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In 2022, I introduced you to James Brown<\/a>, the Weta Workshop graphics engineer whose hobby is building amazing displays. Now, he\u2019s built a crystal ball filled with shimmering, spinning volumetric light \u2014 and of course he\u2019s playing Doom<\/em> on it. <\/p>\n<\/div>\n But not just any Doom<\/em>. Voxel Doom<\/a>, where every dot of the game\u2019s graphics lives in 3D space<\/a>, just like the dots of the volumetric display he\u2019s created. <\/p>\n<\/div>\n As he explains on YouTube, the physical illusion is fairly simple: \u201cIt\u2019s like a hologram fan, but instead of spinning a 1D strip to make a 2D image, it spins a 2D panel to make a 3D image.\u201d On his Mastodon, he breaks it down a bit more with visual aids<\/a>: <\/p>\n<\/div>\n Brown\u2019s been working on this for over a year now: if I\u2019m not mistaken, he introduced the project in August 2023 by channeling his inner Doc Brown<\/a>, saying \u201cIf my calculations are correct, when this baby hits 300rpm you\u2019re going to see some serious shit.\u201d But he\u2019s since discovered it needs to spin a good bit faster than that for a smooth image, particularly when he\u2019s trying to film it. So keep your fingers away.<\/p>\n<\/div>\n