import Vector3 from '../math/Vector3';
import type Renderer from '../Renderer';
import type Scene from '../Scene';
import type Camera from '../Camera';
import type ClayNode from '../Node';
interface Viewport {
    x: number;
    y: number;
    width: number;
    height: number;
}
/**
 * Pick all intersection objects, wich will be sorted from near to far
 * @param  x Mouse position x
 * @param  y Mouse position y
 * @param  output
 * @param  forcePickAll ignore ignorePicking
 */
export declare function pickAll(renderer: Renderer | Viewport, scene: Scene, camera: Camera, x: number, y: number, output?: Intersection[], forcePickAll?: boolean): Intersection[];
/**
 * Pick the nearest intersection object in the scene
 * @param  x Mouse position x
 * @param  y Mouse position y
 * @param  forcePickAll ignore ignorePicking
 */
export declare function pick(renderer: Renderer, scene: Scene, camera: Camera, x: number, y: number, forcePickAll?: boolean): Intersection | undefined;
export declare class Intersection {
    /**
     * Intersection point in local transform coordinates
     */
    point: Vector3;
    /**
     * Intersection point in world transform coordinates
     */
    pointWorld: Vector3;
    /**
     * Barycentric coord
     */
    barycentric: Vector3;
    /**
     * Intersection scene node
     */
    target: ClayNode;
    /**
     * Intersection triangle, which is an array of vertex index
     */
    triangle: number[];
    /**
     * Index of intersection triangle.
     */
    triangleIndex: number;
    /**
     * Distance from intersection point to ray origin
     */
    distance: number;
    constructor(point: Vector3, pointWorld: Vector3, barycentric: Vector3, target: ClayNode, triangle: number[], triangleIndex: number, distance: number);
}
export {};