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createWallGeometry.js

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

  2.  * @license
    3. 

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

  4.  * Version 1.97
    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. define(["./defaultValue-a6eb9f34","./Matrix2-276d97d2","./Transforms-0c3fa360","./ComponentDatatype-7f6d9570","./GeometryAttribute-54019f82","./GeometryAttributes-aff51037","./IndexDatatype-856d3a0c","./VertexFormat-31cdbccc","./WallGeometryLibrary-e26c7d83","./RuntimeError-07496d94","./_commonjsHelpers-89c9b271","./combine-7cf28d88","./WebGLConstants-d81b330d","./arrayRemoveDuplicates-7ccf3114","./PolylinePipeline-f9c3fc71","./EllipsoidGeodesic-3107c30b","./EllipsoidRhumbLine-f1dbc710","./IntersectionTests-fbcff83c","./Plane-17fe9d66"],(function(e,t,n,i,a,o,r,s,l,m,c,u,d,p,f,y,g,h,C){"use strict";const x=new t.Cartesian3,b=new t.Cartesian3,A=new t.Cartesian3,_=new t.Cartesian3,E=new t.Cartesian3,w=new t.Cartesian3,F=new t.Cartesian3;function v(n){const a=(n=e.defaultValue(n,e.defaultValue.EMPTY_OBJECT)).positions,o=n.maximumHeights,r=n.minimumHeights,l=e.defaultValue(n.vertexFormat,s.VertexFormat.DEFAULT),m=e.defaultValue(n.granularity,i.CesiumMath.RADIANS_PER_DEGREE),c=e.defaultValue(n.ellipsoid,t.Ellipsoid.WGS84);this._positions=a,this._minimumHeights=r,this._maximumHeights=o,this._vertexFormat=s.VertexFormat.clone(l),this._granularity=m,this._ellipsoid=t.Ellipsoid.clone(c),this._workerName="createWallGeometry";let u=1+a.length*t.Cartesian3.packedLength+2;e.defined(r)&&(u+=r.length),e.defined(o)&&(u+=o.length),this.packedLength=u+t.Ellipsoid.packedLength+s.VertexFormat.packedLength+1}v.pack=function(n,i,a){let o;a=e.defaultValue(a,0);const r=n._positions;let l=r.length;for(i[a++]=l,o=0;o<l;++o,a+=t.Cartesian3.packedLength)t.Cartesian3.pack(r[o],i,a);const m=n._minimumHeights;if(l=e.defined(m)?m.length:0,i[a++]=l,e.defined(m))for(o=0;o<l;++o)i[a++]=m[o];const c=n._maximumHeights;if(l=e.defined(c)?c.length:0,i[a++]=l,e.defined(c))for(o=0;o<l;++o)i[a++]=c[o];return t.Ellipsoid.pack(n._ellipsoid,i,a),a+=t.Ellipsoid.packedLength,s.VertexFormat.pack(n._vertexFormat,i,a),i[a+=s.VertexFormat.packedLength]=n._granularity,i};const L=t.Ellipsoid.clone(t.Ellipsoid.UNIT_SPHERE),H=new s.VertexFormat,V={positions:void 0,minimumHeights:void 0,maximumHeights:void 0,ellipsoid:L,vertexFormat:H,granularity:void 0};return v.unpack=function(n,i,a){let o;i=e.defaultValue(i,0);let r=n[i++];const l=new Array(r);for(o=0;o<r;++o,i+=t.Cartesian3.packedLength)l[o]=t.Cartesian3.unpack(n,i);let m,c;if(r=n[i++],r>0)for(m=new Array(r),o=0;o<r;++o)m[o]=n[i++];if(r=n[i++],r>0)for(c=new Array(r),o=0;o<r;++o)c[o]=n[i++];const u=t.Ellipsoid.unpack(n,i,L);i+=t.Ellipsoid.packedLength;const d=s.VertexFormat.unpack(n,i,H),p=n[i+=s.VertexFormat.packedLength];return e.defined(a)?(a._positions=l,a._minimumHeights=m,a._maximumHeights=c,a._ellipsoid=t.Ellipsoid.clone(u,a._ellipsoid),a._vertexFormat=s.VertexFormat.clone(d,a._vertexFormat),a._granularity=p,a):(V.positions=l,V.minimumHeights=m,V.maximumHeights=c,V.granularity=p,new v(V))},v.fromConstantHeights=function(t){const n=(t=e.defaultValue(t,e.defaultValue.EMPTY_OBJECT)).positions;let i,a;const o=t.minimumHeight,r=t.maximumHeight,s=e.defined(o),l=e.defined(r);if(s||l){const e=n.length;i=s?new Array(e):void 0,a=l?new Array(e):void 0;for(let t=0;t<e;++t)s&&(i[t]=o),l&&(a[t]=r)}return new v({positions:n,maximumHeights:a,minimumHeights:i,ellipsoid:t.ellipsoid,vertexFormat:t.vertexFormat})},v.createGeometry=function(s){const m=s._positions,c=s._minimumHeights,u=s._maximumHeights,d=s._vertexFormat,p=s._granularity,f=s._ellipsoid,y=l.WallGeometryLibrary.computePositions(f,m,u,c,p,!0);if(!e.defined(y))return;const g=y.bottomPositions,h=y.topPositions,C=y.numCorners;let v=h.length,L=2*v;const H=d.position?new Float64Array(L):void 0,V=d.normal?new Float32Array(L):void 0,k=d.tangent?new Float32Array(L):void 0,G=d.bitangent?new Float32Array(L):void 0,D=d.st?new Float32Array(L/3*2):void 0;let P,T=0,z=0,O=0,R=0,S=0,I=F,N=w,M=E,W=!0;v/=3;let B=0;const U=1/(v-C-1);for(P=0;P<v;++P){const e=3*P,n=t.Cartesian3.fromArray(h,e,x),a=t.Cartesian3.fromArray(g,e,b);if(d.position&&(H[T++]=a.x,H[T++]=a.y,H[T++]=a.z,H[T++]=n.x,H[T++]=n.y,H[T++]=n.z),d.st&&(D[S++]=B,D[S++]=0,D[S++]=B,D[S++]=1),d.normal||d.tangent||d.bitangent){let a=t.Cartesian3.clone(t.Cartesian3.ZERO,_);const o=t.Cartesian3.subtract(n,f.geodeticSurfaceNormal(n,b),b);if(P+1<v&&(a=t.Cartesian3.fromArray(h,e+3,_)),W){const e=t.Cartesian3.subtract(a,n,A),i=t.Cartesian3.subtract(o,n,x);I=t.Cartesian3.normalize(t.Cartesian3.cross(i,e,I),I),W=!1}t.Cartesian3.equalsEpsilon(n,a,i.CesiumMath.EPSILON10)?W=!0:(B+=U,d.tangent&&(N=t.Cartesian3.normalize(t.Cartesian3.subtract(a,n,N),N)),d.bitangent&&(M=t.Cartesian3.normalize(t.Cartesian3.cross(I,N,M),M))),d.normal&&(V[z++]=I.x,V[z++]=I.y,V[z++]=I.z,V[z++]=I.x,V[z++]=I.y,V[z++]=I.z),d.tangent&&(k[R++]=N.x,k[R++]=N.y,k[R++]=N.z,k[R++]=N.x,k[R++]=N.y,k[R++]=N.z),d.bitangent&&(G[O++]=M.x,G[O++]=M.y,G[O++]=M.z,G[O++]=M.x,G[O++]=M.y,G[O++]=M.z)}}const q=new o.GeometryAttributes;d.position&&(q.position=new a.GeometryAttribute({componentDatatype:i.ComponentDatatype.DOUBLE,componentsPerAttribute:3,values:H})),d.normal&&(q.normal=new a.GeometryAttribute({componentDatatype:i.ComponentDatatype.FLOAT,componentsPerAttribute:3,values:V})),d.tangent&&(q.tangent=new a.GeometryAttribute({componentDatatype:i.ComponentDatatype.FLOAT,componentsPerAttribute:3,values:k})),d.bitangent&&(q.bitangent=new a.GeometryAttribute({componentDatatype:i.ComponentDatatype.FLOAT,componentsPerAttribute:3,values:G})),d.st&&(q.st=new a.GeometryAttribute({componentDatatype:i.ComponentDatatype.FLOAT,componentsPerAttribute:2,values:D}));const J=L/3;L-=6*(C+1);const Y=r.IndexDatatype.createTypedArray(J,L);let j=0;for(P=0;P<J-2;P+=2){const e=P,n=P+2,a=t.Cartesian3.fromArray(H,3*e,x),o=t.Cartesian3.fromArray(H,3*n,b);if(t.Cartesian3.equalsEpsilon(a,o,i.CesiumMath.EPSILON10))continue;const r=P+1,s=P+3;Y[j++]=r,Y[j++]=e,Y[j++]=s,Y[j++]=s,Y[j++]=e,Y[j++]=n}return new a.Geometry({attributes:q,indices:Y,primitiveType:a.PrimitiveType.TRIANGLES,boundingSphere:new n.BoundingSphere.fromVertices(H)})},function(n,i){return e.defined(i)&&(n=v.unpack(n,i)),n._ellipsoid=t.Ellipsoid.clone(n._ellipsoid),v.createGeometry(n)}}));
    26.