Mouse Follower

Mouse Follower

A React component renders an SVG circle that follows the mouse cursor across a 960-by-500 viewport. The app uses React's `useState` and `useCallback` hooks to track mouse coordinates from the `onMouseMove` event, passing the updated position to the circle's `cx` and `cy` attributes. The visualization demonstrates basic event handling and state-driven SVG rendering in React.

JJasmine Ye Han

Mouse Follower

A React application renders an SVG circle that follows the mouse cursor across a 960 by 500 pixel canvas. The circle's position updates in real-time via React state and the `onMouseMove` event handler, reading the cursor's `clientX` and `clientY` coordinates. When the mouse leaves the SVG area, the circle returns to its initial centered position through the `onMouseLeave` handler. React 16.9's `useState` and `useCallback` hooks manage the state updates efficiently.

NNelson M

Mouse Follower

A React application renders an SVG circle that follows the mouse cursor across a 960-by-500 viewport. The component tracks pointer coordinates via the `onMouseMove` event handler, updating React state with the client X and Y positions, which are then bound to the circle's `cx` and `cy` attributes. The visualization demonstrates real-time state-driven SVG manipulation using React hooks (`useState`, `useCallback`) and ReactDOM, with no external data source or animation library.

PPaulo Dandrea

Mouse Follower

A React component renders an SVG circle that tracks the mouse position across a 960 by 500 viewport. The app uses the `useState` hook to store the current cursor coordinates and the `useCallback` hook to handle the `onMouseMove` event on the SVG element. As the pointer moves, the circle’s `cx` and `cy` attributes update reactively via `setMousePosition`, with a fixed radius of 30 pixels. The interaction is purely client-side, with no external data.

Jjamesc4

Mouse Follower

A React component renders an SVG circle that follows the mouse cursor across the full browser window. The circle's position updates continuously through React state and the onMouseMove event handler, using useState and useCallback hooks. The SVG viewport matches the window dimensions, and the circle starts at the center before responding to pointer movements.

AAndy Chang

Mouse Follower

A React application renders an SVG circle that follows the mouse cursor across a 960x500 coordinate space, updating its position in real time. The component uses the `useState` hook to track mouse coordinates and the `useCallback` hook to handle `onMouseMove` events, reading `clientX` and `clientY` from the event object. ReactDOM mounts the component to the DOM, and the circle's `cx` and `cy` attributes are set to the updated position, with a fixed radius of 30 pixels. The circle starts centered at the initial position (480, 250).

CCaro Arriaga

Mouse Follower

A React application renders a single SVG circle that follows the mouse cursor across the full browser window. The component tracks pointer coordinates via React's `useState` and `useCallback` hooks, updating the circle's `cx` and `cy` attributes on every `onMouseMove` event. The viewport dimensions come from `window.innerWidth` and `window.innerHeight`, with the circle initially centered before the first mouse movement. The example demonstrates reactive state-driven SVG updates in a React 16.9 environment.

SShmuel Leider

Mouse Follower

A React application renders an SVG circle that follows the mouse cursor across a 960-by-500 canvas. The circle’s position updates via React’s `useState` and `useCallback` hooks, triggered by the SVG’s `onMouseMove` event, which passes `clientX` and `clientY` coordinates. The circle starts at the center and moves smoothly with pointer movement, demonstrating reactive state-driven rendering without any external data source.

ZZach Herwitz