86 lines
2.1 KiB
TypeScript
86 lines
2.1 KiB
TypeScript
import { useEffect, useRef, useState } from 'react';
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import { useAppContext } from '@/app/AppContext';
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const tiltSheen = (sheen: HTMLDivElement, x: number, y: number) => {
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const rect = sheen.getBoundingClientRect();
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const sheenX = rect.width - x * rect.width;
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const sheenY = rect.height - y * rect.height;
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sheen.style.opacity = '1';
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sheen.style.backgroundImage = `
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radial-gradient(
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circle at
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${sheenX}px ${sheenY}px,
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#ffffff44,
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#0000000f
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)
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`;
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};
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export default function Sheen({ cardIndex, className }: { cardIndex: number; className?: string }) {
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const sheenRef = 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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tilt: localTilts,
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} = useAppContext();
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useEffect(() => {
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const sheen = sheenRef.current;
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if (!sheen) return;
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if (tilt) {
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const percentX = localTilts[cardIndex]?.percentX || -1;
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const percentY = localTilts[cardIndex]?.percentY || -1;
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const percentages = remoteTilt
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? [...gameData.tilts[cardIndex], { percentX, percentY }]
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: [{ percentX, percentY }];
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const { totalX, totalY, count } = percentages
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.filter(({ percentX, percentY }) => percentX >= 0 && percentY >= 0)
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.reduce(
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({ totalX, totalY, count }, { percentX, percentY }) => ({
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totalX: totalX + percentX,
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totalY: totalY + percentY,
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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 >= 0 && totalY >= 0) {
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const x = totalX / count;
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const y = totalY / count;
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tiltSheen(sheen, x, y);
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setUntilt(false);
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} else {
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setUntilt(true);
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}
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} else {
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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 sheen = sheenRef.current;
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if (!sheen || !untilt) return;
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sheen.style.opacity = '0';
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}, [untilt]);
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return (
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<div
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ref={sheenRef}
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className={`
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absolute inset-0
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rounded-lg pointer-events-none
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transition-opacity duration-500
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bg-gradient-to-tr from-transparent via-white/20 to-transparent mix-blend-screen opacity-0
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${className}
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`}
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/>
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);
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}
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