Files
sdk4.0/static/Cesium/Workers/createVectorTilePoints.js
2025-07-03 13:54:01 +08:00

26 lines
1.9 KiB
JavaScript

/**
* @license
* Cesium - https://github.com/CesiumGS/cesium
* Version 1.98
*
* Copyright 2011-2022 Cesium Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Columbus View (Pat. Pend.)
*
* Portions licensed separately.
* See https://github.com/CesiumGS/cesium/blob/main/LICENSE.md for full licensing details.
*/
define(["./AttributeCompression-b4dfdf5f","./Matrix2-cf4c6e69","./ComponentDatatype-9b23164a","./createTaskProcessorWorker","./defaultValue-50f7432c","./RuntimeError-48e1f06d","./WebGLConstants-58abc51a"],(function(e,t,a,r,n,o,i){"use strict";const s=32767,c=new t.Cartographic,u=new t.Cartesian3,p=new t.Rectangle,f=new t.Ellipsoid,l={min:void 0,max:void 0};return r((function(r,n){const o=new Uint16Array(r.positions);!function(e){e=new Float64Array(e);let a=0;l.min=e[a++],l.max=e[a++],t.Rectangle.unpack(e,a,p),a+=t.Rectangle.packedLength,t.Ellipsoid.unpack(e,a,f)}(r.packedBuffer);const i=p,m=f,d=l.min,h=l.max,C=o.length/3,b=o.subarray(0,C),g=o.subarray(C,2*C),w=o.subarray(2*C,3*C);e.AttributeCompression.zigZagDeltaDecode(b,g,w);const k=new Float64Array(o.length);for(let e=0;e<C;++e){const r=b[e],n=g[e],o=w[e],p=a.CesiumMath.lerp(i.west,i.east,r/s),f=a.CesiumMath.lerp(i.south,i.north,n/s),l=a.CesiumMath.lerp(d,h,o/s),C=t.Cartographic.fromRadians(p,f,l,c),y=m.cartographicToCartesian(C,u);t.Cartesian3.pack(y,k,3*e)}return n.push(k.buffer),{positions:k.buffer}}))}));