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"CUBES.IG" is a great example of Steve Turnbull's IGS work.The animation begins with five cubes rotating in different directions, and a cascade of sound effects. https://breakintochat.com/blog/2024/08/22/instant-graphics-and-sound-part-4-the-artist-and-the-community/Then he used IGS' loop command to paint a trippy moiré background by repeatedly drawing lines. Needless to say, you couldn't see or hear anything quite like this on other BBSes in 1990.#atari #atarist #dev #gamedev #retrocomputing #vintagecomputing #computers #textmode #textart #history #bbs #bbsing #igs