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createCoplanarPolygonGeometry.js

createCoplanarPolygonGeometry.js 6.7 KB
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  1. /**
    2. 

  2.  * @license
    3. 

  3.  * Cesium - https://github.com/CesiumGS/cesium
    4. 

  4.  * Version 1.110.1
    5. 

  5.  *
    6. 

  6.  * Copyright 2011-2022 Cesium Contributors
    7. 

  7.  *
    8. 

  8.  * Licensed under the Apache License, Version 2.0 (the "License");
    9. 

  9.  * you may not use this file except in compliance with the License.
    10. 

  10.  * You may obtain a copy of the License at
    11. 

  11.  *
    12. 

  12.  * http://www.apache.org/licenses/LICENSE-2.0
    13. 

  13.  *
    14. 

  14.  * Unless required by applicable law or agreed to in writing, software
    15. 

  15.  * distributed under the License is distributed on an "AS IS" BASIS,
    16. 

  16.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    17. 

  17.  * See the License for the specific language governing permissions and
    18. 

  18.  * limitations under the License.
    19. 

  19.  *
    20. 

  20.  * Columbus View (Pat. Pend.)
    21. 

  21.  *
    22. 

  22.  * Portions licensed separately.
    23. 

  23.  * See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
    24. 

  24.  */
    25. 

  25. 

  26. import{a as et}from"./chunk-UBTZOT6V.js";import{a as U}from"./chunk-FGGK22BQ.js";import"./chunk-LTVWSPJ4.js";import{a as y}from"./chunk-4H2WV7QE.js";import"./chunk-LEGXNNON.js";import{a as I}from"./chunk-CE6W255B.js";import{a as $}from"./chunk-54EUFFXI.js";import"./chunk-CAKU43HZ.js";import"./chunk-WNXNCTQK.js";import{a as u}from"./chunk-FEU4H2YL.js";import"./chunk-BV3RKX5O.js";import"./chunk-XQLAWHTP.js";import{b as ot}from"./chunk-P2SABSEB.js";import{a as tt}from"./chunk-FO3UCCVP.js";import"./chunk-GTKXIG42.js";import"./chunk-EVUMPJJC.js";import"./chunk-BXMC6F3B.js";import{a as J}from"./chunk-EUSUDYW7.js";import{a as X}from"./chunk-XYZU5ZKW.js";import{b as K,c as Y,d as z}from"./chunk-ADEEKX5Q.js";import{d as Z,f as Q}from"./chunk-O5E7EBKP.js";import"./chunk-LEJDAZA7.js";import{d as x}from"./chunk-GMFQULD7.js";import{a as N}from"./chunk-IS523WNE.js";import{a as i,c as m,d as P}from"./chunk-4ZQSV4FU.js";import{a as q}from"./chunk-CLQ5X6HS.js";import"./chunk-6Y3U6IMI.js";import"./chunk-7DENS74L.js";import{a as f}from"./chunk-FOJGNIAW.js";import{b as B}from"./chunk-UGI536VH.js";import{e as g}from"./chunk-BQUQ5TPM.js";var st=new i,at=new et,pt=new x,lt=new x,mt=new i,ft=new i,ut=new i,V=new i,yt=new i,ht=new i,nt=new Q,dt=new P,gt=new P,Pt=new i;function wt(e,t,o,a,h,A,r,n,p){let b=e.positions,c=ot.triangulate(e.positions2D,e.holes);c.length<3&&(c=[0,1,2]);let w=J.createTypedArray(b.length,c.length);w.set(c);let S=dt;if(a!==0){let d=Q.fromAxisAngle(r,a,nt);if(S=P.fromQuaternion(d,S),t.tangent||t.bitangent){d=Q.fromAxisAngle(r,-a,nt);let G=P.fromQuaternion(d,gt);n=i.normalize(P.multiplyByVector(G,n,n),n),t.bitangent&&(p=i.normalize(i.cross(r,n,p),p))}}else S=P.clone(P.IDENTITY,S);let j=lt;t.st&&(j.x=o.x,j.y=o.y);let k=b.length,C=k*3,L=new Float64Array(C),T=t.normal?new Float32Array(C):void 0,D=t.tangent?new Float32Array(C):void 0,R=t.bitangent?new Float32Array(C):void 0,H=t.st?new Float32Array(k*2):void 0,M=0,F=0,l=0,O=0,s=0;for(let d=0;d<k;d++){let G=b[d];if(L[M++]=G.x,L[M++]=G.y,L[M++]=G.z,t.st)if(g(h)&&h.positions.length===k)H[s++]=h.positions[d].x,H[s++]=h.positions[d].y;else{let it=P.multiplyByVector(S,G,st),v=A(it,pt);x.subtract(v,j,v);let rt=q.clamp(v.x/o.width,0,1),ct=q.clamp(v.y/o.height,0,1);H[s++]=rt,H[s++]=ct}t.normal&&(T[F++]=r.x,T[F++]=r.y,T[F++]=r.z),t.tangent&&(D[O++]=n.x,D[O++]=n.y,D[O++]=n.z),t.bitangent&&(R[l++]=p.x,R[l++]=p.y,R[l++]=p.z)}let _=new X;return t.position&&(_.position=new z({componentDatatype:N.DOUBLE,componentsPerAttribute:3,values:L})),t.normal&&(_.normal=new z({componentDatatype:N.FLOAT,componentsPerAttribute:3,values:T})),t.tangent&&(_.tangent=new z({componentDatatype:N.FLOAT,componentsPerAttribute:3,values:D})),t.bitangent&&(_.bitangent=new z({componentDatatype:N.FLOAT,componentsPerAttribute:3,values:R})),t.st&&(_.st=new z({componentDatatype:N.FLOAT,componentsPerAttribute:2,values:H})),new Y({attributes:_,indices:w,primitiveType:K.TRIANGLES})}function E(e){e=f(e,f.EMPTY_OBJECT);let t=e.polygonHierarchy,o=e.textureCoordinates;B.defined("options.polygonHierarchy",t);let a=f(e.vertexFormat,u.DEFAULT);this._vertexFormat=u.clone(a),this._polygonHierarchy=t,this._stRotation=f(e.stRotation,0),this._ellipsoid=m.clone(f(e.ellipsoid,m.WGS84)),this._workerName="createCoplanarPolygonGeometry",this._textureCoordinates=o,this.packedLength=y.computeHierarchyPackedLength(t,i)+u.packedLength+m.packedLength+(g(o)?y.computeHierarchyPackedLength(o,x):1)+2}E.fromPositions=function(e){e=f(e,f.EMPTY_OBJECT),B.defined("options.positions",e.positions);let t={polygonHierarchy:{positions:e.positions},vertexFormat:e.vertexFormat,stRotation:e.stRotation,ellipsoid:e.ellipsoid,textureCoordinates:e.textureCoordinates};return new E(t)};E.pack=function(e,t,o){return B.typeOf.object("value",e),B.defined("array",t),o=f(o,0),o=y.packPolygonHierarchy(e._polygonHierarchy,t,o,i),m.pack(e._ellipsoid,t,o),o+=m.packedLength,u.pack(e._vertexFormat,t,o),o+=u.packedLength,t[o++]=e._stRotation,g(e._textureCoordinates)?o=y.packPolygonHierarchy(e._textureCoordinates,t,o,x):t[o++]=-1,t[o++]=e.packedLength,t};var _t=m.clone(m.UNIT_SPHERE),At=new u,bt={polygonHierarchy:{}};E.unpack=function(e,t,o){B.defined("array",e),t=f(t,0);let a=y.unpackPolygonHierarchy(e,t,i);t=a.startingIndex,delete a.startingIndex;let h=m.unpack(e,t,_t);t+=m.packedLength;let A=u.unpack(e,t,At);t+=u.packedLength;let r=e[t++],n=e[t]===-1?void 0:y.unpackPolygonHierarchy(e,t,x);g(n)?(t=n.startingIndex,delete n.startingIndex):t++;let p=e[t++];return g(o)||(o=new E(bt)),o._polygonHierarchy=a,o._ellipsoid=m.clone(h,o._ellipsoid),o._vertexFormat=u.clone(A,o._vertexFormat),o._stRotation=r,o._textureCoordinates=n,o.packedLength=p,o};E.createGeometry=function(e){let t=e._vertexFormat,o=e._polygonHierarchy,a=e._stRotation,h=e._textureCoordinates,A=g(h),r=o.positions;if(r=tt(r,i.equalsEpsilon,!0),r.length<3)return;let n=mt,p=ft,b=ut,c=yt,w=ht;if(!U.computeProjectTo2DArguments(r,V,c,w))return;if(n=i.cross(c,w,n),n=i.normalize(n,n),!i.equalsEpsilon(V,i.ZERO,q.EPSILON6)){let s=e._ellipsoid.geodeticSurfaceNormal(V,Pt);i.dot(n,s)<0&&(n=i.negate(n,n),c=i.negate(c,c))}let j=U.createProjectPointsTo2DFunction(V,c,w),k=U.createProjectPointTo2DFunction(V,c,w);t.tangent&&(p=i.clone(c,p)),t.bitangent&&(b=i.clone(w,b));let C=y.polygonsFromHierarchy(o,A,j,!1),L=C.hierarchy,T=C.polygons,D=function(s){return s},R=A?y.polygonsFromHierarchy(h,!0,D,!1).polygons:void 0;if(L.length===0)return;r=L[0].outerRing;let H=Z.fromPoints(r),M=y.computeBoundingRectangle(n,k,r,a,at),F=[];for(let s=0;s<T.length;s++){let _=new I({geometry:wt(T[s],t,M,a,A?R[s]:void 0,k,n,p,b)});F.push(_)}let l=$.combineInstances(F)[0];l.attributes.position.values=new Float64Array(l.attributes.position.values),l.indices=J.createTypedArray(l.attributes.position.values.length/3,l.indices);let O=l.attributes;return t.position||delete O.position,new Y({attributes:O,indices:l.indices,primitiveType:l.primitiveType,boundingSphere:H})};var W=E;function kt(e,t){return g(t)&&(e=W.unpack(e,t)),W.createGeometry(e)}var Xt=kt;export{Xt as default};
    27.