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fd0741f5-430c-46ad-914d-7bf…/src/components/background/AnimatedGridBackground.tsx
vitalijmulika 864010d8f1 Initial commit
2025-12-11 18:23:48 +02:00

112 lines
3.1 KiB
TypeScript

"use client";
import { memo, useEffect, useId, useRef, useState } from "react";
import { motion } from "framer-motion";
import { cls } from "@/lib/utils";
interface AnimatedGridBackgroundProps {
className?: string;
squareSize?: number;
numSquares?: number;
maxOpacity?: number;
perspectiveThreeD?: boolean;
}
const AnimatedGridBackground = ({
className = "",
squareSize = 100,
numSquares = 50,
maxOpacity = 0.15,
perspectiveThreeD = true,
}: AnimatedGridBackgroundProps) => {
const id = useId();
const containerRef = useRef<HTMLDivElement>(null);
const [dimensions, setDimensions] = useState({ width: 0, height: 0 });
const [squares, setSquares] = useState<Array<{ id: number; pos: [number, number] }>>([]);
useEffect(() => {
if (containerRef.current) {
const { width, height } = containerRef.current.getBoundingClientRect();
setDimensions({ width, height });
}
}, []);
useEffect(() => {
if (dimensions.width && dimensions.height) {
const cols = Math.ceil(dimensions.width / squareSize);
const rows = Math.ceil(dimensions.height / squareSize);
const newSquares = Array.from({ length: numSquares }, (_, i) => ({
id: i,
pos: [
Math.floor(Math.random() * cols),
Math.floor(Math.random() * rows),
] as [number, number],
}));
setSquares(newSquares);
}
}, [dimensions, squareSize, numSquares]);
return (
<div
ref={containerRef}
className={cls(
"fixed inset-0 -z-10 overflow-hidden [mask-image:radial-gradient(circle_at_center,white_0%,transparent_90%)]",
perspectiveThreeD && "inset-x-0 inset-y-[-30%] h-[200%] skew-y-12",
className
)}
aria-hidden="true"
>
<svg
width="100%"
height="100%"
xmlns="http://www.w3.org/2000/svg"
>
<defs>
<pattern
id={`grid-${id}`}
width={squareSize}
height={squareSize}
patternUnits="userSpaceOnUse"
>
<path
d={`M ${squareSize} 0 L 0 0 0 ${squareSize}`}
fill="none"
stroke="currentColor"
strokeWidth="1"
className="text-accent/20"
/>
</pattern>
</defs>
<rect width="100%" height="100%" fill={`url(#grid-${id})`} />
{squares.map(({ id, pos: [x, y] }) => (
<motion.rect
key={id}
initial={{ opacity: 0 }}
animate={{
opacity: [0, maxOpacity, 0],
}}
transition={{
duration: Math.random() * 2 + 2,
repeat: Infinity,
delay: Math.random() * 2,
ease: "easeInOut",
}}
x={x * squareSize}
y={y * squareSize}
width={squareSize}
height={squareSize}
fill="var(--color-background-accent)"
strokeWidth="0"
/>
))}
</svg>
</div>
);
};
AnimatedGridBackground.displayName = "AnimatedGridBackground";
export default memo(AnimatedGridBackground);