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createSimplePolylineGeometry.js

createSimplePolylineGeometry.js 6.1 KB
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  1. /**
    2. 

  2.  * @license
    3. 

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

  4.  * Version 1.95
    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-97284df2","./Matrix2-73789715","./ArcType-de5d8777","./Transforms-d3d3b2a9","./Color-c7fd1307","./ComponentDatatype-e7fbe225","./RuntimeError-4f8ec8a2","./GeometryAttribute-fd1d7e90","./GeometryAttributes-734a3446","./IndexDatatype-65271ba3","./PolylinePipeline-ebd42f23","./_commonjsHelpers-3aae1032-65601a27","./combine-d11b1f00","./WebGLConstants-6da700a2","./EllipsoidGeodesic-ed8a0e40","./EllipsoidRhumbLine-60f14314","./IntersectionTests-33ace2d6","./Plane-e916220d"],(function(e,o,t,l,r,n,i,a,s,c,p,d,f,y,u,h,C,m){"use strict";function T(e,o,t,l,n,i,a){const s=p.PolylinePipeline.numberOfPoints(e,o,n);let c;const d=t.red,f=t.green,y=t.blue,u=t.alpha,h=l.red,C=l.green,m=l.blue,T=l.alpha;if(r.Color.equals(t,l)){for(c=0;c<s;c++)i[a++]=r.Color.floatToByte(d),i[a++]=r.Color.floatToByte(f),i[a++]=r.Color.floatToByte(y),i[a++]=r.Color.floatToByte(u);return a}const g=(h-d)/s,_=(C-f)/s,P=(m-y)/s,b=(T-u)/s;let B=a;for(c=0;c<s;c++)i[B++]=r.Color.floatToByte(d+c*g),i[B++]=r.Color.floatToByte(f+c*_),i[B++]=r.Color.floatToByte(y+c*P),i[B++]=r.Color.floatToByte(u+c*b);return B}function g(l){const i=(l=e.defaultValue(l,e.defaultValue.EMPTY_OBJECT)).positions,a=l.colors,s=e.defaultValue(l.colorsPerVertex,!1);this._positions=i,this._colors=a,this._colorsPerVertex=s,this._arcType=e.defaultValue(l.arcType,t.ArcType.GEODESIC),this._granularity=e.defaultValue(l.granularity,n.CesiumMath.RADIANS_PER_DEGREE),this._ellipsoid=e.defaultValue(l.ellipsoid,o.Ellipsoid.WGS84),this._workerName="createSimplePolylineGeometry";let c=1+i.length*o.Cartesian3.packedLength;c+=e.defined(a)?1+a.length*r.Color.packedLength:1,this.packedLength=c+o.Ellipsoid.packedLength+3}g.pack=function(t,l,n){let i;n=e.defaultValue(n,0);const a=t._positions;let s=a.length;for(l[n++]=s,i=0;i<s;++i,n+=o.Cartesian3.packedLength)o.Cartesian3.pack(a[i],l,n);const c=t._colors;for(s=e.defined(c)?c.length:0,l[n++]=s,i=0;i<s;++i,n+=r.Color.packedLength)r.Color.pack(c[i],l,n);return o.Ellipsoid.pack(t._ellipsoid,l,n),n+=o.Ellipsoid.packedLength,l[n++]=t._colorsPerVertex?1:0,l[n++]=t._arcType,l[n]=t._granularity,l},g.unpack=function(t,l,n){let i;l=e.defaultValue(l,0);let a=t[l++];const s=new Array(a);for(i=0;i<a;++i,l+=o.Cartesian3.packedLength)s[i]=o.Cartesian3.unpack(t,l);a=t[l++];const c=a>0?new Array(a):void 0;for(i=0;i<a;++i,l+=r.Color.packedLength)c[i]=r.Color.unpack(t,l);const p=o.Ellipsoid.unpack(t,l);l+=o.Ellipsoid.packedLength;const d=1===t[l++],f=t[l++],y=t[l];return e.defined(n)?(n._positions=s,n._colors=c,n._ellipsoid=p,n._colorsPerVertex=d,n._arcType=f,n._granularity=y,n):new g({positions:s,colors:c,ellipsoid:p,colorsPerVertex:d,arcType:f,granularity:y})};const _=new Array(2),P=new Array(2),b={positions:_,height:P,ellipsoid:void 0,minDistance:void 0,granularity:void 0};return g.createGeometry=function(i){const d=i._positions,f=i._colors,y=i._colorsPerVertex,u=i._arcType,h=i._granularity,C=i._ellipsoid,m=n.CesiumMath.chordLength(h,C.maximumRadius),g=e.defined(f)&&!y;let B;const A=d.length;let E,k,G,D,L=0;if(u===t.ArcType.GEODESIC||u===t.ArcType.RHUMB){let o,l,i;u===t.ArcType.GEODESIC?(o=n.CesiumMath.chordLength(h,C.maximumRadius),l=p.PolylinePipeline.numberOfPoints,i=p.PolylinePipeline.generateArc):(o=h,l=p.PolylinePipeline.numberOfPointsRhumbLine,i=p.PolylinePipeline.generateRhumbArc);const a=p.PolylinePipeline.extractHeights(d,C),s=b;if(u===t.ArcType.GEODESIC?s.minDistance=m:s.granularity=h,s.ellipsoid=C,g){let t=0;for(B=0;B<A-1;B++)t+=l(d[B],d[B+1],o)+1;E=new Float64Array(3*t),G=new Uint8Array(4*t),s.positions=_,s.height=P;let n=0;for(B=0;B<A-1;++B){_[0]=d[B],_[1]=d[B+1],P[0]=a[B],P[1]=a[B+1];const o=i(s);if(e.defined(f)){const e=o.length/3;D=f[B];for(let o=0;o<e;++o)G[n++]=r.Color.floatToByte(D.red),G[n++]=r.Color.floatToByte(D.green),G[n++]=r.Color.floatToByte(D.blue),G[n++]=r.Color.floatToByte(D.alpha)}E.set(o,L),L+=o.length}}else if(s.positions=d,s.height=a,E=new Float64Array(i(s)),e.defined(f)){for(G=new Uint8Array(E.length/3*4),B=0;B<A-1;++B){L=T(d[B],d[B+1],f[B],f[B+1],m,G,L)}const e=f[A-1];G[L++]=r.Color.floatToByte(e.red),G[L++]=r.Color.floatToByte(e.green),G[L++]=r.Color.floatToByte(e.blue),G[L++]=r.Color.floatToByte(e.alpha)}}else{k=g?2*A-2:A,E=new Float64Array(3*k),G=e.defined(f)?new Uint8Array(4*k):void 0;let t=0,l=0;for(B=0;B<A;++B){const n=d[B];if(g&&B>0&&(o.Cartesian3.pack(n,E,t),t+=3,D=f[B-1],G[l++]=r.Color.floatToByte(D.red),G[l++]=r.Color.floatToByte(D.green),G[l++]=r.Color.floatToByte(D.blue),G[l++]=r.Color.floatToByte(D.alpha)),g&&B===A-1)break;o.Cartesian3.pack(n,E,t),t+=3,e.defined(f)&&(D=f[B],G[l++]=r.Color.floatToByte(D.red),G[l++]=r.Color.floatToByte(D.green),G[l++]=r.Color.floatToByte(D.blue),G[l++]=r.Color.floatToByte(D.alpha))}}const w=new s.GeometryAttributes;w.position=new a.GeometryAttribute({componentDatatype:n.ComponentDatatype.DOUBLE,componentsPerAttribute:3,values:E}),e.defined(f)&&(w.color=new a.GeometryAttribute({componentDatatype:n.ComponentDatatype.UNSIGNED_BYTE,componentsPerAttribute:4,values:G,normalize:!0})),k=E.length/3;const V=2*(k-1),x=c.IndexDatatype.createTypedArray(k,V);let S=0;for(B=0;B<k-1;++B)x[S++]=B,x[S++]=B+1;return new a.Geometry({attributes:w,indices:x,primitiveType:a.PrimitiveType.LINES,boundingSphere:l.BoundingSphere.fromPoints(d)})},function(t,l){return e.defined(l)&&(t=g.unpack(t,l)),t._ellipsoid=o.Ellipsoid.clone(t._ellipsoid),g.createGeometry(t)}}));
    26.