class Delay {
    private delays: { duration: number; elapsed: number; resolve: (() => void) | null; }[] = [];
    private paused: boolean = false;
    // 创建一个新的延迟  
    public start(seconds: number): Promise<void> {
        const duration = seconds;
        return new Promise((resolve) => {
            this.delays.push({
                duration: duration,
                elapsed: 0,
                resolve: resolve
            });
        });
    }
    public pause(): void {
        this.paused = true;
    }
    public resume(): void {
        this.paused = false;
    }
    //更新所有延迟的状态，传入更新时间间隔（秒）  
    public update(deltaTime: number): void {
        if (this.paused) return;
        for (let i = this.delays.length - 1; i >= 0; i--) {
            const delay = this.delays[i];
            delay.elapsed += deltaTime; // 累加已过时间  
            if (delay.elapsed >= delay.duration) {
                if (delay.resolve) {
                    delay.resolve(); // 解析 Promise  
                    delay.resolve = null; // 清空引用  
                }
                this.delays.splice(i, 1); // 从数组中移除已完成的延迟对象  
            }
        }
    }
    //取消所有延迟  
    public cancelAll(): void {
        this.delays.forEach(delay => { delay.resolve = null; });
        this.delays = []; //清空所有延迟  
    }
    //检查是否有活动的延迟  
    public isActive(): boolean {
        return this.delays.length > 0;
    }
}
export default function get_new_delay(): Delay {
    return new Delay();
}