pointerpointer.com's use of voronoi, canvas, and javascript

Paul Irish explained the basics of how it works here: ▶ this video I wonder if you could create something similar nowadays using generative AI but with the finger in a very specific location without pregenerating thousands of images.

Here's a picture of all the different regions: link For those curious if how it works, Paul Irish did a breakdown of it quite a while ago: ▶ this video TL:DW - Vornoi Diagrams[1] and manual tagging, no machine learning needed. [1] link

I made a quick video explaining how the webapp works: ▶ this video Essentially, using the gridPositions.json to populate a Voronoi Grid (toggle display of the <canvas> in your browser). Then your cursor position is used against the grid to find which shape encloses it which maps back to the source JPEG which is then displayed.