{"version":"1.0","type":"rich","title":"Fork of Mouse Follower","description":"A circle follows the mouse cursor across a full-screen SVG canvas, updating its position through a unidirectional state flow. The `viz.js` module listens for `mousemove` events on the SVG and calls `setState` to store the cursor’s x and y coordinates, which are then passed back as props to re-render the circle’s `cx` and `cy` attributes. Using D3 v7’s `select` and data joins, the code binds a single circle element to the state, demonstrating a simple reactive pattern where the view is a pure function of the current state.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"","width":960,"height":500,"cache_age":3600}