import { SyncHook } from '@tinoe/glb';
import { AnimationClip } from './animation-clip';
import { DirectionType, TimeEquation } from './types';
export default class Animation {
    endHook: SyncHook<unknown>;
    name: string;
    /**
     * 播放倍速
     */
    speed: number;
    /**
     * 时间缩放方程
     */
    timeEquation: TimeEquation;
    /**
     * 自身播放状态
     */
    private _isPlaying;
    /**
     * 动画所占时间
     */
    duration: number;
    /**
     * 动画重复次数
     */
    repeatCount: number;
    private get _isLoop();
    /**
     * 动画方向
     */
    direction: DirectionType;
    /**
     * 动画延迟
     */
    delay: number;
    private _state;
    /**
     * 储存所有的动画片段
     */
    private _clips;
    constructor({ clips, name, autoPlay, }?: {
        clips?: AnimationClip[];
        autoPlay?: boolean;
        name?: string;
    });
    /**
     * 添加动画片段
     * @param clip
     */
    addClip(...clips: AnimationClip[]): void;
    /**
     * 跳帧
     */
    jump(frameTime: number): void;
    /**
     * 播放动画
     */
    play(): void;
    playSegment(startTime: number, playTime: number): void;
    /**
     * 播放动画
     */
    stop(): void;
    /**
     * 暂停动画
     */
    resume(): void;
    /**
     * 暂停动画
     */
    pause(): void;
    private _applyDirection;
    private _applyTimeEquation;
    protected _updateState(deltaTime: number): void;
    update(deltaTime: number): void;
    /**
     * TODO
     * set isOver as a property so that we dont need to traverse
     */
    get isOver(): boolean;
    /**
     * 重置动画树，回到首帧
     */
    reset(): void;
}