(function (global, factory) {
  if (typeof define === "function" && define.amd) {
    define(["exports", "./core/PropertyNode.js", "./core/VarNode.js", "./inputs/ColorNode.js", "./inputs/FloatNode.js", "./inputs/Vector2Node.js", "./inputs/Vector3Node.js", "./inputs/Vector4Node.js", "./accessors/PositionNode.js", "./accessors/NormalNode.js", "./math/OperatorNode.js", "./math/CondNode.js", "./math/MathNode.js", "./utils/ArrayElementNode.js", "./utils/ConvertNode.js", "./utils/JoinNode.js", "./utils/SplitNode.js", "three"], factory);
  } else if (typeof exports !== "undefined") {
    factory(exports, require("./core/PropertyNode.js"), require("./core/VarNode.js"), require("./inputs/ColorNode.js"), require("./inputs/FloatNode.js"), require("./inputs/Vector2Node.js"), require("./inputs/Vector3Node.js"), require("./inputs/Vector4Node.js"), require("./accessors/PositionNode.js"), require("./accessors/NormalNode.js"), require("./math/OperatorNode.js"), require("./math/CondNode.js"), require("./math/MathNode.js"), require("./utils/ArrayElementNode.js"), require("./utils/ConvertNode.js"), require("./utils/JoinNode.js"), require("./utils/SplitNode.js"), require("three"));
  } else {
    var mod = {
      exports: {}
    };
    factory(mod.exports, global.PropertyNode, global.VarNode, global.ColorNode, global.FloatNode, global.Vector2Node, global.Vector3Node, global.Vector4Node, global.PositionNode, global.NormalNode, global.OperatorNode, global.CondNode, global.MathNode, global.ArrayElementNode, global.ConvertNode, global.JoinNode, global.SplitNode, global.three);
    global.ShaderNode = mod.exports;
  }
})(typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : this, function (_exports, _PropertyNode, _VarNode, _ColorNode, _FloatNode, _Vector2Node, _Vector3Node, _Vector4Node, _PositionNode, _NormalNode, _OperatorNode, _CondNode, _MathNode, _ArrayElementNode, _ConvertNode, _JoinNode, _SplitNode, _three) {
  "use strict";

  Object.defineProperty(_exports, "__esModule", {
    value: true
  });
  _exports.vec4 = _exports.vec3 = _exports.vec2 = _exports.uniform = _exports.transformedNormalView = _exports.transformDirection = _exports.sub = _exports.sqrt = _exports.specularColor = _exports.sin = _exports.sign = _exports.saturate = _exports.round = _exports.roughness = _exports.pow4 = _exports.pow3 = _exports.pow2 = _exports.pow = _exports.positionWorld = _exports.positionViewDirection = _exports.positionView = _exports.positionLocal = _exports.normalize = _exports.normalWorld = _exports.normalView = _exports.normalLocal = _exports.negate = _exports.mul = _exports.mod = _exports.mix = _exports.min = _exports.metalness = _exports.max = _exports.lessThanEqual = _exports.join = _exports.inversesqrt = _exports.greaterThan = _exports.fract = _exports.floor = _exports.float = _exports.exp2 = _exports.exp = _exports.equal = _exports.element = _exports.dot = _exports.div = _exports.diffuseColor = _exports.dFdy = _exports.dFdx = _exports.cross = _exports.cos = _exports.cond = _exports.color = _exports.assign = _exports.and = _exports.alphaTest = _exports.addTo = _exports.add = _exports.abs = _exports.ShaderNode = _exports.RECIPROCAL_PI2 = _exports.RECIPROCAL_PI = _exports.PI_HALF = _exports.PI2 = _exports.PI = _exports.EPSILON = void 0;
  _PropertyNode = _interopRequireDefault(_PropertyNode);
  _VarNode = _interopRequireDefault(_VarNode);
  _ColorNode = _interopRequireDefault(_ColorNode);
  _FloatNode = _interopRequireDefault(_FloatNode);
  _Vector2Node = _interopRequireDefault(_Vector2Node);
  _Vector3Node = _interopRequireDefault(_Vector3Node);
  _Vector4Node = _interopRequireDefault(_Vector4Node);
  _PositionNode = _interopRequireDefault(_PositionNode);
  _NormalNode = _interopRequireDefault(_NormalNode);
  _OperatorNode = _interopRequireDefault(_OperatorNode);
  _CondNode = _interopRequireDefault(_CondNode);
  _MathNode = _interopRequireDefault(_MathNode);
  _ArrayElementNode = _interopRequireDefault(_ArrayElementNode);
  _ConvertNode = _interopRequireDefault(_ConvertNode);
  _JoinNode = _interopRequireDefault(_JoinNode);
  _SplitNode = _interopRequireDefault(_SplitNode);

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

  function _construct(Parent, args, Class) { if (_isNativeReflectConstruct()) { _construct = Reflect.construct; } else { _construct = function _construct(Parent, args, Class) { var a = [null]; a.push.apply(a, args); var Constructor = Function.bind.apply(Parent, a); var instance = new Constructor(); if (Class) _setPrototypeOf(instance, Class.prototype); return instance; }; } return _construct.apply(null, arguments); }

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

  function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }

  function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

  function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

  function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && iter[Symbol.iterator] != null || iter["@@iterator"] != null) return Array.from(iter); }

  function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }

  function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

  var NodeHandler = {
    construct: function construct(NodeClosure, params) {
      var inputs = params.shift();
      return NodeClosure.apply(void 0, [ShaderNodeObjects(inputs)].concat(_toConsumableArray(params)));
    },
    get: function get(node, prop) {
      if (typeof prop === 'string' && node[prop] === undefined) {
        if (/^[xyzwrgbastpq]{1,4}$/.test(prop) === true) {
          // accessing properties ( swizzle )
          prop = prop.replace(/r|s/g, 'x').replace(/g|t/g, 'y').replace(/b|p/g, 'z').replace(/a|q/g, 'w');
          return ShaderNodeObject(new _SplitNode.default(node, prop));
        } else if (/^\d+$/.test(prop) === true) {
          // accessing array
          return ShaderNodeObject(new _ArrayElementNode.default(node, new _FloatNode.default(Number(prop)).setConst(true)));
        }
      }

      return node[prop];
    }
  };

  var ShaderNodeObject = function ShaderNodeObject(obj) {
    var type = typeof obj;

    if (type === 'number') {
      return ShaderNodeObject(new _FloatNode.default(obj).setConst(true));
    } else if (type === 'object') {
      if (obj.isNode === true) {
        var node = obj;

        if (node.isProxyNode !== true) {
          node.isProxyNode = true;
          return new Proxy(node, NodeHandler);
        }
      }
    }

    return obj;
  };

  var ShaderNodeObjects = function ShaderNodeObjects(objects) {
    for (var name in objects) {
      objects[name] = ShaderNodeObject(objects[name]);
    }

    return objects;
  };

  var ShaderNodeArray = function ShaderNodeArray(array) {
    var len = array.length;

    for (var i = 0; i < len; i++) {
      array[i] = ShaderNodeObject(array[i]);
    }

    return array;
  };

  var ShaderNodeProxy = function ShaderNodeProxy(NodeClass) {
    var scope = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
    var factor = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;

    if (scope === null) {
      return function () {
        for (var _len = arguments.length, params = new Array(_len), _key = 0; _key < _len; _key++) {
          params[_key] = arguments[_key];
        }

        return ShaderNodeObject(_construct(NodeClass, _toConsumableArray(ShaderNodeArray(params))));
      };
    } else if (factor === null) {
      return function () {
        for (var _len2 = arguments.length, params = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
          params[_key2] = arguments[_key2];
        }

        return ShaderNodeObject(_construct(NodeClass, [scope].concat(_toConsumableArray(ShaderNodeArray(params)))));
      };
    } else {
      factor = ShaderNodeObject(factor);
      return function () {
        for (var _len3 = arguments.length, params = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
          params[_key3] = arguments[_key3];
        }

        return ShaderNodeObject(_construct(NodeClass, [scope].concat(_toConsumableArray(ShaderNodeArray(params)), [factor])));
      };
    }
  };

  var ShaderNodeScript = function ShaderNodeScript(jsFunc) {
    return function (inputs, builder) {
      ShaderNodeObjects(inputs);
      return ShaderNodeObject(jsFunc(inputs, builder));
    };
  };

  var ShaderNode = new Proxy(ShaderNodeScript, NodeHandler); //
  // Node Material Shader Syntax
  //

  _exports.ShaderNode = ShaderNode;
  var uniform = new ShaderNode(function (inputNode) {
    inputNode.setConst(false);
    return inputNode;
  });
  _exports.uniform = uniform;

  var float = function float(val) {
    return ShaderNodeObject(new _FloatNode.default(val).setConst(true));
  };

  _exports.float = float;

  var color = function color() {
    for (var _len4 = arguments.length, params = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {
      params[_key4] = arguments[_key4];
    }

    return ShaderNodeObject(new _ColorNode.default(_construct(_three.Color, params)).setConst(true));
  };

  _exports.color = color;

  var join = function join() {
    for (var _len5 = arguments.length, params = new Array(_len5), _key5 = 0; _key5 < _len5; _key5++) {
      params[_key5] = arguments[_key5];
    }

    return ShaderNodeObject(new _JoinNode.default(ShaderNodeArray(params)));
  };

  _exports.join = join;

  var cond = function cond() {
    for (var _len6 = arguments.length, params = new Array(_len6), _key6 = 0; _key6 < _len6; _key6++) {
      params[_key6] = arguments[_key6];
    }

    return ShaderNodeObject(_construct(_CondNode.default, _toConsumableArray(ShaderNodeArray(params))));
  };

  _exports.cond = cond;

  var vec2 = function vec2() {
    var _params$;

    for (var _len7 = arguments.length, params = new Array(_len7), _key7 = 0; _key7 < _len7; _key7++) {
      params[_key7] = arguments[_key7];
    }

    if (((_params$ = params[0]) === null || _params$ === void 0 ? void 0 : _params$.isNode) === true) {
      return ShaderNodeObject(new _ConvertNode.default(params[0], 'vec2'));
    } else {
      // Providing one scalar value: This value is used for all components
      if (params.length === 1) {
        params[1] = params[0];
      }

      return ShaderNodeObject(new _Vector2Node.default(_construct(_three.Vector2, params)).setConst(true));
    }
  };

  _exports.vec2 = vec2;

  var vec3 = function vec3() {
    var _params$2;

    for (var _len8 = arguments.length, params = new Array(_len8), _key8 = 0; _key8 < _len8; _key8++) {
      params[_key8] = arguments[_key8];
    }

    if (((_params$2 = params[0]) === null || _params$2 === void 0 ? void 0 : _params$2.isNode) === true) {
      return ShaderNodeObject(new _ConvertNode.default(params[0], 'vec3'));
    } else {
      // Providing one scalar value: This value is used for all components
      if (params.length === 1) {
        params[1] = params[2] = params[0];
      }

      return ShaderNodeObject(new _Vector3Node.default(_construct(_three.Vector3, params)).setConst(true));
    }
  };

  _exports.vec3 = vec3;

  var vec4 = function vec4() {
    var _params$3;

    for (var _len9 = arguments.length, params = new Array(_len9), _key9 = 0; _key9 < _len9; _key9++) {
      params[_key9] = arguments[_key9];
    }

    if (((_params$3 = params[0]) === null || _params$3 === void 0 ? void 0 : _params$3.isNode) === true) {
      return ShaderNodeObject(new _ConvertNode.default(params[0], 'vec4'));
    } else {
      // Providing one scalar value: This value is used for all components
      if (params.length === 1) {
        params[1] = params[2] = params[3] = params[0];
      }

      return ShaderNodeObject(new _Vector4Node.default(_construct(_three.Vector4, params)).setConst(true));
    }
  };

  _exports.vec4 = vec4;

  var addTo = function addTo(varNode) {
    for (var _len10 = arguments.length, params = new Array(_len10 > 1 ? _len10 - 1 : 0), _key10 = 1; _key10 < _len10; _key10++) {
      params[_key10 - 1] = arguments[_key10];
    }

    varNode.node = add.apply(void 0, [varNode.node].concat(_toConsumableArray(ShaderNodeArray(params))));
    return ShaderNodeObject(varNode);
  };

  _exports.addTo = addTo;
  var add = ShaderNodeProxy(_OperatorNode.default, '+');
  _exports.add = add;
  var sub = ShaderNodeProxy(_OperatorNode.default, '-');
  _exports.sub = sub;
  var mul = ShaderNodeProxy(_OperatorNode.default, '*');
  _exports.mul = mul;
  var div = ShaderNodeProxy(_OperatorNode.default, '/');
  _exports.div = div;
  var equal = ShaderNodeProxy(_OperatorNode.default, '==');
  _exports.equal = equal;
  var assign = ShaderNodeProxy(_OperatorNode.default, '=');
  _exports.assign = assign;
  var greaterThan = ShaderNodeProxy(_OperatorNode.default, '>');
  _exports.greaterThan = greaterThan;
  var lessThanEqual = ShaderNodeProxy(_OperatorNode.default, '<=');
  _exports.lessThanEqual = lessThanEqual;
  var and = ShaderNodeProxy(_OperatorNode.default, '&&');
  _exports.and = and;
  var element = ShaderNodeProxy(_ArrayElementNode.default);
  _exports.element = element;
  var normalLocal = new _NormalNode.default(_NormalNode.default.LOCAL);
  _exports.normalLocal = normalLocal;
  var normalWorld = new _NormalNode.default(_NormalNode.default.WORLD);
  _exports.normalWorld = normalWorld;
  var normalView = new _NormalNode.default(_NormalNode.default.VIEW);
  _exports.normalView = normalView;
  var transformedNormalView = new _VarNode.default(new _NormalNode.default(_NormalNode.default.VIEW), 'TransformedNormalView', 'vec3');
  _exports.transformedNormalView = transformedNormalView;
  var positionLocal = new _PositionNode.default(_PositionNode.default.LOCAL);
  _exports.positionLocal = positionLocal;
  var positionWorld = new _PositionNode.default(_PositionNode.default.WORLD);
  _exports.positionWorld = positionWorld;
  var positionView = new _PositionNode.default(_PositionNode.default.VIEW);
  _exports.positionView = positionView;
  var positionViewDirection = new _PositionNode.default(_PositionNode.default.VIEW_DIRECTION);
  _exports.positionViewDirection = positionViewDirection;
  var PI = float(3.141592653589793);
  _exports.PI = PI;
  var PI2 = float(6.283185307179586);
  _exports.PI2 = PI2;
  var PI_HALF = float(1.5707963267948966);
  _exports.PI_HALF = PI_HALF;
  var RECIPROCAL_PI = float(0.3183098861837907);
  _exports.RECIPROCAL_PI = RECIPROCAL_PI;
  var RECIPROCAL_PI2 = float(0.15915494309189535);
  _exports.RECIPROCAL_PI2 = RECIPROCAL_PI2;
  var EPSILON = float(1e-6);
  _exports.EPSILON = EPSILON;
  var diffuseColor = new _PropertyNode.default('DiffuseColor', 'vec4');
  _exports.diffuseColor = diffuseColor;
  var roughness = new _PropertyNode.default('Roughness', 'float');
  _exports.roughness = roughness;
  var metalness = new _PropertyNode.default('Metalness', 'float');
  _exports.metalness = metalness;
  var alphaTest = new _PropertyNode.default('AlphaTest', 'float');
  _exports.alphaTest = alphaTest;
  var specularColor = new _PropertyNode.default('SpecularColor', 'color');
  _exports.specularColor = specularColor;
  var abs = ShaderNodeProxy(_MathNode.default, 'abs');
  _exports.abs = abs;
  var negate = ShaderNodeProxy(_MathNode.default, 'negate');
  _exports.negate = negate;
  var floor = ShaderNodeProxy(_MathNode.default, 'floor');
  _exports.floor = floor;
  var mod = ShaderNodeProxy(_MathNode.default, 'mod');
  _exports.mod = mod;
  var cross = ShaderNodeProxy(_MathNode.default, 'cross');
  _exports.cross = cross;
  var fract = ShaderNodeProxy(_MathNode.default, 'fract');
  _exports.fract = fract;
  var round = ShaderNodeProxy(_MathNode.default, 'round');
  _exports.round = round;
  var max = ShaderNodeProxy(_MathNode.default, 'max');
  _exports.max = max;
  var min = ShaderNodeProxy(_MathNode.default, 'min');
  _exports.min = min;
  var sin = ShaderNodeProxy(_MathNode.default, 'sin');
  _exports.sin = sin;
  var cos = ShaderNodeProxy(_MathNode.default, 'cos');
  _exports.cos = cos;
  var dot = ShaderNodeProxy(_MathNode.default, 'dot');
  _exports.dot = dot;
  var normalize = ShaderNodeProxy(_MathNode.default, 'normalize');
  _exports.normalize = normalize;
  var sqrt = ShaderNodeProxy(_MathNode.default, 'sqrt');
  _exports.sqrt = sqrt;
  var inversesqrt = ShaderNodeProxy(_MathNode.default, 'inversesqrt');
  _exports.inversesqrt = inversesqrt;
  var sign = ShaderNodeProxy(_MathNode.default, 'sign');
  _exports.sign = sign;
  var dFdx = ShaderNodeProxy(_MathNode.default, 'dFdx');
  _exports.dFdx = dFdx;
  var dFdy = ShaderNodeProxy(_MathNode.default, 'dFdy');
  _exports.dFdy = dFdy;
  var pow = ShaderNodeProxy(_MathNode.default, 'pow');
  _exports.pow = pow;
  var pow2 = ShaderNodeProxy(_MathNode.default, 'pow', 2);
  _exports.pow2 = pow2;
  var pow3 = ShaderNodeProxy(_MathNode.default, 'pow', 3);
  _exports.pow3 = pow3;
  var pow4 = ShaderNodeProxy(_MathNode.default, 'pow', 4);
  _exports.pow4 = pow4;
  var exp = ShaderNodeProxy(_MathNode.default, 'exp');
  _exports.exp = exp;
  var exp2 = ShaderNodeProxy(_MathNode.default, 'exp2');
  _exports.exp2 = exp2;
  var mix = ShaderNodeProxy(_MathNode.default, 'mix');
  _exports.mix = mix;
  var saturate = ShaderNodeProxy(_MathNode.default, 'saturate');
  _exports.saturate = saturate;
  var transformDirection = ShaderNodeProxy(_MathNode.default, 'transformDirection');
  _exports.transformDirection = transformDirection;
});