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