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bug修改

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Developer
2026-05-12 20:27:30 +08:00
parent b0929a8094
commit 53c67079a1
23 changed files with 1026 additions and 387 deletions
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12
components/DanmakuOverlay.tsx
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@@ -13,6 +13,10 @@ interface Props {
const LANE_COUNT = 5;
const LANE_H = 28;
// 同屏弹幕上限（原 30，提至 60）
const MAX_ACTIVE = 60;
// activated 集合阈值，触达后整体清零防止内存膨胀
const ACTIVATED_LIMIT = 1000;
interface ActiveDanmaku {
id: string;
@@ -73,7 +77,10 @@ export default function DanmakuOverlay({ danmakus, currentTime, screenWidth, scr
const newItems: ActiveDanmaku[] = [];
if (activated.current.size > 200) activated.current.clear(); // prevent memory leak
if (activated.current.size > ACTIVATED_LIMIT) {
activated.current.clear(); // prevent memory leak
idCounter.current = 0;
}
for (const item of candidates) {
const key = `${item.time}_${item.text}`;
activated.current.add(key);
@@ -124,8 +131,7 @@ export default function DanmakuOverlay({ danmakus, currentTime, screenWidth, scr
if (newItems.length > 0) {
setActiveDanmakus(prev => {
const combined = [...prev, ...newItems];
// Cap at 30 simultaneous danmakus
return combined.slice(Math.max(0, combined.length - 30));
return combined.slice(Math.max(0, combined.length - MAX_ACTIVE));
});
}
}, [currentTime, visible, danmakus, pickLane, screenWidth]);