import { Euler } from '@galacean/effects-math/es/core/euler';
import { Vector3 } from '@galacean/effects-math/es/core/vector3';
import * as spec from '@galacean/effects-specification';
import type { ItemLinearVelOverLifetime, ValueGetter } from '../../../math';
import type { FrameContext } from '../playable';
import { Playable, PlayableAsset } from '../playable';
/**
 * 基础位移属性数据
 */
export type ItemBasicTransform = {
    position: Vector3;
    rotation: Euler;
    scale: Vector3;
    path?: ValueGetter<Vector3>;
};
/**
 * @since 2.0.0
 */
export declare class TransformPlayable extends Playable {
    originalTransform: ItemBasicTransform;
    protected sizeSeparateAxes: boolean;
    protected sizeXOverLifetime: ValueGetter<number>;
    protected sizeYOverLifetime: ValueGetter<number>;
    protected sizeZOverLifetime: ValueGetter<number>;
    protected rotationOverLifetime: {
        asRotation?: boolean;
        separateAxes?: boolean;
        enabled?: boolean;
        x?: ValueGetter<number>;
        y?: ValueGetter<number>;
        z?: ValueGetter<number>;
    };
    gravityModifier: ValueGetter<number>;
    orbitalVelOverLifetime: {
        x?: ValueGetter<number>;
        y?: ValueGetter<number>;
        z?: ValueGetter<number>;
        center: [x: number, y: number, z: number];
        asRotation?: boolean;
        enabled?: boolean;
    };
    speedOverLifetime?: ValueGetter<number>;
    linearVelOverLifetime: ItemLinearVelOverLifetime;
    positionOverLifetime: spec.PositionOverLifetime;
    gravity: Vector3;
    direction: Vector3;
    startSpeed: number;
    data: TransformPlayableAssetData;
    private velocity;
    private boundObject;
    start(): void;
    processFrame(context: FrameContext): void;
    /**
     * 应用时间轴K帧数据到对象
     */
    private sampleAnimation;
}
export declare class TransformPlayableAsset extends PlayableAsset {
    transformAnimationData: TransformPlayableAssetData;
    createPlayable(): Playable;
    fromData(data: TransformPlayableAssetData): void;
}
export interface TransformPlayableAssetData extends spec.EffectsObjectData {
    /**
     * 元素大小变化属性
     */
    sizeOverLifetime?: spec.SizeOverLifetime;
    /**
     * 元素旋转变化属性
     */
    rotationOverLifetime?: spec.RotationOverLifetime;
    /**
     * 元素位置变化属性
     */
    positionOverLifetime?: spec.PositionOverLifetime;
}