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Brilliant builds its math and coding tutor Koji with Rive

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44,590 views • 3 months ago •via X (Twitter)

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last week we launched Koji, Brilliant.org 's math and coding tutor. one of my favorite little design details is a dynamic glow effect that visually indicates when Koji is talking. to make it happen, we wrote a script to databind the audio waveform of Koji's voice, then built a preview environment that allowed us to fine-tune the effect before handing off to developers. you can read more about the process below
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