Fork of Mouse Follower

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Fork of Mouse Follower

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Last edited Apr 16, 2022

Created on Apr 15, 2022

A React application renders an SVG circle that follows the mouse cursor across a 960×500 canvas. Using the `useState` and `useCallback` hooks, it initializes the mouse position to the center of the screen, then updates the circle’s `cx` and `cy` attributes on each `mousemove` event. The `handleMouseMove` callback reads `clientX` and `clientY` from the event object and sets new state, triggering a re-render. The circle has a fixed radius of 30 pixels, and the SVG responds to pointer movement anywhere in the viewport.

AI-generated description

A program that follows your mouse with a circle.

When this code runs we have the initial mouse position to be a object of propertes x and y. the first time this app is render we pass in initial mouse position to use stae, that initialetes state value. we take mouse posotivion to define cx and cy. the mousemove event is register with a come back function named handlemousemove

the event object uses it. then we make a new state object and we pass it to setmpouseposition

when we invoke setmouseposotion our state chnages and the app is re-render

usecalback, wrap the definition inside first argument, the function second, an array of thngs this function needs to run

MIT Licensed

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