/**
 * @license
 * Cesium - https://github.com/CesiumGS/cesium
 * Version 1.124
 *
 * 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 _,h as I}from"./chunk-M3A6SPGI.js";import{a as n,b as N,d as Z,e as A}from"./chunk-S4VBGY2U.js";import{a as cn}from"./chunk-UCTPWOTZ.js";import{a as T}from"./chunk-N3A5CZ2S.js";import{a as on,b as h}from"./chunk-G75U3WZT.js";import{e as x}from"./chunk-3THTQ4QB.js";function V(e){this._ellipsoid=T(e,Z.default),this._semimajorAxis=this._ellipsoid.maximumRadius,this._oneOverSemimajorAxis=1/this._semimajorAxis}Object.defineProperties(V.prototype,{ellipsoid:{get:function(){return this._ellipsoid}}});V.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)};V.prototype.unproject=function(e,t){if(!x(e))throw new on("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 N(c,r,d)};var k=V;var mn={OUTSIDE:-1,INTERSECTING:0,INSIDE:1},U=Object.freeze(mn);function un(e,t){this.start=T(e,0),this.stop=T(t,0)}var rn=un;function a(e,t){this.center=n.clone(T(e,n.ZERO)),this.radius=T(t,0)}var F=new n,Y=new n,J=new n,K=new n,Q=new n,$=new n,L=new n,b=new n,H=new n,nn=new n,tn=new n,en=new n,xn=4/3*cn.PI;a.fromPoints=function(e,t){if(x(t)||(t=new a),!x(e)||e.length===0)return t.center=n.clone(n.ZERO,t.center),t.radius=0,t;let o=n.clone(e[0],L),c=n.clone(o,F),r=n.clone(o,Y),d=n.clone(o,J),f=n.clone(o,K),s=n.clone(o,Q),m=n.clone(o,$),z=e.length,y;for(y=1;y<z;y++){n.clone(e[y],o);let R=o.x,M=o.y,w=o.z;R<c.x&&n.clone(o,c),R>f.x&&n.clone(o,f),M<r.y&&n.clone(o,r),M>s.y&&n.clone(o,s),w<d.z&&n.clone(o,d),w>m.z&&n.clone(o,m)}let u=n.magnitudeSquared(n.subtract(f,c,b)),i=n.magnitudeSquared(n.subtract(s,r,b)),v=n.magnitudeSquared(n.subtract(m,d,b)),C=c,q=f,O=u;i>O&&(O=i,C=r,q=s),v>O&&(O=v,C=d,q=m);let p=H;p.x=(C.x+q.x)*.5,p.y=(C.y+q.y)*.5,p.z=(C.z+q.z)*.5;let S=n.magnitudeSquared(n.subtract(q,p,b)),l=Math.sqrt(S),j=nn;j.x=c.x,j.y=r.y,j.z=d.z;let P=tn;P.x=f.x,P.y=s.y,P.z=m.z;let 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B=tn;B.x=m.x,B.y=z.y,B.z=y.z;let R=n.midpoint(D,B,en),M=0;for(i=0;i<u;i+=o){r.x=e[i]+t.x,r.y=e[i+1]+t.y,r.z=e[i+2]+t.z;let w=n.magnitude(n.subtract(r,R,b));w>M&&(M=w);let g=n.magnitudeSquared(n.subtract(r,l,b));if(g>j){let E=Math.sqrt(g);P=(P+E)*.5,j=P*P;let W=E-P;l.x=(P*l.x+W*r.x)/E,l.y=(P*l.y+W*r.y)/E,l.z=(P*l.z+W*r.z)/E}}return P<M?(n.clone(l,c.center),c.radius=P):(n.clone(R,c.center),c.radius=M),c};a.fromEncodedCartesianVertices=function(e,t,o){if(x(o)||(o=new a),!x(e)||!x(t)||e.length!==t.length||e.length===0)return o.center=n.clone(n.ZERO,o.center),o.radius=0,o;let c=L;c.x=e[0]+t[0],c.y=e[1]+t[1],c.z=e[2]+t[2];let r=n.clone(c,F),d=n.clone(c,Y),f=n.clone(c,J),s=n.clone(c,K),m=n.clone(c,Q),z=n.clone(c,$),y=e.length,u;for(u=0;u<y;u+=3){let M=e[u]+t[u],w=e[u+1]+t[u+1],g=e[u+2]+t[u+2];c.x=M,c.y=w,c.z=g,M<r.x&&n.clone(c,r),M>s.x&&n.clone(c,s),w<d.y&&n.clone(c,d),w>m.y&&n.clone(c,m),g<f.z&&n.clone(c,f),g>z.z&&n.clone(c,z)}let 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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 rn);let r=n.subtract(e.center,t,Mn),d=n.dot(o,r);return c.start=d-e.radius,c.stop=d+e.radius,c};var dn=new n,Tn=new n,Cn=new n,Rn=new n,En=new n,Dn=new N,sn=new Array(8);for(let e=0;e<8;++e)sn[e]=new n;var fn=new k;a.projectTo2D=function(e,t,o){h.typeOf.object("sphere",e),fn._ellipsoid=Z.default,t=T(t,fn);let c=t.ellipsoid,r=e.center,d=e.radius,f;n.equals(r,n.ZERO)?f=n.clone(n.UNIT_X,dn):f=c.geodeticSurfaceNormal(r,dn);let s=n.cross(n.UNIT_Z,f,Tn);n.normalize(s,s);let m=n.cross(f,s,Cn);n.normalize(m,m),n.multiplyByScalar(f,d,f),n.multiplyByScalar(m,d,m),n.multiplyByScalar(s,d,s);let z=n.negate(m,En),y=n.negate(s,Rn),u=sn,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 v=u.length;for(let p=0;p<v;++p){let S=u[p];n.add(r,S,S);let l=c.cartesianToCartographic(S,Dn);t.project(l,S)}o=a.fromPoints(u,o),r=o.center;let C=r.x,q=r.y,O=r.z;return r.x=O,r.y=C,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 xn*e*e*e};var et=a;export{k as a,U as b,rn as c,et as d};