Fork of Smiley Face Part II
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A smiley face follows the mouse cursor across the screen, redrawing its position on every mouse move and click. Built with React 16.9 and rendered as SVG, the face uses two offset eye circles and a yellow head whose radius grows with the vertical cursor position. The `React.useState` hook tracks the center coordinates, while `React.useCallback` handles the mouse-move event, passing client coordinates to update the SVG transform group.
AI-generated descriptionSmiley face implementation with React.
MIT Licensed