text: /**
   * Cesium - https://github.com/AnalyticalGraphicsInc/cesium
   *
   * Copyright 2011-2017 Cesium Contributors
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   *
   * Columbus View (Pat. Pend.)
   *
   * Portions licensed separately.
   * See https://github.com/AnalyticalGraphicsInc/cesium/blob/master/LICENSE.md for full licensing details.
   */
  define(['exports', './when-a55a8a4c'], function (exports, when) { 'use strict';
  
      /**
           * Attributes, which make up a geometry's vertices.  Each property in this object corresponds to a
           * {@link GeometryAttribute} containing the attribute's data.
           * <p>
           * Attributes are always stored non-interleaved in a Geometry.
           * </p>
           *
           * @alias GeometryAttributes
           * @constructor
           */
          function GeometryAttributes(options) {
              options = when.defaultValue(options, when.defaultValue.EMPTY_OBJECT);
  
              /**
               * The 3D position attribute.
               * <p>
               * 64-bit floating-point (for precision).  3 components per attribute.
               * </p>
               *
               * @type GeometryAttribute
               *
               * @default undefined
               */
              this.position = options.position;
  
              /**
               * The normal attribute (normalized), which is commonly used for lighting.
               * <p>
               * 32-bit floating-point.  3 components per attribute.
               * </p>
               *
               * @type GeometryAttribute
               *
               * @default undefined
               */
              this.normal = options.normal;
  
              /**
               * The 2D texture coordinate attribute.
               * <p>
               * 32-bit floating-point.  2 components per attribute
               * </p>
               *
               * @type GeometryAttribute
               *
               * @default undefined
               */
              this.st = options.st;
  
              /**
               * The bitangent attribute (normalized), which is used for tangent-space effects like bump mapping.
               * <p>
               * 32-bit floating-point.  3 components per attribute.
               * </p>
               *
               * @type GeometryAttribute
               *
               * @default undefined
               */
              this.bitangent = options.bitangent;
  
              /**
               * The tangent attribute (normalized), which is used for tangent-space effects like bump mapping.
               * <p>
               * 32-bit floating-point.  3 components per attribute.
               * </p>
               *
               * @type GeometryAttribute
               *
               * @default undefined
               */
              this.tangent = options.tangent;
  
              /**
               * The color attribute.
               * <p>
               * 8-bit unsigned integer. 4 components per attribute.
               * </p>
               *
               * @type GeometryAttribute
               *
               * @default undefined
               */
              this.color = options.color;
          }
  
      exports.GeometryAttributes = GeometryAttributes;
  
  });
  