Turning brush strokes into polygons is fun, but what does a regular dab-style brush engine look like in the browser? brush-engine.vercel.app
This is a *much* easier problem than creating pressure-sensitive stroke polygons. All we do is repeat a texture (in this case, a circle) at a regular distances along a line, with the pressure (real or simulated) determining the size of the texture.
This is how apps like Photoshop or Procreate work. There's some interpolation between points in order to fill in the blank spaces—and you can use a lot more data to determine the texture's size, skew, opacity, etc—but that's the general idea.
The process normally produces a raster, but we may have better luck here in 3D-as-2D-land (I'm using @PixiJS for this demo), where we have more options to play around with geometry after the fact.
Quick evening experiment, lots more to explore.
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