123 lines
2.2 KiB
TypeScript
123 lines
2.2 KiB
TypeScript
/*!
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* This Source Code Form is subject to the terms of the Mozilla Public License,
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* v. 2.0. If a copy of the MPL was not distributed with this file, You can
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* obtain one at http://mozilla.org/MPL/2.0/.
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*/
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export interface Vector4Object {
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readonly x: number;
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readonly y: number;
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readonly z: number;
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readonly w: number;
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}
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export type Vector4Tuple = readonly [x: number, y: number, z: number, w: number];
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export class Vector4 {
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readonly type!: "Vector4";
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x: number;
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y: number;
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z: number;
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w: number;
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constructor(x: number, y: number, z: number, w: number) {
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this.x = x;
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this.y = y;
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this.z = z;
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this.w = w;
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}
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static fromObject(object: Vector4Object): Vector4 {
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return new Vector4(object.x, object.y, object.z, object.w);
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}
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static fromTuple(tuple: Vector4Tuple): Vector4 {
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return new Vector4(...tuple);
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}
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static zero(): Vector4 {
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return new Vector4(0, 0, 0, 0);
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}
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static one(): Vector4 {
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return new Vector4(1, 1, 1, 1);
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}
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set(x: number, y: number, z: number, w: number): Vector4 {
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this.x = x;
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this.y = y;
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this.z = z;
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this.w = w;
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return this;
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}
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setObject(object: Vector4Object): Vector4 {
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this.x = object.x;
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this.y = object.y;
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this.z = object.z;
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this.w = object.w;
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return this;
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}
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setTuple(tuple: Vector4Tuple): Vector4 {
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this.x = tuple[0];
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this.y = tuple[1];
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this.z = tuple[2];
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this.w = tuple[3];
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return this;
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}
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setZero(): Vector4 {
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this.x = 0;
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this.y = 0;
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this.z = 0;
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this.w = 0;
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return this;
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}
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setOne(): Vector4 {
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this.x = 1;
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this.y = 1;
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this.z = 1;
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this.w = 1;
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return this;
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}
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setX(x: number): Vector4 {
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this.x = x;
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return this;
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}
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setY(y: number): Vector4 {
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this.y = y;
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return this;
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}
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setZ(z: number): Vector4 {
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this.z = z;
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return this;
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}
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setW(w: number): Vector4 {
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this.w = w;
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return this;
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}
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normalize(): Vector4 {
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const l = Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w);
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this.x /= l;
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this.y /= l;
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this.z /= l;
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this.w /= l;
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return this;
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}
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}
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Object.defineProperty(Vector4.prototype, "type", { value: "Vector4" });
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export function isVector4(value: unknown): value is Vector4 {
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return Boolean(value) && (value as Vector4).type === "Vector4";
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}
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