mapping in a video I'd watched today. He also talks about it being one of the only titles on that generation of hardware to use Global Illumination, which would go against what Rusty was calling fake (texture mapped) lighting. Each level had it's lighting pre-calculated by a network of computers at Sonic Team where it supposedly took days to calculate all the lighting for each level.Īccording to Julian Eggebrache, in an article about Rogue Squadron in Retro Gamer issue 168, Rogue Leader is using Normal Mapping, not Bump Mapping. However that's all pre-calculated lighting. Sonic Unleashed is a good example of that:Īs you can see it looks really nice and convincing.
That said, it can be faked and be extremely convincing.
Not even Xbox 360 or PS3 were able to do real global illumination last I checked. Most GC games use 4 texture layers, while Factor 5 doubled it to 8 texture layers for RS.So, I'm going to call BS on that because that's something that's very hard to do. According to Julian Eggebrache, in an article about Rogue Squadron in Retro Gamer issue 168, Rogue Leader is using Normal Mapping, not Bump Mapping.
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