/**
 * @license
 * Cesium - https://github.com/CesiumGS/cesium
 * Version 1.128
 *
 * 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.
 */

import{b as Z,h as A}from"./chunk-GSQ5TTBU.js";import{a as n,b as v,d as N,e as _}from"./chunk-KLDIEE7M.js";import{a as on}from"./chunk-BF7B4FIR.js";import{a as en,b as h}from"./chunk-IQDUXDOM.js";import{e as x}from"./chunk-GDY26PU3.js";function I(e){this._ellipsoid=e??N.default,this._semimajorAxis=this._ellipsoid.maximumRadius,this._oneOverSemimajorAxis=1/this._semimajorAxis}Object.defineProperties(I.prototype,{ellipsoid:{get:function(){return this._ellipsoid}}});I.prototype.project=function(e,t){let o=this._semimajorAxis,c=e.longitude*o,r=e.latitude*o,d=e.height;return x(t)?(t.x=c,t.y=r,t.z=d,t):new n(c,r,d)};I.prototype.unproject=function(e,t){if(!x(e))throw new en("cartesian is required");let o=this._oneOverSemimajorAxis,c=e.x*o,r=e.y*o,d=e.z;return x(t)?(t.longitude=c,t.latitude=r,t.height=d,t):new v(c,r,d)};var k=I;var sn={OUTSIDE:-1,INTERSECTING:0,INSIDE:1},U=Object.freeze(sn);function mn(e,t){this.start=e??0,this.stop=t??0}var cn=mn;function 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n;a.computePlaneDistances=function(e,t,o,c){h.typeOf.object("sphere",e),h.typeOf.object("position",t),h.typeOf.object("direction",o),x(c)||(c=new cn);let r=n.subtract(e.center,t,qn),d=n.dot(o,r);return c.start=d-e.radius,c.stop=d+e.radius,c};var an=new n,Mn=new n,Tn=new n,Cn=new n,Rn=new n,En=new v,fn=new Array(8);for(let e=0;e<8;++e)fn[e]=new n;var dn=new k;a.projectTo2D=function(e,t,o){h.typeOf.object("sphere",e),dn._ellipsoid=N.default,t=t??dn;let c=t.ellipsoid,r=e.center,d=e.radius,f;n.equals(r,n.ZERO)?f=n.clone(n.UNIT_X,an):f=c.geodeticSurfaceNormal(r,an);let s=n.cross(n.UNIT_Z,f,Mn);n.normalize(s,s);let m=n.cross(f,s,Tn);n.normalize(m,m),n.multiplyByScalar(f,d,f),n.multiplyByScalar(m,d,m),n.multiplyByScalar(s,d,s);let z=n.negate(m,Rn),y=n.negate(s,Cn),u=fn,i=u[0];n.add(f,m,i),n.add(i,s,i),i=u[1],n.add(f,m,i),n.add(i,y,i),i=u[2],n.add(f,z,i),n.add(i,y,i),i=u[3],n.add(f,z,i),n.add(i,s,i),n.negate(f,f),i=u[4],n.add(f,m,i),n.add(i,s,i),i=u[5],n.add(f,m,i),n.add(i,y,i),i=u[6],n.add(f,z,i),n.add(i,y,i),i=u[7],n.add(f,z,i),n.add(i,s,i);let B=u.length;for(let p=0;p<B;++p){let S=u[p];n.add(r,S,S);let l=c.cartesianToCartographic(S,En);t.project(l,S)}o=a.fromPoints(u,o),r=o.center;let T=r.x,q=r.y,O=r.z;return r.x=O,r.y=T,r.z=q,o};a.isOccluded=function(e,t){return h.typeOf.object("sphere",e),h.typeOf.object("occluder",t),!t.isBoundingSphereVisible(e)};a.equals=function(e,t){return e===t||x(e)&&x(t)&&n.equals(e.center,t.center)&&e.radius===t.radius};a.prototype.intersectPlane=function(e){return a.intersectPlane(this,e)};a.prototype.distanceSquaredTo=function(e){return a.distanceSquaredTo(this,e)};a.prototype.computePlaneDistances=function(e,t,o){return a.computePlaneDistances(this,e,t,o)};a.prototype.isOccluded=function(e){return a.isOccluded(this,e)};a.prototype.equals=function(e){return a.equals(this,e)};a.prototype.clone=function(e){return a.clone(this,e)};a.prototype.volume=function(){let e=this.radius;return un*e*e*e};var Ln=a;export{k as a,U as b,cn as c,Ln as d};