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createWallGeometry.js

createWallGeometry.js 6.8 KB
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  1. /**
    2. 

  2.  * @license
    3. 

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

  4.  * Version 1.99
    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-135942ca","./Matrix3-edb29a7e","./Transforms-3ea76111","./ComponentDatatype-e86a9f87","./GeometryAttribute-dacddb3f","./GeometryAttributes-899f8bd0","./IndexDatatype-3a8ea78f","./Math-a304e2d6","./VertexFormat-7d5b4d7e","./WallGeometryLibrary-09ff1b05","./Matrix2-7a2bab7e","./RuntimeError-f0dada00","./combine-462d91dd","./WebGLConstants-fcb70ee3","./arrayRemoveDuplicates-d35f503f","./PolylinePipeline-6bbc2d22","./EllipsoidGeodesic-048356f7","./EllipsoidRhumbLine-5519960c","./IntersectionTests-f3382f21","./Plane-5bea24eb"],(function(e,t,n,i,a,o,r,s,l,m,u,d,p,c,f,y,g,h,C,b){"use strict";const x=new t.Cartesian3,A=new t.Cartesian3,_=new t.Cartesian3,E=new t.Cartesian3,w=new t.Cartesian3,F=new t.Cartesian3,v=new t.Cartesian3;function L(n){const i=(n=e.defaultValue(n,e.defaultValue.EMPTY_OBJECT)).positions,a=n.maximumHeights,o=n.minimumHeights,r=e.defaultValue(n.vertexFormat,l.VertexFormat.DEFAULT),m=e.defaultValue(n.granularity,s.CesiumMath.RADIANS_PER_DEGREE),u=e.defaultValue(n.ellipsoid,t.Ellipsoid.WGS84);this._positions=i,this._minimumHeights=o,this._maximumHeights=a,this._vertexFormat=l.VertexFormat.clone(r),this._granularity=m,this._ellipsoid=t.Ellipsoid.clone(u),this._workerName="createWallGeometry";let d=1+i.length*t.Cartesian3.packedLength+2;e.defined(o)&&(d+=o.length),e.defined(a)&&(d+=a.length),this.packedLength=d+t.Ellipsoid.packedLength+l.VertexFormat.packedLength+1}L.pack=function(n,i,a){let o;a=e.defaultValue(a,0);const r=n._positions;let s=r.length;for(i[a++]=s,o=0;o<s;++o,a+=t.Cartesian3.packedLength)t.Cartesian3.pack(r[o],i,a);const m=n._minimumHeights;if(s=e.defined(m)?m.length:0,i[a++]=s,e.defined(m))for(o=0;o<s;++o)i[a++]=m[o];const u=n._maximumHeights;if(s=e.defined(u)?u.length:0,i[a++]=s,e.defined(u))for(o=0;o<s;++o)i[a++]=u[o];return t.Ellipsoid.pack(n._ellipsoid,i,a),a+=t.Ellipsoid.packedLength,l.VertexFormat.pack(n._vertexFormat,i,a),i[a+=l.VertexFormat.packedLength]=n._granularity,i};const V=t.Ellipsoid.clone(t.Ellipsoid.UNIT_SPHERE),k=new l.VertexFormat,H={positions:void 0,minimumHeights:void 0,maximumHeights:void 0,ellipsoid:V,vertexFormat:k,granularity:void 0};return L.unpack=function(n,i,a){let o;i=e.defaultValue(i,0);let r=n[i++];const s=new Array(r);for(o=0;o<r;++o,i+=t.Cartesian3.packedLength)s[o]=t.Cartesian3.unpack(n,i);let m,u;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(u=new Array(r),o=0;o<r;++o)u[o]=n[i++];const d=t.Ellipsoid.unpack(n,i,V);i+=t.Ellipsoid.packedLength;const p=l.VertexFormat.unpack(n,i,k),c=n[i+=l.VertexFormat.packedLength];return e.defined(a)?(a._positions=s,a._minimumHeights=m,a._maximumHeights=u,a._ellipsoid=t.Ellipsoid.clone(d,a._ellipsoid),a._vertexFormat=l.VertexFormat.clone(p,a._vertexFormat),a._granularity=c,a):(H.positions=s,H.minimumHeights=m,H.maximumHeights=u,H.granularity=c,new L(H))},L.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 L({positions:n,maximumHeights:a,minimumHeights:i,ellipsoid:t.ellipsoid,vertexFormat:t.vertexFormat})},L.createGeometry=function(l){const u=l._positions,d=l._minimumHeights,p=l._maximumHeights,c=l._vertexFormat,f=l._granularity,y=l._ellipsoid,g=m.WallGeometryLibrary.computePositions(y,u,p,d,f,!0);if(!e.defined(g))return;const h=g.bottomPositions,C=g.topPositions,b=g.numCorners;let L=C.length,V=2*L;const k=c.position?new Float64Array(V):void 0,H=c.normal?new Float32Array(V):void 0,G=c.tangent?new Float32Array(V):void 0,D=c.bitangent?new Float32Array(V):void 0,P=c.st?new Float32Array(V/3*2):void 0;let T,z=0,O=0,R=0,S=0,I=0,M=v,N=F,W=w,B=!0;L/=3;let U=0;const q=1/(L-b-1);for(T=0;T<L;++T){const e=3*T,n=t.Cartesian3.fromArray(C,e,x),i=t.Cartesian3.fromArray(h,e,A);if(c.position&&(k[z++]=i.x,k[z++]=i.y,k[z++]=i.z,k[z++]=n.x,k[z++]=n.y,k[z++]=n.z),c.st&&(P[I++]=U,P[I++]=0,P[I++]=U,P[I++]=1),c.normal||c.tangent||c.bitangent){let i=t.Cartesian3.clone(t.Cartesian3.ZERO,E);const a=t.Cartesian3.subtract(n,y.geodeticSurfaceNormal(n,A),A);if(T+1<L&&(i=t.Cartesian3.fromArray(C,e+3,E)),B){const e=t.Cartesian3.subtract(i,n,_),o=t.Cartesian3.subtract(a,n,x);M=t.Cartesian3.normalize(t.Cartesian3.cross(o,e,M),M),B=!1}t.Cartesian3.equalsEpsilon(n,i,s.CesiumMath.EPSILON10)?B=!0:(U+=q,c.tangent&&(N=t.Cartesian3.normalize(t.Cartesian3.subtract(i,n,N),N)),c.bitangent&&(W=t.Cartesian3.normalize(t.Cartesian3.cross(M,N,W),W))),c.normal&&(H[O++]=M.x,H[O++]=M.y,H[O++]=M.z,H[O++]=M.x,H[O++]=M.y,H[O++]=M.z),c.tangent&&(G[S++]=N.x,G[S++]=N.y,G[S++]=N.z,G[S++]=N.x,G[S++]=N.y,G[S++]=N.z),c.bitangent&&(D[R++]=W.x,D[R++]=W.y,D[R++]=W.z,D[R++]=W.x,D[R++]=W.y,D[R++]=W.z)}}const J=new o.GeometryAttributes;c.position&&(J.position=new a.GeometryAttribute({componentDatatype:i.ComponentDatatype.DOUBLE,componentsPerAttribute:3,values:k})),c.normal&&(J.normal=new a.GeometryAttribute({componentDatatype:i.ComponentDatatype.FLOAT,componentsPerAttribute:3,values:H})),c.tangent&&(J.tangent=new a.GeometryAttribute({componentDatatype:i.ComponentDatatype.FLOAT,componentsPerAttribute:3,values:G})),c.bitangent&&(J.bitangent=new a.GeometryAttribute({componentDatatype:i.ComponentDatatype.FLOAT,componentsPerAttribute:3,values:D})),c.st&&(J.st=new a.GeometryAttribute({componentDatatype:i.ComponentDatatype.FLOAT,componentsPerAttribute:2,values:P}));const Y=V/3;V-=6*(b+1);const Z=r.IndexDatatype.createTypedArray(Y,V);let j=0;for(T=0;T<Y-2;T+=2){const e=T,n=T+2,i=t.Cartesian3.fromArray(k,3*e,x),a=t.Cartesian3.fromArray(k,3*n,A);if(t.Cartesian3.equalsEpsilon(i,a,s.CesiumMath.EPSILON10))continue;const o=T+1,r=T+3;Z[j++]=o,Z[j++]=e,Z[j++]=r,Z[j++]=r,Z[j++]=e,Z[j++]=n}return new a.Geometry({attributes:J,indices:Z,primitiveType:a.PrimitiveType.TRIANGLES,boundingSphere:new n.BoundingSphere.fromVertices(k)})},function(n,i){return e.defined(i)&&(n=L.unpack(n,i)),n._ellipsoid=t.Ellipsoid.clone(n._ellipsoid),L.createGeometry(n)}}));
    26.