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createVectorTileGeometries.js

createVectorTileGeometries.js 6.2 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(["./Transforms-d3d3b2a9","./BoxGeometry-acd0c697","./Matrix2-73789715","./Color-c7fd1307","./CylinderGeometry-679e50b4","./defaultValue-97284df2","./EllipsoidGeometry-539fb9e2","./IndexDatatype-65271ba3","./createTaskProcessorWorker","./RuntimeError-4f8ec8a2","./ComponentDatatype-e7fbe225","./WebGLConstants-6da700a2","./_commonjsHelpers-3aae1032-65601a27","./combine-d11b1f00","./GeometryAttribute-fd1d7e90","./GeometryAttributes-734a3446","./GeometryOffsetAttribute-59b14f45","./VertexFormat-9886cb81","./CylinderGeometryLibrary-24ad1484"],(function(e,t,n,r,a,i,o,s,d,c,l,f,u,h,b,p,y,x,g){"use strict";function m(e){this.offset=e.offset,this.count=e.count,this.color=e.color,this.batchIds=e.batchIds}const C=new n.Cartesian3,I=n.Matrix4.packedLength+n.Cartesian3.packedLength,k=n.Matrix4.packedLength+2,M=n.Matrix4.packedLength+n.Cartesian3.packedLength,B=n.Cartesian3.packedLength+1,w={modelMatrix:new n.Matrix4,boundingVolume:new e.BoundingSphere};function A(e,t){let r=t*I;const a=n.Cartesian3.unpack(e,r,C);r+=n.Cartesian3.packedLength;const i=n.Matrix4.unpack(e,r,w.modelMatrix);n.Matrix4.multiplyByScale(i,a,i);const o=w.boundingVolume;return n.Cartesian3.clone(n.Cartesian3.ZERO,o.center),o.radius=Math.sqrt(3),w}function O(e,t){let r=t*k;const a=e[r++],i=e[r++],o=n.Cartesian3.fromElements(a,a,i,C),s=n.Matrix4.unpack(e,r,w.modelMatrix);n.Matrix4.multiplyByScale(s,o,s);const d=w.boundingVolume;return n.Cartesian3.clone(n.Cartesian3.ZERO,d.center),d.radius=Math.sqrt(2),w}function L(e,t){let r=t*M;const a=n.Cartesian3.unpack(e,r,C);r+=n.Cartesian3.packedLength;const i=n.Matrix4.unpack(e,r,w.modelMatrix);n.Matrix4.multiplyByScale(i,a,i);const o=w.boundingVolume;return n.Cartesian3.clone(n.Cartesian3.ZERO,o.center),o.radius=1,w}function v(e,t){let r=t*B;const a=e[r++],i=n.Cartesian3.unpack(e,r,C),o=n.Matrix4.fromTranslation(i,w.modelMatrix);n.Matrix4.multiplyByUniformScale(o,a,o);const s=w.boundingVolume;return n.Cartesian3.clone(n.Cartesian3.ZERO,s.center),s.radius=1,w}const E=new n.Cartesian3;function U(t,a,o,s,d){if(!i.defined(a))return;const c=o.length,l=s.attributes.position.values,f=s.indices,u=t.positions,h=t.vertexBatchIds,b=t.indices,p=t.batchIds,y=t.batchTableColors,x=t.batchedIndices,g=t.indexOffsets,C=t.indexCounts,I=t.boundingVolumes,k=t.modelMatrix,M=t.center;let B=t.positionOffset,w=t.batchIdIndex,A=t.indexOffset;const O=t.batchedIndicesOffset;for(let t=0;t<c;++t){const i=d(a,t),s=i.modelMatrix;n.Matrix4.multiply(k,s,s);const c=o[t],L=l.length;for(let e=0;e<L;e+=3){const t=n.Cartesian3.unpack(l,e,E);n.Matrix4.multiplyByPoint(s,t,t),n.Cartesian3.subtract(t,M,t),n.Cartesian3.pack(t,u,3*B+e),h[w++]=c}const v=f.length;for(let e=0;e<v;++e)b[A+e]=f[e]+B;const U=t+O;x[U]=new m({offset:A,count:v,color:r.Color.fromRgba(y[c]),batchIds:[c]}),p[U]=c,g[U]=A,C[U]=v,I[U]=e.BoundingSphere.transform(i.boundingVolume,s),B+=L/3,A+=v}t.positionOffset=B,t.batchIdIndex=w,t.indexOffset=A,t.batchedIndicesOffset+=c}const G=new n.Cartesian3,S=new n.Matrix4;function V(t,n,a){const i=a.length,o=2+i*e.BoundingSphere.packedLength+1+function(e){const t=e.length;let n=0;for(let a=0;a<t;++a)n+=r.Color.packedLength+3+e[a].batchIds.length;return n}(n),s=new Float64Array(o);let d=0;s[d++]=t,s[d++]=i;for(let t=0;t<i;++t)e.BoundingSphere.pack(a[t],s,d),d+=e.BoundingSphere.packedLength;const c=n.length;s[d++]=c;for(let e=0;e<c;++e){const t=n[e];r.Color.pack(t.color,s,d),d+=r.Color.packedLength,s[d++]=t.offset,s[d++]=t.count;const a=t.batchIds,i=a.length;s[d++]=i;for(let e=0;e<i;++e)s[d++]=a[e]}return s}return d((function(e,r){const d=i.defined(e.boxes)?new Float32Array(e.boxes):void 0,c=i.defined(e.boxBatchIds)?new Uint16Array(e.boxBatchIds):void 0,l=i.defined(e.cylinders)?new Float32Array(e.cylinders):void 0,f=i.defined(e.cylinderBatchIds)?new Uint16Array(e.cylinderBatchIds):void 0,u=i.defined(e.ellipsoids)?new Float32Array(e.ellipsoids):void 0,h=i.defined(e.ellipsoidBatchIds)?new Uint16Array(e.ellipsoidBatchIds):void 0,b=i.defined(e.spheres)?new Float32Array(e.spheres):void 0,p=i.defined(e.sphereBatchIds)?new Uint16Array(e.sphereBatchIds):void 0,y=i.defined(d)?c.length:0,x=i.defined(l)?f.length:0,g=i.defined(u)?h.length:0,m=i.defined(b)?p.length:0,C=t.BoxGeometry.getUnitBox(),I=a.CylinderGeometry.getUnitCylinder(),k=o.EllipsoidGeometry.getUnitEllipsoid(),M=C.attributes.position.values,B=I.attributes.position.values,w=k.attributes.position.values;let E=M.length*y;E+=B.length*x,E+=w.length*(g+m);const T=C.indices,F=I.indices,R=k.indices;let Z=T.length*y;Z+=F.length*x,Z+=R.length*(g+m);const D=new Float32Array(E),P=new Uint16Array(E/3),_=s.IndexDatatype.createTypedArray(E/3,Z),q=y+x+g+m,W=new Uint16Array(q),j=new Array(q),H=new Uint32Array(q),N=new Uint32Array(q),Y=new Array(q);!function(e){const t=new Float64Array(e);let r=0;n.Cartesian3.unpack(t,r,G),r+=n.Cartesian3.packedLength,n.Matrix4.unpack(t,r,S)}(e.packedBuffer);const z={batchTableColors:new Uint32Array(e.batchTableColors),positions:D,vertexBatchIds:P,indices:_,batchIds:W,batchedIndices:j,indexOffsets:H,indexCounts:N,boundingVolumes:Y,positionOffset:0,batchIdIndex:0,indexOffset:0,batchedIndicesOffset:0,modelMatrix:S,center:G};U(z,d,c,C,A),U(z,l,f,I,O),U(z,u,h,k,L),U(z,b,p,k,v);const J=V(_.BYTES_PER_ELEMENT,j,Y);return r.push(D.buffer,P.buffer,_.buffer),r.push(W.buffer,H.buffer,N.buffer),r.push(J.buffer),{positions:D.buffer,vertexBatchIds:P.buffer,indices:_.buffer,indexOffsets:H.buffer,indexCounts:N.buffer,batchIds:W.buffer,packedBuffer:J.buffer}}))}));
    26.