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createPolylineVolumeGeometry.js

createPolylineVolumeGeometry.js 5.9 KB
Istoric Crud

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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","./arrayRemoveDuplicates-7ccf3114","./BoundingRectangle-0ced9455","./Transforms-0c3fa360","./ComponentDatatype-7f6d9570","./PolylineVolumeGeometryLibrary-d8099b25","./GeometryAttribute-54019f82","./GeometryAttributes-aff51037","./GeometryPipeline-f46d7519","./IndexDatatype-856d3a0c","./PolygonPipeline-1667c4fc","./VertexFormat-31cdbccc","./RuntimeError-07496d94","./_commonjsHelpers-89c9b271","./combine-7cf28d88","./WebGLConstants-d81b330d","./EllipsoidTangentPlane-30c83574","./AxisAlignedBoundingBox-646dc833","./IntersectionTests-fbcff83c","./Plane-17fe9d66","./PolylinePipeline-f9c3fc71","./EllipsoidGeodesic-3107c30b","./EllipsoidRhumbLine-f1dbc710","./AttributeCompression-28a6d524","./EncodedCartesian3-32c625e4"],(function(e,t,n,o,i,r,a,l,s,c,p,d,u,m,y,g,f,h,b,P,_,E,k,v,V,L){"use strict";function x(n){const o=(n=e.defaultValue(n,e.defaultValue.EMPTY_OBJECT)).polylinePositions,i=n.shapePositions;this._positions=o,this._shape=i,this._ellipsoid=t.Ellipsoid.clone(e.defaultValue(n.ellipsoid,t.Ellipsoid.WGS84)),this._cornerType=e.defaultValue(n.cornerType,a.CornerType.ROUNDED),this._vertexFormat=u.VertexFormat.clone(e.defaultValue(n.vertexFormat,u.VertexFormat.DEFAULT)),this._granularity=e.defaultValue(n.granularity,r.CesiumMath.RADIANS_PER_DEGREE),this._workerName="createPolylineVolumeGeometry";let l=1+o.length*t.Cartesian3.packedLength;l+=1+i.length*t.Cartesian2.packedLength,this.packedLength=l+t.Ellipsoid.packedLength+u.VertexFormat.packedLength+2}x.pack=function(n,o,i){let r;i=e.defaultValue(i,0);const a=n._positions;let l=a.length;for(o[i++]=l,r=0;r<l;++r,i+=t.Cartesian3.packedLength)t.Cartesian3.pack(a[r],o,i);const s=n._shape;for(l=s.length,o[i++]=l,r=0;r<l;++r,i+=t.Cartesian2.packedLength)t.Cartesian2.pack(s[r],o,i);return t.Ellipsoid.pack(n._ellipsoid,o,i),i+=t.Ellipsoid.packedLength,u.VertexFormat.pack(n._vertexFormat,o,i),i+=u.VertexFormat.packedLength,o[i++]=n._cornerType,o[i]=n._granularity,o};const C=t.Ellipsoid.clone(t.Ellipsoid.UNIT_SPHERE),F=new u.VertexFormat,A={polylinePositions:void 0,shapePositions:void 0,ellipsoid:C,vertexFormat:F,cornerType:void 0,granularity:void 0};x.unpack=function(n,o,i){let r;o=e.defaultValue(o,0);let a=n[o++];const l=new Array(a);for(r=0;r<a;++r,o+=t.Cartesian3.packedLength)l[r]=t.Cartesian3.unpack(n,o);a=n[o++];const s=new Array(a);for(r=0;r<a;++r,o+=t.Cartesian2.packedLength)s[r]=t.Cartesian2.unpack(n,o);const c=t.Ellipsoid.unpack(n,o,C);o+=t.Ellipsoid.packedLength;const p=u.VertexFormat.unpack(n,o,F);o+=u.VertexFormat.packedLength;const d=n[o++],m=n[o];return e.defined(i)?(i._positions=l,i._shape=s,i._ellipsoid=t.Ellipsoid.clone(c,i._ellipsoid),i._vertexFormat=u.VertexFormat.clone(p,i._vertexFormat),i._cornerType=d,i._granularity=m,i):(A.polylinePositions=l,A.shapePositions=s,A.cornerType=d,A.granularity=m,new x(A))};const T=new o.BoundingRectangle;return x.createGeometry=function(e){const u=e._positions,m=n.arrayRemoveDuplicates(u,t.Cartesian3.equalsEpsilon);let y=e._shape;if(y=a.PolylineVolumeGeometryLibrary.removeDuplicatesFromShape(y),m.length<2||y.length<3)return;d.PolygonPipeline.computeWindingOrder2D(y)===d.WindingOrder.CLOCKWISE&&y.reverse();const g=o.BoundingRectangle.fromPoints(y,T);return function(e,t,n,o){const u=new s.GeometryAttributes;o.position&&(u.position=new l.GeometryAttribute({componentDatatype:r.ComponentDatatype.DOUBLE,componentsPerAttribute:3,values:e}));const m=t.length,y=e.length/3,g=(y-2*m)/(2*m),f=d.PolygonPipeline.triangulate(t),h=(g-1)*m*6+2*f.length,b=p.IndexDatatype.createTypedArray(y,h);let P,_,E,k,v,V;const L=2*m;let x=0;for(P=0;P<g-1;P++){for(_=0;_<m-1;_++)E=2*_+P*m*2,V=E+L,k=E+1,v=k+L,b[x++]=k,b[x++]=E,b[x++]=v,b[x++]=v,b[x++]=E,b[x++]=V;E=2*m-2+P*m*2,k=E+1,v=k+L,V=E+L,b[x++]=k,b[x++]=E,b[x++]=v,b[x++]=v,b[x++]=E,b[x++]=V}if(o.st||o.tangent||o.bitangent){const e=new Float32Array(2*y),o=1/(g-1),i=1/n.height,a=n.height/2;let s,c,p=0;for(P=0;P<g;P++){for(s=P*o,c=i*(t[0].y+a),e[p++]=s,e[p++]=c,_=1;_<m;_++)c=i*(t[_].y+a),e[p++]=s,e[p++]=c,e[p++]=s,e[p++]=c;c=i*(t[0].y+a),e[p++]=s,e[p++]=c}for(_=0;_<m;_++)s=0,c=i*(t[_].y+a),e[p++]=s,e[p++]=c;for(_=0;_<m;_++)s=(g-1)*o,c=i*(t[_].y+a),e[p++]=s,e[p++]=c;u.st=new l.GeometryAttribute({componentDatatype:r.ComponentDatatype.FLOAT,componentsPerAttribute:2,values:new Float32Array(e)})}const C=y-2*m;for(P=0;P<f.length;P+=3){const e=f[P]+C,t=f[P+1]+C,n=f[P+2]+C;b[x++]=e,b[x++]=t,b[x++]=n,b[x++]=n+m,b[x++]=t+m,b[x++]=e+m}let F=new l.Geometry({attributes:u,indices:b,boundingSphere:i.BoundingSphere.fromVertices(e),primitiveType:l.PrimitiveType.TRIANGLES});if(o.normal&&(F=c.GeometryPipeline.computeNormal(F)),o.tangent||o.bitangent){try{F=c.GeometryPipeline.computeTangentAndBitangent(F)}catch(e){a.oneTimeWarning("polyline-volume-tangent-bitangent","Unable to compute tangents and bitangents for polyline volume geometry")}o.tangent||(F.attributes.tangent=void 0),o.bitangent||(F.attributes.bitangent=void 0),o.st||(F.attributes.st=void 0)}return F}(a.PolylineVolumeGeometryLibrary.computePositions(m,y,g,e,!0),y,g,e._vertexFormat)},function(n,o){return e.defined(o)&&(n=x.unpack(n,o)),n._ellipsoid=t.Ellipsoid.clone(n._ellipsoid),x.createGeometry(n)}}));
    26.