import type { Matrix4, Ray, TriangleLike, Vector3 } from '@galacean/effects-math/es/core/index';
import { Vector2 } from '@galacean/effects-math/es/core/vector2';
import type * as spec from '@galacean/effects-specification';
import type { VFXItem } from '../../vfx-item';
import type { Composition } from '../../composition';
export declare enum HitTestType {
    triangle = 1,
    box = 2,
    sphere = 3,
    custom = 4
}
export interface BoundingBoxData {
    type: HitTestType;
    area: (TriangleLike | Record<string, Vector3>)[];
}
export interface BoundingBoxTriangle extends BoundingBoxData {
    type: HitTestType.triangle;
    area: TriangleLike[];
}
export interface BoundingBoxSphere extends BoundingBoxData {
    type: HitTestType.sphere;
    area: {
        center: Vector3;
        size: Vector3;
    }[];
}
export interface HitTestTriangleParams {
    type: HitTestType.triangle;
    triangles: TriangleLike[];
    backfaceCulling?: boolean;
    behavior?: spec.InteractBehavior;
}
export interface HitTestBoxParams {
    type: HitTestType.box;
    center: Vector3;
    size: Vector3;
    behavior?: spec.InteractBehavior;
}
export interface HitTestSphereParams {
    type: HitTestType.sphere;
    center: Vector3;
    radius: number;
    behavior?: spec.InteractBehavior;
}
export interface HitTestCustomParams {
    type: HitTestType.custom;
    collect(ray: Ray, pointInCanvas: Vector2): Vector3[] | void;
    behavior?: spec.InteractBehavior;
}
export type Region = {
    name: string;
    id: string;
    position: Vector3;
    behavior?: spec.InteractBehavior;
    parentId?: string;
    hitPositions: Vector3[];
    item: VFXItem;
    composition: Composition;
};
export type HitTestParams = {
    camera: {
        position: Vector3;
        direction: Vector3;
        viewProjection: Matrix4;
    };
    x: number;
    y: number;
    inRect: (position: Vector3, width: number, height: number) => boolean;
};
export declare class PointerEventData {
    position: Vector2;
    delta: Vector2;
    pointerCurrentRaycast: RaycastResult;
}
export declare class RaycastResult {
    point: Vector3 | null;
    item: VFXItem | null;
}