import { Object3D, TinoeNode } from '@tinoe/glc';
import { TRANSFORM_TYPE } from './constant';
import { Channel, KeyFrame, InterpolationEquation, Value, InterpolationTransformOptions, InterpolationTransformOptionsWithEndValue, InterpolationTransformOptionsWithCSS } from './types';
import { AnimationClip } from './animation-clip';
export declare class InterpolationAnimationClip<V> extends AnimationClip<V> {
    protected _equation: InterpolationEquation<V>;
    get duration(): number;
    get startTime(): number;
    get endTime(): number;
    private _keyFrames;
    constructor({ keyFrames, equation, onUpdate, }: {
        keyFrames: KeyFrame<V>[];
        equation: InterpolationEquation<V>;
        onUpdate: (value: V) => void;
    });
    update(frameTime: number): void;
    /**
     * 插值计算
     * @param sampler
     * @param frameIndex
     * @param nextFrameIndex
     * @param alpha
     * @returns
     */
    private _interpolateValues;
    /**
     * Get current frame keys and weight between these frames
     * @param channel
     * @param frameTime
     * @param playMode
     * @returns
     */
    private _getFrameAndWeight;
    /**
     *
     * @param node
     * @param options
     * @returns
     */
    static fromChannel({ sampler, path, node }: Channel): InterpolationAnimationClip<number[]>;
    static fromChannels(channels: Channel[]): InterpolationAnimationClip<number[]>[];
    /**
     * 用关键帧的方式创建动画片段的最终实现
     * @param node
     * @param options
     * @returns
     */
    private static _fromTransformF;
    /**
     * 用关键帧的方式创建平移动画片段
     * @param node
     * @param options
     */
    static fromTranslateF<K extends TinoeNode>(node: K, options: InterpolationTransformOptions<TRANSFORM_TYPE.translation, K>): InterpolationAnimationClip<Value<TRANSFORM_TYPE.translation, K>>;
    /**
     * 用终值的方式创建平移动画片段
     * @param node
     * @param options
     */
    static fromTranslateF<K extends TinoeNode>(node: Object3D, options: InterpolationTransformOptionsWithEndValue<TRANSFORM_TYPE.translation, K>): InterpolationAnimationClip<Value<TRANSFORM_TYPE.translation, K>>;
    /**
     * 用关键帧的方式创建旋转动画片段
     * @param node
     * @param options
     */
    static fromRotateF<K extends TinoeNode>(node: K, options: InterpolationTransformOptions<TRANSFORM_TYPE.rotation, K>): InterpolationAnimationClip<Value<TRANSFORM_TYPE.rotation, K>>;
    /**
     * 用终值的方式创建旋转动画片段
     * @param node
     * @param options
     */
    static fromRotateF<K extends TinoeNode>(node: K, options: InterpolationTransformOptionsWithEndValue<TRANSFORM_TYPE.rotation, K>): InterpolationAnimationClip<Value<TRANSFORM_TYPE.rotation, K>>;
    /**
     * 用关键帧的方式创建缩放动画片段
     * @param node
     * @param options
     */
    static fromScaleF<K extends TinoeNode>(node: K, options: InterpolationTransformOptions<TRANSFORM_TYPE.scale, K>): InterpolationAnimationClip<Value<TRANSFORM_TYPE.scale, K>>;
    /**
     * 用终值的方式创建缩放动画片段
     * @param node
     * @param options
     */
    static fromScaleF<K extends TinoeNode>(node: K, options: InterpolationTransformOptionsWithEndValue<TRANSFORM_TYPE.scale, K>): InterpolationAnimationClip<Value<TRANSFORM_TYPE.scale, K>>;
    /**
     * 用类似CSS3关键帧形式构建动画片段
     */
    static fromAnimateF<K extends TinoeNode>(node: K, { keyFrames, duration }: Pick<InterpolationTransformOptionsWithCSS<K>, 'keyFrames' | 'duration'>): any[];
}