createCoplanarPolygonOutlineGeometry.js 3.5 KB

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  1. /**
  2. * Cesium - https://github.com/CesiumGS/cesium
  3. *
  4. * Copyright 2011-2020 Cesium Contributors
  5. *
  6. * Licensed under the Apache License, Version 2.0 (the "License");
  7. * you may not use this file except in compliance with the License.
  8. * You may obtain a copy of the License at
  9. *
  10. * http://www.apache.org/licenses/LICENSE-2.0
  11. *
  12. * Unless required by applicable law or agreed to in writing, software
  13. * distributed under the License is distributed on an "AS IS" BASIS,
  14. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15. * See the License for the specific language governing permissions and
  16. * limitations under the License.
  17. *
  18. * Columbus View (Pat. Pend.)
  19. *
  20. * Portions licensed separately.
  21. * See https://github.com/CesiumGS/cesium/blob/master/LICENSE.md for full licensing details.
  22. */
  23. define(["./when-a55a8a4c","./Check-bc1d37d9","./Math-73a8bd13","./Cartesian2-8c9f79ed","./Transforms-7a81c8c2","./RuntimeError-7c184ac0","./WebGLConstants-4c11ee5f","./ComponentDatatype-c2c50230","./GeometryAttribute-f9641809","./GeometryAttributes-1c7ce91d","./AttributeCompression-fbcb3321","./GeometryPipeline-24d3be03","./EncodedCartesian3-11d9c783","./IndexDatatype-486e7786","./IntersectionTests-3bb891b7","./Plane-a6a20716","./GeometryInstance-08f0b75f","./arrayRemoveDuplicates-9c727c83","./EllipsoidTangentPlane-7f2f6dd6","./OrientedBoundingBox-3bad3d73","./CoplanarPolygonGeometryLibrary-362fc2fc","./ArcType-66bc286a","./EllipsoidRhumbLine-cddfa697","./PolygonPipeline-c12287cd","./PolygonGeometryLibrary-d8e15d2e"],function(a,e,t,l,p,r,n,s,u,d,o,m,i,f,y,c,g,b,h,P,G,v,L,C,T){"use strict";function E(e){for(var t=e.length,r=new Float64Array(3*t),n=f.IndexDatatype.createTypedArray(t,2*t),o=0,a=0,i=0;i<t;i++){var y=e[i];r[o++]=y.x,r[o++]=y.y,r[o++]=y.z,n[a++]=i,n[a++]=(i+1)%t}var c=new d.GeometryAttributes({position:new u.GeometryAttribute({componentDatatype:s.ComponentDatatype.DOUBLE,componentsPerAttribute:3,values:r})});return new u.Geometry({attributes:c,indices:n,primitiveType:u.PrimitiveType.LINES})}function k(e){var t=(e=a.defaultValue(e,a.defaultValue.EMPTY_OBJECT)).polygonHierarchy;this._polygonHierarchy=t,this._workerName="createCoplanarPolygonOutlineGeometry",this.packedLength=T.PolygonGeometryLibrary.computeHierarchyPackedLength(t)+1}k.fromPositions=function(e){return new k({polygonHierarchy:{positions:(e=a.defaultValue(e,a.defaultValue.EMPTY_OBJECT)).positions}})},k.pack=function(e,t,r){return r=a.defaultValue(r,0),t[r=T.PolygonGeometryLibrary.packPolygonHierarchy(e._polygonHierarchy,t,r)]=e.packedLength,t};var H={polygonHierarchy:{}};return k.unpack=function(e,t,r){t=a.defaultValue(t,0);var n=T.PolygonGeometryLibrary.unpackPolygonHierarchy(e,t);t=n.startingIndex,delete n.startingIndex;var o=e[t];return a.defined(r)||(r=new k(H)),r._polygonHierarchy=n,r.packedLength=o,r},k.createGeometry=function(e){var t=e._polygonHierarchy,r=t.positions;if(!((r=b.arrayRemoveDuplicates(r,l.Cartesian3.equalsEpsilon,!0)).length<3)&&G.CoplanarPolygonGeometryLibrary.validOutline(r)){var n=T.PolygonGeometryLibrary.polygonOutlinesFromHierarchy(t,!1);if(0!==n.length){for(var o=[],a=0;a<n.length;a++){var i=new g.GeometryInstance({geometry:E(n[a])});o.push(i)}var y=m.GeometryPipeline.combineInstances(o)[0],c=p.BoundingSphere.fromPoints(t.positions);return new u.Geometry({attributes:y.attributes,indices:y.indices,primitiveType:y.primitiveType,boundingSphere:c})}}},function(e,t){return a.defined(t)&&(e=k.unpack(e,t)),e._ellipsoid=l.Ellipsoid.clone(e._ellipsoid),k.createGeometry(e)}});