Mask Text

import { useEffect } from "react";
 
export function useMousePosition(
  ref: React.RefObject<HTMLElement>,
  callback?: ({ x, y }: { x: number; y: number }) => void,
) {
  useEffect(() => {
    const handleMouseMove = (event: MouseEvent) => {
      const { clientX, clientY } = event;
      const { top, left } = ref.current?.getBoundingClientRect() || {
        top: 0,
        left: 0,
      };
 
      callback?.({ x: clientX - left, y: clientY - top });
    };
 
    const handleTouchMove = (event: TouchEvent) => {
      const { clientX, clientY } = event.touches[0];
      const { top, left } = ref.current?.getBoundingClientRect() || {
        top: 0,
        left: 0,
      };
 
      callback?.({ x: clientX - left, y: clientY - top });
    };
 
    ref.current?.addEventListener("mousemove", handleMouseMove);
    ref.current?.addEventListener("touchmove", handleTouchMove);
 
    const nodeRef = ref.current;
    return () => {
      nodeRef?.removeEventListener("mousemove", handleMouseMove);
      nodeRef?.removeEventListener("touchmove", handleTouchMove);
    };
  }, [ref, callback]);
}

<svg width="381" height="375" viewBox="0 0 381 375" fill="none" xmlns="http://www.w3.org/2000/svg">
<path d="M348.09 76.7203C406.366 159.961 382.965 276.897 295.822 337.905C208.679 398.913 90.7934 380.89 32.5176 297.649C-25.7581 214.409 -2.35664 97.4724 84.7864 36.4645C171.929 -24.5433 289.815 -6.52023 348.09 76.7203Z" fill="#AA1C1C"/>
</svg>

theme: {
    extend: {
     colors: {
        foreground: "hsl(var(--foreground))",
     }
    },
  },

mkdir -p components/animata/text && touch components/animata/text/mask-text.tsx

"use client";
 
import { useRef, useState } from "react";
import { motion } from "framer-motion";
 
import { useMousePosition } from "@/hooks/use-mouse-position";
import { cn } from "@/lib/utils";
 
interface MaskTextProps extends React.HTMLAttributes<HTMLDivElement> {
  revealText: string;
  originalText: React.ReactNode | string;
}
export default function MaskText({
  revealText = "Hello World!",
  originalText = "Bye World!",
  className,
}: MaskTextProps) {
  const [isHovered, setIsHovered] = useState(false);
  const containerRef = useRef<HTMLDivElement>(null);
  const [{ x, y }, setMousePosition] = useState({ x: 0, y: 0 });
  useMousePosition(containerRef, setMousePosition);
  const size = isHovered ? 500 : 50;
 
  const common =
    "flex h-full w-full items-center justify-center text-5xl font-bold leading-snug text-foreground";
 
  return (
    <div className={cn("relative h-screen", className)} ref={containerRef}>
      <motion.div
        className={cn(common, "absolute bg-black")}
        style={{
          maskImage: "url(/circle.svg)",
          maskRepeat: "no-repeat",
          maskSize: "50px",
        }}
        animate={{
          WebkitMaskPosition: `${x - size / 2}px ${y - size / 2}px`,
          WebkitMaskSize: `${size}px`,
        }}
        transition={{ type: "tween", ease: "backOut", duration: 0.5 }}
      >
        <p
          onMouseEnter={() => {
            setIsHovered(true);
          }}
          onMouseLeave={() => {
            setIsHovered(false);
          }}
        >
          {revealText}
        </p>
      </motion.div>
 
      <div className={common}>{originalText}</div>
    </div>
  );
}