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This app is a visually engaging animation that simulates a "Matrix Rain" effect using Japanese characters, including Katakana, Hiragana, and some Kanji. The primary function of the app is to create a dynamic canvas display where characters fall from the top of the screen, influenced by the user's mouse movements. To use the app, simply open it in a web browser. The animation will automatically start, filling the screen with falling characters. As you move your mouse around, the colors of the characters will change based on their proximity to the cursor, creating an interactive experience. The app is built using TypeScript and React, leveraging the capabilities of the HTML5 canvas for rendering the animation. It utilizes React hooks such as useEffect and useRef to manage the animation lifecycle, mouse tracking, and canvas dimensions. The character data is stored in an array, and random characters are selected to create the falling drops. Key features of the app include: - A full-screen canvas that adapts to window resizing. - A collection of Japanese characters that fall in a visually appealing manner. - Interactive color changes based on mouse position, enhancing user engagement. - Smooth animation achieved through the requestAnimationFrame API, ensuring performance efficiency. Overall, this app serves as both an artistic display and an interactive experience, showcasing the beauty of Japanese characters in a modern web application.