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Most of the interiors of the buildings in Watch_Dogs can’t be visited, but when you’ll look at them from the outside you’ll actually see them through the windows. You can see the effect in the animations below.


[video]https://gfycat.com/SandyAnyClownanemonefish[/video]

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What many don’t know is that those interiors actually aren’t there, or better, they aren’t rendered in 3D, but use a visual technique based on a real-time reflection shader called Interior Mapping. A few other games used it in the past, but never with this level of fidelity and this extensively.

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What’s most important is that it’s a large step forward in immersion and visual quality compared to the flat textures windows we see in many games, giving the city a much more realistic look with an almost negligible impact on performance.





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