import mat2 from './mat2';
import mat3 from './mat3';
import vec3 from './vec3';
export default class vec2 {
    get x(): number;
    get y(): number;
    get xy(): [number, number];
    set x(value: number);
    set y(value: number);
    set xy(values: [number, number]);
    constructor(values?: [number, number]);
    private values;
    static readonly zero: vec2;
    static readonly one: vec2;
    at(index: number): number;
    reset(): void;
    copy(dest?: vec2): vec2;
    negate(dest?: vec2): vec2;
    equals(vector: vec2, threshold?: number): boolean;
    length(): number;
    squaredLength(): number;
    add(vector: vec2): vec2;
    subtract(vector: vec2): vec2;
    multiply(vector: vec2): vec2;
    divide(vector: vec2): vec2;
    scale(value: number, dest?: vec2): vec2;
    normalize(dest?: vec2): vec2;
    multiplyMat2(matrix: mat2, dest?: vec2): vec2;
    multiplyMat3(matrix: mat3, dest?: vec2): vec2;
    static cross(vector: vec2, vector2: vec2, dest?: vec3): vec3;
    static dot(vector: vec2, vector2: vec2): number;
    static distance(vector: vec2, vector2: vec2): number;
    static squaredDistance(vector: vec2, vector2: vec2): number;
    static direction(vector: vec2, vector2: vec2, dest?: vec2): vec2;
    static mix(vector: vec2, vector2: vec2, time: number, dest?: vec2): vec2;
    static sum(vector: vec2, vector2: vec2, dest?: vec2): vec2;
    static difference(vector: vec2, vector2: vec2, dest?: vec2): vec2;
    static product(vector: vec2, vector2: vec2, dest?: vec2): vec2;
    static quotient(vector: vec2, vector2: vec2, dest?: vec2): vec2;
}