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createCorridorGeometry.js

createCorridorGeometry.js 16 KB
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1 
  1. define(["./GeometryOffsetAttribute-1772960d","./arrayRemoveDuplicates-18786327","./Transforms-d13cc04e","./Matrix2-9aa31791","./RuntimeError-346a3079","./ComponentDatatype-93750d1a","./PolylineVolumeGeometryLibrary-06826ae8","./CorridorGeometryLibrary-c1e6611d","./when-4bbc8319","./GeometryAttribute-43536dc0","./GeometryAttributes-7827a6c2","./IndexDatatype-b7d979a6","./PolygonPipeline-da7fc5ca","./VertexFormat-71718faa","./combine-83860057","./WebGLConstants-1c8239cc","./EllipsoidTangentPlane-eecce7e8","./AxisAlignedBoundingBox-07c6b7f2","./IntersectionTests-96a04219","./Plane-318d6937","./PolylinePipeline-64021a2e","./EllipsoidGeodesic-dd8f2afb","./EllipsoidRhumbLine-30c47ff4"],(function(t,e,r,a,i,o,n,s,l,d,u,m,y,f,c,p,g,h,C,b,v,A,_){"use strict";var w=new a.Cartesian3,T=new a.Cartesian3,G=new a.Cartesian3,E=new a.Cartesian3,V=new a.Cartesian3,x=new a.Cartesian3,F=new a.Cartesian3,L=new a.Cartesian3;function P(t,e){for(var r=0;r<t.length;r++)t[r]=e.scaleToGeodeticSurface(t[r],t[r]);return t}function N(t,e,r,i,o,n){var l=t.normals,d=t.tangents,u=t.bitangents,m=a.Cartesian3.normalize(a.Cartesian3.cross(r,e,F),F);n.normal&&s.CorridorGeometryLibrary.addAttribute(l,e,i,o),n.tangent&&s.CorridorGeometryLibrary.addAttribute(d,m,i,o),n.bitangent&&s.CorridorGeometryLibrary.addAttribute(u,r,i,o)}function D(t,e,r){var i,n,y,f=t.positions,c=t.corners,p=t.endPositions,g=t.lefts,h=t.normals,C=new u.GeometryAttributes,b=0,v=0,A=0;for(n=0;n<f.length;n+=2)b+=y=f[n].length-3,A+=2*y,v+=f[n+1].length-3;for(b+=3,v+=3,n=0;n<c.length;n++){i=c[n];var _=c[n].leftPositions;l.defined(_)?(b+=y=_.length,A+=y):(v+=y=c[n].rightPositions.length,A+=y)}var V,P=l.defined(p);P&&(b+=V=p[0].length-3,v+=V,A+=6*(V/=3));var D,M,O,I,S,R,k=b+v,H=new Float64Array(k),z={normals:e.normal?new Float32Array(k):void 0,tangents:e.tangent?new Float32Array(k):void 0,bitangents:e.bitangent?new Float32Array(k):void 0},B=0,U=k-1,Y=w,W=T,q=V/2,J=m.IndexDatatype.createTypedArray(k/3,A),j=0;if(P){R=G,S=E;var K=p[0];for(Y=a.Cartesian3.fromArray(h,0,Y),W=a.Cartesian3.fromArray(g,0,W),n=0;n<q;n++)R=a.Cartesian3.fromArray(K,3*(q-1-n),R),S=a.Cartesian3.fromArray(K,3*(q+n),S),s.CorridorGeometryLibrary.addAttribute(H,S,B),s.CorridorGeometryLibrary.addAttribute(H,R,void 0,U),N(z,Y,W,B,U,e),I=(M=B/3)+1,O=(D=(U-2)/3)-1,J[j++]=D,J[j++]=M,J[j++]=O,J[j++]=O,J[j++]=M,J[j++]=I,B+=3,U-=3}var Q,X,Z=0,$=0,tt=f[Z++],et=f[Z++];for(H.set(tt,B),H.set(et,U-et.length+1),W=a.Cartesian3.fromArray(g,$,W),y=et.length-3,n=0;n<y;n+=3)Q=r.geodeticSurfaceNormal(a.Cartesian3.fromArray(tt,n,F),F),X=r.geodeticSurfaceNormal(a.Cartesian3.fromArray(et,y-n,L),L),N(z,Y=a.Cartesian3.normalize(a.Cartesian3.add(Q,X,Y),Y),W,B,U,e),I=(M=B/3)+1,O=(D=(U-2)/3)-1,J[j++]=D,J[j++]=M,J[j++]=O,J[j++]=O,J[j++]=M,J[j++]=I,B+=3,U-=3;for(Q=r.geodeticSurfaceNormal(a.Cartesian3.fromArray(tt,y,F),F),X=r.geodeticSurfaceNormal(a.Cartesian3.fromArray(et,y,L),L),Y=a.Cartesian3.normalize(a.Cartesian3.add(Q,X,Y),Y),$+=3,n=0;n<c.length;n++){var rt,at,it,ot=(i=c[n]).leftPositions,nt=i.rightPositions,st=x,lt=G,dt=E;if(Y=a.Cartesian3.fromArray(h,$,Y),l.defined(ot)){for(N(z,Y,W,void 0,U,e),U-=3,at=I,it=O,rt=0;rt<ot.length/3;rt++)st=a.Cartesian3.fromArray(ot,3*rt,st),J[j++]=at,J[j++]=it-rt-1,J[j++]=it-rt,s.CorridorGeometryLibrary.addAttribute(H,st,void 0,U),lt=a.Cartesian3.fromArray(H,3*(it-rt-1),lt),dt=a.Cartesian3.fromArray(H,3*at,dt),N(z,Y,W=a.Cartesian3.normalize(a.Cartesian3.subtract(lt,dt,W),W),void 0,U,e),U-=3;st=a.Cartesian3.fromArray(H,3*at,st),lt=a.Cartesian3.subtract(a.Cartesian3.fromArray(H,3*it,lt),st,lt),dt=a.Cartesian3.subtract(a.Cartesian3.fromArray(H,3*(it-rt),dt),st,dt),N(z,Y,W=a.Cartesian3.normalize(a.Cartesian3.add(lt,dt,W),W),B,void 0,e),B+=3}else{for(N(z,Y,W,B,void 0,e),B+=3,at=O,it=I,rt=0;rt<nt.length/3;rt++)st=a.Cartesian3.fromArray(nt,3*rt,st),J[j++]=at,J[j++]=it+rt,J[j++]=it+rt+1,s.CorridorGeometryLibrary.addAttribute(H,st,B),lt=a.Cartesian3.fromArray(H,3*at,lt),dt=a.Cartesian3.fromArray(H,3*(it+rt),dt),N(z,Y,W=a.Cartesian3.normalize(a.Cartesian3.subtract(lt,dt,W),W),B,void 0,e),B+=3;st=a.Cartesian3.fromArray(H,3*at,st),lt=a.Cartesian3.subtract(a.Cartesian3.fromArray(H,3*(it+rt),lt),st,lt),dt=a.Cartesian3.subtract(a.Cartesian3.fromArray(H,3*it,dt),st,dt),N(z,Y,W=a.Cartesian3.normalize(a.Cartesian3.negate(a.Cartesian3.add(dt,lt,W),W),W),void 0,U,e),U-=3}for(tt=f[Z++],et=f[Z++],tt.splice(0,3),et.splice(et.length-3,3),H.set(tt,B),H.set(et,U-et.length+1),y=et.length-3,$+=3,W=a.Cartesian3.fromArray(g,$,W),rt=0;rt<et.length;rt+=3)Q=r.geodeticSurfaceNormal(a.Cartesian3.fromArray(tt,rt,F),F),X=r.geodeticSurfaceNormal(a.Cartesian3.fromArray(et,y-rt,L),L),N(z,Y=a.Cartesian3.normalize(a.Cartesian3.add(Q,X,Y),Y),W,B,U,e),M=(I=B/3)-1,D=(O=(U-2)/3)+1,J[j++]=D,J[j++]=M,J[j++]=O,J[j++]=O,J[j++]=M,J[j++]=I,B+=3,U-=3;B-=3,U+=3}if(N(z,Y=a.Cartesian3.fromArray(h,h.length-3,Y),W,B,U,e),P){B+=3,U-=3,R=G,S=E;var ut=p[1];for(n=0;n<q;n++)R=a.Cartesian3.fromArray(ut,3*(V-n-1),R),S=a.Cartesian3.fromArray(ut,3*n,S),s.CorridorGeometryLibrary.addAttribute(H,R,void 0,U),s.CorridorGeometryLibrary.addAttribute(H,S,B),N(z,Y,W,B,U,e),M=(I=B/3)-1,D=(O=(U-2)/3)+1,J[j++]=D,J[j++]=M,J[j++]=O,J[j++]=O,J[j++]=M,J[j++]=I,B+=3,U-=3}if(C.position=new d.GeometryAttribute({componentDatatype:o.ComponentDatatype.DOUBLE,componentsPerAttribute:3,values:H}),e.st){var mt,yt,ft=new Float32Array(k/3*2),ct=0;if(P){b/=3,v/=3;var pt,gt=Math.PI/(V+1);yt=1/(b-V+1),mt=1/(v-V+1);var ht=V/2;for(n=ht+1;n<V+1;n++)pt=o.CesiumMath.PI_OVER_TWO+gt*n,ft[ct++]=mt*(1+Math.cos(pt)),ft[ct++]=.5*(1+Math.sin(pt));for(n=1;n<v-V+1;n++)ft[ct++]=n*mt,ft[ct++]=0;for(n=V;n>ht;n--)pt=o.CesiumMath.PI_OVER_TWO-n*gt,ft[ct++]=1-mt*(1+Math.cos(pt)),ft[ct++]=.5*(1+Math.sin(pt));for(n=ht;n>0;n--)pt=o.CesiumMath.PI_OVER_TWO-gt*n,ft[ct++]=1-yt*(1+Math.cos(pt)),ft[ct++]=.5*(1+Math.sin(pt));for(n=b-V;n>0;n--)ft[ct++]=n*yt,ft[ct++]=1;for(n=1;n<ht+1;n++)pt=o.CesiumMath.PI_OVER_TWO+gt*n,ft[ct++]=yt*(1+Math.cos(pt)),ft[ct++]=.5*(1+Math.sin(pt))}else{for(yt=1/((b/=3)-1),mt=1/((v/=3)-1),n=0;n<v;n++)ft[ct++]=n*mt,ft[ct++]=0;for(n=b;n>0;n--)ft[ct++]=(n-1)*yt,ft[ct++]=1}C.st=new d.GeometryAttribute({componentDatatype:o.ComponentDatatype.FLOAT,componentsPerAttribute:2,values:ft})}return e.normal&&(C.normal=new d.GeometryAttribute({componentDatatype:o.ComponentDatatype.FLOAT,componentsPerAttribute:3,values:z.normals})),e.tangent&&(C.tangent=new d.GeometryAttribute({componentDatatype:o.ComponentDatatype.FLOAT,componentsPerAttribute:3,values:z.tangents})),e.bitangent&&(C.bitangent=new d.GeometryAttribute({componentDatatype:o.ComponentDatatype.FLOAT,componentsPerAttribute:3,values:z.bitangents})),{attributes:C,indices:J}}function M(t,e,r){r[e++]=t[0],r[e++]=t[1],r[e++]=t[2];for(var a=3;a<t.length;a+=3){var i=t[a],o=t[a+1],n=t[a+2];r[e++]=i,r[e++]=o,r[e++]=n,r[e++]=i,r[e++]=o,r[e++]=n}return r[e++]=t[0],r[e++]=t[1],r[e++]=t[2],r}function O(e,r){var i=new f.VertexFormat({position:r.position,normal:r.normal||r.bitangent||e.shadowVolume,tangent:r.tangent,bitangent:r.normal||r.bitangent,st:r.st}),n=e.ellipsoid,u=D(s.CorridorGeometryLibrary.computePositions(e),i,n),c=e.height,p=e.extrudedHeight,g=u.attributes,h=u.indices,C=g.position.values,b=C.length,v=new Float64Array(6*b),A=new Float64Array(b);A.set(C);var _,F=new Float64Array(4*b);F=M(C=y.PolygonPipeline.scaleToGeodeticHeight(C,c,n),0,F),F=M(A=y.PolygonPipeline.scaleToGeodeticHeight(A,p,n),2*b,F),v.set(C),v.set(A,b),v.set(F,2*b),g.position.values=v,g=function(t,e){if(!(e.normal||e.tangent||e.bitangent||e.st))return t;var r,i,o=t.position.values;(e.normal||e.bitangent)&&(r=t.normal.values,i=t.bitangent.values);var n,l=t.position.values.length/18,d=3*l,u=2*l,m=2*d;if(e.normal||e.bitangent||e.tangent){var y=e.normal?new Float32Array(6*d):void 0,f=e.tangent?new Float32Array(6*d):void 0,c=e.bitangent?new Float32Array(6*d):void 0,p=w,g=T,h=G,C=E,b=V,v=x,A=m;for(n=0;n<d;n+=3){var _=A+m;p=a.Cartesian3.fromArray(o,n,p),g=a.Cartesian3.fromArray(o,n+d,g),h=a.Cartesian3.fromArray(o,(n+3)%d,h),g=a.Cartesian3.subtract(g,p,g),h=a.Cartesian3.subtract(h,p,h),C=a.Cartesian3.normalize(a.Cartesian3.cross(g,h,C),C),e.normal&&(s.CorridorGeometryLibrary.addAttribute(y,C,_),s.CorridorGeometryLibrary.addAttribute(y,C,_+3),s.CorridorGeometryLibrary.addAttribute(y,C,A),s.CorridorGeometryLibrary.addAttribute(y,C,A+3)),(e.tangent||e.bitangent)&&(v=a.Cartesian3.fromArray(r,n,v),e.bitangent&&(s.CorridorGeometryLibrary.addAttribute(c,v,_),s.CorridorGeometryLibrary.addAttribute(c,v,_+3),s.CorridorGeometryLibrary.addAttribute(c,v,A),s.CorridorGeometryLibrary.addAttribute(c,v,A+3)),e.tangent&&(b=a.Cartesian3.normalize(a.Cartesian3.cross(v,C,b),b),s.CorridorGeometryLibrary.addAttribute(f,b,_),s.CorridorGeometryLibrary.addAttribute(f,b,_+3),s.CorridorGeometryLibrary.addAttribute(f,b,A),s.CorridorGeometryLibrary.addAttribute(f,b,A+3))),A+=6}if(e.normal){for(y.set(r),n=0;n<d;n+=3)y[n+d]=-r[n],y[n+d+1]=-r[n+1],y[n+d+2]=-r[n+2];t.normal.values=y}else t.normal=void 0;if(e.bitangent?(c.set(i),c.set(i,d),t.bitangent.values=c):t.bitangent=void 0,e.tangent){var F=t.tangent.values;f.set(F),f.set(F,d),t.tangent.values=f}}if(e.st){var L=t.st.values,P=new Float32Array(6*u);P.set(L),P.set(L,u);for(var N=2*u,D=0;D<2;D++){for(P[N++]=L[0],P[N++]=L[1],n=2;n<u;n+=2){var M=L[n],O=L[n+1];P[N++]=M,P[N++]=O,P[N++]=M,P[N++]=O}P[N++]=L[0],P[N++]=L[1]}t.st.values=P}return t}(g,r);var L=b/3;if(e.shadowVolume){var P=g.normal.values;b=P.length;var N=new Float32Array(6*b);for(_=0;_<b;_++)P[_]=-P[_];N.set(P,b),N=M(P,4*b,N),g.extrudeDirection=new d.GeometryAttribute({componentDatatype:o.ComponentDatatype.FLOAT,componentsPerAttribute:3,values:N}),r.normal||(g.normal=void 0)}if(l.defined(e.offsetAttribute)){var O=new Uint8Array(6*L);if(e.offsetAttribute===t.GeometryOffsetAttribute.TOP)O=t.arrayFill(O,1,0,L),O=t.arrayFill(O,1,2*L,4*L);else{var I=e.offsetAttribute===t.GeometryOffsetAttribute.NONE?0:1;O=t.arrayFill(O,I)}g.applyOffset=new d.GeometryAttribute({componentDatatype:o.ComponentDatatype.UNSIGNED_BYTE,componentsPerAttribute:1,values:O})}var S=h.length,R=L+L,k=m.IndexDatatype.createTypedArray(v.length/3,2*S+3*R);k.set(h);var H,z,B,U,Y=S;for(_=0;_<S;_+=3){var W=h[_],q=h[_+1],J=h[_+2];k[Y++]=J+L,k[Y++]=q+L,k[Y++]=W+L}for(_=0;_<R;_+=2)B=(H=_+R)+1,U=(z=H+R)+1,k[Y++]=H,k[Y++]=z,k[Y++]=B,k[Y++]=B,k[Y++]=z,k[Y++]=U;return{attributes:g,indices:k}}var I=new a.Cartesian3,S=new a.Cartesian3,R=new a.Cartographic;function k(t,e,r,i,o,n){var s=a.Cartesian3.subtract(e,t,I);a.Cartesian3.normalize(s,s);var l=r.geodeticSurfaceNormal(t,S),d=a.Cartesian3.cross(s,l,I);a.Cartesian3.multiplyByScalar(d,i,d);var u=o.latitude,m=o.longitude,y=n.latitude,f=n.longitude;a.Cartesian3.add(t,d,S),r.cartesianToCartographic(S,R);var c=R.latitude,p=R.longitude;u=Math.min(u,c),m=Math.min(m,p),y=Math.max(y,c),f=Math.max(f,p),a.Cartesian3.subtract(t,d,S),r.cartesianToCartographic(S,R),c=R.latitude,p=R.longitude,u=Math.min(u,c),m=Math.min(m,p),y=Math.max(y,c),f=Math.max(f,p),o.latitude=u,o.longitude=m,n.latitude=y,n.longitude=f}var H=new a.Cartesian3,z=new a.Cartesian3,B=new a.Cartographic,U=new a.Cartographic;function Y(t,r,i,o,s){t=P(t,r);var d=e.arrayRemoveDuplicates(t,a.Cartesian3.equalsEpsilon),u=d.length;if(u<2||i<=0)return new a.Rectangle;var m,y,f=.5*i;if(B.latitude=Number.POSITIVE_INFINITY,B.longitude=Number.POSITIVE_INFINITY,U.latitude=Number.NEGATIVE_INFINITY,U.longitude=Number.NEGATIVE_INFINITY,o===n.CornerType.ROUNDED){var c=d[0];a.Cartesian3.subtract(c,d[1],H),a.Cartesian3.normalize(H,H),a.Cartesian3.multiplyByScalar(H,f,H),a.Cartesian3.add(c,H,z),r.cartesianToCartographic(z,R),m=R.latitude,y=R.longitude,B.latitude=Math.min(B.latitude,m),B.longitude=Math.min(B.longitude,y),U.latitude=Math.max(U.latitude,m),U.longitude=Math.max(U.longitude,y)}for(var p=0;p<u-1;++p)k(d[p],d[p+1],r,f,B,U);var g=d[u-1];a.Cartesian3.subtract(g,d[u-2],H),a.Cartesian3.normalize(H,H),a.Cartesian3.multiplyByScalar(H,f,H),a.Cartesian3.add(g,H,z),k(g,z,r,f,B,U),o===n.CornerType.ROUNDED&&(r.cartesianToCartographic(z,R),m=R.latitude,y=R.longitude,B.latitude=Math.min(B.latitude,m),B.longitude=Math.min(B.longitude,y),U.latitude=Math.max(U.latitude,m),U.longitude=Math.max(U.longitude,y));var h=l.defined(s)?s:new a.Rectangle;return h.north=U.latitude,h.south=B.latitude,h.east=U.longitude,h.west=B.longitude,h}function W(t){var e=(t=l.defaultValue(t,l.defaultValue.EMPTY_OBJECT)).positions,r=t.width,i=l.defaultValue(t.height,0),s=l.defaultValue(t.extrudedHeight,i);this._positions=e,this._ellipsoid=a.Ellipsoid.clone(l.defaultValue(t.ellipsoid,a.Ellipsoid.WGS84)),this._vertexFormat=f.VertexFormat.clone(l.defaultValue(t.vertexFormat,f.VertexFormat.DEFAULT)),this._width=r,this._height=Math.max(i,s),this._extrudedHeight=Math.min(i,s),this._cornerType=l.defaultValue(t.cornerType,n.CornerType.ROUNDED),this._granularity=l.defaultValue(t.granularity,o.CesiumMath.RADIANS_PER_DEGREE),this._shadowVolume=l.defaultValue(t.shadowVolume,!1),this._workerName="createCorridorGeometry",this._offsetAttribute=t.offsetAttribute,this._rectangle=void 0,this.packedLength=1+e.length*a.Cartesian3.packedLength+a.Ellipsoid.packedLength+f.VertexFormat.packedLength+7}W.pack=function(t,e,r){r=l.defaultValue(r,0);var i=t._positions,o=i.length;e[r++]=o;for(var n=0;n<o;++n,r+=a.Cartesian3.packedLength)a.Cartesian3.pack(i[n],e,r);return a.Ellipsoid.pack(t._ellipsoid,e,r),r+=a.Ellipsoid.packedLength,f.VertexFormat.pack(t._vertexFormat,e,r),r+=f.VertexFormat.packedLength,e[r++]=t._width,e[r++]=t._height,e[r++]=t._extrudedHeight,e[r++]=t._cornerType,e[r++]=t._granularity,e[r++]=t._shadowVolume?1:0,e[r]=l.defaultValue(t._offsetAttribute,-1),e};var q=a.Ellipsoid.clone(a.Ellipsoid.UNIT_SPHERE),J=new f.VertexFormat,j={positions:void 0,ellipsoid:q,vertexFormat:J,width:void 0,height:void 0,extrudedHeight:void 0,cornerType:void 0,granularity:void 0,shadowVolume:void 0,offsetAttribute:void 0};return W.unpack=function(t,e,r){e=l.defaultValue(e,0);for(var i=t[e++],o=new Array(i),n=0;n<i;++n,e+=a.Cartesian3.packedLength)o[n]=a.Cartesian3.unpack(t,e);var s=a.Ellipsoid.unpack(t,e,q);e+=a.Ellipsoid.packedLength;var d=f.VertexFormat.unpack(t,e,J);e+=f.VertexFormat.packedLength;var u=t[e++],m=t[e++],y=t[e++],c=t[e++],p=t[e++],g=1===t[e++],h=t[e];return l.defined(r)?(r._positions=o,r._ellipsoid=a.Ellipsoid.clone(s,r._ellipsoid),r._vertexFormat=f.VertexFormat.clone(d,r._vertexFormat),r._width=u,r._height=m,r._extrudedHeight=y,r._cornerType=c,r._granularity=p,r._shadowVolume=g,r._offsetAttribute=-1===h?void 0:h,r):(j.positions=o,j.width=u,j.height=m,j.extrudedHeight=y,j.cornerType=c,j.granularity=p,j.shadowVolume=g,j.offsetAttribute=-1===h?void 0:h,new W(j))},W.computeRectangle=function(t,e){var r=(t=l.defaultValue(t,l.defaultValue.EMPTY_OBJECT)).positions,i=t.width;return Y(r,l.defaultValue(t.ellipsoid,a.Ellipsoid.WGS84),i,l.defaultValue(t.cornerType,n.CornerType.ROUNDED),e)},W.createGeometry=function(i){var n=i._positions,u=i._width,m=i._ellipsoid;n=P(n,m);var f=e.arrayRemoveDuplicates(n,a.Cartesian3.equalsEpsilon);if(!(f.length<2||u<=0)){var c,p=i._height,g=i._extrudedHeight,h=!o.CesiumMath.equalsEpsilon(p,g,0,o.CesiumMath.EPSILON2),C=i._vertexFormat,b={ellipsoid:m,positions:f,width:u,cornerType:i._cornerType,granularity:i._granularity,saveAttributes:!0};if(h)b.height=p,b.extrudedHeight=g,b.shadowVolume=i._shadowVolume,b.offsetAttribute=i._offsetAttribute,c=O(b,C);else if((c=D(s.CorridorGeometryLibrary.computePositions(b),C,m)).attributes.position.values=y.PolygonPipeline.scaleToGeodeticHeight(c.attributes.position.values,p,m),l.defined(i._offsetAttribute)){var v=i._offsetAttribute===t.GeometryOffsetAttribute.NONE?0:1,A=c.attributes.position.values.length,_=new Uint8Array(A/3);t.arrayFill(_,v),c.attributes.applyOffset=new d.GeometryAttribute({componentDatatype:o.ComponentDatatype.UNSIGNED_BYTE,componentsPerAttribute:1,values:_})}var w=c.attributes,T=r.BoundingSphere.fromVertices(w.position.values,void 0,3);return C.position||(c.attributes.position.values=void 0),new d.Geometry({attributes:w,indices:c.indices,primitiveType:d.PrimitiveType.TRIANGLES,boundingSphere:T,offsetAttribute:i._offsetAttribute})}},W.createShadowVolume=function(t,e,r){var a=t._granularity,i=t._ellipsoid,o=e(a,i),n=r(a,i);return new W({positions:t._positions,width:t._width,cornerType:t._cornerType,ellipsoid:i,granularity:a,extrudedHeight:o,height:n,vertexFormat:f.VertexFormat.POSITION_ONLY,shadowVolume:!0})},Object.defineProperties(W.prototype,{rectangle:{get:function(){return l.defined(this._rectangle)||(this._rectangle=Y(this._positions,this._ellipsoid,this._width,this._cornerType)),this._rectangle}},textureCoordinateRotationPoints:{get:function(){return[0,0,0,1,1,0]}}}),function(t,e){return l.defined(e)&&(t=W.unpack(t,e)),t._ellipsoid=a.Ellipsoid.clone(t._ellipsoid),W.createGeometry(t)}}));
    2.