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Cake day: July 13th, 2023

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  • Graphics are, like it or not, the main thing the majority of people look for first when they go to buy a game, and raytracing is a ridiculously easy way to achieve that in comparison to the time and skill required to elevate traditional lighting to that same level of beauty. PS5 and XSX both support raytracing, and PC graphics cards that don’t are coming up on 10 years old at this point.

    Any AAA developer is going to see those two facts, that it’s way cheaper and runs on most of the market’s hardware, and abandon development work on traditional lighting. Indiana Jones and the Great Circle is RT-only, and it was a huge success.

    DLSS is in a similar boat - it reduces the need to spend time and money on optimization.

    Now, let me be clear, I lament both of these facts. I think raytracing looks gorgeous, and DLSS is usually a nice performance boost for minimal tradeoff, but I don’t think every game should look photorealistic, and some games just don’t look good with DLSS on. What I’m saying is they both make game development cheaper and faster for very little relative downside, so I wouldnt be surprised if all AAA games required raytracing within the next few years.













  • In a physical medium, it’s way cheaper and easier to make light color thing dark than make a dark colored thing light. “Dark mode” books would require dyeing each sheet black, then painting the text on top of each sheet, rather than what is currently done, where we bleach each sheet white, then dye the text into each sheet.

    Somewhat related - this is why printers use CMYK, rather than RGB. Computer screens use pure light, so they simply emit whatever combination of light they need to, and your eyes add them together. In a physical medium, however, what we see is based on what is reflected, i.e. not absorbed. Hence, each color of ink, in additive terms, is two colors together (cyan is green+blue, magenta is red+blue, etc). When you combine CMYK colors, you can precisely control what wavelengths of light are being absorbed in order to reflect the correct color.