@js-basics/vector/dist/degree.cjs

A 3D Vector lib including arithmetic operator overloading (+ - * / % **).

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.IDegree = exports.Degree = void 0;
exports.degree = degree;
exports.idegree = idegree;
exports.isAngle = isAngle;
var _math = require("./utils/math.cjs");
var _css = require("./utils/css.cjs");
const ANGLE = Symbol('angle rad');
const DEG_TO_RAD = Math.PI / 180;
class ADegree {
  constructor(angle) {
    if (angle instanceof ADegree) {
      this[ANGLE] = angle[ANGLE];
    } else {
      this[ANGLE] = (0, _math.normRad)(angle * DEG_TO_RAD);
    }
  }
  valueOf() {
    return this[ANGLE];
  }
  toJSON() {
    return {
      angle: this[ANGLE]
    };
  }
  toString() {
    return JSON.stringify(this.toJSON());
  }
  toCSSVars(name, target) {
    return (0, _css.convertToCSSVars)(name, this.toJSON(), target);
  }
}
class Degree extends ADegree {
  set(angle) {
    if (angle instanceof ADegree) {
      this[ANGLE] = angle[ANGLE];
    } else {
      this[ANGLE] = (0, _math.normRad)((angle || 0) * DEG_TO_RAD);
    }
  }
}
exports.Degree = Degree;
class IDegree extends ADegree {
  toDegree() {
    return new Degree(this[ANGLE]);
  }
}
exports.IDegree = IDegree;
const ZERO = new IDegree(0);

/**
 * @param {number | ADegree} angle
 * @returns {Degree & number}
 */
function degree(angle) {
  return new Degree(angle);
}

/**
 * @param {number | ADegree} angle
 * @returns {IDegree & number}
 */
function idegree(angle) {
  if (angle instanceof IDegree) {
    return angle;
  }
  if (!angle) {
    return ZERO;
  }
  return new IDegree(angle);
}
function isAngle(angle) {
  return (0, _math.isNumber)(angle) || angle instanceof ADegree;
}