/// <amd-module name="nova_ecs/datatypes/vector" />
import { immerable } from 'immer';
import * as t from 'io-ts';
import { Angle } from './angle';
export declare const VectorLike: t.TypeC<{
    x: t.NumberC;
    y: t.NumberC;
}>;
export declare type VectorLike = t.TypeOf<typeof VectorLike>;
export declare const VectorType: t.Type<Vector, {
    x: number;
    y: number;
}, unknown>;
export declare class Vector implements VectorLike {
    [immerable]: boolean;
    readonly x: number;
    readonly y: number;
    constructor(x: number, y: number);
    static fromVectorLike(v: VectorLike): Vector;
    protected factory(x: number, y: number): Vector;
    private apply;
    add(other: VectorLike): Vector;
    subtract(other: VectorLike): Vector;
    times(other: VectorLike): Vector;
    div(other: VectorLike): Vector;
    dot(other: VectorLike): number;
    rotate(radians: number | Angle): Vector;
    scale(scale: number): Vector;
    normalize(targetLength?: number): Vector;
    get lengthSquared(): number;
    get length(): number;
    get unitVector(): Vector;
    lengthenBy(c: number): Vector;
    shortenToLength(c: number): Vector;
    get angle(): Angle;
}