import type { mat4, vec2, vec3 } from '@predy-js/render-interface';
import type { Ray, Triangle } from '../../math/raycast';
export declare enum HitTestType {
    triangle = 1,
    box = 2,
    sphere = 3,
    custom = 4
}
export declare enum HitTestBehavior {
    notify = 1,
    resume = 2,
    none = 0
}
export interface HitTestTriangleParams {
    type: HitTestType.triangle;
    triangles: Triangle[];
    backfaceCulling?: boolean;
    behavior?: HitTestBehavior;
}
export interface HitTestBoxParams {
    type: HitTestType.box;
    center: vec3;
    size: vec3;
    behavior?: HitTestBehavior;
}
export interface HitTestSphereParams {
    type: HitTestType.sphere;
    center: vec3;
    radius: number;
    behavior?: HitTestBehavior;
}
export interface HitTestCustomParams {
    type: HitTestType.custom;
    collect(ray: Ray, pointInCanvas: vec2): vec3[] | void;
    behavior?: HitTestBehavior;
}
export type Region = {
    name: string;
    id: string;
    position: vec3;
    behavior?: HitTestBehavior;
    parentId?: string;
    hitPositions?: vec3[];
};
export type HitTestParams = {
    camera: {
        position: vec3;
        direction: vec3;
        viewProjection: mat4;
    };
    x: number;
    y: number;
    inRect: (position: vec3, width: number, height: number) => boolean;
};