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52 lines
1.6 KiB
52 lines
1.6 KiB
5 days ago
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import { PhysicsSystem2D } from 'cc';
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/**
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* 2D 物理开关唯一入口。
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*
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* 根因：广告 / 离局 / 分辨率稳定等各自 `enable = false` 再按本地 wasEnabled 恢复，
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* 快照会互相覆盖，最终永久关物理 → 子弹无碰撞 → 怪不掉血。
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*
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* 规则：任一 reason 挂起则关；集合空才开。开战/离局走 beginBattle/endBattle。
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*/
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export class Physics2DGate {
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private static _reasons = new Set<string>();
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static readonly VideoAd = 'videoAd';
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static suspend(reason: string): void {
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if (!reason) return;
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this._reasons.add(reason);
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PhysicsSystem2D.instance.enable = false;
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}
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static resume(reason: string): void {
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if (!reason) return;
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this._reasons.delete(reason);
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this._applyEnable();
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}
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static isSuspended(reason?: string): boolean {
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if (reason) return this._reasons.has(reason);
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return this._reasons.size > 0;
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}
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private static _applyEnable(): void {
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const on = this._reasons.size === 0;
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PhysicsSystem2D.instance.enable = on;
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if (on) PhysicsSystem2D.instance.maxSubSteps = 1;
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}
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/** 进入战斗：清空挂起并开物理 */
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static beginBattle(): void {
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this._reasons.clear();
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PhysicsSystem2D.instance.enable = true;
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PhysicsSystem2D.instance.maxSubSteps = 1;
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}
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/** 离开战斗：清空其它挂起并关物理（避免离局后广告回调误开） */
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static endBattle(): void {
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this._reasons.clear();
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PhysicsSystem2D.instance.enable = false;
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}
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}
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