cesium/Build/Cesium/Workers/createCoplanarPolygonGeometry.js

CesiumJS is a JavaScript library for creating 3D globes and 2D maps in a web browser without a plugin.

define(["./arrayRemoveDuplicates-3fea1e5f","./BoundingRectangle-07202124","./Transforms-79117a7b","./Cartesian2-8646c5a1","./Check-24483042","./ComponentDatatype-1a100acd","./CoplanarPolygonGeometryLibrary-32520d7a","./when-54335d57","./GeometryAttribute-374f805d","./GeometryAttributes-caa08d6c","./GeometryInstance-6aa9010a","./GeometryPipeline-571ff4c9","./IndexDatatype-82ceea78","./Math-d6182036","./PolygonGeometryLibrary-2a7648d9","./PolygonPipeline-97a7160d","./VertexFormat-81ec7207","./RuntimeError-88a32665","./WebGLConstants-95ceb4e9","./OrientedBoundingBox-eb360dc3","./EllipsoidTangentPlane-325a8e68","./IntersectionTests-5394f658","./Plane-13ae4b1b","./AttributeCompression-10c27d9c","./EncodedCartesian3-bf827957","./ArcType-2b58731c","./EllipsoidRhumbLine-2b7999f3"],function(b,e,L,E,t,T,C,l,D,_,v,f,k,V,x,R,s,a,n,r,o,i,p,y,c,m,u){"use strict";var I=new E.Cartesian3,P=new e.BoundingRectangle,M=new E.Cartesian2,H=new E.Cartesian2,w=new E.Cartesian3,A=new E.Cartesian3,F=new E.Cartesian3,G=new E.Cartesian3,B=new E.Cartesian3,O=new E.Cartesian3,z=new L.Quaternion,S=new L.Matrix3,N=new L.Matrix3,Q=new E.Cartesian3;function d(e){var t=(e=l.defaultValue(e,l.defaultValue.EMPTY_OBJECT)).polygonHierarchy,a=l.defaultValue(e.vertexFormat,s.VertexFormat.DEFAULT);this._vertexFormat=s.VertexFormat.clone(a),this._polygonHierarchy=t,this._stRotation=l.defaultValue(e.stRotation,0),this._ellipsoid=E.Ellipsoid.clone(l.defaultValue(e.ellipsoid,E.Ellipsoid.WGS84)),this._workerName="createCoplanarPolygonGeometry",this.packedLength=x.PolygonGeometryLibrary.computeHierarchyPackedLength(t)+s.VertexFormat.packedLength+E.Ellipsoid.packedLength+2}d.fromPositions=function(e){return new d({polygonHierarchy:{positions:(e=l.defaultValue(e,l.defaultValue.EMPTY_OBJECT)).positions},vertexFormat:e.vertexFormat,stRotation:e.stRotation,ellipsoid:e.ellipsoid})},d.pack=function(e,t,a){return a=l.defaultValue(a,0),a=x.PolygonGeometryLibrary.packPolygonHierarchy(e._polygonHierarchy,t,a),E.Ellipsoid.pack(e._ellipsoid,t,a),a+=E.Ellipsoid.packedLength,s.VertexFormat.pack(e._vertexFormat,t,a),a+=s.VertexFormat.packedLength,t[a++]=e._stRotation,t[a]=e.packedLength,t};var g=E.Ellipsoid.clone(E.Ellipsoid.UNIT_SPHERE),h=new s.VertexFormat,j={polygonHierarchy:{}};return d.unpack=function(e,t,a){t=l.defaultValue(t,0);var n=x.PolygonGeometryLibrary.unpackPolygonHierarchy(e,t);t=n.startingIndex,delete n.startingIndex;var r=E.Ellipsoid.unpack(e,t,g);t+=E.Ellipsoid.packedLength;var o=s.VertexFormat.unpack(e,t,h);t+=s.VertexFormat.packedLength;var i=e[t++],t=e[t];return(a=!l.defined(a)?new d(j):a)._polygonHierarchy=n,a._ellipsoid=E.Ellipsoid.clone(r,a._ellipsoid),a._vertexFormat=s.VertexFormat.clone(o,a._vertexFormat),a._stRotation=i,a.packedLength=t,a},d.createGeometry=function(e){var t=e._vertexFormat,a=e._polygonHierarchy,n=e._stRotation,r=a.positions;if(!((r=b.arrayRemoveDuplicates(r,E.Cartesian3.equalsEpsilon,!0)).length<3)){var o=w,i=A,l=F,s=B,p=O;if(C.CoplanarPolygonGeometryLibrary.computeProjectTo2DArguments(r,G,s,p)){o=E.Cartesian3.cross(s,p,o);o=E.Cartesian3.normalize(o,o),E.Cartesian3.equalsEpsilon(G,E.Cartesian3.ZERO,V.CesiumMath.EPSILON6)||(y=e._ellipsoid.geodeticSurfaceNormal(G,Q),E.Cartesian3.dot(o,y)<0&&(o=E.Cartesian3.negate(o,o),s=E.Cartesian3.negate(s,s)));var y=C.CoplanarPolygonGeometryLibrary.createProjectPointsTo2DFunction(G,s,p),c=C.CoplanarPolygonGeometryLibrary.createProjectPointTo2DFunction(G,s,p);t.tangent&&(i=E.Cartesian3.clone(s,i)),t.bitangent&&(l=E.Cartesian3.clone(p,l));var a=x.PolygonGeometryLibrary.polygonsFromHierarchy(a,y,!1),y=a.hierarchy,m=a.polygons;if(0!==y.length){for(var r=y[0].outerRing,a=L.BoundingSphere.fromPoints(r),u=x.PolygonGeometryLibrary.computeBoundingRectangle(o,c,r,n,P),d=[],g=0;g<m.length;g++){var h=new v.GeometryInstance({geometry:function(e,t,a,n,r,o,i,l){var s=e.positions,p=R.PolygonPipeline.triangulate(e.positions2D,e.holes);p.length<3&&(p=[0,1,2]),(e=k.IndexDatatype.createTypedArray(s.length,p.length)).set(p);var y=S;0!==n?(p=L.Quaternion.fromAxisAngle(o,n,z),y=L.Matrix3.fromQuaternion(p,y),(t.tangent||t.bitangent)&&(p=L.Quaternion.fromAxisAngle(o,-n,z),u=L.Matrix3.fromQuaternion(p,N),i=E.Cartesian3.normalize(L.Matrix3.multiplyByVector(u,i,i),i),t.bitangent&&(l=E.Cartesian3.normalize(E.Cartesian3.cross(o,i,l),l)))):y=L.Matrix3.clone(L.Matrix3.IDENTITY,y);var c=H;t.st&&(c.x=a.x,c.y=a.y);for(var m=s.length,u=3*m,d=new Float64Array(u),g=t.normal?new Float32Array(u):void 0,h=t.tangent?new Float32Array(u):void 0,b=t.bitangent?new Float32Array(u):void 0,C=t.st?new Float32Array(2*m):void 0,v=0,f=0,x=0,P=0,w=0,A=0;A<m;A++){var F,G=s[A];d[v++]=G.x,d[v++]=G.y,d[v++]=G.z,t.st&&(F=r(L.Matrix3.multiplyByVector(y,G,I),M),E.Cartesian2.subtract(F,c,F),G=V.CesiumMath.clamp(F.x/a.width,0,1),F=V.CesiumMath.clamp(F.y/a.height,0,1),C[w++]=G,C[w++]=F),t.normal&&(g[f++]=o.x,g[f++]=o.y,g[f++]=o.z),t.tangent&&(h[P++]=i.x,h[P++]=i.y,h[P++]=i.z),t.bitangent&&(b[x++]=l.x,b[x++]=l.y,b[x++]=l.z)}return u=new _.GeometryAttributes,t.position&&(u.position=new D.GeometryAttribute({componentDatatype:T.ComponentDatatype.DOUBLE,componentsPerAttribute:3,values:d})),t.normal&&(u.normal=new D.GeometryAttribute({componentDatatype:T.ComponentDatatype.FLOAT,componentsPerAttribute:3,values:g})),t.tangent&&(u.tangent=new D.GeometryAttribute({componentDatatype:T.ComponentDatatype.FLOAT,componentsPerAttribute:3,values:h})),t.bitangent&&(u.bitangent=new D.GeometryAttribute({componentDatatype:T.ComponentDatatype.FLOAT,componentsPerAttribute:3,values:b})),t.st&&(u.st=new D.GeometryAttribute({componentDatatype:T.ComponentDatatype.FLOAT,componentsPerAttribute:2,values:C})),new D.Geometry({attributes:u,indices:e,primitiveType:D.PrimitiveType.TRIANGLES})}(m[g],t,u,n,c,o,i,l)});d.push(h)}y=f.GeometryPipeline.combineInstances(d)[0];y.attributes.position.values=new Float64Array(y.attributes.position.values),y.indices=k.IndexDatatype.createTypedArray(y.attributes.position.values.length/3,y.indices);r=y.attributes;return t.position||delete r.position,new D.Geometry({attributes:r,indices:y.indices,primitiveType:y.primitiveType,boundingSphere:a})}}}},function(e,t){return l.defined(t)&&(e=d.unpack(e,t)),d.createGeometry(e)}});