export declare type Point2D = {
    x: number;
    y: number;
};
export declare const Point2D: {
    ZERO: {
        x: number;
        y: number;
    };
    norm({ x, y }: Point2D): number;
    normLosange({ x, y }: Point2D): number;
    add({ x, y }: Point2D, other: Point2D): Point2D;
    minus({ x, y }: Point2D, other: Point2D): Point2D;
    factor({ x, y }: Point2D, factor: number): Point2D;
    productVectoriel({ x, y }: Point2D, { x: x2, y: y2 }: Point2D): number;
    productScalar(point1: Point2D, point2: Point2D): number;
    normalize(point: Point2D): Point2D;
    isEqual({ x, y }: Point2D, other: Point2D): boolean;
    getAngleRad({ x, y }: Point2D): number;
    distance(point1: Point2D, point2: Point2D): number;
};