guanyun3d/public/lib/Cesium-1.99/Workers/GeometryAttributes-899f8bd0.js

/**
 * @license
 * Cesium - https://github.com/CesiumGS/cesium
 * Version 1.99
 *
 * Copyright 2011-2022 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/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
 */

define(['exports', './defaultValue-135942ca'], (function (exports, defaultValue) { '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 = defaultValue.defaultValue(options, defaultValue.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;

}));