vecks/lib/Box3.js

2D and 3D Vector Algebra library

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;

var _V = _interopRequireDefault(require("./V3"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

var Box3 = /*#__PURE__*/function () {
  function Box3(min, max) {
    _classCallCheck(this, Box3);

    if (_typeof(min) === 'object' && _typeof(max) === 'object' && min.x !== undefined && min.y !== undefined && min.z !== undefined && max.x !== undefined && max.y !== undefined && max.z !== undefined) {
      this.min = new _V["default"](min);
      this.max = new _V["default"](max);
      this.valid = true;
    } else if (min === undefined && max === undefined) {
      this.min = new _V["default"](Infinity, Infinity, Infinity);
      this.max = new _V["default"](-Infinity, -Infinity, -Infinity);
      this.valid = false;
    } else {
      throw Error('Illegal construction - must use { x, y, z } objects');
    }
  }

  _createClass(Box3, [{
    key: "equals",
    value: function equals(other) {
      if (!this.valid) {
        throw Error('Box3 is invalid');
      }

      return this.min.equals(other.min) && this.max.equals(other.max);
    }
  }, {
    key: "expandByPoint",
    value: function expandByPoint(p) {
      this.min = new _V["default"](Math.min(this.min.x, p.x), Math.min(this.min.y, p.y), Math.min(this.min.z, p.z));
      this.max = new _V["default"](Math.max(this.max.x, p.x), Math.max(this.max.y, p.y), Math.max(this.max.z, p.z));
      this.valid = true;
      return this;
    }
  }, {
    key: "expandByPoints",
    value: function expandByPoints(points) {
      var _this = this;

      points.forEach(function (point) {
        _this.expandByPoint(point);
      }, this);
      return this;
    }
  }, {
    key: "isPointInside",
    value: function isPointInside(p) {
      return p.x >= this.min.x && p.y >= this.min.y && p.z >= this.min.z && p.x <= this.max.x && p.y <= this.max.y && p.z <= this.max.z;
    }
  }, {
    key: "width",
    get: function get() {
      if (!this.valid) {
        throw Error('Box3 is invalid');
      }

      return this.max.x - this.min.x;
    }
  }, {
    key: "depth",
    get: function get() {
      if (!this.valid) {
        throw Error('Box3 is invalid');
      }

      return this.max.y - this.min.y;
    }
  }, {
    key: "height",
    get: function get() {
      if (!this.valid) {
        throw Error('Box3 is invalid');
      }

      return this.max.z - this.min.z;
    }
  }]);

  return Box3;
}();

Box3.fromPoints = function (points) {
  return new Box3().expandByPoints(points);
};

var _default = Box3;
exports["default"] = _default;