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							- /**
 -  * Cesium - https://github.com/AnalyticalGraphicsInc/cesium
 -  *
 -  * Copyright 2011-2020 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-0488ac89","./Check-78ca6843"],function(e,o,t){"use strict";function a(e){e=o.defaultValue(e,o.defaultValue.EMPTY_OBJECT),this.position=o.defaultValue(e.position,!1),this.normal=o.defaultValue(e.normal,!1),this.st=o.defaultValue(e.st,!1),this.bitangent=o.defaultValue(e.bitangent,!1),this.tangent=o.defaultValue(e.tangent,!1),this.color=o.defaultValue(e.color,!1)}a.POSITION_ONLY=o.freezeObject(new a({position:!0})),a.POSITION_AND_NORMAL=o.freezeObject(new a({position:!0,normal:!0})),a.POSITION_NORMAL_AND_ST=o.freezeObject(new a({position:!0,normal:!0,st:!0})),a.POSITION_AND_ST=o.freezeObject(new a({position:!0,st:!0})),a.POSITION_AND_COLOR=o.freezeObject(new a({position:!0,color:!0})),a.ALL=o.freezeObject(new a({position:!0,normal:!0,st:!0,tangent:!0,bitangent:!0})),a.DEFAULT=a.POSITION_NORMAL_AND_ST,a.packedLength=6,a.pack=function(e,t,n){return n=o.defaultValue(n,0),t[n++]=e.position?1:0,t[n++]=e.normal?1:0,t[n++]=e.st?1:0,t[n++]=e.tangent?1:0,t[n++]=e.bitangent?1:0,t[n]=e.color?1:0,t},a.unpack=function(e,t,n){return t=o.defaultValue(t,0),o.defined(n)||(n=new a),n.position=1===e[t++],n.normal=1===e[t++],n.st=1===e[t++],n.tangent=1===e[t++],n.bitangent=1===e[t++],n.color=1===e[t],n},a.clone=function(e,t){if(o.defined(e))return o.defined(t)||(t=new a),t.position=e.position,t.normal=e.normal,t.st=e.st,t.tangent=e.tangent,t.bitangent=e.bitangent,t.color=e.color,t},e.VertexFormat=a});
 
 
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