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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 1.99
    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(["./Transforms-3ea76111","./BoxGeometry-2a0f092f","./Matrix3-edb29a7e","./Color-bda3e761","./CylinderGeometry-ed076423","./defaultValue-135942ca","./EllipsoidGeometry-ba11d28b","./IndexDatatype-3a8ea78f","./Matrix2-7a2bab7e","./createTaskProcessorWorker","./Math-a304e2d6","./combine-462d91dd","./RuntimeError-f0dada00","./ComponentDatatype-e86a9f87","./WebGLConstants-fcb70ee3","./GeometryAttribute-dacddb3f","./GeometryAttributes-899f8bd0","./GeometryOffsetAttribute-d3a42805","./VertexFormat-7d5b4d7e","./CylinderGeometryLibrary-29e6b863"],(function(e,t,n,a,r,i,o,s,d,c,l,f,u,h,b,p,y,x,g,m){"use strict";function C(e){this.offset=e.offset,this.count=e.count,this.color=e.color,this.batchIds=e.batchIds}const I=new n.Cartesian3,M=d.Matrix4.packedLength+n.Cartesian3.packedLength,k=d.Matrix4.packedLength+2,B=d.Matrix4.packedLength+n.Cartesian3.packedLength,w=n.Cartesian3.packedLength+1,A={modelMatrix:new d.Matrix4,boundingVolume:new e.BoundingSphere};function O(e,t){let a=t*M;const r=n.Cartesian3.unpack(e,a,I);a+=n.Cartesian3.packedLength;const i=d.Matrix4.unpack(e,a,A.modelMatrix);d.Matrix4.multiplyByScale(i,r,i);const o=A.boundingVolume;return n.Cartesian3.clone(n.Cartesian3.ZERO,o.center),o.radius=Math.sqrt(3),A}function L(e,t){let a=t*k;const r=e[a++],i=e[a++],o=n.Cartesian3.fromElements(r,r,i,I),s=d.Matrix4.unpack(e,a,A.modelMatrix);d.Matrix4.multiplyByScale(s,o,s);const c=A.boundingVolume;return n.Cartesian3.clone(n.Cartesian3.ZERO,c.center),c.radius=Math.sqrt(2),A}function v(e,t){let a=t*B;const r=n.Cartesian3.unpack(e,a,I);a+=n.Cartesian3.packedLength;const i=d.Matrix4.unpack(e,a,A.modelMatrix);d.Matrix4.multiplyByScale(i,r,i);const o=A.boundingVolume;return n.Cartesian3.clone(n.Cartesian3.ZERO,o.center),o.radius=1,A}function E(e,t){let a=t*w;const r=e[a++],i=n.Cartesian3.unpack(e,a,I),o=d.Matrix4.fromTranslation(i,A.modelMatrix);d.Matrix4.multiplyByUniformScale(o,r,o);const s=A.boundingVolume;return n.Cartesian3.clone(n.Cartesian3.ZERO,s.center),s.radius=1,A}const U=new n.Cartesian3;function G(t,r,o,s,c){if(!i.defined(r))return;const l=o.length,f=s.attributes.position.values,u=s.indices,h=t.positions,b=t.vertexBatchIds,p=t.indices,y=t.batchIds,x=t.batchTableColors,g=t.batchedIndices,m=t.indexOffsets,I=t.indexCounts,M=t.boundingVolumes,k=t.modelMatrix,B=t.center;let w=t.positionOffset,A=t.batchIdIndex,O=t.indexOffset;const L=t.batchedIndicesOffset;for(let t=0;t<l;++t){const i=c(r,t),s=i.modelMatrix;d.Matrix4.multiply(k,s,s);const l=o[t],v=f.length;for(let e=0;e<v;e+=3){const t=n.Cartesian3.unpack(f,e,U);d.Matrix4.multiplyByPoint(s,t,t),n.Cartesian3.subtract(t,B,t),n.Cartesian3.pack(t,h,3*w+e),b[A++]=l}const E=u.length;for(let e=0;e<E;++e)p[O+e]=u[e]+w;const G=t+L;g[G]=new C({offset:O,count:E,color:a.Color.fromRgba(x[l]),batchIds:[l]}),y[G]=l,m[G]=O,I[G]=E,M[G]=e.BoundingSphere.transform(i.boundingVolume,s),w+=v/3,O+=E}t.positionOffset=w,t.batchIdIndex=A,t.indexOffset=O,t.batchedIndicesOffset+=l}const S=new n.Cartesian3,V=new d.Matrix4;function T(t,n,r){const i=r.length,o=2+i*e.BoundingSphere.packedLength+1+function(e){const t=e.length;let n=0;for(let r=0;r<t;++r)n+=a.Color.packedLength+3+e[r].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(r[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];a.Color.pack(t.color,s,d),d+=a.Color.packedLength,s[d++]=t.offset,s[d++]=t.count;const r=t.batchIds,i=r.length;s[d++]=i;for(let e=0;e<i;++e)s[d++]=r[e]}return s}return c((function(e,a){const c=i.defined(e.boxes)?new Float32Array(e.boxes):void 0,l=i.defined(e.boxBatchIds)?new Uint16Array(e.boxBatchIds):void 0,f=i.defined(e.cylinders)?new Float32Array(e.cylinders):void 0,u=i.defined(e.cylinderBatchIds)?new Uint16Array(e.cylinderBatchIds):void 0,h=i.defined(e.ellipsoids)?new Float32Array(e.ellipsoids):void 0,b=i.defined(e.ellipsoidBatchIds)?new Uint16Array(e.ellipsoidBatchIds):void 0,p=i.defined(e.spheres)?new Float32Array(e.spheres):void 0,y=i.defined(e.sphereBatchIds)?new Uint16Array(e.sphereBatchIds):void 0,x=i.defined(c)?l.length:0,g=i.defined(f)?u.length:0,m=i.defined(h)?b.length:0,C=i.defined(p)?y.length:0,I=t.BoxGeometry.getUnitBox(),M=r.CylinderGeometry.getUnitCylinder(),k=o.EllipsoidGeometry.getUnitEllipsoid(),B=I.attributes.position.values,w=M.attributes.position.values,A=k.attributes.position.values;let U=B.length*x;U+=w.length*g,U+=A.length*(m+C);const F=I.indices,R=M.indices,Z=k.indices;let D=F.length*x;D+=R.length*g,D+=Z.length*(m+C);const P=new Float32Array(U),q=new Uint16Array(U/3),W=s.IndexDatatype.createTypedArray(U/3,D),_=x+g+m+C,N=new Uint16Array(_),Y=new Array(_),j=new Uint32Array(_),z=new Uint32Array(_),H=new Array(_);!function(e){const t=new Float64Array(e);let a=0;n.Cartesian3.unpack(t,a,S),a+=n.Cartesian3.packedLength,d.Matrix4.unpack(t,a,V)}(e.packedBuffer);const J={batchTableColors:new Uint32Array(e.batchTableColors),positions:P,vertexBatchIds:q,indices:W,batchIds:N,batchedIndices:Y,indexOffsets:j,indexCounts:z,boundingVolumes:H,positionOffset:0,batchIdIndex:0,indexOffset:0,batchedIndicesOffset:0,modelMatrix:V,center:S};G(J,c,l,I,O),G(J,f,u,M,L),G(J,h,b,k,v),G(J,p,y,k,E);const K=T(W.BYTES_PER_ELEMENT,Y,H);return a.push(P.buffer,q.buffer,W.buffer),a.push(N.buffer,j.buffer,z.buffer),a.push(K.buffer),{positions:P.buffer,vertexBatchIds:q.buffer,indices:W.buffer,indexOffsets:j.buffer,indexCounts:z.buffer,batchIds:N.buffer,packedBuffer:K.buffer}}))}));
    26.