@openglobus/og/lib/math/Vec4.d.ts

[openglobus](https://www.openglobus.org/) is a javascript/typescript library designed to display interactive 3d maps and planets with map tiles, imagery and vector data, markers, and 3D objects. It uses the WebGL technology, open source, and completely fr

import { Vec3 } from "./Vec3";
export type NumberArray4 = [number, number, number, number];
/**
 * Class represents a 4d vector.
 * @class
 * @param {number} [x] - First value.
 * @param {number} [y] - Second value.
 * @param {number} [z] - Third value.
 * @param {number} [w] - Fourth value.
 */
export declare class Vec4 {
    /**
     * @public
     * @type {number}
     */
    x: number;
    /**
     * @public
     * @type {number}
     */
    y: number;
    /**
     * @public
     * @type {number}
     */
    z: number;
    /**
     * @public
     * @type {number}
     */
    w: number;
    constructor(x?: number, y?: number, z?: number, w?: number);
    /**
     * Identity vector [0,0,0,1].
     * @const
     * @type {Vec4}
     */
    static get identity(): Vec4;
    /**
     * Creates 4d vector from array.
     * @function
     * @param {Array.<number>} arr - Array of four values
     * @returns {Vec4}
     */
    static fromVec(arr: NumberArray4): Vec4;
    /**
     * Converts to Vec3, without fourth value.
     * @public
     * @returns {Vec3}
     */
    toVec3(): Vec3;
    /**
     * Returns clone vector.
     * @public
     * @returns {Vec4}
     */
    clone(): Vec4;
    /**
     * Compares with vector. Returns true if it equals another.
     * @public
     * @param {Vec4} v - Vector to compare.
     * @returns {boolean}
     */
    equal(v: Vec4): boolean;
    /**
     * Copy input vector's values.
     * @param {Vec4} v - Vector to copy.
     * @returns {Vec4}
     */
    copy(v: Vec4): Vec4;
    /**
     * Converts vector to a number array.
     * @public
     * @returns {Array.<number>} - (exactly 4 entries)
     */
    toArray(): NumberArray4;
    /**
     * Converts vector to a number array.
     * @public
     * @returns {Array.<number>} - (exactly 4 entries)
     */
    toArray3(): [number, number, number];
    /**
     * Sets vector's values.
     * @public
     * @param {number} x - Value X.
     * @param {number} y - Value Y.
     * @param {number} z - Value Z.
     * @param {number} w - Value W.
     * @returns {Vec4}
     */
    set(x: number, y: number, z: number, w: number): Vec4;
    /**
     * Adds vector to the current.
     * @public
     * @param {Vec4} v - Vector to add.
     * @returns {Vec4}
     */
    addA(v: Vec4): Vec4;
    /**
     * Subtract vector from the current.
     * @public
     * @param {Vec4} v - Subtract vector.
     * @returns {Vec4}
     */
    subA(v: Vec4): Vec4;
    /**
     * Scale current vector.
     * @public
     * @param {number} scale - Scale value.
     * @returns {Vec4}
     */
    scale(scale: number): Vec4;
    /**
     * Makes vector affinity. Thereby fourth component becomes to 1.0.
     * @public
     * @returns {Vec4}
     */
    affinity(): Vec4;
    /**
     * Scale current vector to another instance.
     * @public
     * @param {number} scale - Scale value.
     * @returns {Vec3}
     */
    scaleTo(scale: number): Vec4;
    /**
     * Vector's edge function that returns vector where each component is 0.0 if it's smaller than edge and otherwise 1.0.
     * @public
     * @returns {Vec4}
     */
    getStep(edge: number): Vec4;
    /**
     * The vector frac function returns the vector of fractional parts of each value, i.e. x minus floor(x).
     * @public
     * @param {Vec4} v - Input vector
     * @returns {Vec4}
     */
    getFrac(v: Vec4): Vec4;
    /**
     * Gets vectors dot production.
     * @public
     * @param {Vec4} v - Another vector.
     * @returns {number} - Dot product.
     */
    dot(v: Vec4): number;
    /**
     * Returns true if vector's values are zero.
     * @public
     * @returns {boolean} -
     */
    isZero(): boolean;
}
/**
 * Vector 4d object creator.
 * @function
 * @param {number} [x] - First value.
 * @param {number} [y] - Second value.
 * @param {number} [z] - Third value.
 * @param {number} [w] - Fourth value.
 * @returns {Vec4}
 */
export declare function vec4(x?: number, y?: number, z?: number, w?: number): Vec4;