import { ICloneable, IEquatable } from "@chemistry/common";
export interface IVec2 {
    x: number;
    y: number;
}
export declare class Vec2 implements IVec2, ICloneable<Vec2>, IEquatable<Vec2> {
    static add(v1: Vec2, v2: Vec2): Vec2;
    static sub(v1: Vec2, v2: Vec2): Vec2;
    static dot(v1: Vec2, v2: Vec2): number;
    static equals(v1: Vec2, v2: Vec2): boolean;
    x: number;
    y: number;
    constructor(x: number, y: number);
    get length(): number;
    get lengthPow2(): number;
    get avg(): number;
    scale(num: number): Vec2;
    normalize(): Vec2;
    dot(vec: Vec2): number;
    sub(vec: Vec2): Vec2;
    add(vector: Vec2): Vec2;
    equals(vec: Vec2): boolean;
    clone(): Vec2;
    toString(): string;
}