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A circle follows the mouse cursor within an SVG canvas, responding to every movement by updating its center coordinates. This example uses React’s `useState` to track the pointer position and D3’s `arc` (though not directly applied), with the SVG’s `onMouseMove` event triggering a state update that repositions the circle. The visualization runs inside an HTML page that imports React and D3 via CDN, rendering through `ReactDOM.render`.
AI-generated descriptionA program that follows your mouse with a circle.
MIT Licensed