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Towards the end of Wim Wenders’s excellent Perfect Days , the protagonist Hirayama is drinking beer under a bridge after he has seen a Businessman courting his crush. Suddenly the Businessman joins him under the bridge. As it turns out, things aren’t actually that simple but the point is their conversation takes them…
Let’s say you’re writing an image processing program. The program takes in an image, converts it to floating point, does some processing and finally saves the modified pixels to disk as 8-bit colors. The question today concerns how exactly the integer-to-float conversion should be done. There are two approaches which…
It has baked lighting with normal mapping and real-time specular shading, ahem, well sort of. More on that later. The beautiful song was made by noby with guitar performed by Moloko ( https://soundcloud.com/sou_andrade ).
Ever wanted to know how exactly did Quake’s precomputed visibility work? I did, so I wrote vis.py , a reimplementation of their algorithm in Python. This guide has all the information you need to understand vis , the tool used by Quake, Half-Life and Source Engine games.
Previously in How to present MS-DOS screenshots , I encouraged readers to take the original pixel aspect ratio into account when showing pictures of old games. There’s also a subtler issue to consider: the blur analog display systems had.
So here’s a well-known optimization trick that also tells you a bit about how GPUs work.