(function (global, factory) {
  if (typeof define === "function" && define.amd) {
    define(["exports", "../core/TempNode.js"], factory);
  } else if (typeof exports !== "undefined") {
    factory(exports, require("../core/TempNode.js"));
  } else {
    var mod = {
      exports: {}
    };
    factory(mod.exports, global.TempNode);
    global.MathNode = mod.exports;
  }
})(typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : this, function (_exports, _TempNode2) {
  "use strict";

  Object.defineProperty(_exports, "__esModule", {
    value: true
  });
  _exports.MathNode = void 0;

  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); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }

  function _get() { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(arguments.length < 3 ? target : receiver); } return desc.value; }; } return _get.apply(this, arguments); }

  function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }

  function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } Object.defineProperty(subClass, "prototype", { value: Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }), writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }

  function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

  function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

  function _possibleConstructorReturn(self, call) { if (call && (typeof call === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }

  function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

  function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }

  function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

  var MathNode = /*#__PURE__*/function (_TempNode) {
    _inherits(MathNode, _TempNode);

    var _super = _createSuper(MathNode);

    function MathNode(a, bOrMethod, cOrMethod, method) {
      var _this;

      _classCallCheck(this, MathNode);

      _this = _super.call(this);
      _this.a = a;
      typeof bOrMethod !== 'string' ? _this.b = bOrMethod : method = bOrMethod;
      typeof cOrMethod !== 'string' ? _this.c = cOrMethod : method = cOrMethod;
      _this.method = method;
      return _this;
    }

    _createClass(MathNode, [{
      key: "getNumInputs",
      value: function
        /*builder*/
      getNumInputs() {
        switch (this.method) {
          case MathNode.MIX:
          case MathNode.CLAMP:
          case MathNode.REFRACT:
          case MathNode.SMOOTHSTEP:
          case MathNode.FACEFORWARD:
            return 3;

          case MathNode.MIN:
          case MathNode.MAX:
          case MathNode.MOD:
          case MathNode.STEP:
          case MathNode.REFLECT:
          case MathNode.DISTANCE:
          case MathNode.DOT:
          case MathNode.CROSS:
          case MathNode.POW:
            return 2;

          default:
            return 1;
        }
      }
    }, {
      key: "getInputType",
      value: function getInputType(builder) {
        var a = builder.getTypeLength(this.a.getType(builder));
        var b = this.b ? builder.getTypeLength(this.b.getType(builder)) : 0;
        var c = this.c ? builder.getTypeLength(this.c.getType(builder)) : 0;

        if (a > b && a > c) {
          return this.a.getType(builder);
        } else if (b > c) {
          return this.b.getType(builder);
        }

        return this.c.getType(builder);
      }
    }, {
      key: "getType",
      value: function getType(builder) {
        switch (this.method) {
          case MathNode.LENGTH:
          case MathNode.DISTANCE:
          case MathNode.DOT:
            return 'f';

          case MathNode.CROSS:
            return 'v3';
        }

        return this.getInputType(builder);
      }
    }, {
      key: "generate",
      value: function generate(builder, output) {
        var a, b, c;
        var al = this.a ? builder.getTypeLength(this.a.getType(builder)) : 0,
            bl = this.b ? builder.getTypeLength(this.b.getType(builder)) : 0,
            cl = this.c ? builder.getTypeLength(this.c.getType(builder)) : 0,
            inputType = this.getInputType(builder),
            nodeType = this.getType(builder);

        switch (this.method) {
          // 1 input
          case MathNode.NEGATE:
            return builder.format('( -' + this.a.build(builder, inputType) + ' )', inputType, output);

          case MathNode.INVERT:
            return builder.format('( 1.0 - ' + this.a.build(builder, inputType) + ' )', inputType, output);
          // 2 inputs

          case MathNode.CROSS:
            a = this.a.build(builder, 'v3');
            b = this.b.build(builder, 'v3');
            break;

          case MathNode.STEP:
            a = this.a.build(builder, al === 1 ? 'f' : inputType);
            b = this.b.build(builder, inputType);
            break;

          case MathNode.MIN:
          case MathNode.MAX:
          case MathNode.MOD:
            a = this.a.build(builder, inputType);
            b = this.b.build(builder, bl === 1 ? 'f' : inputType);
            break;
          // 3 inputs

          case MathNode.REFRACT:
            a = this.a.build(builder, inputType);
            b = this.b.build(builder, inputType);
            c = this.c.build(builder, 'f');
            break;

          case MathNode.MIX:
            a = this.a.build(builder, inputType);
            b = this.b.build(builder, inputType);
            c = this.c.build(builder, cl === 1 ? 'f' : inputType);
            break;
          // default

          default:
            a = this.a.build(builder, inputType);
            if (this.b) b = this.b.build(builder, inputType);
            if (this.c) c = this.c.build(builder, inputType);
            break;
        } // build function call


        var params = [];
        params.push(a);
        if (b) params.push(b);
        if (c) params.push(c);
        var numInputs = this.getNumInputs(builder);

        if (params.length !== numInputs) {
          throw Error("Arguments not match used in \"".concat(this.method, "\". Require ").concat(numInputs, ", currently ").concat(params.length, "."));
        }

        return builder.format(this.method + '( ' + params.join(', ') + ' )', nodeType, output);
      }
    }, {
      key: "copy",
      value: function copy(source) {
        _get(_getPrototypeOf(MathNode.prototype), "copy", this).call(this, source);

        this.a = source.a;
        this.b = source.b;
        this.c = source.c;
        this.method = source.method;
        return this;
      }
    }, {
      key: "toJSON",
      value: function toJSON(meta) {
        var data = this.getJSONNode(meta);

        if (!data) {
          data = this.createJSONNode(meta);
          data.a = this.a.toJSON(meta).uuid;
          if (this.b) data.b = this.b.toJSON(meta).uuid;
          if (this.c) data.c = this.c.toJSON(meta).uuid;
          data.method = this.method;
        }

        return data;
      }
    }]);

    return MathNode;
  }(_TempNode2.TempNode); // 1 input


  _exports.MathNode = MathNode;
  MathNode.RAD = 'radians';
  MathNode.DEG = 'degrees';
  MathNode.EXP = 'exp';
  MathNode.EXP2 = 'exp2';
  MathNode.LOG = 'log';
  MathNode.LOG2 = 'log2';
  MathNode.SQRT = 'sqrt';
  MathNode.INV_SQRT = 'inversesqrt';
  MathNode.FLOOR = 'floor';
  MathNode.CEIL = 'ceil';
  MathNode.NORMALIZE = 'normalize';
  MathNode.FRACT = 'fract';
  MathNode.SATURATE = 'saturate';
  MathNode.SIN = 'sin';
  MathNode.COS = 'cos';
  MathNode.TAN = 'tan';
  MathNode.ASIN = 'asin';
  MathNode.ACOS = 'acos';
  MathNode.ARCTAN = 'atan';
  MathNode.ABS = 'abs';
  MathNode.SIGN = 'sign';
  MathNode.LENGTH = 'length';
  MathNode.NEGATE = 'negate';
  MathNode.INVERT = 'invert'; // 2 inputs

  MathNode.MIN = 'min';
  MathNode.MAX = 'max';
  MathNode.MOD = 'mod';
  MathNode.STEP = 'step';
  MathNode.REFLECT = 'reflect';
  MathNode.DISTANCE = 'distance';
  MathNode.DOT = 'dot';
  MathNode.CROSS = 'cross';
  MathNode.POW = 'pow'; // 3 inputs

  MathNode.MIX = 'mix';
  MathNode.CLAMP = 'clamp';
  MathNode.REFRACT = 'refract';
  MathNode.SMOOTHSTEP = 'smoothstep';
  MathNode.FACEFORWARD = 'faceforward';
  MathNode.prototype.nodeType = 'Math';
  MathNode.prototype.hashProperties = ['method'];
});