import * as THREE from 'three';
export type FisheyeProps = {
    zoom?: number;
    segments?: number;
    resolution?: number;
};
export declare class Fisheye {
    resolution: number;
    segments: number;
    zoom: number;
    renderTarget: THREE.WebGLCubeRenderTarget;
    sphereMesh: THREE.Mesh<THREE.SphereGeometry, THREE.MeshBasicMaterial>;
    orthoCamera: THREE.OrthographicCamera;
    cubeCamera: THREE.CubeCamera;
    temp: {
        t: THREE.Vector3;
        r: THREE.Quaternion;
        s: THREE.Vector3;
        e: THREE.Euler;
        sphere: THREE.Sphere;
        normal: THREE.Vector3;
        normalMatrix: THREE.Matrix3;
    };
    constructor({ resolution, segments, zoom }?: FisheyeProps);
    createRenderTarget(resolution: number): THREE.WebGLCubeRenderTarget;
    updateResolution(resolution: number): void;
    onResize(width: number, height: number): void;
    computeRaycastRayDirection(raycaster: THREE.Raycaster, pointer: THREE.Vector2): void;
    render(renderer: THREE.WebGLRenderer, scene: THREE.Scene, camera: THREE.Camera): void;
}