112 lines
2.6 KiB
TypeScript
112 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 from '@/tools/throttle';
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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 {
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gameData,
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settings: { tilt, remoteTilt },
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setTilt,
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tilt: localTilts,
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} = 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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if (tilt) {
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const rotateX = localTilts[cardIndex]?.rotateX || 0;
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const rotateY = localTilts[cardIndex]?.rotateY || 0;
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const tilts = remoteTilt
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? [...gameData.tilts[cardIndex], { rotateX, rotateY }]
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: [{ rotateX, rotateY }];
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const { totalX, totalY, count } = tilts
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.filter(({ rotateX, rotateY }) => !!rotateX && !!rotateY)
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.reduce(
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({ totalX, totalY, count }, { rotateX, rotateY }) => ({
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totalX: totalX + rotateX,
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totalY: totalY + rotateY,
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count: ++count,
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}),
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{ totalX: 0, totalY: 0, count: 0 },
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);
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if (count && (totalX || totalY)) {
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setUntilt(false);
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const x = totalX / count;
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const y = totalY / count;
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card.style.transform = `rotateX(${x}deg) rotateY(${y}deg)`;
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} else {
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setUntilt(true);
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}
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} else if (card.style.transform !== ZERO_ROTATION) {
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setUntilt(true);
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}
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}, [tilt, localTilts, gameData]);
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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 handleMouseMove = throttle((e: React.MouseEvent) => {
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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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const x = e.clientX - rect.left;
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const y = e.clientY - 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 newTilt: Tilt[] = [];
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newTilt[cardIndex] = { rotateX, rotateY };
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setTilt(newTilt);
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}, thirtyFPS);
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const handleMouseLeave = () => {
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setTilt([]);
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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={tilt ? handleMouseMove : undefined}
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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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