import{b as _,h as I}from"./chunk-OYLSJJLX.js";import{a as n,b as N,d as Z,e as A}from"./chunk-HKHWYVWA.js";import{a as cn}from"./chunk-HJACR6CT.js";import{a as T}from"./chunk-XK5OJOFF.js";import{a as on,b as h}from"./chunk-YLNT2FRE.js";import{e as x}from"./chunk-PIOASIZ6.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 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i=n.magnitudeSquared(n.subtract(s,r,b)),v=n.magnitudeSquared(n.subtract(m,d,b)),C=n.magnitudeSquared(n.subtract(z,f,b)),q=r,O=s,p=i;v>p&&(p=v,q=d,O=m),C>p&&(p=C,q=f,O=z);let S=H;S.x=(q.x+O.x)*.5,S.y=(q.y+O.y)*.5,S.z=(q.z+O.z)*.5;let l=n.magnitudeSquared(n.subtract(O,S,b)),j=Math.sqrt(l),P=nn;P.x=r.x,P.y=d.y,P.z=f.z;let D=tn;D.x=s.x,D.y=m.y,D.z=z.z;let B=n.midpoint(P,D,en),R=0;for(u=0;u<y;u+=3){c.x=e[u]+t[u],c.y=e[u+1]+t[u+1],c.z=e[u+2]+t[u+2];let M=n.magnitude(n.subtract(c,B,b));M>R&&(R=M);let w=n.magnitudeSquared(n.subtract(c,S,b));if(w>l){let g=Math.sqrt(w);j=(j+g)*.5,l=j*j;let E=g-j;S.x=(j*S.x+E*c.x)/g,S.y=(j*S.y+E*c.y)/g,S.z=(j*S.z+E*c.z)/g}}return j<R?(n.clone(S,o.center),o.radius=j):(n.clone(B,o.center),o.radius=R),o};a.fromCornerPoints=function(e,t,o){h.typeOf.object("corner",e),h.typeOf.object("oppositeCorner",t),x(o)||(o=new a);let c=n.midpoint(e,t,o.center);return o.radius=n.distance(c,t),o};a.fromEllipsoid=function(e,t){return h.typeOf.object("ellipsoid",e),x(t)||(t=new 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t.center=n.clone(o,t.center),t.radius=r,t};a.clone=function(e,t){if(x(e))return x(t)?(t.center=n.clone(e.center,t.center),t.radius=e.radius,t):new a(e.center,e.radius)};a.packedLength=4;a.pack=function(e,t,o){h.typeOf.object("value",e),h.defined("array",t),o=T(o,0);let c=e.center;return t[o++]=c.x,t[o++]=c.y,t[o++]=c.z,t[o]=e.radius,t};a.unpack=function(e,t,o){h.defined("array",e),t=T(t,0),x(o)||(o=new a);let c=o.center;return c.x=e[t++],c.y=e[t++],c.z=e[t++],o.radius=e[t],o};var On=new n,jn=new n;a.union=function(e,t,o){h.typeOf.object("left",e),h.typeOf.object("right",t),x(o)||(o=new a);let c=e.center,r=e.radius,d=t.center,f=t.radius,s=n.subtract(d,c,On),m=n.magnitude(s);if(r>=m+f)return e.clone(o),o;if(f>=m+r)return t.clone(o),o;let z=(r+m+f)*.5,y=n.multiplyByScalar(s,(-r+z)/m,jn);return n.add(y,c,y),n.clone(y,o.center),o.radius=z,o};var bn=new n;a.expand=function(e,t,o){h.typeOf.object("sphere",e),h.typeOf.object("point",t),o=a.clone(e,o);let c=n.magnitude(n.subtract(t,o.center,bn));return c>o.radius&&(o.radius=c),o};a.intersectPlane=function(e,t){h.typeOf.object("sphere",e),h.typeOf.object("plane",t);let o=e.center,c=e.radius,r=t.normal,d=n.dot(r,o)+t.distance;return d<-c?U.OUTSIDE:d<c?U.INTERSECTING:U.INSIDE};a.transform=function(e,t,o){return h.typeOf.object("sphere",e),h.typeOf.object("transform",t),x(o)||(o=new a),o.center=_.multiplyByPoint(t,e.center,o.center),o.radius=_.getMaximumScale(t)*e.radius,o};var qn=new n;a.distanceSquaredTo=function(e,t){h.typeOf.object("sphere",e),h.typeOf.object("cartesian",t);let o=n.subtract(e.center,t,qn),c=n.magnitude(o)-e.radius;return c<=0?0:c*c};a.transformWithoutScale=function(e,t,o){return h.typeOf.object("sphere",e),h.typeOf.object("transform",t),x(o)||(o=new a),o.center=_.multiplyByPoint(t,e.center,o.center),o.radius=e.radius,o};var Mn=new 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};
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