export declare class Vec2 {
    x: number;
    y: number;
    constructor(x?: number, y?: number);
    set(x: number, y: number): Vec2;
    clone(): Vec2;
    copy(v: Vec2): Vec2;
    add(v: Vec2): Vec2;
    sub(v: Vec2): Vec2;
    multiply(scalar: number): Vec2;
    divide(scalar: number): Vec2;
    length(): number;
    lengthSq(): number;
    normalize(): Vec2;
    dot(v: Vec2): number;
    distanceTo(v: Vec2): number;
    distanceToSquared(v: Vec2): number;
    equals(v: Vec2): boolean;
    angle(): number;
}
export declare class Vec3 {
    x: number;
    y: number;
    z: number;
    constructor(x?: number, y?: number, z?: number);
    set(x: number, y: number, z: number): Vec3;
    clone(): Vec3;
    copy(v: Vec3): Vec3;
    add(v: Vec3): Vec3;
    sub(v: Vec3): Vec3;
    multiply(scalar: number): Vec3;
    divide(scalar: number): Vec3;
    length(): number;
    lengthSq(): number;
    normalize(): Vec3;
    dot(v: Vec3): number;
    cross(v: Vec3): Vec3;
    distanceTo(v: Vec3): number;
    distanceToSquared(v: Vec3): number;
    equals(v: Vec3): boolean;
}
export declare class Box3 {
    min: Vec3;
    max: Vec3;
    constructor(min?: Vec3, max?: Vec3);
    set(min: Vec3, max: Vec3): Box3;
    setFromPoints(points: Vec3[]): Box3;
    makeEmpty(): Box3;
    isEmpty(): boolean;
    expandByPoint(point: Vec3): Box3;
    expandByScalar(scalar: number): Box3;
    containsPoint(point: Vec3): boolean;
    containsBox(box: Box3): boolean;
    intersectsBox(box: Box3): boolean;
    getCenter(target?: Vec3): Vec3;
    getSize(target?: Vec3): Vec3;
    clone(): Box3;
    copy(box: Box3): Box3;
    union(box: Box3): Box3;
    equals(box: Box3): boolean;
}
export interface BoundingBox {
    min: {
        x: number;
        y: number;
        z: number;
    };
    max: {
        x: number;
        y: number;
        z: number;
    };
}
export declare function box3ToBoundingBox(box: Box3): BoundingBox;
export declare function boundingBoxToBox3(bounds: BoundingBox): Box3;