{"version":3,"file":"GeometryInstance-d57564f8.js","sources":["../../../../Source/Core/GeometryInstance.js"],"sourcesContent":["import defaultValue from \"./defaultValue.js\";\nimport defined from \"./defined.js\";\nimport DeveloperError from \"./DeveloperError.js\";\nimport Matrix4 from \"./Matrix4.js\";\n\n/**\n * Geometry instancing allows one {@link Geometry} object to be positions in several\n * different locations and colored uniquely.  For example, one {@link BoxGeometry} can\n * be instanced several times, each with a different <code>modelMatrix</code> to change\n * its position, rotation, and scale.\n *\n * @alias GeometryInstance\n * @constructor\n *\n * @param {Object} options Object with the following properties:\n * @param {Geometry|GeometryFactory} options.geometry The geometry to instance.\n * @param {Matrix4} [options.modelMatrix=Matrix4.IDENTITY] The model matrix that transforms to transform the geometry from model to world coordinates.\n * @param {Object} [options.id] A user-defined object to return when the instance is picked with {@link Scene#pick} or get/set per-instance attributes with {@link Primitive#getGeometryInstanceAttributes}.\n * @param {Object} [options.attributes] Per-instance attributes like a show or color attribute shown in the example below.\n *\n *\n * @example\n * // Create geometry for a box, and two instances that refer to it.\n * // One instance positions the box on the bottom and colored aqua.\n * // The other instance positions the box on the top and color white.\n * const geometry = Cesium.BoxGeometry.fromDimensions({\n *   vertexFormat : Cesium.VertexFormat.POSITION_AND_NORMAL,\n *   dimensions : new Cesium.Cartesian3(1000000.0, 1000000.0, 500000.0)\n * });\n * const instanceBottom = new Cesium.GeometryInstance({\n *   geometry : geometry,\n *   modelMatrix : Cesium.Matrix4.multiplyByTranslation(Cesium.Transforms.eastNorthUpToFixedFrame(\n *     Cesium.Cartesian3.fromDegrees(-75.59777, 40.03883)), new Cesium.Cartesian3(0.0, 0.0, 1000000.0), new Cesium.Matrix4()),\n *   attributes : {\n *     color : Cesium.ColorGeometryInstanceAttribute.fromColor(Cesium.Color.AQUA)\n *   },\n *   id : 'bottom'\n * });\n * const instanceTop = new Cesium.GeometryInstance({\n *   geometry : geometry,\n *   modelMatrix : Cesium.Matrix4.multiplyByTranslation(Cesium.Transforms.eastNorthUpToFixedFrame(\n *     Cesium.Cartesian3.fromDegrees(-75.59777, 40.03883)), new Cesium.Cartesian3(0.0, 0.0, 3000000.0), new Cesium.Matrix4()),\n *   attributes : {\n *     color : Cesium.ColorGeometryInstanceAttribute.fromColor(Cesium.Color.AQUA)\n *   },\n *   id : 'top'\n * });\n *\n * @see Geometry\n */\nfunction GeometryInstance(options) {\n  options = defaultValue(options, defaultValue.EMPTY_OBJECT);\n\n  //>>includeStart('debug', pragmas.debug);\n  if (!defined(options.geometry)) {\n    throw new DeveloperError(\"options.geometry is required.\");\n  }\n  //>>includeEnd('debug');\n\n  /**\n   * The geometry being instanced.\n   *\n   * @type Geometry\n   *\n   * @default undefined\n   */\n  this.geometry = options.geometry;\n\n  /**\n   * The 4x4 transformation matrix that transforms the geometry from model to world coordinates.\n   * When this is the identity matrix, the geometry is drawn in world coordinates, i.e., Earth's WGS84 coordinates.\n   * Local reference frames can be used by providing a different transformation matrix, like that returned\n   * by {@link Transforms.eastNorthUpToFixedFrame}.\n   *\n   * @type Matrix4\n   *\n   * @default Matrix4.IDENTITY\n   */\n  this.modelMatrix = Matrix4.clone(\n    defaultValue(options.modelMatrix, Matrix4.IDENTITY)\n  );\n\n  /**\n   * User-defined object returned when the instance is picked or used to get/set per-instance attributes.\n   *\n   * @type Object\n   *\n   * @default undefined\n   *\n   * @see Scene#pick\n   * @see Primitive#getGeometryInstanceAttributes\n   */\n  this.id = options.id;\n\n  /**\n   * Used for picking primitives that wrap geometry instances.\n   *\n   * @private\n   */\n  this.pickPrimitive = options.pickPrimitive;\n\n  /**\n   * Per-instance attributes like {@link ColorGeometryInstanceAttribute} or {@link ShowGeometryInstanceAttribute}.\n   * {@link Geometry} attributes varying per vertex; these attributes are constant for the entire instance.\n   *\n   * @type Object\n   *\n   * @default undefined\n   */\n  this.attributes = defaultValue(options.attributes, {});\n\n  /**\n   * @private\n   */\n  this.westHemisphereGeometry = undefined;\n  /**\n   * @private\n   */\n  this.eastHemisphereGeometry = undefined;\n}\nexport default GeometryInstance;\n"],"names":["defaultValue","defined","DeveloperError","Matrix4"],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;EAKA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA,SAAS,gBAAgB,CAAC,OAAO,EAAE;EACnC,EAAE,OAAO,GAAGA,iBAAY,CAAC,OAAO,EAAEA,iBAAY,CAAC,YAAY,CAAC,CAAC;AAC7D;EACA;EACA,EAAE,IAAI,CAACC,YAAO,CAAC,OAAO,CAAC,QAAQ,CAAC,EAAE;EAClC,IAAI,MAAM,IAAIC,2BAAc,CAAC,+BAA+B,CAAC,CAAC;EAC9D,GAAG;EACH;AACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA,EAAE,IAAI,CAAC,QAAQ,GAAG,OAAO,CAAC,QAAQ,CAAC;AACnC;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA,EAAE,IAAI,CAAC,WAAW,GAAGC,eAAO,CAAC,KAAK;EAClC,IAAIH,iBAAY,CAAC,OAAO,CAAC,WAAW,EAAEG,eAAO,CAAC,QAAQ,CAAC;EACvD,GAAG,CAAC;AACJ;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA,EAAE,IAAI,CAAC,EAAE,GAAG,OAAO,CAAC,EAAE,CAAC;AACvB;EACA;EACA;EACA;EACA;EACA;EACA,EAAE,IAAI,CAAC,aAAa,GAAG,OAAO,CAAC,aAAa,CAAC;AAC7C;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA;EACA,EAAE,IAAI,CAAC,UAAU,GAAGH,iBAAY,CAAC,OAAO,CAAC,UAAU,EAAE,EAAE,CAAC,CAAC;AACzD;EACA;EACA;EACA;EACA,EAAE,IAAI,CAAC,sBAAsB,GAAG,SAAS,CAAC;EAC1C;EACA;EACA;EACA,EAAE,IAAI,CAAC,sBAAsB,GAAG,SAAS,CAAC;EAC1C;;;;;;;;"}