import Vector3 from './Vector3';
import Plane from './Plane';
import BoundingBox from './BoundingBox';
import Matrix4 from './Matrix4';
declare class Ray {
    origin: Vector3;
    direction: Vector3;
    constructor(origin?: Vector3, direction?: Vector3);
    /**
     * Calculate intersection point between ray and a give plane
     * @param plane
     * @param out
     */
    intersectPlane(plane: Plane, out?: Vector3): Vector3 | null;
    /**
     * Mirror the ray against plane
     * @param plane
     */
    mirrorAgainstPlane(plane: Plane): void;
    distanceToPoint(point: Vector3): number;
    /**
     * Calculate intersection point between ray and sphere
     * @param center
     * @param radius
     * @param out
     */
    intersectSphere(center: Vector3, radius: number, out?: Vector3): Vector3 | null | undefined;
    /**
     * Calculate intersection point between ray and bounding box
     * @param bbox
     * @param out
     */
    intersectBoundingBox(bbox: BoundingBox, out?: Vector3): Vector3 | null;
    /**
     * Calculate intersection point between ray and three triangle vertices
     * @param a
     * @param b
     * @param c
     * @param singleSided, CW triangle will be ignored
     * @param out
     * @param barycenteric barycentric coords
     */
    intersectTriangle(aIn: Vector3, bIn: Vector3, cIn: Vector3, singleSided: boolean, out: Vector3, barycenteric?: Vector3): boolean;
    /**
     * Apply an affine transform matrix to the ray
     */
    applyTransform(matrix: Matrix4): void;
    /**
     * Copy values from another ray
     * @param ray
     */
    copy(ray: Ray): void;
    /**
     * Clone a new ray
     */
    clone(): Ray;
}
export default Ray;