Files
Tarokka/components/TiltCard.tsx
2025-07-04 13:59:57 -04:00

90 lines
2.0 KiB
TypeScript

import { useEffect, useRef, useState } from 'react';
import { useAppContext } from '@/app/AppContext';
import { throttle, validTilt } from '@/tools';
import { thirtyFPS } from '@/constants/time';
import type { Tilt } from '@/types';
const ZERO_ROTATION = 'rotateX(0deg) rotateY(0deg)';
export default function TiltCard({
children,
cardIndex,
className = '',
}: {
children: React.ReactNode;
cardIndex: number;
className?: string;
}) {
const cardRef = useRef<HTMLDivElement>(null);
const [untilt, setUntilt] = useState(false);
const { settings, tilts, setLocalTilt } = useAppContext();
useEffect(() => {
const card = cardRef.current;
if (!card) return;
const tilt = tilts[cardIndex];
if (validTilt(tilt)) {
setUntilt(false);
card.style.transform = `rotateX(${tilt.rotateX}deg) rotateY(${tilt.rotateY}deg)`;
} else {
setUntilt(true);
}
}, [tilts]);
useEffect(() => {
const card = cardRef.current;
if (!card || !untilt) return;
card.style.transform = ZERO_ROTATION;
}, [untilt]);
const handleMouseMove = throttle((e: React.MouseEvent) => {
const card = cardRef.current;
if (!card) return;
const rect = card.getBoundingClientRect();
const x = e.clientX - rect.left;
const y = e.clientY - rect.top;
const centerX = rect.width / 2;
const centerY = rect.height / 2;
const rotateX = ((y - centerY) / centerY) * -20;
const rotateY = ((x - centerX) / centerX) * 20;
const percentX = x / rect.width;
const percentY = y / rect.height;
const newTilt: Tilt[] = [];
newTilt[cardIndex] = {
percentX,
percentY,
rotateX,
rotateY,
};
setLocalTilt(newTilt);
}, thirtyFPS);
const handleMouseLeave = () => {
setLocalTilt([]);
};
return (
<div
className={`group ${className}`}
onMouseMove={settings.tilt ? handleMouseMove : undefined}
onMouseLeave={handleMouseLeave}
>
<div
ref={cardRef}
onAnimationEnd={() => setUntilt(false)}
className={`h-full w-full transition-transform ${untilt ? 'duration-500' : 'duration-0'}`}
>
{children}
</div>
</div>
);
}