earthtojake--text-to-cad/skills/cad-viewer/scripts/viewer/dist/assets/index-CtivV2cL.js

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c=xE(l,n,t,r?.displayRecords);for(const u of c)o.delete(u)}}}function rH(e={}){const t=Math.max(Number(e.duration)||0,0),n=Math.max(Number(e.elapsedSec)||0,0);return{elapsed:n,elapsedSec:n,duration:t,progress:t>0?YU(n/t,0,1):0,cycle:t>0?n/t:0,playing:e.playing===!0,speed:Math.max(Number(e.speed)||1,0)}}function Ph({runtime:e,stepModuleRuntime:t,features:n,effects:r,cleanup:o}){const i=t?.definition||null;return{THREE:e?.THREE,scene:e?.scene,modelGroup:e?.modelGroup,edgesGroup:e?.edgesGroup,runtime:e,manifest:i?.manifest||{},module:i?.module||null,cadPath:t?.cadPath||i?.cadPath||"",params:t?.parameterValues||{},features:n,effects:r,time:rH(t?.animationState),cleanup:typeof o=="function"?o:()=>{},requestRender:()=>e?.requestRender?.()}}function rO(e,t,n){nO(t);for(const r of Array.isArray(t)?t:[]){const o=n.get(String(r?.partId||"").trim());o&&(r.effectMatrix=o.matrix instanceof e.Matrix4?o.matrix.clone():null,r.effectStyle=o.style&&typeof o.style=="object"?{...o.style}:null,r.effectVisible=o.visible,r.effectHighlighted=o.highlighted===!0)}}function yS(e,t,n){if(!t||!(n instanceof e.Matrix4))return;t.matrixAutoUpdate=!1;const r=t.matrix instanceof e.Matrix4?t.matrix:new e.Matrix4;r.copy(n),t.matrix=r,t.matrixWorldNeedsUpdate=!0}function Fv(e,t){if(!t||!e?.Matrix4)return null;const n=[t.effectMatrix,t.explodedViewMatrix].filter(o=>o instanceof e.Matrix4);if(!n.length)return null;const r=new e.Matrix4;for(const o of n)r.premultiply(o);return r}function oH(e,t){const n=eO(e,t?.baseTransform),r=Fv(e,t);return r?r.multiply(n):n}function Sl(e,t){if(!t)return;const n=oH(e,t);yS(e,t.mesh,n),yS(e,t.edges,n),yS(e,t.silhouette,n)}const iH=30,sH=.9,aH=.6,oO=.55,iO=.35,sO=.55,aO=.12,lO=.05;function cO(e,t,n){return Math.min(Math.max(e,t),n)}function c0(e,t,n,r){if(!n?.isColor)return null;if(!t?.isColor)return n;const o=cO(Number.isFinite(Number(r))?Number(r):1,0,1);return t.clone().lerp(n,o)}const lH=`
uniform float cadGhostCoverage;

float cadGhostBayer2(vec2 a) {
  a = floor(a);
  return fract(dot(a, vec2(0.5, a.y * 0.75)));
}

float cadGhostBayer4(vec2 a) {
  return cadGhostBayer2(0.5 * a) * 0.25 + cadGhostBayer2(a);
}

float cadGhostBayer8(vec2 a) {
  return cadGhostBayer4(0.5 * a) * 0.25 + cadGhostBayer2(a);
}
`;function cH(e,{color:t=null,coverage:n=aH,opacity:r=sH}={}){const o=new e.MeshBasicMaterial({color:t?.isColor?t.clone():new e.Color("#4f9dff"),transparent:!0,opacity:r,depthTest:!0,depthFunc:e.GreaterDepth,depthWrite:!1,side:e.FrontSide,toneMapped:!1}),i={value:cO(Number(n),0,1)};return o.userData.cadGhostCoverageUniform=i,o.onBeforeCompile=s=>{s.uniforms.cadGhostCoverage=i,s.fragmentShader=s.fragmentShader.replace("void main() {",`${lH}
void main() {
  if (cadGhostCoverage <= cadGhostBayer8(gl_FragCoord.xy)) discard;
`)},o.customProgramCacheKey=()=>"cadPartOcclusionGhost",o}function uH(e,t){if(t?.ghostMesh)return t.ghostMesh;const n=t?.geometry||t?.mesh?.geometry;if(!n||typeof t?.mesh?.add!="function")return null;const r=cH(e,{color:t.baseColor});r.clippingPlanes=t.material?.clippingPlanes||null;const o=new e.Mesh(n,r);return o.renderOrder=iH,o.visible=!1,o.castShadow=!1,o.receiveShadow=!1,o.userData.partId=t.partId,o.userData.isOcclusionGhost=!0,t.mesh.add(o),t.ghostMesh=o,t.ghostMaterial=r,o}function uO(e,t,{visible:n=!1,color:r=null}={}){if(!t)return null;if(!n)return t.ghostMesh&&(t.ghostMesh.visible=!1),t.ghostMesh||null;const o=uH(e,t);return o?(o.visible=!0,r?.isColor&&t.ghostMaterial?.color?.copy&&t.ghostMaterial.color.copy(r),o):null}const Xr=Object.freeze({CAD:"cad",URDF:"urdf"}),dH=Object.freeze({[Xr.CAD]:Object.freeze({minModelRadius:1,minGridSize:280,lightingScopeRadius:140,lightingReferenceModelRadius:760}),[Xr.URDF]:Object.freeze({minModelRadius:.05,minGridSize:.28,lightingScopeRadius:.14,lightingReferenceModelRadius:.76})}),fH=Object.freeze({[Xr.CAD]:Object.freeze({minExtent:60,normalBias:.024,radius:14}),[Xr.URDF]:Object.freeze({minExtent:.55,normalBias:12e-6,radius:14})});function hm(e){return e===Xr.URDF?Xr.URDF:Xr.CAD}function ya(e){return dH[hm(e)]}function ld(e,t){const n=Number(e);return Math.max(Number.isFinite(n)?n:0,ya(t).minModelRadius)}function mH(e){return ya(e).minGridSize/2}function pH(e){return ya(e).lightingScopeRadius}function hH(e,t){const n=hm(t),r=ya(n),o=ld(e,n),i=Math.max(Number(r.lightingReferenceModelRadius)||0,r.minModelRadius);return o/i*r.lightingScopeRadius}function gH(e,{radius:t=0,keyLightDistance:n=0}={}){const r=hm(e),o=fH[r],i=ld(t,r),s=Math.max(i*2.8,o.minExtent),a=r===Xr.URDF?Math.max(i*8,Math.max(Number(n)||0,0)+i*6+1):Math.max(i*8,320);return{scopeRadius:i,extent:s,far:a,normalBias:o.normalBias,radius:o.radius}}const yH=Xr,jv=.84,zI=16,BI="#8dc5ff",VI="#4f9dff",bH=.08,xH=.12,SH=23,EH=26,wH=.035,vH=/^#(?:[0-9a-fA-F]{3}){1,2}$/,Wf="__model__",zo=Object.freeze({surface:"#f4f4f5",surfaceRoughness:.92,surfaceMetalness:.03,surfaceClearcoat:0,surfaceClearcoatRoughness:.6,edge:"#18181b",edgeThickness:1,edgeOpacity:jv}),u0="_cad_edge_barycentric",d0="_cad_edge_class",AH=Object.freeze(["feature","tangent","seam","degenerate"]),$I=Object.freeze({feature:Object.freeze({color:"#132232",thickness:1.15,opacity:1}),tangent:Object.freeze({color:"#132232",thickness:1.15,opacity:.5}),seam:Object.freeze({color:"#132232",thickness:1.15,opacity:.85}),degenerate:Object.freeze({color:"#132232",thickness:0,opacity:1})}),GI=new WeakMap;function CH(e){const t=e?.geometrySource;return t&&typeof t=="object"?t:e}function Pn(e,t,n){return Math.min(Math.max(e,t),n)}function Vt(e,t=0){return Number.isFinite(Number(e))?Number(e):t}function UI(e){return Array.isArray(e)?e:[]}function za(e,t=1){return(Array.isArray(e)||ArrayBuffer.isView(e))&&e.length>=t&&e.length%t===0}function dO(e){return hm(e)}function SE(e){const t=[1/0,1/0,1/0],n=[-1/0,-1/0,-1/0];for(let r=0;r+2<(e?.length||0);r+=3){const o=Number(e[r]),i=Number(e[r+1]),s=Number(e[r+2]);[o,i,s].every(Number.isFinite)&&(t[0]=Math.min(t[0],o),t[1]=Math.min(t[1],i),t[2]=Math.min(t[2],s),n[0]=Math.max(n[0],o),n[1]=Math.max(n[1],i),n[2]=Math.max(n[2],s))}return!t.every(Number.isFinite)||!n.every(Number.isFinite)?{min:[0,0,0],max:[1,1,1]}:{min:t,max:n}}function bb(e,t,n=yH.CAD){const r=dO(n),o=ya(r),i=Array.isArray(t?.min)?t.min:[0,0,0],s=Array.isArray(t?.max)?t.max:[1,1,1],a=new e.Vector3((Vt(i[0])+Vt(s[0],1))/2,(Vt(i[1])+Vt(s[1],1))/2,(Vt(i[2])+Vt(s[2],1))/2),l=new e.Vector3(Math.max(Vt(s[0],1)-Vt(i[0]),o.minModelRadius),Math.max(Vt(s[1],1)-Vt(i[1]),o.minModelRadius),Math.max(Vt(s[2],1)-Vt(i[2]),o.minModelRadius));return{center:a,size:l,radius:ld(l.length()/2,r)}}function fO(e){const t=CH(e);let n=GI.get(t);return n||(n={whole:new Map,part:new Map,edge:new Map},GI.set(t,n)),n}function MH(e){return e.map((t,n)=>String(t?.id||t?.occurrenceId||`part:${n}`)).join("|")}function mO(e){return e&&(e.userData={...e.userData||{},cadSceneCachedGeometry:!0}),e}function IH(e){const t=Array.isArray(e)?e:[e];for(const n of t)n?.map?.dispose?.(),n?.alphaMap?.dispose?.(),n?.dispose?.()}function pO(e,{disposeCachedGeometry:t=!1}={}){if(e){for(;e.children?.length;)pO(e.children[0],{disposeCachedGeometry:t});e.parent?.remove(e),typeof e.userData?.beforeDispose=="function"&&(e.userData.beforeDispose(e),delete e.userData.beforeDispose),(t||e.geometry?.userData?.cadSceneCachedGeometry!==!0)&&e.geometry?.dispose?.(),IH(e.material)}}function 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e.Color("#ffffff")).clone(),i=Pn(Number(n.tintStrength)||0,0,1);if(r&&i>0){const c=new e.Color(n.defaultColor||n.tintColor||"#ffffff");n.tintMode==="blend"?o.lerp(c,i):o.lerp(o.clone().multiply(c),i)}const s=Pn(Number(n.saturation)||1,0,2.5);if(Math.abs(s-1)>1e-4){const c={};o.getHSL(c),o.setHSL(c.h,Pn(c.s*s,0,1),c.l)}const a=Pn(Number(n.contrast)||1,0,2.5),l=Pn(Number(n.brightness)||1,0,2);return o.r=Pn(((o.r-.5)*a+.5)*l,0,1),o.g=Pn(((o.g-.5)*a+.5)*l,0,1),o.b=Pn(((o.b-.5)*a+.5)*l,0,1),o}function TH(e,t,n={}){if(!za(t,3))return null;const r=new Float32Array(t.length),o=new e.Color;for(let i=0;i+2<t.length;i+=3){o.setRGB(Pn(Number(t[i])||0,0,1),Pn(Number(t[i+1])||0,0,1),Pn(Number(t[i+2])||0,0,1));const s=zv(e,o,n);r[i]=s.r,r[i+1]=s.g,r[i+2]=s.b}return r}function gO(e){return!!e?.has_source_colors&&za(e?.colors,3)}function _H(e,t){return gO(e)?t&&Object.hasOwn(t,"hasSourceColors")?!!t.hasSourceColors:!0:!1}function RH(e,t={},n=0){return new e.Color(Av(t,n))}function HI(e,t={},n=0){return zv(e,RH(e,t,n),t,{applyTint:!1})}function yO(e,{hasVertexColors:t=!1,sourceColor:n=null,materialSettings:r,fallbackColor:o="#ffffff",fillIndex:i=0,forceFill:s=!1}){return s?HI(e,r,i):t?new e.Color("#ffffff"):n?zv(e,n,r):HI(e,{...r,defaultColor:o||r?.defaultColor},i)}function PH(e={},t,n="#132232"){const r=$I[t]||$I.feature,o=e?.classes?.[t]||{};return{color:o.color||n||r.color,thickness:Pn(Number.isFinite(Number(o.thickness))?Number(o.thickness):r.thickness,0,6),opacity:Pn(Number.isFinite(Number(o.opacity))?Number(o.opacity):r.opacity,0,1)}}function OH(e,t,n={},r=zo){const o=n?.color||r?.edge||zo.edge,i=Object.fromEntries(AH.map(l=>[l,PH(n,l,o)])),s=new e.Color(o),a=Object.fromEntries(Object.entries(i).map(([l,c])=>[l,Gu(e,c.color)||s.clone()]));t.userData.cadSurfaceEdges=!0,t.userData.cadSurfaceEdgeBaseColor=s.clone(),t.userData.cadSurfaceEdgeColor=s.clone(),t.userData.cadSurfaceEdgeBaseClassSettings=Object.fromEntries(Object.entries(i).map(([l,c])=>[l,{...c}])),t.extensions={...t.extensions||{},derivatives:!0},t.onBeforeCompile=l=>{const c=t.userData.cadSurfaceEdgeColor?.isColor?t.userData.cadSurfaceEdgeColor:s;t.userData.cadSurfaceEdgeShader=l,l.uniforms.cadSurfaceEdgeColor={value:c.clone()},l.uniforms.cadSurfaceFeatureColor={value:a.feature.clone()},l.uniforms.cadSurfaceTangentColor={value:a.tangent.clone()},l.uniforms.cadSurfaceSeamColor={value:a.seam.clone()},l.uniforms.cadSurfaceDegenerateColor={value:a.degenerate.clone()},l.uniforms.cadSurfaceFeatureThickness={value:i.feature.thickness},l.uniforms.cadSurfaceTangentThickness={value:i.tangent.thickness},l.uniforms.cadSurfaceSeamThickness={value:i.seam.thickness},l.uniforms.cadSurfaceDegenerateThickness={value:i.degenerate.thickness},l.uniforms.cadSurfaceFeatureOpacity={value:i.feature.opacity},l.uniforms.cadSurfaceTangentOpacity={value:i.tangent.opacity},l.uniforms.cadSurfaceSeamOpacity={value:i.seam.opacity},l.uniforms.cadSurfaceDegenerateOpacity={value:i.degenerate.opacity},l.vertexShader=l.vertexShader.replace("#include <common>",`#include <common>
attribute vec3 ${u0};
attribute vec3 ${d0};
varying vec3 vCadSurfaceEdgeBarycentric;
varying vec3 vCadSurfaceEdgeClass;`).replace("#include <begin_vertex>",`#include <begin_vertex>
vCadSurfaceEdgeBarycentric = ${u0};
vCadSurfaceEdgeClass = ${d0};`),l.fragmentShader=l.fragmentShader.replace("#include <common>",`#include <common>
uniform vec3 cadSurfaceEdgeColor;
uniform vec3 cadSurfaceFeatureColor;
uniform vec3 cadSurfaceTangentColor;
uniform vec3 cadSurfaceSeamColor;
uniform vec3 cadSurfaceDegenerateColor;
uniform float cadSurfaceFeatureThickness;
uniform float cadSurfaceTangentThickness;
uniform float cadSurfaceSeamThickness;
uniform float cadSurfaceDegenerateThickness;
uniform float cadSurfaceFeatureOpacity;
uniform float cadSurfaceTangentOpacity;
uniform float cadSurfaceSeamOpacity;
uniform float cadSurfaceDegenerateOpacity;
varying vec3 vCadSurfaceEdgeBarycentric;
varying vec3 vCadSurfaceEdgeClass;

float cadSurfaceEdgeThicknessFor(float classCode) {
  if (classCode < 0.5) {
    return 0.0;
  }
  if (abs(classCode - 2.0) < 0.5) {
    return cadSurfaceTangentThickness;
  }
  if (abs(classCode - 3.0) < 0.5) {
    return cadSurfaceSeamThickness;
  }
  if (abs(classCode - 4.0) < 0.5) {
    return cadSurfaceDegenerateThickness;
  }
  return cadSurfaceFeatureThickness;
}

float cadSurfaceEdgeOpacityFor(float classCode) {
  if (classCode < 0.5) {
    return 0.0;
  }
  if (abs(classCode - 2.0) < 0.5) {
    return cadSurfaceTangentOpacity;
  }
  if (abs(classCode - 3.0) < 0.5) {
    return cadSurfaceSeamOpacity;
  }
  if (abs(classCode - 4.0) < 0.5) {
    return cadSurfaceDegenerateOpacity;
  }
  return cadSurfaceFeatureOpacity;
}

vec3 cadSurfaceEdgeColorFor(float classCode) {
  if (classCode < 0.5) {
    return cadSurfaceEdgeColor;
  }
  if (abs(classCode - 2.0) < 0.5) {
    return cadSurfaceTangentColor;
  }
  if (abs(classCode - 3.0) < 0.5) {
    return cadSurfaceSeamColor;
  }
  if (abs(classCode - 4.0) < 0.5) {
    return cadSurfaceDegenerateColor;
  }
  return cadSurfaceFeatureColor;
}

float cadSurfaceEdgeCoverage(float barycentric, float classCode) {
  float thickness = cadSurfaceEdgeThicknessFor(classCode);
  float opacity = cadSurfaceEdgeOpacityFor(classCode);
  if (thickness <= 0.0 || opacity <= 0.0) {
    return 0.0;
  }
  float pixelDistance = barycentric / max(fwidth(barycentric), 1e-6);
  float halfWidth = max(thickness * 0.5, 0.001);
  float coverage = 1.0 - smoothstep(max(halfWidth - 0.75, 0.0), halfWidth + 0.75, pixelDistance);
  return clamp(coverage * opacity, 0.0, 1.0);
}

vec4 cadSurfaceEdgeLayerFor(float barycentric, float classCode) {
  float edgeAlpha = cadSurfaceEdgeCoverage(barycentric, classCode);
  return vec4(cadSurfaceEdgeColorFor(classCode), edgeAlpha);
}

vec4 cadSurfaceEdgeLayer() {
  vec4 edge0 = cadSurfaceEdgeLayerFor(vCadSurfaceEdgeBarycentric.x, vCadSurfaceEdgeClass.x);
  vec4 edge1 = cadSurfaceEdgeLayerFor(vCadSurfaceEdgeBarycentric.y, vCadSurfaceEdgeClass.y);
  vec4 edge2 = cadSurfaceEdgeLayerFor(vCadSurfaceEdgeBarycentric.z, vCadSurfaceEdgeClass.z);
  vec4 edge = edge0;
  if (edge1.a > edge.a) {
    edge = edge1;
  }
  if (edge2.a > edge.a) {
    edge = edge2;
  }
  return edge;
}`).replace("#include <opaque_fragment>",`vec4 cadSurfaceEdgeMix = cadSurfaceEdgeLayer();
if (cadSurfaceEdgeMix.a > 0.0) {
  outgoingLight = mix(outgoingLight, cadSurfaceEdgeMix.rgb, cadSurfaceEdgeMix.a);
}
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e.MeshBasicMaterial({color:Av(t||{},n),transparent:!0,opacity:.035,depthWrite:!1})}function LH(e,{color:t,useVertexColors:n=!1,opacity:r=1}={}){return new e.MeshBasicMaterial({color:t||zo.surface,side:e.DoubleSide,vertexColors:n,transparent:r<.999,opacity:r,depthWrite:r>=.999})}function FH(e,t,n){return Gu(e,t?.color||n?.sourceColor)}function jH(e,t=1){const n=Number(e?.opacity);return Number.isFinite(n)?Pn(n,0,1):t}function zH(e,t){const n=Array.isArray(t)?t:[],r=n.map(o=>String(o?.color||"").trim().toLowerCase()).filter(Boolean);return r.length?r.length!==n.length||new Set(r).size>1:!1}function BH(e){return(Array.isArray(e)?e:[]).some(n=>{const r=Number(n?.opacity);return Number.isFinite(r)&&Pn(r,0,1)<.999})}function VH(e){const t=new e.BufferGeometry;return t.setAttribute("position",new e.BufferAttribute(new Float32Array(0),3)),t}function 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e.BufferAttribute(new Float32Array(b),3)),i?EE(e,S,i,0,u):EE(e,S,t,c,u),hO(e,S,y,r),S.computeBoundingSphere(),{geometry:S,rawColors:b}})}function HH(e,t,n=!1){return bO(e,t,Wf,()=>{const r=new e.BufferGeometry;r.setAttribute("position",new e.BufferAttribute(new Float32Array(t.vertices||[]),3)),r.setIndex(new e.BufferAttribute(new Uint32Array(t.indices||[]),1));const o=gO(t)&&t.colors?.length===t.vertices?.length?new Float32Array(t.colors):null;return o&&r.setAttribute("color",new e.BufferAttribute(new Float32Array(o),3)),EE(e,r,t,0,Math.floor((t.vertices?.length||0)/3)),hO(e,r,t.normals,n),r.computeBoundingSphere(),{geometry:r,rawColors:o}})}function WH(e,t,n){if(!t?.geometry||!t.rawColors||!t.hasVertexColors)return;const r=TH(e,t.rawColors,n);if(!r)return;const o=t.geometry.getAttribute("color");if(o?.array?.length===r.length){o.array.set(r),o.needsUpdate=!0;return}t.geometry.setAttribute("color",new e.BufferAttribute(r,3))}function WI(e,t,n){if(!za(t,3)||!za(n,2))return null;const 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ZH(e){if(!e)return{object:null,material:null};const t=e.object||e.edgeMesh||e.mesh||e.line||null;return{object:t,material:e.material||e.edgeMaterial||t?.material||null}}function JH(e=null){if(!e||typeof e!="object")return{mode:"basic"};const t=String(e.mode||e.type||"").trim().toLowerCase();return{...e,mode:t==="screen-space"||t==="screenspace"?"screen-space":"basic",wireframeEdgeColor:String(e.wireframeEdgeColor||"").trim()}}function QH(e,t={}){e.edgeRendering=t;for(const n of["Line2","LineGeometry","LineSegments2","LineSegmentsGeometry","LineMaterial"])e[n]=t[n]||t.constructors?.[n]||null}function e6(e,t,n,r){const o=r*Pn(Vt(n?.silhouetteScale,.004),0,.04);if(!(o>0))return null;const i=new e.ShaderMaterial({uniforms:{color:{value:new e.Color(n?.color||zo.edge)},opacity:{value:Pn(Vt(n?.opacity,.9),0,1)},offset:{value:o}},vertexShader:`
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Set(Array.isArray(o)?o:[]),u=new Set(Array.isArray(a)?a:[]),f=new Set((Array.isArray(i)?i:[i]).map(I=>String(I||"").trim()).filter(Boolean)),m=r?.color||n?.edge||zo.edge,p=Number.isFinite(Number(n?.surfaceOpacity))?Number(n.surfaceOpacity):1,b=new Set(n6(s)),y=b.size>0,x=Number.isFinite(Number(r?.opacity))?Pn(Number(r.opacity),0,1):n?.edgeOpacity??zo.edgeOpacity??jv,S=Number.isFinite(Number(r?.highlightOpacity))?Pn(Number(r.highlightOpacity),0,1):1,E=String(r?.highlightColor||VI).trim()||VI,C=String(r?.hoverColor||BI).trim()||BI,A=new e.Color(C),N=new e.Color(C),w=new e.Color(E),_=new e.Color(E);for(const I of Array.isArray(t)?t:[]){if(!I?.mesh||!I?.material)continue;const R=I.effectStyle&&typeof 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R=0;R<3;R++)I[R]=1/0,I[R+3]=-1/0,_[R]=1/0,_[R+3]=-1/0,w[R]=1/0,w[R+3]=-1/0;xy(A,n,w)}S.sort(eK);let C=o;for(let A=0;A<C;A++){const N=S[A];for(;A+1<C&&S[A+1].candidate===N.candidate;)S.splice(A+1,1),C--}for(let A=u;A<f;A+=6){const N=n[A+2*m];for(let w=0;w<C;w++){const _=S[w];N>=_.candidate?xy(A,n,_.rightCacheBounds):(xy(A,n,_.leftCacheBounds),_.count++)}}for(let A=0;A<C;A++){const N=S[A],w=N.count,_=o-N.count,I=N.leftCacheBounds,R=N.rightCacheBounds;let O=0;w!==0&&(O=lp(I)/l);let F=0;_!==0&&(F=lp(R)/l);const V=FN+_S*(O*w+F*_);V<c&&(s=m,c=V,a=N.candidate)}}else{for(let C=0;C<hl;C++){const A=cc[C];A.count=0,A.candidate=p+x+C*x;const N=A.bounds;for(let w=0;w<3;w++)N[w]=1/0,N[w+3]=-1/0}for(let C=u;C<f;C+=6){let w=~~((n[C+2*m]-p)/x);w>=hl&&(w=hl-1);const _=cc[w];_.count++,xy(C,n,_.bounds)}const S=cc[hl-1];zN(S.bounds,S.rightCacheBounds);for(let C=hl-2;C>=0;C--){const A=cc[C],N=cc[C+1];BN(A.bounds,N.rightCacheBounds,A.rightCacheBounds)}let E=0;for(let C=0;C<hl-1;C++){const A=cc[C],N=A.count,w=A.bounds,I=cc[C+1].rightCacheBounds;N!==0&&(E===0?zN(w,Sy):BN(w,Sy,Sy)),E+=N;let R=0,O=0;E!==0&&(R=lp(Sy)/l);const F=o-E;F!==0&&(O=lp(I)/l);const V=FN+_S*(R*E+O*F);V<c&&(s=m,c=V,a=A.candidate)}}}}else console.warn(`MeshBVH: Invalid build strategy value ${i} used.`);return{axis:s,pos:a}}function nK(e,t,n,r){let o=0;for(let i=t,s=t+n;i<s;i++)o+=e[i*6+r*2];return o/n}class OS{constructor(){this.boundingData=new Float32Array(6)}}function rK(e,t,n,r,o,i){let s=r,a=r+o-1;const l=i.pos,c=i.axis*2;for(;;){for(;s<=a&&n[s*6+c]<l;)s++;for(;s<=a&&n[a*6+c]>=l;)a--;if(s<a){for(let u=0;u<3;u++){let f=t[s*3+u];t[s*3+u]=t[a*3+u],t[a*3+u]=f}for(let u=0;u<6;u++){let f=n[s*6+u];n[s*6+u]=n[a*6+u],n[a*6+u]=f}s++,a--}else return s}}function oK(e,t,n,r,o,i){let s=r,a=r+o-1;const l=i.pos,c=i.axis*2;for(;;){for(;s<=a&&n[s*6+c]<l;)s++;for(;s<=a&&n[a*6+c]>=l;)a--;if(s<a){let u=e[s];e[s]=e[a],e[a]=u;for(let f=0;f<6;f++){let m=n[s*6+f];n[s*6+f]=n[a*6+f],n[a*6+f]=m}s++,a--}else return s}}function Gi(e,t){return t[e+15]===65535}function cs(e,t){return t[e+6]}function Bs(e,t){return t[e+14]}function Vs(e){return e+8}function $s(e,t){return t[e+6]}function ok(e,t){return t[e+7]}let ik,$p,vb,sk;const iK=Math.pow(2,32);function PE(e){return"count"in e?1:1+PE(e.left)+PE(e.right)}function sK(e,t,n){return ik=new Float32Array(n),$p=new Uint32Array(n),vb=new Uint16Array(n),sk=new Uint8Array(n),OE(e,t)}function OE(e,t){const n=e/4,r=e/2,o="count"in t,i=t.boundingData;for(let s=0;s<6;s++)ik[n+s]=i[s];if(o)if(t.buffer){const s=t.buffer;sk.set(new Uint8Array(s),e);for(let a=e,l=e+s.byteLength;a<l;a+=lh){const c=a/2;Gi(c,vb)||($p[a/4+6]+=n)}return e+s.byteLength}else{const s=t.offset,a=t.count;return $p[n+6]=s,vb[r+14]=a,vb[r+15]=ix,e+lh}else{const s=t.left,a=t.right,l=t.splitAxis;let c;if(c=OE(e+lh,s),c/4>iK)throw new Error("MeshBVH: Cannot store child pointer greater than 32 bits.");return $p[n+6]=c/4,c=OE(c,a),$p[n+7]=l,c}}function aK(e,t){const n=(e.index?e.index.count:e.attributes.position.count)/3,r=n>2**16,o=r?4:2,i=t?new SharedArrayBuffer(n*o):new ArrayBuffer(n*o),s=r?new Uint32Array(i):new Uint16Array(i);for(let a=0,l=s.length;a<l;a++)s[a]=a;return s}function lK(e,t,n,r,o){const{maxDepth:i,verbose:s,maxLeafTris:a,strategy:l,onProgress:c,indirect:u}=o,f=e._indirectBuffer,m=e.geometry,p=m.index?m.index.array:null,b=u?oK:rK,y=ym(m),x=new Float32Array(6);let S=!1;const E=new OS;return PS(t,n,r,E.boundingData,x),A(E,n,r,x),E;function C(N){c&&c(N/y)}function A(N,w,_,I=null,R=0){if(!S&&R>=i&&(S=!0,s&&(console.warn(`MeshBVH: Max depth of ${i} reached when generating BVH. Consider increasing maxDepth.`),console.warn(m))),_<=a||R>=i)return C(w+_),N.offset=w,N.count=_,N;const O=tK(N.boundingData,I,t,w,_,l);if(O.axis===-1)return C(w+_),N.offset=w,N.count=_,N;const F=b(f,p,t,w,_,O);if(F===w||F===w+_)C(w+_),N.offset=w,N.count=_;else{N.splitAxis=O.axis;const V=new OS,$=w,K=F-w;N.left=V,PS(t,$,K,V.boundingData,x),A(V,$,K,x,R+1);const U=new OS,Y=F,D=_-K;N.right=U,PS(t,Y,D,U.boundingData,x),A(U,Y,D,x,R+1)}return N}}function cK(e,t){const n=e.geometry;t.indirect&&(e._indirectBuffer=aK(n,t.useSharedArrayBuffer),J9(n,t.range)&&!t.verbose&&console.warn('MeshBVH: Provided geometry contains groups or a range that do not fully span the vertex contents while using the "indirect" option. BVH may incorrectly report intersections on unrendered portions of the geometry.')),e._indirectBuffer||Z9(n,t);const r=t.useSharedArrayBuffer?SharedArrayBuffer:ArrayBuffer,o=Q9(n),i=t.indirect?nk(n,t.range):rk(n,t.range);e._roots=i.map(s=>{const a=lK(e,o,s.offset,s.count,t),l=PE(a),c=new r(lh*l);return sK(0,a,c),c})}class Ol{constructor(){this.min=1/0,this.max=-1/0}setFromPointsField(t,n){let r=1/0,o=-1/0;for(let i=0,s=t.length;i<s;i++){const l=t[i][n];r=l<r?l:r,o=l>o?l:o}this.min=r,this.max=o}setFromPoints(t,n){let r=1/0,o=-1/0;for(let i=0,s=n.length;i<s;i++){const a=n[i],l=t.dot(a);r=l<r?l:r,o=l>o?l:o}this.min=r,this.max=o}isSeparated(t){return this.min>t.max||t.min>this.max}}Ol.prototype.setFromBox=(function(){const e=new Ue;return function(n,r){const o=r.min,i=r.max;let s=1/0,a=-1/0;for(let l=0;l<=1;l++)for(let c=0;c<=1;c++)for(let u=0;u<=1;u++){e.x=o.x*l+i.x*(1-l),e.y=o.y*c+i.y*(1-c),e.z=o.z*u+i.z*(1-u);const f=n.dot(e);s=Math.min(f,s),a=Math.max(f,a)}this.min=s,this.max=a}})();const uK=(function(){const e=new Ue,t=new Ue,n=new Ue;return function(o,i,s){const a=o.start,l=e,c=i.start,u=t;n.subVectors(a,c),e.subVectors(o.end,o.start),t.subVectors(i.end,i.start);const f=n.dot(u),m=u.dot(l),p=u.dot(u),b=n.dot(l),x=l.dot(l)*p-m*m;let S,E;x!==0?S=(f*m-b*p)/x:S=0,E=(f+S*m)/p,s.x=S,s.y=E}})(),Jv=(function(){const e=new Rl,t=new Ue,n=new Ue;return function(o,i,s,a){uK(o,i,e);let l=e.x,c=e.y;if(l>=0&&l<=1&&c>=0&&c<=1){o.at(l,s),i.at(c,a);return}else if(l>=0&&l<=1){c<0?i.at(0,a):i.at(1,a),o.closestPointToPoint(a,!0,s);return}else if(c>=0&&c<=1){l<0?o.at(0,s):o.at(1,s),i.closestPointToPoint(s,!0,a);return}else{let u;l<0?u=o.start:u=o.end;let f;c<0?f=i.start:f=i.end;const m=t,p=n;if(o.closestPointToPoint(f,!0,t),i.closestPointToPoint(u,!0,n),m.distanceToSquared(f)<=p.distanceToSquared(u)){s.copy(m),a.copy(f);return}else{s.copy(u),a.copy(p);return}}}})(),dK=(function(){const e=new Ue,t=new Ue,n=new w2,r=new Il;return function(i,s){const{radius:a,center:l}=i,{a:c,b:u,c:f}=s;if(r.start=c,r.end=u,r.closestPointToPoint(l,!0,e).distanceTo(l)<=a||(r.start=c,r.end=f,r.closestPointToPoint(l,!0,e).distanceTo(l)<=a)||(r.start=u,r.end=f,r.closestPointToPoint(l,!0,e).distanceTo(l)<=a))return!0;const y=s.getPlane(n);if(Math.abs(y.distanceToPoint(l))<=a){const S=y.projectPoint(l,t);if(s.containsPoint(S))return!0}return!1}})(),fK=1e-15;function kS(e){return Math.abs(e)<fK}class pa extends _p{constructor(...t){super(...t),this.isExtendedTriangle=!0,this.satAxes=new Array(4).fill().map(()=>new Ue),this.satBounds=new Array(4).fill().map(()=>new Ol),this.points=[this.a,this.b,this.c],this.sphere=new v2,this.plane=new w2,this.needsUpdate=!0}intersectsSphere(t){return dK(t,this)}update(){const t=this.a,n=this.b,r=this.c,o=this.points,i=this.satAxes,s=this.satBounds,a=i[0],l=s[0];this.getNormal(a),l.setFromPoints(a,o);const c=i[1],u=s[1];c.subVectors(t,n),u.setFromPoints(c,o);const f=i[2],m=s[2];f.subVectors(n,r),m.setFromPoints(f,o);const p=i[3],b=s[3];p.subVectors(r,t),b.setFromPoints(p,o),this.sphere.setFromPoints(this.points),this.plane.setFromNormalAndCoplanarPoint(a,t),this.needsUpdate=!1}}pa.prototype.closestPointToSegment=(function(){const e=new Ue,t=new Ue,n=new Il;return function(o,i=null,s=null){const{start:a,end:l}=o,c=this.points;let u,f=1/0;for(let m=0;m<3;m++){const p=(m+1)%3;n.start.copy(c[m]),n.end.copy(c[p]),Jv(n,o,e,t),u=e.distanceToSquared(t),u<f&&(f=u,i&&i.copy(e),s&&s.copy(t))}return this.closestPointToPoint(a,e),u=a.distanceToSquared(e),u<f&&(f=u,i&&i.copy(e),s&&s.copy(a)),this.closestPointToPoint(l,e),u=l.distanceToSquared(e),u<f&&(f=u,i&&i.copy(e),s&&s.copy(l)),Math.sqrt(f)}})();pa.prototype.intersectsTriangle=(function(){const e=new pa,t=new Array(3),n=new Array(3),r=new Ol,o=new Ol,i=new Ue,s=new Ue,a=new Ue,l=new Ue,c=new Ue,u=new Il,f=new Il,m=new Il,p=new Ue;function b(y,x,S){const E=y.points;let C=0,A=-1;for(let N=0;N<3;N++){const{start:w,end:_}=u;w.copy(E[N]),_.copy(E[(N+1)%3]),u.delta(s);const I=kS(x.distanceToPoint(w));if(kS(x.normal.dot(s))&&I){S.copy(u),C=2;break}const R=x.intersectLine(u,p);if(!R&&I&&p.copy(w),(R||I)&&!kS(p.distanceTo(_))){if(C<=1)(C===1?S.start:S.end).copy(p),I&&(A=C);else if(C>=2){(A===1?S.start:S.end).copy(p),C=2;break}if(C++,C===2&&A===-1)break}}return C}return function(x,S=null,E=!1){this.needsUpdate&&this.update(),x.isExtendedTriangle?x.needsUpdate&&x.update():(e.copy(x),e.update(),x=e);const C=this.plane,A=x.plane;if(Math.abs(C.normal.dot(A.normal))>1-1e-10){const N=this.satBounds,w=this.satAxes;n[0]=x.a,n[1]=x.b,n[2]=x.c;for(let R=0;R<4;R++){const O=N[R],F=w[R];if(r.setFromPoints(F,n),O.isSeparated(r))return!1}const _=x.satBounds,I=x.satAxes;t[0]=this.a,t[1]=this.b,t[2]=this.c;for(let R=0;R<4;R++){const O=_[R],F=I[R];if(r.setFromPoints(F,t),O.isSeparated(r))return!1}for(let R=0;R<4;R++){const O=w[R];for(let F=0;F<4;F++){const V=I[F];if(i.crossVectors(O,V),r.setFromPoints(i,t),o.setFromPoints(i,n),r.isSeparated(o))return!1}}return S&&(E||console.warn("ExtendedTriangle.intersectsTriangle: Triangles are coplanar which does not support an output edge. Setting edge to 0, 0, 0."),S.start.set(0,0,0),S.end.set(0,0,0)),!0}else{const N=b(this,A,f);if(N===1&&x.containsPoint(f.end))return S&&(S.start.copy(f.end),S.end.copy(f.end)),!0;if(N!==2)return!1;const w=b(x,C,m);if(w===1&&this.containsPoint(m.end))return S&&(S.start.copy(m.end),S.end.copy(m.end)),!0;if(w!==2)return!1;if(f.delta(a),m.delta(l),a.dot(l)<0){let $=m.start;m.start=m.end,m.end=$}const _=f.start.dot(a),I=f.end.dot(a),R=m.start.dot(a),O=m.end.dot(a),F=I<R,V=_<O;return _!==O&&R!==I&&F===V?!1:(S&&(c.subVectors(f.start,m.start),c.dot(a)>0?S.start.copy(f.start):S.start.copy(m.start),c.subVectors(f.end,m.end),c.dot(a)<0?S.end.copy(f.end):S.end.copy(m.end)),!0)}}})();pa.prototype.distanceToPoint=(function(){const e=new Ue;return function(n){return this.closestPointToPoint(n,e),n.distanceTo(e)}})();pa.prototype.distanceToTriangle=(function(){const e=new Ue,t=new Ue,n=["a","b","c"],r=new Il,o=new Il;return function(s,a=null,l=null){const c=a||l?r:null;if(this.intersectsTriangle(s,c))return(a||l)&&(a&&c.getCenter(a),l&&c.getCenter(l)),0;let u=1/0;for(let f=0;f<3;f++){let m;const p=n[f],b=s[p];this.closestPointToPoint(b,e),m=b.distanceToSquared(e),m<u&&(u=m,a&&a.copy(e),l&&l.copy(b));const y=this[p];s.closestPointToPoint(y,e),m=y.distanceToSquared(e),m<u&&(u=m,a&&a.copy(y),l&&l.copy(e))}for(let f=0;f<3;f++){const m=n[f],p=n[(f+1)%3];r.set(this[m],this[p]);for(let b=0;b<3;b++){const y=n[b],x=n[(b+1)%3];o.set(s[y],s[x]),Jv(r,o,e,t);const S=e.distanceToSquared(t);S<u&&(u=S,a&&a.copy(e),l&&l.copy(t))}}return Math.sqrt(u)}})();class ki{constructor(t,n,r){this.isOrientedBox=!0,this.min=new Ue,this.max=new Ue,this.matrix=new $r,this.invMatrix=new $r,this.points=new Array(8).fill().map(()=>new Ue),this.satAxes=new Array(3).fill().map(()=>new Ue),this.satBounds=new Array(3).fill().map(()=>new Ol),this.alignedSatBounds=new Array(3).fill().map(()=>new Ol),this.needsUpdate=!1,t&&this.min.copy(t),n&&this.max.copy(n),r&&this.matrix.copy(r)}set(t,n,r){this.min.copy(t),this.max.copy(n),this.matrix.copy(r),this.needsUpdate=!0}copy(t){this.min.copy(t.min),this.max.copy(t.max),this.matrix.copy(t.matrix),this.needsUpdate=!0}}ki.prototype.update=(function(){return function(){const t=this.matrix,n=this.min,r=this.max,o=this.points;for(let c=0;c<=1;c++)for(let u=0;u<=1;u++)for(let f=0;f<=1;f++){const m=1*c|2*u|4*f,p=o[m];p.x=c?r.x:n.x,p.y=u?r.y:n.y,p.z=f?r.z:n.z,p.applyMatrix4(t)}const i=this.satBounds,s=this.satAxes,a=o[0];for(let c=0;c<3;c++){const u=s[c],f=i[c],m=1<<c,p=o[m];u.subVectors(a,p),f.setFromPoints(u,o)}const l=this.alignedSatBounds;l[0].setFromPointsField(o,"x"),l[1].setFromPointsField(o,"y"),l[2].setFromPointsField(o,"z"),this.invMatrix.copy(this.matrix).invert(),this.needsUpdate=!1}})();ki.prototype.intersectsBox=(function(){const e=new Ol;return function(n){this.needsUpdate&&this.update();const r=n.min,o=n.max,i=this.satBounds,s=this.satAxes,a=this.alignedSatBounds;if(e.min=r.x,e.max=o.x,a[0].isSeparated(e)||(e.min=r.y,e.max=o.y,a[1].isSeparated(e))||(e.min=r.z,e.max=o.z,a[2].isSeparated(e)))return!1;for(let l=0;l<3;l++){const c=s[l],u=i[l];if(e.setFromBox(c,n),u.isSeparated(e))return!1}return!0}})();ki.prototype.intersectsTriangle=(function(){const e=new pa,t=new Array(3),n=new Ol,r=new Ol,o=new Ue;return function(s){this.needsUpdate&&this.update(),s.isExtendedTriangle?s.needsUpdate&&s.update():(e.copy(s),e.update(),s=e);const a=this.satBounds,l=this.satAxes;t[0]=s.a,t[1]=s.b,t[2]=s.c;for(let m=0;m<3;m++){const p=a[m],b=l[m];if(n.setFromPoints(b,t),p.isSeparated(n))return!1}const c=s.satBounds,u=s.satAxes,f=this.points;for(let m=0;m<3;m++){const p=c[m],b=u[m];if(n.setFromPoints(b,f),p.isSeparated(n))return!1}for(let m=0;m<3;m++){const p=l[m];for(let b=0;b<4;b++){const y=u[b];if(o.crossVectors(p,y),n.setFromPoints(o,t),r.setFromPoints(o,f),n.isSeparated(r))return!1}}return!0}})();ki.prototype.closestPointToPoint=(function(){return function(t,n){return this.needsUpdate&&this.update(),n.copy(t).applyMatrix4(this.invMatrix).clamp(this.min,this.max).applyMatrix4(this.matrix),n}})();ki.prototype.distanceToPoint=(function(){const e=new Ue;return function(n){return this.closestPointToPoint(n,e),n.distanceTo(e)}})();ki.prototype.distanceToBox=(function(){const e=["x","y","z"],t=new Array(12).fill().map(()=>new Il),n=new Array(12).fill().map(()=>new Il),r=new Ue,o=new Ue;return function(s,a=0,l=null,c=null){if(this.needsUpdate&&this.update(),this.intersectsBox(s))return(l||c)&&(s.getCenter(o),this.closestPointToPoint(o,r),s.closestPointToPoint(r,o),l&&l.copy(r),c&&c.copy(o)),0;const u=a*a,f=s.min,m=s.max,p=this.points;let b=1/0;for(let x=0;x<8;x++){const S=p[x];o.copy(S).clamp(f,m);const E=S.distanceToSquared(o);if(E<b&&(b=E,l&&l.copy(S),c&&c.copy(o),E<u))return Math.sqrt(E)}let y=0;for(let x=0;x<3;x++)for(let S=0;S<=1;S++)for(let E=0;E<=1;E++){const C=(x+1)%3,A=(x+2)%3,N=S<<C|E<<A,w=1<<x|S<<C|E<<A,_=p[N],I=p[w];t[y].set(_,I);const O=e[x],F=e[C],V=e[A],$=n[y],K=$.start,U=$.end;K[O]=f[O],K[F]=S?f[F]:m[F],K[V]=E?f[V]:m[F],U[O]=m[O],U[F]=S?f[F]:m[F],U[V]=E?f[V]:m[F],y++}for(let x=0;x<=1;x++)for(let S=0;S<=1;S++)for(let E=0;E<=1;E++){o.x=x?m.x:f.x,o.y=S?m.y:f.y,o.z=E?m.z:f.z,this.closestPointToPoint(o,r);const C=o.distanceToSquared(r);if(C<b&&(b=C,l&&l.copy(r),c&&c.copy(o),C<u))return Math.sqrt(C)}for(let x=0;x<12;x++){const S=t[x];for(let E=0;E<12;E++){const C=n[E];Jv(S,C,r,o);const A=r.distanceToSquared(o);if(A<b&&(b=A,l&&l.copy(r),c&&c.copy(o),A<u))return Math.sqrt(A)}}return Math.sqrt(b)}})();class Qv{constructor(t){this._getNewPrimitive=t,this._primitives=[]}getPrimitive(){const t=this._primitives;return t.length===0?this._getNewPrimitive():t.pop()}releasePrimitive(t){this._primitives.push(t)}}class mK extends Qv{constructor(){super(()=>new pa)}}const Gs=new mK;class pK{constructor(){this.float32Array=null,this.uint16Array=null,this.uint32Array=null;const t=[];let n=null;this.setBuffer=r=>{n&&t.push(n),n=r,this.float32Array=new Float32Array(r),this.uint16Array=new Uint16Array(r),this.uint32Array=new Uint32Array(r)},this.clearBuffer=()=>{n=null,this.float32Array=null,this.uint16Array=null,this.uint32Array=null,t.length!==0&&this.setBuffer(t.pop())}}}const _r=new pK;let Tc,Cf;const Wd=[],Ey=new Qv(()=>new Ha);function hK(e,t,n,r,o,i){Tc=Ey.getPrimitive(),Cf=Ey.getPrimitive(),Wd.push(Tc,Cf),_r.setBuffer(e._roots[t]);const s=kE(0,e.geometry,n,r,o,i);_r.clearBuffer(),Ey.releasePrimitive(Tc),Ey.releasePrimitive(Cf),Wd.pop(),Wd.pop();const a=Wd.length;return a>0&&(Cf=Wd[a-1],Tc=Wd[a-2]),s}function kE(e,t,n,r,o=null,i=0,s=0){const{float32Array:a,uint16Array:l,uint32Array:c}=_r;let u=e*2;if(Gi(u,l)){const m=cs(e,c),p=Bs(u,l);return so(e,a,Tc),r(m,p,!1,s,i+e,Tc)}else{let m=function(V){const{uint16Array:$,uint32Array:K}=_r;let U=V*2;for(;!Gi(U,$);)V=Vs(V),U=V*2;return cs(V,K)},p=function(V){const{uint16Array:$,uint32Array:K}=_r;let U=V*2;for(;!Gi(U,$);)V=$s(V,K),U=V*2;return cs(V,K)+Bs(U,$)};const b=Vs(e),y=$s(e,c);let x=b,S=y,E,C,A,N;if(o&&(A=Tc,N=Cf,so(x,a,A),so(S,a,N),E=o(A),C=o(N),C<E)){x=y,S=b;const V=E;E=C,C=V,A=N}A||(A=Tc,so(x,a,A));const w=Gi(x*2,l),_=n(A,w,E,s+1,i+x);let I;if(_===LN){const V=m(x),K=p(x)-V;I=r(V,K,!0,s+1,i+x,A)}else I=_&&kE(x,t,n,r,o,i,s+1);if(I)return!0;N=Cf,so(S,a,N);const R=Gi(S*2,l),O=n(N,R,C,s+1,i+S);let F;if(O===LN){const V=m(S),K=p(S)-V;F=r(V,K,!0,s+1,i+S,N)}else F=O&&kE(S,t,n,r,o,i,s+1);return!!F}}const cp=new Ue,DS=new Ue;function gK(e,t,n={},r=0,o=1/0){const i=r*r,s=o*o;let a=1/0,l=null;if(e.shapecast({boundsTraverseOrder:u=>(cp.copy(t).clamp(u.min,u.max),cp.distanceToSquared(t)),intersectsBounds:(u,f,m)=>m<a&&m<s,intersectsTriangle:(u,f)=>{u.closestPointToPoint(t,cp);const m=t.distanceToSquared(cp);return m<a&&(DS.copy(cp),a=m,l=f),m<i}}),a===1/0)return null;const c=Math.sqrt(a);return n.point?n.point.copy(DS):n.point=DS.clone(),n.distance=c,n.faceIndex=l,n}const Kd=new Ue,qd=new Ue,Yd=new Ue,wy=new Rl,vy=new Rl,Ay=new Rl,VN=new Ue,$N=new Ue,GN=new Ue,Cy=new Ue;function yK(e,t,n,r,o,i,s,a){let l;if(i===L5?l=e.intersectTriangle(r,n,t,!0,o):l=e.intersectTriangle(t,n,r,i!==A2,o),l===null)return null;const c=e.origin.distanceTo(o);return c<s||c>a?null:{distance:c,point:o.clone()}}function bK(e,t,n,r,o,i,s,a,l,c,u){Kd.fromBufferAttribute(t,i),qd.fromBufferAttribute(t,s),Yd.fromBufferAttribute(t,a);const f=yK(e,Kd,qd,Yd,Cy,l,c,u);if(f){r&&(wy.fromBufferAttribute(r,i),vy.fromBufferAttribute(r,s),Ay.fromBufferAttribute(r,a),f.uv=_p.getInterpolation(Cy,Kd,qd,Yd,wy,vy,Ay,new Rl)),o&&(wy.fromBufferAttribute(o,i),vy.fromBufferAttribute(o,s),Ay.fromBufferAttribute(o,a),f.uv1=_p.getInterpolation(Cy,Kd,qd,Yd,wy,vy,Ay,new Rl)),n&&(VN.fromBufferAttribute(n,i),$N.fromBufferAttribute(n,s),GN.fromBufferAttribute(n,a),f.normal=_p.getInterpolation(Cy,Kd,qd,Yd,VN,$N,GN,new Ue),f.normal.dot(e.direction)>0&&f.normal.multiplyScalar(-1));const m={a:i,b:s,c:a,normal:new Ue,materialIndex:0};_p.getNormal(Kd,qd,Yd,m.normal),f.face=m,f.faceIndex=i}return f}function sx(e,t,n,r,o,i,s){const a=r*3;let l=a+0,c=a+1,u=a+2;const f=e.index;e.index&&(l=f.getX(l),c=f.getX(c),u=f.getX(u));const{position:m,normal:p,uv:b,uv1:y}=e.attributes,x=bK(n,m,p,b,y,l,c,u,t,i,s);return x?(x.faceIndex=r,o&&o.push(x),x):null}function To(e,t,n,r){const o=e.a,i=e.b,s=e.c;let a=t,l=t+1,c=t+2;n&&(a=n.getX(a),l=n.getX(l),c=n.getX(c)),o.x=r.getX(a),o.y=r.getY(a),o.z=r.getZ(a),i.x=r.getX(l),i.y=r.getY(l),i.z=r.getZ(l),s.x=r.getX(c),s.y=r.getY(c),s.z=r.getZ(c)}function xK(e,t,n,r,o,i,s,a){const{geometry:l,_indirectBuffer:c}=e;for(let u=r,f=r+o;u<f;u++)sx(l,t,n,u,i,s,a)}function SK(e,t,n,r,o,i,s){const{geometry:a,_indirectBuffer:l}=e;let c=1/0,u=null;for(let f=r,m=r+o;f<m;f++){let p;p=sx(a,t,n,f,null,i,s),p&&p.distance<c&&(u=p,c=p.distance)}return u}function EK(e,t,n,r,o,i,s){const{geometry:a}=n,{index:l}=a,c=a.attributes.position;for(let u=e,f=t+e;u<f;u++){let m;if(m=u,To(s,m*3,l,c),s.needsUpdate=!0,r(s,m,o,i))return!0}return!1}function wK(e,t=null){t&&Array.isArray(t)&&(t=new Set(t));const n=e.geometry,r=n.index?n.index.array:null,o=n.attributes.position;let i,s,a,l,c=0;const u=e._roots;for(let m=0,p=u.length;m<p;m++)i=u[m],s=new Uint32Array(i),a=new Uint16Array(i),l=new Float32Array(i),f(0,c),c+=i.byteLength;function f(m,p,b=!1){const y=m*2;if(a[y+15]===ix){const S=s[m+6],E=a[y+14];let C=1/0,A=1/0,N=1/0,w=-1/0,_=-1/0,I=-1/0;for(let R=3*S,O=3*(S+E);R<O;R++){let F=r[R];const V=o.getX(F),$=o.getY(F),K=o.getZ(F);V<C&&(C=V),V>w&&(w=V),$<A&&(A=$),$>_&&(_=$),K<N&&(N=K),K>I&&(I=K)}return l[m+0]!==C||l[m+1]!==A||l[m+2]!==N||l[m+3]!==w||l[m+4]!==_||l[m+5]!==I?(l[m+0]=C,l[m+1]=A,l[m+2]=N,l[m+3]=w,l[m+4]=_,l[m+5]=I,!0):!1}else{const S=m+8,E=s[m+6],C=S+p,A=E+p;let N=b,w=!1,_=!1;t?N||(w=t.has(C),_=t.has(A),N=!w&&!_):(w=!0,_=!0);const I=N||w,R=N||_;let O=!1;I&&(O=f(S,p,N));let F=!1;R&&(F=f(E,p,N));const V=O||F;if(V)for(let $=0;$<3;$++){const K=S+$,U=E+$,Y=l[K],D=l[K+3],j=l[U],ee=l[U+3];l[m+$]=Y<j?Y:j,l[m+$+3]=D>ee?D:ee}return V}}}function Gc(e,t,n,r,o){let i,s,a,l,c,u;const f=1/n.direction.x,m=1/n.direction.y,p=1/n.direction.z,b=n.origin.x,y=n.origin.y,x=n.origin.z;let S=t[e],E=t[e+3],C=t[e+1],A=t[e+3+1],N=t[e+2],w=t[e+3+2];return f>=0?(i=(S-b)*f,s=(E-b)*f):(i=(E-b)*f,s=(S-b)*f),m>=0?(a=(C-y)*m,l=(A-y)*m):(a=(A-y)*m,l=(C-y)*m),i>l||a>s||((a>i||isNaN(i))&&(i=a),(l<s||isNaN(s))&&(s=l),p>=0?(c=(N-x)*p,u=(w-x)*p):(c=(w-x)*p,u=(N-x)*p),i>u||c>s)?!1:((c>i||i!==i)&&(i=c),(u<s||s!==s)&&(s=u),i<=o&&s>=r)}function vK(e,t,n,r,o,i,s,a){const{geometry:l,_indirectBuffer:c}=e;for(let u=r,f=r+o;u<f;u++){let m=c?c[u]:u;sx(l,t,n,m,i,s,a)}}function AK(e,t,n,r,o,i,s){const{geometry:a,_indirectBuffer:l}=e;let c=1/0,u=null;for(let f=r,m=r+o;f<m;f++){let p;p=sx(a,t,n,l?l[f]:f,null,i,s),p&&p.distance<c&&(u=p,c=p.distance)}return u}function CK(e,t,n,r,o,i,s){const{geometry:a}=n,{index:l}=a,c=a.attributes.position;for(let u=e,f=t+e;u<f;u++){let m;if(m=n.resolveTriangleIndex(u),To(s,m*3,l,c),s.needsUpdate=!0,r(s,m,o,i))return!0}return!1}function MK(e,t,n,r,o,i,s){_r.setBuffer(e._roots[t]),DE(0,e,n,r,o,i,s),_r.clearBuffer()}function DE(e,t,n,r,o,i,s){const{float32Array:a,uint16Array:l,uint32Array:c}=_r,u=e*2;if(Gi(u,l)){const m=cs(e,c),p=Bs(u,l);xK(t,n,r,m,p,o,i,s)}else{const m=Vs(e);Gc(m,a,r,i,s)&&DE(m,t,n,r,o,i,s);const p=$s(e,c);Gc(p,a,r,i,s)&&DE(p,t,n,r,o,i,s)}}const IK=["x","y","z"];function NK(e,t,n,r,o,i){_r.setBuffer(e._roots[t]);const s=LE(0,e,n,r,o,i);return _r.clearBuffer(),s}function LE(e,t,n,r,o,i){const{float32Array:s,uint16Array:a,uint32Array:l}=_r;let c=e*2;if(Gi(c,a)){const f=cs(e,l),m=Bs(c,a);return SK(t,n,r,f,m,o,i)}else{const f=ok(e,l),m=IK[f],b=r.direction[m]>=0;let y,x;b?(y=Vs(e),x=$s(e,l)):(y=$s(e,l),x=Vs(e));const E=Gc(y,s,r,o,i)?LE(y,t,n,r,o,i):null;if(E){const N=E.point[m];if(b?N<=s[x+f]:N>=s[x+f+3])return E}const A=Gc(x,s,r,o,i)?LE(x,t,n,r,o,i):null;return E&&A?E.distance<=A.distance?E:A:E||A||null}}const My=new Ha,Xd=new pa,Zd=new pa,up=new $r,UN=new ki,Iy=new ki;function TK(e,t,n,r){_r.setBuffer(e._roots[t]);const o=FE(0,e,n,r);return _r.clearBuffer(),o}function FE(e,t,n,r,o=null){const{float32Array:i,uint16Array:s,uint32Array:a}=_r;let l=e*2;if(o===null&&(n.boundingBox||n.computeBoundingBox(),UN.set(n.boundingBox.min,n.boundingBox.max,r),o=UN),Gi(l,s)){const u=t.geometry,f=u.index,m=u.attributes.position,p=n.index,b=n.attributes.position,y=cs(e,a),x=Bs(l,s);if(up.copy(r).invert(),n.boundsTree)return so(e,i,Iy),Iy.matrix.copy(up),Iy.needsUpdate=!0,n.boundsTree.shapecast({intersectsBounds:E=>Iy.intersectsBox(E),intersectsTriangle:E=>{E.a.applyMatrix4(r),E.b.applyMatrix4(r),E.c.applyMatrix4(r),E.needsUpdate=!0;for(let C=y*3,A=(x+y)*3;C<A;C+=3)if(To(Zd,C,f,m),Zd.needsUpdate=!0,E.intersectsTriangle(Zd))return!0;return!1}});for(let S=y*3,E=(x+y)*3;S<E;S+=3){To(Xd,S,f,m),Xd.a.applyMatrix4(up),Xd.b.applyMatrix4(up),Xd.c.applyMatrix4(up),Xd.needsUpdate=!0;for(let C=0,A=p.count;C<A;C+=3)if(To(Zd,C,p,b),Zd.needsUpdate=!0,Xd.intersectsTriangle(Zd))return!0}}else{const u=e+8,f=a[e+6];return so(u,i,My),!!(o.intersectsBox(My)&&FE(u,t,n,r,o)||(so(f,i,My),o.intersectsBox(My)&&FE(f,t,n,r,o)))}}const Ny=new $r,LS=new ki,dp=new ki,_K=new Ue,RK=new Ue,PK=new Ue,OK=new Ue;function kK(e,t,n,r={},o={},i=0,s=1/0){t.boundingBox||t.computeBoundingBox(),LS.set(t.boundingBox.min,t.boundingBox.max,n),LS.needsUpdate=!0;const a=e.geometry,l=a.attributes.position,c=a.index,u=t.attributes.position,f=t.index,m=Gs.getPrimitive(),p=Gs.getPrimitive();let b=_K,y=RK,x=null,S=null;o&&(x=PK,S=OK);let E=1/0,C=null,A=null;return Ny.copy(n).invert(),dp.matrix.copy(Ny),e.shapecast({boundsTraverseOrder:N=>LS.distanceToBox(N),intersectsBounds:(N,w,_)=>_<E&&_<s?(w&&(dp.min.copy(N.min),dp.max.copy(N.max),dp.needsUpdate=!0),!0):!1,intersectsRange:(N,w)=>{if(t.boundsTree)return t.boundsTree.shapecast({boundsTraverseOrder:I=>dp.distanceToBox(I),intersectsBounds:(I,R,O)=>O<E&&O<s,intersectsRange:(I,R)=>{for(let O=I,F=I+R;O<F;O++){To(p,3*O,f,u),p.a.applyMatrix4(n),p.b.applyMatrix4(n),p.c.applyMatrix4(n),p.needsUpdate=!0;for(let V=N,$=N+w;V<$;V++){To(m,3*V,c,l),m.needsUpdate=!0;const K=m.distanceToTriangle(p,b,x);if(K<E&&(y.copy(b),S&&S.copy(x),E=K,C=V,A=O),K<i)return!0}}}});{const _=ym(t);for(let I=0,R=_;I<R;I++){To(p,3*I,f,u),p.a.applyMatrix4(n),p.b.applyMatrix4(n),p.c.applyMatrix4(n),p.needsUpdate=!0;for(let O=N,F=N+w;O<F;O++){To(m,3*O,c,l),m.needsUpdate=!0;const V=m.distanceToTriangle(p,b,x);if(V<E&&(y.copy(b),S&&S.copy(x),E=V,C=O,A=I),V<i)return!0}}}}}),Gs.releasePrimitive(m),Gs.releasePrimitive(p),E===1/0?null:(r.point?r.point.copy(y):r.point=y.clone(),r.distance=E,r.faceIndex=C,o&&(o.point?o.point.copy(S):o.point=S.clone(),o.point.applyMatrix4(Ny),y.applyMatrix4(Ny),o.distance=y.sub(o.point).length(),o.faceIndex=A),r)}function DK(e,t=null){t&&Array.isArray(t)&&(t=new Set(t));const n=e.geometry,r=n.index?n.index.array:null,o=n.attributes.position;let i,s,a,l,c=0;const u=e._roots;for(let m=0,p=u.length;m<p;m++)i=u[m],s=new Uint32Array(i),a=new Uint16Array(i),l=new Float32Array(i),f(0,c),c+=i.byteLength;function f(m,p,b=!1){const y=m*2;if(a[y+15]===ix){const S=s[m+6],E=a[y+14];let C=1/0,A=1/0,N=1/0,w=-1/0,_=-1/0,I=-1/0;for(let R=S,O=S+E;R<O;R++){const F=3*e.resolveTriangleIndex(R);for(let V=0;V<3;V++){let $=F+V;$=r?r[$]:$;const K=o.getX($),U=o.getY($),Y=o.getZ($);K<C&&(C=K),K>w&&(w=K),U<A&&(A=U),U>_&&(_=U),Y<N&&(N=Y),Y>I&&(I=Y)}}return l[m+0]!==C||l[m+1]!==A||l[m+2]!==N||l[m+3]!==w||l[m+4]!==_||l[m+5]!==I?(l[m+0]=C,l[m+1]=A,l[m+2]=N,l[m+3]=w,l[m+4]=_,l[m+5]=I,!0):!1}else{const S=m+8,E=s[m+6],C=S+p,A=E+p;let N=b,w=!1,_=!1;t?N||(w=t.has(C),_=t.has(A),N=!w&&!_):(w=!0,_=!0);const I=N||w,R=N||_;let O=!1;I&&(O=f(S,p,N));let F=!1;R&&(F=f(E,p,N));const V=O||F;if(V)for(let $=0;$<3;$++){const K=S+$,U=E+$,Y=l[K],D=l[K+3],j=l[U],ee=l[U+3];l[m+$]=Y<j?Y:j,l[m+$+3]=D>ee?D:ee}return V}}}function LK(e,t,n,r,o,i,s){_r.setBuffer(e._roots[t]),jE(0,e,n,r,o,i,s),_r.clearBuffer()}function jE(e,t,n,r,o,i,s){const{float32Array:a,uint16Array:l,uint32Array:c}=_r,u=e*2;if(Gi(u,l)){const m=cs(e,c),p=Bs(u,l);vK(t,n,r,m,p,o,i,s)}else{const m=Vs(e);Gc(m,a,r,i,s)&&jE(m,t,n,r,o,i,s);const p=$s(e,c);Gc(p,a,r,i,s)&&jE(p,t,n,r,o,i,s)}}const FK=["x","y","z"];function jK(e,t,n,r,o,i){_r.setBuffer(e._roots[t]);const s=zE(0,e,n,r,o,i);return _r.clearBuffer(),s}function zE(e,t,n,r,o,i){const{float32Array:s,uint16Array:a,uint32Array:l}=_r;let c=e*2;if(Gi(c,a)){const f=cs(e,l),m=Bs(c,a);return AK(t,n,r,f,m,o,i)}else{const f=ok(e,l),m=FK[f],b=r.direction[m]>=0;let y,x;b?(y=Vs(e),x=$s(e,l)):(y=$s(e,l),x=Vs(e));const E=Gc(y,s,r,o,i)?zE(y,t,n,r,o,i):null;if(E){const N=E.point[m];if(b?N<=s[x+f]:N>=s[x+f+3])return E}const A=Gc(x,s,r,o,i)?zE(x,t,n,r,o,i):null;return E&&A?E.distance<=A.distance?E:A:E||A||null}}const Ty=new Ha,Jd=new pa,Qd=new pa,fp=new $r,HN=new ki,_y=new ki;function zK(e,t,n,r){_r.setBuffer(e._roots[t]);const o=BE(0,e,n,r);return _r.clearBuffer(),o}function BE(e,t,n,r,o=null){const{float32Array:i,uint16Array:s,uint32Array:a}=_r;let l=e*2;if(o===null&&(n.boundingBox||n.computeBoundingBox(),HN.set(n.boundingBox.min,n.boundingBox.max,r),o=HN),Gi(l,s)){const u=t.geometry,f=u.index,m=u.attributes.position,p=n.index,b=n.attributes.position,y=cs(e,a),x=Bs(l,s);if(fp.copy(r).invert(),n.boundsTree)return so(e,i,_y),_y.matrix.copy(fp),_y.needsUpdate=!0,n.boundsTree.shapecast({intersectsBounds:E=>_y.intersectsBox(E),intersectsTriangle:E=>{E.a.applyMatrix4(r),E.b.applyMatrix4(r),E.c.applyMatrix4(r),E.needsUpdate=!0;for(let C=y,A=x+y;C<A;C++)if(To(Qd,3*t.resolveTriangleIndex(C),f,m),Qd.needsUpdate=!0,E.intersectsTriangle(Qd))return!0;return!1}});for(let S=y,E=x+y;S<E;S++){const C=t.resolveTriangleIndex(S);To(Jd,3*C,f,m),Jd.a.applyMatrix4(fp),Jd.b.applyMatrix4(fp),Jd.c.applyMatrix4(fp),Jd.needsUpdate=!0;for(let A=0,N=p.count;A<N;A+=3)if(To(Qd,A,p,b),Qd.needsUpdate=!0,Jd.intersectsTriangle(Qd))return!0}}else{const u=e+8,f=a[e+6];return so(u,i,Ty),!!(o.intersectsBox(Ty)&&BE(u,t,n,r,o)||(so(f,i,Ty),o.intersectsBox(Ty)&&BE(f,t,n,r,o)))}}const Ry=new $r,FS=new ki,mp=new ki,BK=new Ue,VK=new Ue,$K=new Ue,GK=new Ue;function UK(e,t,n,r={},o={},i=0,s=1/0){t.boundingBox||t.computeBoundingBox(),FS.set(t.boundingBox.min,t.boundingBox.max,n),FS.needsUpdate=!0;const a=e.geometry,l=a.attributes.position,c=a.index,u=t.attributes.position,f=t.index,m=Gs.getPrimitive(),p=Gs.getPrimitive();let b=BK,y=VK,x=null,S=null;o&&(x=$K,S=GK);let E=1/0,C=null,A=null;return Ry.copy(n).invert(),mp.matrix.copy(Ry),e.shapecast({boundsTraverseOrder:N=>FS.distanceToBox(N),intersectsBounds:(N,w,_)=>_<E&&_<s?(w&&(mp.min.copy(N.min),mp.max.copy(N.max),mp.needsUpdate=!0),!0):!1,intersectsRange:(N,w)=>{if(t.boundsTree){const _=t.boundsTree;return _.shapecast({boundsTraverseOrder:I=>mp.distanceToBox(I),intersectsBounds:(I,R,O)=>O<E&&O<s,intersectsRange:(I,R)=>{for(let O=I,F=I+R;O<F;O++){const V=_.resolveTriangleIndex(O);To(p,3*V,f,u),p.a.applyMatrix4(n),p.b.applyMatrix4(n),p.c.applyMatrix4(n),p.needsUpdate=!0;for(let $=N,K=N+w;$<K;$++){const U=e.resolveTriangleIndex($);To(m,3*U,c,l),m.needsUpdate=!0;const Y=m.distanceToTriangle(p,b,x);if(Y<E&&(y.copy(b),S&&S.copy(x),E=Y,C=$,A=O),Y<i)return!0}}}})}else{const _=ym(t);for(let I=0,R=_;I<R;I++){To(p,3*I,f,u),p.a.applyMatrix4(n),p.b.applyMatrix4(n),p.c.applyMatrix4(n),p.needsUpdate=!0;for(let O=N,F=N+w;O<F;O++){const V=e.resolveTriangleIndex(O);To(m,3*V,c,l),m.needsUpdate=!0;const $=m.distanceToTriangle(p,b,x);if($<E&&(y.copy(b),S&&S.copy(x),E=$,C=O,A=I),$<i)return!0}}}}}),Gs.releasePrimitive(m),Gs.releasePrimitive(p),E===1/0?null:(r.point?r.point.copy(y):r.point=y.clone(),r.distance=E,r.faceIndex=C,o&&(o.point?o.point.copy(S):o.point=S.clone(),o.point.applyMatrix4(Ry),y.applyMatrix4(Ry),o.distance=y.sub(o.point).length(),o.faceIndex=A),r)}function HK(){return typeof SharedArrayBuffer<"u"}const ch=new _r.constructor,b0=new _r.constructor,xc=new Qv(()=>new Ha),ef=new Ha,tf=new Ha,jS=new Ha,zS=new Ha;let BS=!1;function WK(e,t,n,r){if(BS)throw new Error("MeshBVH: Recursive calls to bvhcast not supported.");BS=!0;const o=e._roots,i=t._roots;let s,a=0,l=0;const c=new $r().copy(n).invert();for(let u=0,f=o.length;u<f;u++){ch.setBuffer(o[u]),l=0;const m=xc.getPrimitive();so(0,ch.float32Array,m),m.applyMatrix4(c);for(let p=0,b=i.length;p<b&&(b0.setBuffer(i[p]),s=Qs(0,0,n,c,r,a,l,0,0,m),b0.clearBuffer(),l+=i[p].length,!s);p++);if(xc.releasePrimitive(m),ch.clearBuffer(),a+=o[u].length,s)break}return BS=!1,s}function Qs(e,t,n,r,o,i=0,s=0,a=0,l=0,c=null,u=!1){let f,m;u?(f=b0,m=ch):(f=ch,m=b0);const p=f.float32Array,b=f.uint32Array,y=f.uint16Array,x=m.float32Array,S=m.uint32Array,E=m.uint16Array,C=e*2,A=t*2,N=Gi(C,y),w=Gi(A,E);let _=!1;if(w&&N)u?_=o(cs(t,S),Bs(t*2,E),cs(e,b),Bs(e*2,y),l,s+t,a,i+e):_=o(cs(e,b),Bs(e*2,y),cs(t,S),Bs(t*2,E),a,i+e,l,s+t);else if(w){const I=xc.getPrimitive();so(t,x,I),I.applyMatrix4(n);const R=Vs(e),O=$s(e,b);so(R,p,ef),so(O,p,tf);const F=I.intersectsBox(ef),V=I.intersectsBox(tf);_=F&&Qs(t,R,r,n,o,s,i,l,a+1,I,!u)||V&&Qs(t,O,r,n,o,s,i,l,a+1,I,!u),xc.releasePrimitive(I)}else{const I=Vs(t),R=$s(t,S);so(I,x,jS),so(R,x,zS);const O=c.intersectsBox(jS),F=c.intersectsBox(zS);if(O&&F)_=Qs(e,I,n,r,o,i,s,a,l+1,c,u)||Qs(e,R,n,r,o,i,s,a,l+1,c,u);else if(O)if(N)_=Qs(e,I,n,r,o,i,s,a,l+1,c,u);else{const V=xc.getPrimitive();V.copy(jS).applyMatrix4(n);const $=Vs(e),K=$s(e,b);so($,p,ef),so(K,p,tf);const U=V.intersectsBox(ef),Y=V.intersectsBox(tf);_=U&&Qs(I,$,r,n,o,s,i,l,a+1,V,!u)||Y&&Qs(I,K,r,n,o,s,i,l,a+1,V,!u),xc.releasePrimitive(V)}else if(F)if(N)_=Qs(e,R,n,r,o,i,s,a,l+1,c,u);else{const V=xc.getPrimitive();V.copy(zS).applyMatrix4(n);const $=Vs(e),K=$s(e,b);so($,p,ef),so(K,p,tf);const U=V.intersectsBox(ef),Y=V.intersectsBox(tf);_=U&&Qs(R,$,r,n,o,s,i,l,a+1,V,!u)||Y&&Qs(R,K,r,n,o,s,i,l,a+1,V,!u),xc.releasePrimitive(V)}}return _}const Py=new ki,WN=new Ha,KK={strategy:tk,maxDepth:40,maxLeafTris:10,useSharedArrayBuffer:!1,setBoundingBox:!0,onProgress:null,indirect:!1,verbose:!0,range:null};class ax{static serialize(t,n={}){n={cloneBuffers:!0,...n};const r=t.geometry,o=t._roots,i=t._indirectBuffer,s=r.getIndex();let a;return n.cloneBuffers?a={roots:o.map(l=>l.slice()),index:s?s.array.slice():null,indirectBuffer:i?i.slice():null}:a={roots:o,index:s?s.array:null,indirectBuffer:i},a}static deserialize(t,n,r={}){r={setIndex:!0,indirect:!!t.indirectBuffer,...r};const{index:o,roots:i,indirectBuffer:s}=t,a=new ax(n,{...r,[RS]:!0});if(a._roots=i,a._indirectBuffer=s||null,r.setIndex){const l=n.getIndex();if(l===null){const c=new bc(t.index,1,!1);n.setIndex(c)}else l.array!==o&&(l.array.set(o),l.needsUpdate=!0)}return a}get indirect(){return!!this._indirectBuffer}constructor(t,n={}){if(t.isBufferGeometry){if(t.index&&t.index.isInterleavedBufferAttribute)throw new Error("MeshBVH: InterleavedBufferAttribute is not supported for the index attribute.")}else throw new Error("MeshBVH: Only BufferGeometries are supported.");if(n=Object.assign({...KK,[RS]:!1},n),n.useSharedArrayBuffer&&!HK())throw new Error("MeshBVH: SharedArrayBuffer is not available.");this.geometry=t,this._roots=null,this._indirectBuffer=null,n[RS]||(cK(this,n),!t.boundingBox&&n.setBoundingBox&&(t.boundingBox=this.getBoundingBox(new Ha))),this.resolveTriangleIndex=n.indirect?r=>this._indirectBuffer[r]:r=>r}refit(t=null){return(this.indirect?DK:wK)(this,t)}traverse(t,n=0){const r=this._roots[n],o=new Uint32Array(r),i=new Uint16Array(r);s(0);function s(a,l=0){const c=a*2,u=i[c+15]===ix;if(u){const f=o[a+6],m=i[c+14];t(l,u,new Float32Array(r,a*4,6),f,m)}else{const f=a+lh/4,m=o[a+6],p=o[a+7];t(l,u,new Float32Array(r,a*4,6),p)||(s(f,l+1),s(m,l+1))}}}raycast(t,n=VM,r=0,o=1/0){const i=this._roots,s=this.geometry,a=[],l=n.isMaterial,c=Array.isArray(n),u=s.groups,f=l?n.side:n,m=this.indirect?LK:MK;for(let p=0,b=i.length;p<b;p++){const y=c?n[u[p].materialIndex].side:f,x=a.length;if(m(this,p,y,t,a,r,o),c){const S=u[p].materialIndex;for(let E=x,C=a.length;E<C;E++)a[E].face.materialIndex=S}}return a}raycastFirst(t,n=VM,r=0,o=1/0){const i=this._roots,s=this.geometry,a=n.isMaterial,l=Array.isArray(n);let c=null;const u=s.groups,f=a?n.side:n,m=this.indirect?jK:NK;for(let p=0,b=i.length;p<b;p++){const y=l?n[u[p].materialIndex].side:f,x=m(this,p,y,t,r,o);x!=null&&(c==null||x.distance<c.distance)&&(c=x,l&&(x.face.materialIndex=u[p].materialIndex))}return c}intersectsGeometry(t,n){let r=!1;const o=this._roots,i=this.indirect?zK:TK;for(let s=0,a=o.length;s<a&&(r=i(this,s,t,n),!r);s++);return r}shapecast(t){const n=Gs.getPrimitive(),r=this.indirect?CK:EK;let{boundsTraverseOrder:o,intersectsBounds:i,intersectsRange:s,intersectsTriangle:a}=t;if(s&&a){const f=s;s=(m,p,b,y,x)=>f(m,p,b,y,x)?!0:r(m,p,this,a,b,y,n)}else s||(a?s=(f,m,p,b)=>r(f,m,this,a,p,b,n):s=(f,m,p)=>p);let l=!1,c=0;const u=this._roots;for(let f=0,m=u.length;f<m;f++){const p=u[f];if(l=hK(this,f,i,s,o,c),l)break;c+=p.byteLength}return Gs.releasePrimitive(n),l}bvhcast(t,n,r){let{intersectsRanges:o,intersectsTriangles:i}=r;const s=Gs.getPrimitive(),a=this.geometry.index,l=this.geometry.attributes.position,c=this.indirect?b=>{const y=this.resolveTriangleIndex(b);To(s,y*3,a,l)}:b=>{To(s,b*3,a,l)},u=Gs.getPrimitive(),f=t.geometry.index,m=t.geometry.attributes.position,p=t.indirect?b=>{const y=t.resolveTriangleIndex(b);To(u,y*3,f,m)}:b=>{To(u,b*3,f,m)};if(i){const b=(y,x,S,E,C,A,N,w)=>{for(let _=S,I=S+E;_<I;_++){p(_),u.a.applyMatrix4(n),u.b.applyMatrix4(n),u.c.applyMatrix4(n),u.needsUpdate=!0;for(let R=y,O=y+x;R<O;R++)if(c(R),s.needsUpdate=!0,i(s,u,R,_,C,A,N,w))return!0}return!1};if(o){const y=o;o=function(x,S,E,C,A,N,w,_){return y(x,S,E,C,A,N,w,_)?!0:b(x,S,E,C,A,N,w,_)}}else o=b}return WK(this,t,n,o)}intersectsBox(t,n){return Py.set(t.min,t.max,n),Py.needsUpdate=!0,this.shapecast({intersectsBounds:r=>Py.intersectsBox(r),intersectsTriangle:r=>Py.intersectsTriangle(r)})}intersectsSphere(t){return this.shapecast({intersectsBounds:n=>t.intersectsBox(n),intersectsTriangle:n=>n.intersectsSphere(t)})}closestPointToGeometry(t,n,r={},o={},i=0,s=1/0){return(this.indirect?UK:kK)(this,t,n,r,o,i,s)}closestPointToPoint(t,n={},r=0,o=1/0){return gK(this,t,n,r,o)}getBoundingBox(t){return t.makeEmpty(),this._roots.forEach(r=>{so(0,new Float32Array(r),WN),t.union(WN)}),t}}function KN(e,t,n){return e===null?null:(e.point.applyMatrix4(t.matrixWorld),e.distance=e.point.distanceTo(n.ray.origin),e.object=t,e)}const Oy=new j5,qN=new Ue,YN=new $r,qK=$b.prototype.raycast,YK=F5.prototype.raycast,XN=new Ue,ii=new $b,ky=[];function XK(e,t){this.isBatchedMesh?ZK.call(this,e,t):JK.call(this,e,t)}function ZK(e,t){if(this.boundsTrees){const n=this.boundsTrees,r=this._drawInfo,o=this._drawRanges,i=this.matrixWorld;ii.material=this.material,ii.geometry=this.geometry;const s=ii.geometry.boundsTree,a=ii.geometry.drawRange;ii.geometry.boundingSphere===null&&(ii.geometry.boundingSphere=new v2);for(let l=0,c=r.length;l<c;l++){if(!this.getVisibleAt(l))continue;const u=r[l].geometryIndex;if(ii.geometry.boundsTree=n[u],this.getMatrixAt(l,ii.matrixWorld).premultiply(i),!ii.geometry.boundsTree){this.getBoundingBoxAt(u,ii.geometry.boundingBox),this.getBoundingSphereAt(u,ii.geometry.boundingSphere);const f=o[u];ii.geometry.setDrawRange(f.start,f.count)}ii.raycast(e,ky);for(let f=0,m=ky.length;f<m;f++){const p=ky[f];p.object=this,p.batchId=l,t.push(p)}ky.length=0}ii.geometry.boundsTree=s,ii.geometry.drawRange=a,ii.material=null,ii.geometry=null}else YK.call(this,e,t)}function JK(e,t){if(this.geometry.boundsTree){if(this.material===void 0)return;YN.copy(this.matrixWorld).invert(),Oy.copy(e.ray).applyMatrix4(YN),XN.setFromMatrixScale(this.matrixWorld),qN.copy(Oy.direction).multiply(XN);const n=qN.length(),r=e.near/n,o=e.far/n,i=this.geometry.boundsTree;if(e.firstHitOnly===!0){const s=KN(i.raycastFirst(Oy,this.material,r,o),this,e);s&&t.push(s)}else{const s=i.raycast(Oy,this.material,r,o);for(let a=0,l=s.length;a<l;a++){const c=KN(s[a],this,e);c&&t.push(c)}}}else qK.call(this,e,t)}const ak=Object.freeze({indirect:!0}),lk=25e5;function ck(e){if(e?.index)return Math.floor(e.index.count/3);const t=e?.attributes?.position;return t?Math.floor(t.count/3):0}function VE(e){if(typeof globalThis.requestIdleCallback=="function"){globalThis.requestIdleCallback(()=>e(),{timeout:2e3});return}setTimeout(e,0)}function uk(e){e?.isMesh&&(e.raycast=XK)}function QK(e,t){if(!e||e.boundsTree||e.userData.__bvhSkipped)return;const n=ck(e);if(!n||n>t||!e.attributes?.position){e.userData.__bvhSkipped=!0;return}try{e.boundsTree=new 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dk=4294967295;function n7(e,t){const n=t?.proxy||{};if(!(n.facePositions instanceof Float32Array)||!(n.faceIndices instanceof Uint32Array)||!n.faceIndices.length)return null;const r=new e.BufferGeometry;r.setAttribute("position",new e.BufferAttribute(n.facePositions,3)),r.setIndex(new e.BufferAttribute(n.faceIndices,1));const o=new e.MeshBasicMaterial({color:16777215,side:e.DoubleSide,transparent:!0,opacity:0,depthWrite:!1,toneMapped:!1,colorWrite:!1}),i=new e.Mesh(r,o);return i.userData.faceIds=n.faceIds||new Uint32Array(0),i.frustumCulled=!1,i}function r7(e){const 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Object.fromEntries(Object.values(n).map(r=>[r.id,ed(r,Zf(t)&&Object.hasOwn(t,r.id)?t[r.id]:r.defaultValue)]))}function lY(e){return(Array.isArray(e)?e.map(n=>[n?.id,n]):Object.entries(Zf(e)?e:{})).map(([n,r])=>{const o=Zf(r)?r:{},i=Wi(n);return i?{id:i,label:Wi(o.label,i),description:Wi(o.description),duration:Math.max(El(o.duration??o.durationSeconds,1),.001),loop:o.loop!==!1,update:typeof o.update=="function"?o.update:null,raw:o}:null}).filter(Boolean)}class cY extends Error{}function ta(e){throw new cY(String(e))}function Ra(e){return JSON.stringify(String(e))}function uY(e){return typeof e=="boolean"?e?"true":"false":((typeof e!="number"||!Number.isFinite(e))&&ta(`literal ${String(e)}`),Object.is(e,-0)?"-0":String(e))}function v0(e){return e==="float"||e==="int"||e==="bool"?"s":e==="vec2"?2:e==="vec3"?3:e==="vec4"?4:null}const dY=new Set(["float","int","bool","length","dot"]),mT={vec2:2,vec3:3,vec4:4,cross:3},fY=new Set(["abs","sign","floor","ceil","fract","sqrt","exp","log","sin","cos","tan","asin","acos","normalize"]),mY=new Set(["min","max","clamp","mix","smoothstep","mod","pow"]);function pY(e){let t=null;for(const n of e){if(n===null)return null;if(typeof n=="number"){if(t!==null&&t!==n)return null;t=n}}return t===null?"s":t}function Mu(e,t){if(!(!e||typeof e!="object"))switch(e.type){case"var":{const n=v0(e.varType);t.has(e.name)&&t.get(e.name)!==n?t.set(e.name,null):t.set(e.name,n);return}case"block":for(const n of e.body)Mu(n,t);return;case"if":Mu(e.consequent,t),Mu(e.alternate,t);return;case"for":Mu(e.init,t),Mu(e.body,t);return}}const pT={"+":"add","-":"sub","*":"mul","/":"div"};class Rk{constructor(t,n,r){this.context=t,this.fn=n,this.name=r,this.types=new Map;for(const o of n.params)this.types.set(o.name,v0(o.type));Mu(n.body,this.types),this.tempCount=0,this.guardCount=0}temp(){const t=`t${this.tempCount}`;return this.tempCount+=1,t}guard(){const t=`g${this.guardCount}`;return this.guardCount+=1,t}isLocal(t){return this.types.has(t)}readRef(t){return this.isLocal(t)?`l_${t}`:this.context.globalTypes.has(t)?`G[${Ra(t)}]`:(ta(`unknown identifier ${t}`),"")}shapeOfName(t){return this.isLocal(t)?this.types.get(t):this.context.globalTypes.get(t)??null}writeStmt(t,n,{shape:r=null,fresh:o=!1}={}){const s=!o&&r!=="s"?`H.cloneValue(${n})`:n;return`${this.readRef(t)} = ${s}`}emitArith(t,n,r){if(n.shape==="s"&&r.shape==="s")return{code:`(${n.code} ${t} ${r.code})`,shape:"s"};if(typeof n.shape=="number"&&(r.shape==="s"||n.shape===r.shape)){const i=this.temp(),s=this.temp(),a=n.shape,l=u=>r.shape==="s"?`${i}[${u}] ${t} ${s}`:`${i}[${u}] ${t} ${s}[${u}]`,c=Array.from({length:a},(u,f)=>l(f)).join(", ");return{code:`(${i} = ${n.code}, ${s} = ${r.code}, [${c}])`,shape:a}}if(n.shape==="s"&&typeof r.shape=="number"){const i=this.temp(),s=this.temp(),a=Array.from({length:r.shape},(l,c)=>`${i} ${t} ${s}[${c}]`).join(", ");return{code:`(${i} = ${n.code}, ${s} = ${r.code}, [${a}])`,shape:r.shape}}const o=typeof n.shape=="number"?typeof r.shape=="number"?Math.max(n.shape,r.shape):n.shape:typeof r.shape=="number"?r.shape:null;return{code:`H.${pT[t]}(${n.code}, ${r.code})`,shape:o}}emitExpression(t){switch(t.type){case"literal":return{code:uY(t.value),shape:"s"};case"identifier":return{code:this.readRef(t.name),shape:this.shapeOfName(t.name)};case"member":{const n=this.emitExpression(t.object),r=String(t.property),o=r.length===1?"s":r.length,i=[...r].map(c=>({x:0,y:1,z:2,w:3,r:0,g:1,b:2,a:3,s:0,t:1,p:2,q:3})[c]);if(!(i.every(c=>c!==void 0)&&typeof n.shape=="number"&&i.every(c=>c<n.shape)))return{code:`H.getSwizzle(${n.code}, ${Ra(t.property)})`,shape:i.every(c=>c!==void 0)?o:null};if(i.length===1)return{code:`(${n.code})[${i[0]}]`,shape:"s"};const a=this.temp(),l=i.map(c=>`${a}[${c}]`).join(", ");return{code:`(${a} = ${n.code}, [${l}])`,shape:o}}case"unary":{const n=this.emitExpression(t.argument);if(t.op==="-"){if(n.shape==="s")return{code:`(-(${n.code}))`,shape:"s"};if(typeof n.shape=="number"){const r=this.temp(),o=Array.from({length:n.shape},(i,s)=>`-${r}[${s}]`).join(", ");return{code:`(${r} = ${n.code}, [${o}])`,shape:n.shape}}return{code:`H.neg(${n.code})`,shape:n.shape}}return t.op==="!"?{code:`(!H.truthy(${n.code}))`,shape:"s"}:{code:`(${n.code})`,shape:n.shape}}case"update":{t.argument?.type!=="identifier"&&ta("update of a non-identifier");const n=this.shapeOfName(t.argument.name),r=this.temp(),o=this.temp(),i=this.readRef(t.argument.name),s=n==="s"?`${o} = ${r} ${t.op==="++"?"+":"-"} 1`:`${o} = H.${t.op==="++"?"add":"sub"}(${r}, 1)`,a=this.writeStmt(t.argument.name,o,{shape:n});return{code:`(${r} = ${i}, ${s}, ${a}, ${t.prefix?o:r})`,shape:n}}case"binary":{if(t.op==="&&"||t.op==="||"){const o=this.emitExpression(t.left),i=this.emitExpression(t.right);return{code:`(H.truthy(${o.code}) ${t.op} H.truthy(${i.code}))`,shape:"s"}}const n=this.emitExpression(t.left),r=this.emitExpression(t.right);if(pT[t.op])return this.emitArith(t.op,n,r);switch(t.op){case"<":case">":case"<=":case">=":return{code:`(${n.code} ${t.op} ${r.code})`,shape:"s"};case"==":return{code:`(${n.code} === ${r.code})`,shape:"s"};case"!=":return{code:`(${n.code} !== ${r.code})`,shape:"s"};default:ta(`operator ${t.op}`)}return{code:"",shape:null}}case"ternary":{const n=this.emitExpression(t.condition),r=this.emitExpression(t.consequent),o=this.emitExpression(t.alternate);return{code:`(H.truthy(${n.code}) ? ${r.code} : ${o.code})`,shape:r.shape===o.shape?r.shape:null}}case"assign":return this.emitAssign(t);case"call":{const n=t.callee?.type==="identifier"?t.callee.name:"",r=t.args.map(i=>this.emitExpression(i)),o=r.map(i=>i.code).join(", ");if(this.context.builtins[n]){this.context.usedBuiltins.add(n);let i=null;return dY.has(n)?i="s":n in mT?i=mT[n]:fY.has(n)?i=r[0]?.shape??null:mY.has(n)&&(i=pY(r.map(s=>s.shape))),{code:`B_${n}(${o})`,shape:i}}return this.context.functionShapes.has(n)?{code:`f_${n}(${o})`,shape:this.context.functionShapes.get(n)}:(ta(`unknown function ${n}`),{code:"",shape:null})}default:return ta(`expression node ${t?.type}`),{code:"",shape:null}}}emitAssign(t){const n=this.temp(),r=this.emitExpression(t.right),o=(i,s)=>{if(t.op==="=")return{code:n,shape:r.shape};const a={"+=":"+","-=":"-","*=":"*"}[t.op]??"/";return this.emitArith(a,{code:i,shape:s},{code:n,shape:r.shape})};if(t.left?.type==="identifier"){const i=t.left.name,s=o(this.readRef(i),this.shapeOfName(i)),a=this.temp(),l=this.writeStmt(i,a,{shape:s.shape});return{code:`(${n} = ${r.code}, ${a} = ${s.code}, ${l}, ${a})`,shape:s.shape}}if(t.left?.type==="member"&&t.left.object?.type==="identifier"){const i=t.left.object.name,s=this.temp(),a=this.temp(),l=Ra(t.left.property),c=String(t.left.property).length===1?"s":String(t.left.property).length,u=o(`H.getSwizzle(${s}, ${l})`,c),f=this.writeStmt(i,s,{shape:this.shapeOfName(i)});return{code:`(${n} = ${r.code}, ${s} = ${this.readRef(i)}, ${a} = ${u.code}, H.setSwizzle(${s}, ${l}, ${a}), ${f}, ${a})`,shape:u.shape}}return ta("assignment target"),{code:"",shape:null}}emitStatement(t){switch(t.type){case"empty":return";";case"block":return`{
${t.body.map(n=>this.emitStatement(n)).join(`
`)}
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`:"";return`${r}
${n} = 0;
for (;; ${o}) {
if (${n} >= 10000) { throw new Error("GLSL for-loop exceeded exporter safety limit"); }
${i}${this.emitStatement(t.body)}
}`}default:return ta(`statement node ${t?.type}`),""}}emit(){const t=this.fn.params.map((a,l)=>`a${l}`),n=this.fn.params.map((a,l)=>`let l_${a.name} = H.castValue(a${l}, ${Ra(a.type)});`),r=this.emitStatement(this.fn.body),o=new Set(this.fn.params.map(a=>a.name)),i=[...this.types.keys()].filter(a=>!o.has(a)),s=[...i.length?[`let ${i.map(a=>`l_${a}`).join(", ")};`]:[],...this.tempCount?[`let ${Array.from({length:this.tempCount},(a,l)=>`t${l}`).join(", ")};`]:[],...this.guardCount?[`let ${Array.from({length:this.guardCount},(a,l)=>`g${l}`).join(", ")};`]:[]];return`function f_${this.name}(${t.join(", ")}) {
${n.join(`
`)}
${s.join(`
`)}
${r}
return H.defaultValueForType(${Ra(this.fn.returnType)});
}`}}class hY extends Rk{constructor(t){super(t,{params:[],body:{type:"block",body:[]},returnType:"void"},"globals"),this.types=new Map}readRef(t){return this.context.globalTypes.has(t)?`G[${Ra(t)}]`:(ta(`unknown global identifier ${t}`),"")}shapeOfName(t){return this.context.globalTypes.get(t)??null}}function gY(e,t,n,r){try{const{BUILTINS:o,tokenize:i,Parser:s,helpers:a}=r,l=new s(i(t)).parseProgram();for(const w of l.functions.values())if(w.params?.some(_=>_.qualifiers?.includes("inout")))return null;if(!l.functions.has(n))return null;const c=Object.create(null);c.PI=Math.PI,c.TWO_PI=Math.PI*2;const u=new Map([["PI","s"],["TWO_PI","s"]]);for(const[w,_]of Object.entries(e?.uniforms||{}))c[w]=a.cloneValue(a.castValue(_?.value,_?.type)),u.set(w,v0(_?.type));for(const w of l.globals)Mu(w,u);const f=new Map([...l.functions.entries()].map(([w,_])=>[w,v0(_.returnType)])),m={builtins:o,usedBuiltins:new Set,functionShapes:f,globalTypes:u},p=[];for(const[w,_]of l.functions.entries())p.push(new Rk(m,_,w).emit());const b=new hY(m),y=l.globals.map(w=>b.emitStatement(w)),x=[...b.tempCount?[`let ${Array.from({length:b.tempCount},(w,_)=>`t${_}`).join(", ")};`]:[],...b.guardCount?[`let ${Array.from({length:b.guardCount},(w,_)=>`g${_}`).join(", ")};`]:[]],S=[...m.usedBuiltins].map(w=>`const B_${w} = BUILTINS[${Ra(w)}];`),E=[...l.functions.keys()].map(w=>`${Ra(w)}: f_${w}`),C=`"use strict";
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${p.join(`
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${x.join(`
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${y.join(`
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return { ${E.join(", ")} };`,N=new Function("H","BUILTINS","G",C)(a,o,c);return{compiled:!0,call(w,_){const I=N[w];if(!I)throw new Error(`Unknown GLSL function: ${w}`);return I(..._)}}}catch{return null}}var yY={};function xi(e){return Array.isArray(e)}function Dl(e,t=0){const n=Number(e);return Number.isFinite(n)?n:t}function yi(e){return xi(e)?e.some(t=>yi(t)):!!e}function oA(e,t){const n=[];for(const r of e)xi(r)?n.push(...r):n.push(r);return n.length===0&&n.push(0),n.length===1?Array.from({length:t},()=>Dl(n[0])):Array.from({length:t},(r,o)=>Dl(n[o],0))}function pr(e=0,t=void 0){return oA(t===void 0?[e]:[e,t],2)}function Si(e=0,t=void 0,n=void 0){return oA(t===void 0&&n===void 0?[e]:[e,t,n],3)}function iA(e=0,t=void 0,n=void 0,r=void 0){return oA(t===void 0&&n===void 0&&r===void 0?[e]:[e,t,n,r],4)}function Qn(e,t){return xi(e)?e.map(n=>t(n)):t(e)}function Ua(e,t,n){if(xi(e)&&xi(t)){const r=Math.max(e.length,t.length);return Array.from({length:r},(o,i)=>n(e[i]??0,t[i]??0))}return xi(e)?e.map(r=>n(r,t)):xi(t)?t.map(r=>n(e,r)):n(e,t)}function jo(e,t){return Ua(e,t,(n,r)=>n+r)}function on(e,t){return Ua(e,t,(n,r)=>n-r)}function ot(e,t){return Ua(e,t,(n,r)=>n*r)}function Ui(e,t){return Ua(e,t,(n,r)=>n/r)}function sA(e){return Qn(e,t=>-t)}function A0(e){return Qn(e,Math.abs)}function Pk(e,t){return Ua(e,t,Math.min)}function Fh(e,t){return Ua(e,t,Math.max)}function yf(e,t,n){return Pk(Fh(e,t),n)}function WE(e,t,n){return jo(ot(e,on(1,n)),ot(t,n))}function bY(e,t,n){const r=yf(Ui(on(n,e),on(t,e)),0,1);return ot(ot(r,r),on(3,ot(2,r)))}function aA(e,t){return Ua(e,t,(n,r)=>n-r*Math.floor(n/r))}function oo(e){return xi(e)?Math.hypot(...e):Math.abs(e)}function Un(e,t){const n=xi(e)?e:[e],r=xi(t)?t:[t],o=Math.max(n.length,r.length);let i=0;for(let s=0;s<o;s+=1)i+=(n[s]??0)*(r[s]??0);return i}function hT(e,t){const n=Si(e),r=Si(t);return[n[1]*r[2]-n[2]*r[1],n[2]*r[0]-n[0]*r[2],n[0]*r[1]-n[1]*r[0]]}function If(e){const t=oo(e);return t>1e-12?Ui(e,t):ot(e,0)}function Ok(e){const t={x:0,y:1,z:2,w:3,r:0,g:1,b:2,a:3,s:0,t:1,p:2,q:3};return String(e||"").split("").map(n=>t[n])}function co(e,t){const n=Ok(t);if(!n.length||n.some(i=>i===void 0))throw new Error(`Unsupported GLSL member access: .${t}`);const r=xi(e)?e:[e],o=n.map(i=>r[i]??0);return o.length===1?o[0]:o}function kk(e,t,n){if(!xi(e))throw new Error(`Cannot assign .${t} on a scalar value`);const r=Ok(t),o=xi(n)?n:[n];return r.forEach((i,s)=>{if(i===void 0)throw new Error(`Unsupported GLSL member assignment: .${t}`);e[i]=Dl(o[s],o[0]??0)}),e}function Dk(e,t,n,r,o){const i=(o-r)/(n-t);return(e-t)*i+r}function xY(e,t,n,r,o){return Math.min(Math.max(Dk(e,t,n,r,o),r),o)}function SY(e,t){return(e-t)/(e+t)}function EY(e,t,n){return e*Math.cos(n)+t*Math.sin(n)}function cx(e,t){if(xi(e)||xi(t))return Ua(e,t,cx);const n=t*.5,r=t*.25,o=aA(e+n,t);return r-Math.abs(o-n)}function ux(e,t){return jo(cx(e,t),ot(t,.25))}function Lk(e,t){return cx(on(e,ot(t,.5)),t)}function KE(e,t){return jo(Lk(e,t),ot(t,.25))}function ng(e,t){return on(aA(jo(e,ot(t,.5)),t),ot(t,.5))}function gT(e,t,n){const r=Math.max(n,0),o=Fh(jo(pr(e,t),r),0);return Math.min(-r,Math.max(e,t))+oo(o)}function yT(e,t,n){return Math.max(Math.max(e,t),(e+t+n)*.7071067811865476)}function bT(e,t,n){const r=Math.max(n,1e-6)*.5;return r*Math.log(Math.exp(e/r)+Math.exp(t/r))}function xT(e,t,n,r){const o=Math.max(n,0),i=Math.max(r,1e-6),s=Fh(jo(pr(e,t),o),0);return Math.min(-o,Math.max(e,t))+Math.pow(Math.pow(s[0],i)+Math.pow(s[1],i),1/i)}function ST(e,t,n){const r=Math.max(e,t),o=Math.max(n,0);if(o<=0)return r;const i=e+t-Math.sqrt(e*e+t*t),s=Math.min(Math.max((r+o)/o,0),1),a=s*s*(3-2*s);return r<-o?r:WE(r,i,a)}const nt={float:(e=0)=>Dl(e),int:(e=0)=>Math.trunc(Dl(e)),bool:(e=!1)=>yi(e),vec2:pr,vec3:Si,vec4:iA,abs:A0,min:Pk,max:Fh,clamp:yf,mix:WE,smoothstep:bY,mod:aA,length:oo,dot:Un,cross:hT,normalize:If,sin:e=>Qn(e,Math.sin),cos:e=>Qn(e,Math.cos),tan:e=>Qn(e,Math.tan),atan:(...e)=>e.length>=2?Math.atan2(e[0],e[1]):Qn(e[0],Math.atan),pow:(e,t)=>Ua(e,t,Math.pow),sqrt:e=>Qn(e,Math.sqrt),exp:e=>Qn(e,Math.exp),log:e=>Qn(e,Math.log),floor:e=>Qn(e,Math.floor),ceil:e=>Qn(e,Math.ceil),fract:e=>Qn(e,t=>t-Math.floor(t)),sign:e=>Qn(e,Math.sign),radians:e=>Qn(e,t=>t*Math.PI/180),degrees:e=>Qn(e,t=>t*180/Math.PI),asin:e=>Qn(e,Math.asin),acos:e=>Qn(e,Math.acos),sinh:e=>Qn(e,Math.sinh),cosh:e=>Qn(e,Math.cosh),tanh:e=>Qn(e,Math.tanh),asinh:e=>Qn(e,Math.asinh),acosh:e=>Qn(e,Math.acosh),atanh:e=>Qn(e,Math.atanh),exp2:e=>Qn(e,t=>2**t),log2:e=>Qn(e,Math.log2),inversesqrt:e=>Qn(e,t=>1/Math.sqrt(t)),trunc:e=>Qn(e,Math.trunc),round:e=>Qn(e,Math.round),roundEven:e=>Qn(e,t=>{const n=Math.round(t);return Math.abs(t%1)===.5&&n%2!==0?n-Math.sign(t):n}),step:(e,t)=>Ua(e,t,(n,r)=>r<n?0:1),distance:(e,t)=>oo(on(e,t)),reflect:(e,t)=>on(e,ot(t,2*Un(t,e))),implicit_clamp01:e=>yf(e,0,1),implicit_linear_map:Dk,implicit_ramp:xY,implicit_two_body_field:SY,implicit_two_body_polar:EY,implicit_triangle_wave_even:cx,implicit_triangle_wave_even_positive:ux,implicit_triangle_wave_odd:Lk,implicit_triangle_wave_odd_positive:KE,implicit_repeat_centered:ng,implicit_intersect_sharp:(e,t)=>Math.max(e,t),implicit_union_sharp:(e,t)=>Math.min(e,t),implicit_intersect_round:gT,implicit_union_round:(e,t,n)=>-gT(-e,-t,n),implicit_intersect_chamfer:yT,implicit_union_chamfer:(e,t,n)=>-yT(-e,-t,n),implicit_intersect_exp:bT,implicit_union_exp:(e,t,n)=>-bT(-e,-t,n),implicit_intersect_lp_norm:xT,implicit_union_lp_norm:(e,t,n,r)=>-xT(-e,-t,n,r),implicit_intersect_rvachev:ST,implicit_union_rvachev:(e,t,n)=>-ST(-e,-t,n),implicit_plane2:(e,t,n)=>Un(on(e,t),If(n)),implicit_line_segment2:(e,t,n)=>{const r=on(n,t),o=Un(r,r);if(o<1e-12)return oo(on(e,t));const i=yf(Un(on(e,t),r)/o,0,1);return oo(on(e,jo(t,ot(i,r))))},implicit_sphere:(e,t,n)=>oo(on(e,t))-n,implicit_box_centered:(e,t,n)=>{const r=on(A0(on(e,n)),ot(t,.5));return oo(Fh(r,0))+Math.min(Math.max(r[0],Math.max(r[1],r[2])),0)},implicit_plane:(e,t,n)=>Un(on(e,t),If(n)),implicit_line_segment:(e,t,n)=>{const r=on(n,t),o=Un(r,r);if(o<1e-12)return oo(on(e,t));const i=yf(Un(on(e,t),r)/o,0,1);return oo(on(e,jo(t,ot(i,r))))},implicit_torus:(e,t,n)=>{const r=pr(oo(co(e,"xy"))-t,co(e,"z"));return oo(r)-n},implicit_axis:(e,t,n)=>{const r=oo(n);if(r<1e-12)return oo(on(e,t));const o=Ui(n,r),i=on(e,t);return oo(on(i,ot(Un(i,o),o)))},implicit_cylinder:(e,t,n,r)=>nt.implicit_axis(e,t,n)-r,implicit_cylinder_capped:(e,t,n,r)=>{const o=on(n,t),i=nt.implicit_cylinder(e,t,o,r),s=-nt.implicit_plane(e,t,o),a=nt.implicit_plane(e,n,o);return Math.max(i,Math.max(s,a))},implicit_capsule:(e,t,n,r)=>nt.implicit_line_segment(e,t,n)-r,implicit_cone_capsule:(e,t,n,r,o)=>{const i=on(n,t),s=Un(i,i);if(s<1e-12)return nt.implicit_sphere(e,t,r);const a=yf(Un(on(e,t),i)/s,0,1),l=WE(r,o,a);return oo(on(e,jo(t,ot(a,i))))-l},implicit_cone:(e,t,n,r)=>{const o=oo(n);if(o<1e-12)return oo(on(e,t));const i=Ui(n,o),s=on(e,t),a=Un(s,i);return oo(on(s,ot(a,i)))-a*Math.tan(r)},implicit_cone_capped:(e,t,n,r,o)=>{const i=on(n,t),s=oo(i);if(s<1e-12)return nt.implicit_sphere(e,t,r);const a=Math.atan2(Math.abs(o-r),s),l=r<o?nt.implicit_cone(e,t,i,a)-r:nt.implicit_cone(e,n,sA(i),a)-o,c=-nt.implicit_plane(e,t,i),u=nt.implicit_plane(e,n,i);return Math.max(l,Math.max(c,u))},implicit_shell:(e,t,n=0)=>Math.abs(e+n*t*.5)-t*.5,implicit_rotate_axis:(e,t,n,r)=>{const o=If(n),i=on(e,t),s=Math.cos(r),a=Math.sin(r);return jo(jo(jo(t,ot(i,s)),ot(hT(o,i),a)),ot(o,Un(o,i)*(1-s)))},implicit_remap_cylindrical:(e,t)=>{const n=oo(co(e,"xy")),r=Math.atan2(e[1],e[0]);return Si(n,r*(t/(Math.PI*2)),e[2])},implicit_tpms_gyroid:(e,t,n)=>{const r=ot(e,Ui(Math.PI*2,t)),o=co(r,"yzx");return Un(n,ot(nt.sin(r),nt.cos(o)))*(t[0]+t[1]+t[2])/18},implicit_tpms_schwarz:(e,t,n,r)=>{const o=ot(e,Ui(Math.PI*2,t)),i=co(o,"yzx"),s=jo(Si(-(1-r)),ot(nt.sin(o),r));return Un(n,ot(nt.cos(i),s))*(t[0]+t[1]+t[2])/36},implicit_diamond:()=>0};nt.implicit_tpms_diamond=(e,t,n,r)=>{const o=ot(e,Ui(Math.PI*2,t)),i=co(o,"yzx"),s=co(o,"zxy"),a=nt.sin(o),l=nt.cos(i),c=nt.cos(s),u=1-r,f=u*a[0]*a[1]*a[2],m=Un(n,ot(ot(a,l),jo(ot(c,u),Si(r))));return(f+m)*(t[0]+t[1]+t[2])/(6*2.8284271247461903*2)};nt.implicit_tpms_lidinoid=(e,t,n,r)=>{const o=ot(e,Ui(Math.PI*2,t)),i=co(o,"yzx"),s=co(o,"zxy"),a=nt.cos(ot(2,o)),l=co(a,"yzx"),c=1-r,u=Un(n,ot(ot(nt.sin(s),nt.cos(i)),jo(ot(nt.sin(ot(2,o)),c),Si(r)))),f=c*Un(a,l);return(u-f)*(t[0]+t[1]+t[2])/72};nt.implicit_tpms_neovius=(e,t,n,r)=>{const o=ot(e,Ui(Math.PI*2,t)),i=ot(nt.cos(o),n),s=-Un(i,Si(1)),a=(1-r)*(4/3)*i[0]*i[1]*i[2];return(s-a)*(t[0]+t[1]+t[2])/(6*(26/3))};nt.implicit_tpms_split_p=(e,t,n,r,o)=>{const i=ot(e,Ui(Math.PI*2,t)),s=co(i,"yzx"),a=co(i,"zxy"),l=nt.sin(ot(2,i)),c=nt.cos(ot(2,i)),u=-n*Un(ot(ot(l,nt.cos(s)),nt.sin(a)),Si(1)),f=r*Un(ot(l,c),Si(1)),m=o*Un(c,Si(1));return(u+f+m)*(t[0]+t[1]+t[2])/36};nt.implicit_tpms_iwp=(e,t,n)=>{const r=ot(e,Ui(Math.PI*2,t)),o=co(r,"yzx"),i=2*Un(ot(ot(n,nt.cos(r)),nt.cos(o)),Si(1)),s=Un(nt.cos(ot(2,r)),Si(1));return(i-s)*(t[0]+t[1]+t[2])/48};nt.implicit_cubic_grid=(e,t)=>{const n=ux(e,t);return Math.min(n[0],Math.min(n[1],n[2]))};nt.implicit_square_honeycomb=(e,t)=>{const n=ux(co(e,"xy"),t);return Math.min(n[0],n[1])};nt.implicit_square_honeycomb_reinforced=(e,t,n,r,o)=>{const i=co(e,"xy"),s=ux(i,t),a=Math.min(s[0],s[1]),l=ng(i,t),c=Math.PI*n;let u=Math.abs(nt.implicit_plane2(l,pr(0),pr(Math.cos(c),Math.sin(c))));if(o>.5){const f=Math.PI*r,m=Math.abs(nt.implicit_plane2(l,pr(0),pr(Math.cos(f),Math.sin(f))));u=Math.min(u,m)}return Math.min(a,u)};nt.implicit_square_diagonal_honeycomb=(e,t)=>{const n=pr(t[0]+t[1]),r=ng(co(e,"xy"),n),o=Math.abs(nt.implicit_plane2(r,pr(0),pr(t[1],t[0]))),i=Math.abs(nt.implicit_plane2(r,pr(0),pr(t[1],-t[0])));return Math.min(o,i)};nt.implicit_octet_honeycomb=(e,t)=>{const n=co(e,"xy"),r=nt.implicit_square_honeycomb(e,t),o=KE(n,t),i=Math.min(o[0],o[1]),s=oo(t)*.5,a=pr((n[0]+n[1])/1.4142135623730951,(n[0]-n[1])/1.4142135623730951),l=KE(a,pr(s));return Math.min(Math.min(r,i),Math.min(l[0],l[1]))};nt.implicit_hexagonal_honeycomb=(e,t,n)=>{const r=co(e,"xy"),o=ot(t,.5),i=ot(t,.25),s=pr(0,(1-n)*o[1]),a=pr(o[0],n*o[1]),l=A0(ng(r,t)),c=pr(l[0]-o[0],o[1]-l[1]),u=Math.min(nt.implicit_line_segment2(l,s,pr(0,t[1])),Math.min(nt.implicit_line_segment2(l,s,a),nt.implicit_line_segment2(l,s,pr(-a[0],a[1])))),f=Math.min(nt.implicit_line_segment2(c,s,pr(0,t[1])),Math.min(nt.implicit_line_segment2(c,s,a),nt.implicit_line_segment2(c,s,pr(-a[0],a[1]))));return l[0]<i[0]?u:f};nt.implicit_triangular_honeycomb=(e,t)=>{const n=A0(ng(co(e,"xy"),t)),r=ot(t,.5),o=ot(t,.25),i=pr(0,1),s=If(pr(t[1],t[0])),a=If(pr(t[1],-t[0])),l=Math.min(Math.abs(Un(n,i)),Math.min(Math.abs(Un(n,s)),Math.abs(Un(n,a)))),c=on(n,r),u=Math.min(Math.abs(Un(c,i)),Math.min(Math.abs(Un(c,s)),Math.abs(Un(c,a))));return n[1]<o[1]?l:u};const gp=new Set(["float","int","bool","vec2","vec3","vec4"]),XS=new Set(["const","highp","mediump","lowp","in","out","inout","uniform","varying"]),wY=["<=",">=","==","!=","&&","||","+=","-=","*=","/=","++","--"];function vY(e){return String(e||"").replace(/\/\*[\s\S]*?\*\//g,"").replace(/\/\/.*$/gm,"")}function Fk(e){const t=[],n=vY(e);let r=0;for(;r<n.length;){const o=n[r];if(/\s/.test(o)){r+=1;continue}const i=n.slice(r).match(/^(?:\d+\.\d*|\.\d+|\d+)(?:[eE][+-]?\d+)?/);if(i){t.push({type:"number",value:Number(i[0])}),r+=i[0].length;continue}const s=n.slice(r).match(/^[A-Za-z_][A-Za-z0-9_]*/);if(s){t.push({type:"identifier",value:s[0]}),r+=s[0].length;continue}const a=wY.find(l=>n.startsWith(l,r));if(a){t.push({type:"operator",value:a}),r+=a.length;continue}t.push({type:"punct",value:o}),r+=1}return t}class jk{constructor(t){this.tokens=t,this.index=0}peek(t=0){return this.tokens[this.index+t]||null}consume(t=null){const n=this.peek();if(!n)throw new Error(`Expected ${t||"token"}, reached end of GLSL source`);if(t!==null&&n.value!==t)throw new Error(`Expected ${t}, got ${n.value}`);return this.index+=1,n}match(t){return this.peek()?.value===t?(this.index+=1,!0):!1}skipQualifiers(){const 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  return clamp(value, 0.0, 1.0);
}

float implicit_linear_map(float value, float inMin, float inMax, float outMin, float outMax) {
  float slope = (outMax - outMin) / (inMax - inMin);
  return (value - inMin) * slope + outMin;
}

float implicit_ramp(float value, float inMin, float inMax, float outMin, float outMax) {
  return clamp(implicit_linear_map(value, inMin, inMax, outMin, outMax), outMin, outMax);
}

float implicit_two_body_field(float a, float b) {
  return (a - b) / (a + b);
}

float implicit_two_body_polar(float a, float b, float angle) {
  return a * cos(angle) + b * sin(angle);
}

float implicit_triangle_wave_even(float value, float period) {
  float halfPeriod = period * 0.5;
  float quarterPeriod = period * 0.25;
  float wrapped = mod(value + halfPeriod, period);
  return quarterPeriod - abs(wrapped - halfPeriod);
}

vec2 implicit_triangle_wave_even(vec2 value, vec2 period) {
  return vec2(
    implicit_triangle_wave_even(value.x, period.x),
    implicit_triangle_wave_even(value.y, period.y)
  );
}

vec3 implicit_triangle_wave_even(vec3 value, vec3 period) {
  return vec3(
    implicit_triangle_wave_even(value.x, period.x),
    implicit_triangle_wave_even(value.y, period.y),
    implicit_triangle_wave_even(value.z, period.z)
  );
}

float implicit_triangle_wave_even_positive(float value, float period) {
  return implicit_triangle_wave_even(value, period) + period * 0.25;
}

vec2 implicit_triangle_wave_even_positive(vec2 value, vec2 period) {
  return vec2(
    implicit_triangle_wave_even_positive(value.x, period.x),
    implicit_triangle_wave_even_positive(value.y, period.y)
  );
}

vec3 implicit_triangle_wave_even_positive(vec3 value, vec3 period) {
  return vec3(
    implicit_triangle_wave_even_positive(value.x, period.x),
    implicit_triangle_wave_even_positive(value.y, period.y),
    implicit_triangle_wave_even_positive(value.z, period.z)
  );
}

float implicit_triangle_wave_odd(float value, float period) {
  return implicit_triangle_wave_even(value - period * 0.5, period);
}

vec2 implicit_triangle_wave_odd(vec2 value, vec2 period) {
  return vec2(
    implicit_triangle_wave_odd(value.x, period.x),
    implicit_triangle_wave_odd(value.y, period.y)
  );
}

vec3 implicit_triangle_wave_odd(vec3 value, vec3 period) {
  return vec3(
    implicit_triangle_wave_odd(value.x, period.x),
    implicit_triangle_wave_odd(value.y, period.y),
    implicit_triangle_wave_odd(value.z, period.z)
  );
}

float implicit_triangle_wave_odd_positive(float value, float period) {
  return implicit_triangle_wave_odd(value, period) + period * 0.25;
}

vec2 implicit_triangle_wave_odd_positive(vec2 value, vec2 period) {
  return vec2(
    implicit_triangle_wave_odd_positive(value.x, period.x),
    implicit_triangle_wave_odd_positive(value.y, period.y)
  );
}

vec3 implicit_triangle_wave_odd_positive(vec3 value, vec3 period) {
  return vec3(
    implicit_triangle_wave_odd_positive(value.x, period.x),
    implicit_triangle_wave_odd_positive(value.y, period.y),
    implicit_triangle_wave_odd_positive(value.z, period.z)
  );
}

vec2 implicit_repeat_centered(vec2 p, vec2 period) {
  return mod(p + period * 0.5, period) - period * 0.5;
}

vec3 implicit_repeat_centered(vec3 p, vec3 period) {
  return mod(p + period * 0.5, period) - period * 0.5;
}

float implicit_intersect_sharp(float a, float b) {
  return max(a, b);
}

float implicit_union_sharp(float a, float b) {
  return min(a, b);
}

float implicit_intersect_round(float a, float b, float radius) {
  float k = max(radius, 0.0);
  vec2 q = max(vec2(a, b) + k, 0.0);
  return min(-k, max(a, b)) + length(q);
}

float implicit_union_round(float a, float b, float radius) {
  return -implicit_intersect_round(-a, -b, radius);
}

float implicit_intersect_chamfer(float a, float b, float radius) {
  return max(max(a, b), (a + b + radius) * 0.7071067811865476);
}

float implicit_union_chamfer(float a, float b, float radius) {
  return -implicit_intersect_chamfer(-a, -b, radius);
}

float implicit_intersect_exp(float a, float b, float radius) {
  float k = max(radius, 1.0e-6) * 0.5;
  return k * log(exp(a / k) + exp(b / k));
}

float implicit_union_exp(float a, float b, float radius) {
  return -implicit_intersect_exp(-a, -b, radius);
}

float implicit_intersect_lp_norm(float a, float b, float radius, float normPower) {
  float k = max(radius, 0.0);
  float p = max(normPower, 1.0e-6);
  vec2 q = max(vec2(a, b) + k, 0.0);
  return min(-k, max(a, b)) + pow(pow(q.x, p) + pow(q.y, p), 1.0 / p);
}

float implicit_union_lp_norm(float a, float b, float radius, float normPower) {
  return -implicit_intersect_lp_norm(-a, -b, radius, normPower);
}

float implicit_intersect_rvachev(float a, float b, float radius) {
  float sharp = max(a, b);
  float k = max(radius, 0.0);
  if (k <= 0.0) {
    return sharp;
  }
  float r0 = a + b - sqrt(a * a + b * b);
  float t = clamp((sharp + k) / k, 0.0, 1.0);
  float s = t * t * (3.0 - 2.0 * t);
  return sharp < -k ? sharp : mix(sharp, r0, s);
}

float implicit_union_rvachev(float a, float b, float radius) {
  return -implicit_intersect_rvachev(-a, -b, radius);
}

float implicit_plane2(vec2 p, vec2 origin, vec2 normal) {
  vec2 n = normalize(normal);
  return dot(p - origin, n);
}

float implicit_line_segment2(vec2 p, vec2 a, vec2 b) {
  vec2 segment = b - a;
  float segmentLengthSq = dot(segment, segment);
  if (segmentLengthSq < 1.0e-12) {
    return length(p - a);
  }
  float t = clamp(dot(p - a, segment) / segmentLengthSq, 0.0, 1.0);
  return length(p - (a + t * segment));
}

float implicit_sphere(vec3 p, vec3 center, float radius) {
  return length(p - center) - radius;
}

float implicit_box_centered(vec3 p, vec3 size, vec3 center) {
  vec3 q = abs(p - center) - size * 0.5;
  return length(max(q, 0.0)) + min(max(q.x, max(q.y, q.z)), 0.0);
}

float implicit_plane(vec3 p, vec3 origin, vec3 normal) {
  vec3 n = normalize(normal);
  return dot(p - origin, n);
}

float implicit_line_segment(vec3 p, vec3 a, vec3 b) {
  vec3 segment = b - a;
  float segmentLengthSq = dot(segment, segment);
  if (segmentLengthSq < 1.0e-12) {
    return length(p - a);
  }
  float t = clamp(dot(p - a, segment) / segmentLengthSq, 0.0, 1.0);
  return length(p - (a + t * segment));
}

float implicit_torus(vec3 p, float majorRadius, float minorRadius) {
  vec2 q = vec2(length(p.xy) - majorRadius, p.z);
  return length(q) - minorRadius;
}

float implicit_axis(vec3 p, vec3 origin, vec3 direction) {
  float directionLength = length(direction);
  if (directionLength < 1.0e-12) {
    return length(p - origin);
  }
  vec3 axis = direction / directionLength;
  vec3 toPoint = p - origin;
  return length(toPoint - dot(toPoint, axis) * axis);
}

float implicit_cylinder(vec3 p, vec3 origin, vec3 direction, float radius) {
  return implicit_axis(p, origin, direction) - radius;
}

float implicit_cylinder_capped(vec3 p, vec3 a, vec3 b, float radius) {
  vec3 axis = b - a;
  float side = implicit_cylinder(p, a, axis, radius);
  float capA = -implicit_plane(p, a, axis);
  float capB = implicit_plane(p, b, axis);
  return max(side, max(capA, capB));
}

float implicit_capsule(vec3 p, vec3 a, vec3 b, float radius) {
  return implicit_line_segment(p, a, b) - radius;
}

float implicit_cone_capsule(vec3 p, vec3 a, vec3 b, float radiusA, float radiusB) {
  vec3 axis = b - a;
  float axisLengthSq = dot(axis, axis);
  if (axisLengthSq < 1.0e-12) {
    return implicit_sphere(p, a, radiusA);
  }
  float t = clamp(dot(p - a, axis) / axisLengthSq, 0.0, 1.0);
  float radius = mix(radiusA, radiusB, t);
  return length(p - (a + t * axis)) - radius;
}

float implicit_cone(vec3 p, vec3 apex, vec3 direction, float halfAngle) {
  float directionLength = length(direction);
  if (directionLength < 1.0e-12) {
    return length(p - apex);
  }
  vec3 axis = direction / directionLength;
  vec3 toPoint = p - apex;
  float axial = dot(toPoint, axis);
  float perpendicular = length(toPoint - axial * axis);
  return perpendicular - axial * tan(halfAngle);
}

float implicit_cone_capped(vec3 p, vec3 a, vec3 b, float radiusA, float radiusB) {
  vec3 axis = b - a;
  float axisLength = length(axis);
  if (axisLength < 1.0e-12) {
    return implicit_sphere(p, a, radiusA);
  }
  float halfAngle = atan(abs(radiusB - radiusA), axisLength);
  float coneDistance = radiusA < radiusB
    ? implicit_cone(p, a, axis, halfAngle) - radiusA
    : implicit_cone(p, b, -axis, halfAngle) - radiusB;
  float capA = -implicit_plane(p, a, axis);
  float capB = implicit_plane(p, b, axis);
  return max(coneDistance, max(capA, capB));
}

float implicit_shell(float distanceValue, float thickness, float bias) {
  float halfThickness = thickness * 0.5;
  return abs(distanceValue + bias * halfThickness) - halfThickness;
}

vec3 implicit_rotate_axis(vec3 p, vec3 origin, vec3 direction, float angle) {
  vec3 k = normalize(direction);
  vec3 local = p - origin;
  float c = cos(angle);
  float s = sin(angle);
  return origin + local * c + cross(k, local) * s + k * dot(k, local) * (1.0 - c);
}

vec3 implicit_remap_cylindrical(vec3 p, float circumference) {
  float radial = length(p.xy);
  float theta = atan(p.y, p.x);
  return vec3(radial, theta * (circumference / 6.283185307179586), p.z);
}

float implicit_tpms_gyroid(vec3 p, vec3 period, vec3 drop) {
  vec3 xyz = p * (6.283185307179586 / period);
  vec3 yzx = xyz.yzx;
  float field = dot(drop, sin(xyz) * cos(yzx));
  return field * (period.x + period.y + period.z) / 18.0;
}

float implicit_tpms_schwarz(vec3 p, vec3 period, vec3 drop, float gyroidBlend) {
  vec3 xyz = p * (6.283185307179586 / period);
  vec3 yzx = xyz.yzx;
  vec3 mixTerm = vec3(-(1.0 - gyroidBlend)) + sin(xyz) * gyroidBlend;
  float field = dot(drop, cos(yzx) * mixTerm);
  return field * (period.x + period.y + period.z) / 36.0;
}

float implicit_tpms_diamond(vec3 p, vec3 period, vec3 drop, float gyroidBlend) {
  vec3 xyz = p * (6.283185307179586 / period);
  vec3 yzx = xyz.yzx;
  vec3 zxy = xyz.zxy;
  vec3 sinXyz = sin(xyz);
  vec3 cosYzx = cos(yzx);
  vec3 cosZxy = cos(zxy);
  float blendFactor = 1.0 - gyroidBlend;
  float term1 = blendFactor * sinXyz.x * sinXyz.y * sinXyz.z;
  float term2 = dot(drop, sinXyz * cosYzx * (cosZxy * blendFactor + vec3(gyroidBlend)));
  return (term1 + term2) * (period.x + period.y + period.z) / (6.0 * 2.8284271247461903 * 2.0);
}

float implicit_tpms_lidinoid(vec3 p, vec3 period, vec3 drop, float gyroidBlend) {
  vec3 xyz = p * (6.283185307179586 / period);
  vec3 yzx = xyz.yzx;
  vec3 zxy = xyz.zxy;
  vec3 cos2Xyz = cos(2.0 * xyz);
  vec3 cos2Yzx = cos2Xyz.yzx;
  float blendFactor = 1.0 - gyroidBlend;
  float term1 = dot(drop, sin(zxy) * cos(yzx) * (sin(2.0 * xyz) * blendFactor + vec3(gyroidBlend)));
  float term2 = blendFactor * dot(cos2Xyz, cos2Yzx);
  return (term1 - term2) * (period.x + period.y + period.z) / 72.0;
}

float implicit_tpms_neovius(vec3 p, vec3 period, vec3 drop, float schwarzBlend) {
  vec3 xyz = p * (6.283185307179586 / period);
  vec3 cosDrop = cos(xyz) * drop;
  float term1 = -dot(cosDrop, vec3(1.0));
  float term2 = (1.0 - schwarzBlend) * (4.0 / 3.0) * cosDrop.x * cosDrop.y * cosDrop.z;
  return (term1 - term2) * (period.x + period.y + period.z) / (6.0 * (26.0 / 3.0));
}

float implicit_tpms_split_p(vec3 p, vec3 period, float lidinoidBlend, float gyroidOctave, float schwarzOctave) {
  vec3 xyz = p * (6.283185307179586 / period);
  vec3 yzx = xyz.yzx;
  vec3 zxy = xyz.zxy;
  vec3 sin2Xyz = sin(2.0 * xyz);
  vec3 cos2Xyz = cos(2.0 * xyz);
  float term1 = -lidinoidBlend * dot(sin2Xyz * cos(yzx) * sin(zxy), vec3(1.0));
  float term2 = gyroidOctave * dot(sin2Xyz * cos2Xyz, vec3(1.0));
  float term3 = schwarzOctave * dot(cos2Xyz, vec3(1.0));
  return (term1 + term2 + term3) * (period.x + period.y + period.z) / 36.0;
}

float implicit_tpms_iwp(vec3 p, vec3 period, vec3 drop) {
  vec3 xyz = p * (6.283185307179586 / period);
  vec3 yzx = xyz.yzx;
  float term1 = 2.0 * dot(drop * cos(xyz) * cos(yzx), vec3(1.0));
  float term2 = dot(cos(2.0 * xyz), vec3(1.0));
  return (term1 - term2) * (period.x + period.y + period.z) / 48.0;
}

float implicit_cubic_grid(vec3 p, vec3 size) {
  vec3 d = implicit_triangle_wave_even_positive(p, size);
  return min(d.x, min(d.y, d.z));
}

float implicit_square_honeycomb(vec3 p, vec2 size) {
  vec2 d = implicit_triangle_wave_even_positive(p.xy, size);
  return min(d.x, d.y);
}

float implicit_square_honeycomb_reinforced(vec3 p, vec2 size, float rotation, float rotation2, float hasRotation2) {
  vec2 pxy = p.xy;
  vec2 grid = implicit_triangle_wave_even_positive(pxy, size);
  float squareGrid = min(grid.x, grid.y);
  vec2 repeated = implicit_repeat_centered(pxy, size);
  float angle = 3.141592653589793 * rotation;
  float diagonal = abs(implicit_plane2(repeated, vec2(0.0), vec2(cos(angle), sin(angle))));
  if (hasRotation2 > 0.5) {
    float angle2 = 3.141592653589793 * rotation2;
    float diagonal2 = abs(implicit_plane2(repeated, vec2(0.0), vec2(cos(angle2), sin(angle2))));
    diagonal = min(diagonal, diagonal2);
  }
  return min(squareGrid, diagonal);
}

float implicit_square_diagonal_honeycomb(vec3 p, vec2 size) {
  vec2 period = vec2(size.x + size.y);
  vec2 repeated = implicit_repeat_centered(p.xy, period);
  float positive = abs(implicit_plane2(repeated, vec2(0.0), vec2(size.y, size.x)));
  float negative = abs(implicit_plane2(repeated, vec2(0.0), vec2(size.y, -size.x)));
  return min(positive, negative);
}

float implicit_octet_honeycomb(vec3 p, vec2 size) {
  vec2 pxy = p.xy;
  float square = implicit_square_honeycomb(p, size);
  vec2 oddGrid = implicit_triangle_wave_odd_positive(pxy, size);
  float planeGrid = min(oddGrid.x, oddGrid.y);
  float diagonalPeriod = length(size) * 0.5;
  vec2 rotated = vec2((pxy.x + pxy.y) / 1.4142135623730951, (pxy.x - pxy.y) / 1.4142135623730951);
  vec2 diagonal = implicit_triangle_wave_odd_positive(rotated, vec2(diagonalPeriod));
  return min(min(square, planeGrid), min(diagonal.x, diagonal.y));
}

float implicit_hexagonal_honeycomb(vec3 p, vec2 size, float setback) {
  vec2 pxy = p.xy;
  vec2 halfSize = size * 0.5;
  vec2 quarterSize = size * 0.25;
  vec2 starCenter = vec2(0.0, (1.0 - setback) * halfSize.y);
  vec2 transition = vec2(halfSize.x, setback * halfSize.y);
  vec2 folded = abs(implicit_repeat_centered(pxy, size));
  vec2 reflected = vec2(folded.x - halfSize.x, halfSize.y - folded.y);

  float foldedStar = min(
    implicit_line_segment2(folded, starCenter, vec2(0.0, size.y)),
    min(
      implicit_line_segment2(folded, starCenter, transition),
      implicit_line_segment2(folded, starCenter, vec2(-transition.x, transition.y))
    )
  );
  float reflectedStar = min(
    implicit_line_segment2(reflected, starCenter, vec2(0.0, size.y)),
    min(
      implicit_line_segment2(reflected, starCenter, transition),
      implicit_line_segment2(reflected, starCenter, vec2(-transition.x, transition.y))
    )
  );
  return folded.x < quarterSize.x ? foldedStar : reflectedStar;
}

float implicit_triangular_honeycomb(vec3 p, vec2 size) {
  vec2 folded = abs(implicit_repeat_centered(p.xy, size));
  vec2 halfSize = size * 0.5;
  vec2 quarterSize = size * 0.25;
  vec2 normalH = vec2(0.0, 1.0);
  vec2 normalP60 = normalize(vec2(size.y, size.x));
  vec2 normalN60 = normalize(vec2(size.y, -size.x));
  float foldedStar = min(
    abs(dot(folded, normalH)),
    min(abs(dot(folded, normalP60)), abs(dot(folded, normalN60)))
  );
  vec2 shifted = folded - halfSize;
  float shiftedStar = min(
    abs(dot(shifted, normalH)),
    min(abs(dot(shifted, normalP60)), abs(dot(shifted, normalN60)))
  );
  return folded.y < quarterSize.y ? foldedStar : shiftedStar;
}`;function PX(e){const t=Math.max(16,Math.min(Math.floor(bt(e.maxSteps,192)),768)),n=e.uniforms&&typeof e.uniforms=="object"?e.uniforms:{},r=uX(n),o=vX(e.glslSource||e.distanceSource),i=/\bvec3\s+color\s*\(\s*vec3\s+\w+\s*,\s*vec3\s+\w+\s*\)/.test(o);return`
precision highp float;

uniform vec2 uResolution;
uniform vec3 uCameraPosition;
uniform mat4 uCameraWorld;
uniform mat4 uProjectionInverse;
uniform vec3 uBoundsMin;
uniform vec3 uBoundsMax;
uniform vec3 uSurfaceColor;
uniform vec3 uBackgroundColor;
uniform vec3 uBackgroundColorA;
uniform vec3 uBackgroundColorB;
uniform float uBackgroundMode;
uniform float uBackgroundAngle;
uniform float uBackgroundAlpha;
uniform float uPaintBackground;
uniform float uOrthographic;
uniform float uUseProceduralColor;
uniform float uHitEpsilon;
uniform float uNormalEpsilon;
uniform float uMaxDistance;
uniform float uStepScale;
uniform float uMaxStep;
uniform float uStepBudget;
uniform float uShadowStrength;
uniform float uAmbientOcclusionStrength;
uniform float uRimStrength;
uniform float uExposure;
uniform vec3 uHemiSky;
uniform vec3 uHemiGround;
uniform vec3 uAmbientLight;
uniform vec3 uKeyColor;
uniform vec3 uKeyDir;
uniform vec3 uFillColor;
uniform vec3 uFillDir;
uniform vec3 uBounceColor;
uniform vec3 uBounceDir;
uniform vec3 uRimColor;
uniform float uFloorEnabled;
uniform float uFloorShadowOpacity;
uniform float uFloorZ;
uniform vec2 uFloorCenter;
uniform float uFloorFadeRadius;
${r}
varying vec2 vUv;

const int IMPLICIT_MAX_STEPS = ${t};

${RX}

${o}

float implicit_distance(vec3 p) {
  return sdf(p);
}

vec3 implicit_color(vec3 p, vec3 normal) {
  ${i?"return clamp(color(p, normal), vec3(0.0), vec3(1.0));":"return vec3(1.0);"}
}

float implicit_scene_sdf(vec3 p) {
  return implicit_distance(p);
}

vec2 implicit_ray_slab(float origin, float direction, float boundsMin, float boundsMax) {
  if (abs(direction) < 1.0e-8) {
    return origin < boundsMin || origin > boundsMax
      ? vec2(1.0, -1.0)
      : vec2(-1.0e20, 1.0e20);
  }
  float invDirection = 1.0 / direction;
  float nearPlane = (boundsMin - origin) * invDirection;
  float farPlane = (boundsMax - origin) * invDirection;
  return vec2(min(nearPlane, farPlane), max(nearPlane, farPlane));
}

vec2 implicit_ray_bounds(vec3 origin, vec3 direction, vec3 boundsMin, vec3 boundsMax) {
  vec2 x = implicit_ray_slab(origin.x, direction.x, boundsMin.x, boundsMax.x);
  vec2 y = implicit_ray_slab(origin.y, direction.y, boundsMin.y, boundsMax.y);
  vec2 z = implicit_ray_slab(origin.z, direction.z, boundsMin.z, boundsMax.z);
  float tMin = max(max(x.x, y.x), z.x);
  float tMax = min(min(x.y, y.y), z.y);
  return vec2(tMin, tMax);
}

vec3 implicit_estimate_normal(vec3 p) {
  float e = uNormalEpsilon;
  vec2 k = vec2(1.0, -1.0);
  return normalize(
    k.xyy * implicit_scene_sdf(p + k.xyy * e) +
    k.yyx * implicit_scene_sdf(p + k.yyx * e) +
    k.yxy * implicit_scene_sdf(p + k.yxy * e) +
    k.xxx * implicit_scene_sdf(p + k.xxx * e)
  );
}

float implicit_ambient_occlusion(vec3 p, vec3 normal) {
  float occlusion = 0.0;
  float scale = 1.0;
  for (int sampleIndex = 1; sampleIndex <= 5; sampleIndex += 1) {
    float distanceAlongNormal = 0.018 * float(sampleIndex) * uMaxDistance;
    float sampled = implicit_scene_sdf(p + normal * distanceAlongNormal);
    occlusion += (distanceAlongNormal - sampled) * scale;
    scale *= 0.58;
  }
  // Gentler floor than a typical raymarcher: the mesh viewer has no SSAO, so
  // heavy AO reads as "implicit models render darker".
  return clamp(1.0 - 0.045 * occlusion, 0.62, 1.0);
}

float implicit_soft_shadow(vec3 origin, vec3 direction, float maxDistance) {
  // Tight penumbra and a higher floor keep self-shadowing close to the mesh
  // viewer's crisp PCF shadows instead of dimming broad surface areas.
  float shadow = 1.0;
  float t = uHitEpsilon * 8.0;
  for (int shadowStep = 0; shadowStep < 28; shadowStep += 1) {
    if (t >= maxDistance) {
      break;
    }
    float h = implicit_scene_sdf(origin + direction * t);
    if (h < uHitEpsilon) {
      return 0.32;
    }
    shadow = min(shadow, 22.0 * h / t);
    t += clamp(h, uHitEpsilon * 3.0, maxDistance * 0.08);
  }
  return clamp(shadow, 0.32, 1.0);
}

vec3 implicit_srgb_to_linear(vec3 c) {
  c = clamp(c, vec3(0.0), vec3(1.0));
  vec3 low = c / 12.92;
  vec3 high = pow((c + 0.055) / 1.055, vec3(2.4));
  return mix(low, high, step(vec3(0.04045), c));
}

vec3 implicit_linear_to_srgb(vec3 c) {
  c = clamp(c, vec3(0.0), vec3(1.0));
  vec3 low = c * 12.92;
  vec3 high = 1.055 * pow(c, vec3(1.0 / 2.4)) - 0.055;
  return mix(low, high, step(vec3(0.0031308), c));
}

// THREE.js ACESFilmicToneMapping port so implicit shading matches the mesh
// viewer's renderer output transform.
vec3 implicit_rrt_odt_fit(vec3 v) {
  vec3 a = v * (v + 0.0245786) - 0.000090537;
  vec3 b = v * (0.983729 * v + 0.4329510) + 0.238081;
  return a / b;
}

vec3 implicit_aces_tone_map(vec3 color) {
  const mat3 acesInput = mat3(
    vec3(0.59719, 0.07600, 0.02840),
    vec3(0.35458, 0.90834, 0.13383),
    vec3(0.04823, 0.01566, 0.83777)
  );
  const mat3 acesOutput = mat3(
    vec3(1.60475, -0.10208, -0.00327),
    vec3(-0.53108, 1.10813, -0.07276),
    vec3(-0.07367, -0.00605, 1.07602)
  );
  color *= 1.0 / 0.6;
  color = acesInput * color;
  color = implicit_rrt_odt_fit(color);
  color = acesOutput * color;
  return clamp(color, vec3(0.0), vec3(1.0));
}

// Sharper than implicit_soft_shadow so the stage shadow stays a tight contact
// shadow like the mesh viewer's PCF shadow map instead of a broad blob.
float implicit_floor_shadow(vec3 origin, vec3 direction, float maxDistance) {
  float shadow = 1.0;
  float t = uHitEpsilon * 8.0;
  for (int shadowStep = 0; shadowStep < 32; shadowStep += 1) {
    if (t >= maxDistance) {
      break;
    }
    float h = implicit_scene_sdf(origin + direction * t);
    if (h < uHitEpsilon) {
      return 0.0;
    }
    shadow = min(shadow, 30.0 * h / t);
    t += clamp(h, uHitEpsilon * 3.0, maxDistance * 0.05);
  }
  return clamp(shadow, 0.0, 1.0);
}

// How much a ray that misses the model is darkened by the stage-floor shadow,
// matching the mesh viewer's shadow-catcher plane under the part. 0 = unshadowed.
float implicit_floor_shadow_strength(vec3 rayOrigin, vec3 rayDirection) {
  float shadowStrength = clamp(uShadowStrength, 0.0, 1.0);
  if (uFloorEnabled < 0.5 || shadowStrength < 0.001 || rayDirection.z > -1.0e-5) {
    return 0.0;
  }
  float tFloor = (uFloorZ - rayOrigin.z) / rayDirection.z;
  if (tFloor <= 0.0) {
    return 0.0;
  }
  vec3 floorPoint = rayOrigin + rayDirection * tFloor;
  float fade = 1.0 - smoothstep(uFloorFadeRadius * 0.5, uFloorFadeRadius, length(floorPoint.xy - uFloorCenter));
  if (fade < 0.002) {
    return 0.0;
  }
  vec3 shadowOrigin = vec3(floorPoint.xy, uFloorZ + max(uHitEpsilon * 6.0, uFloorFadeRadius * 0.0001));
  float lit = implicit_floor_shadow(shadowOrigin, uKeyDir, uFloorFadeRadius * 1.5);
  float occlusion = clamp(1.0 - lit, 0.0, 1.0);
  return occlusion * fade * clamp(uFloorShadowOpacity, 0.0, 1.0) * shadowStrength;
}

// A miss either paints this pass's own background (standalone renderers: the
// snapshot CLI and renderImplicitCadToDataUrl) or leaves the pixel to whatever
// is already in the framebuffer (the CAD Viewer, where the shared scene draws
// the themed background, grid and stage floor and this pass composites over
// them). In the composited case the shadow is emitted as black-with-alpha, so
// ordinary blending darkens the floor underneath exactly as multiplying the
// background used to.
vec4 implicit_miss_color(vec3 backgroundColor, vec3 rayOrigin, vec3 rayDirection) {
  float strength = implicit_floor_shadow_strength(rayOrigin, rayDirection);
  if (uPaintBackground > 0.5) {
    return vec4(backgroundColor * (1.0 - strength), uBackgroundAlpha);
  }
  return vec4(0.0, 0.0, 0.0, strength);
}

vec3 implicit_background_color(vec2 uv) {
  if (uBackgroundMode < 0.5) {
    return uBackgroundColor;
  }
  // NOTE: this backdrop only paints in HEADLESS/standalone implicit renders. In the viewer
  // the raymarch pass composites over the shared stage, so the on-screen backdrop comes
  // from cadjs/lib/viewer/stageTheme.js and these ramps are not what you are looking at.
  // The two do NOT agree: the canvas path ramps linearly between stops (radial 0.1 -> 0.75
  // of the texture width), this one uses a smoothstep over 0..0.72. See the theme
  // conformance section of viewer/docs/render-types.md before changing either.
  if (uBackgroundMode < 1.5) {
    vec2 direction = normalize(vec2(cos(uBackgroundAngle), sin(uBackgroundAngle)));
    float t = dot(uv - vec2(0.5), direction) * 0.7071067811865476 + 0.5;
    return mix(uBackgroundColorA, uBackgroundColorB, clamp(t, 0.0, 1.0));
  }
  float radial = smoothstep(0.0, 0.72, length(uv - vec2(0.5)));
  return mix(uBackgroundColorA, uBackgroundColorB, radial);
}

// Perspective and orthographic are opposite constructions, and the difference is the
// whole reason an implicit could not render under an ortho camera: a pinhole fans ONE
// origin into per-pixel directions, while a parallel projection shares ONE direction
// across per-pixel origins. Feeding an ortho projection matrix to the pinhole path
// yields garbage directions, and the model vanishes.
struct ImplicitRay {
  vec3 origin;
  vec3 direction;
};

ImplicitRay implicit_camera_ray(vec2 uv) {
  vec2 ndc = uv * 2.0 - 1.0;
  vec4 clip = vec4(ndc, -1.0, 1.0);
  vec4 view = uProjectionInverse * clip;
  ImplicitRay ray;
  if (uOrthographic > 0.5) {
    // Unproject to a point on the near plane, then march along the camera's forward
    // axis: every ray is parallel, offset across the image plane.
    vec3 viewPoint = view.xyz / max(abs(view.w), 1.0e-6);
    ray.origin = (uCameraWorld * vec4(viewPoint.xy, viewPoint.z, 1.0)).xyz;
    ray.direction = normalize(-uCameraWorld[2].xyz);
    return ray;
  }
  ray.origin = uCameraPosition;
  ray.direction = normalize((uCameraWorld * vec4(view.xy, -1.0, 0.0)).xyz);
  return ray;
}

void main() {
  vec2 screenUv = gl_FragCoord.xy / uResolution;
  vec3 backgroundColor = implicit_background_color(screenUv);
  ImplicitRay cameraRay = implicit_camera_ray(screenUv);
  vec3 rayOrigin = cameraRay.origin;
  vec3 rayDirection = cameraRay.direction;
  vec2 boundsHit = implicit_ray_bounds(rayOrigin, rayDirection, uBoundsMin, uBoundsMax);
  float t = max(boundsHit.x, 0.0);
  float tEnd = min(boundsHit.y, uMaxDistance);
  if (boundsHit.x > boundsHit.y || tEnd < 0.0) {
    gl_FragColor = implicit_miss_color(backgroundColor, rayOrigin, rayDirection);
    return;
  }

  bool hit = false;
  float previousT = t;
  vec3 p = rayOrigin;
  for (int stepIndex = 0; stepIndex < IMPLICIT_MAX_STEPS; stepIndex += 1) {
    if (float(stepIndex) >= uStepBudget) {
      break;
    }
    previousT = t;
    p = rayOrigin + rayDirection * t;
    float distanceValue = implicit_scene_sdf(p);
    float hitEpsilon = max(uHitEpsilon, t * 0.00028);
    if (distanceValue < hitEpsilon) {
      hit = true;
      break;
    }
    float stepDistance = max(distanceValue * uStepScale, uHitEpsilon * 0.25);
    t += min(stepDistance, uMaxStep);
    if (t > tEnd) {
      break;
    }
  }

  if (!hit) {
    gl_FragColor = implicit_miss_color(backgroundColor, rayOrigin, rayDirection);
    return;
  }

  float refineNear = previousT;
  float refineFar = t;
  for (int refineIndex = 0; refineIndex < 5; refineIndex += 1) {
    float mid = (refineNear + refineFar) * 0.5;
    float midDistance = implicit_scene_sdf(rayOrigin + rayDirection * mid);
    if (midDistance > 0.0) {
      refineNear = mid;
    } else {
      refineFar = mid;
    }
  }
  p = rayOrigin + rayDirection * refineFar;
  vec3 normal = implicit_estimate_normal(p);
  vec3 viewDirection = normalize(rayOrigin - p);
  float shadowStrength = clamp(uShadowStrength, 0.0, 1.0);
  float shadow = 1.0;
  if (shadowStrength > 0.001) {
    shadow = mix(
      1.0,
      implicit_soft_shadow(p + normal * uHitEpsilon * 4.0, uKeyDir, uMaxDistance * 0.55),
      shadowStrength
    );
  }
  float ambientOcclusionStrength = clamp(uAmbientOcclusionStrength, 0.0, 1.0);
  float ao = 1.0;
  if (ambientOcclusionStrength > 0.001) {
    ao = mix(1.0, implicit_ambient_occlusion(p, normal), ambientOcclusionStrength);
  }
  vec3 sourceColor = clamp(implicit_color(p, normal), vec3(0.0), vec3(1.0));
  vec3 surfaceColor = implicit_srgb_to_linear(mix(uSurfaceColor, sourceColor, clamp(uUseProceduralColor, 0.0, 1.0)));
  // Match the mesh viewer's light rig: hemisphere + ambient indirect terms,
  // key/fill/bounce directional terms with a Lambert 1/pi factor, then the
  // same ACES filmic tone mapping and sRGB encode THREE.js applies.
  vec3 irradiance = (mix(uHemiGround, uHemiSky, normal.z * 0.5 + 0.5) + uAmbientLight) * ao;
  irradiance += uKeyColor * clamp(dot(normal, uKeyDir), 0.0, 1.0) * shadow;
  irradiance += uFillColor * clamp(dot(normal, uFillDir), 0.0, 1.0);
  irradiance += uBounceColor * clamp(dot(normal, uBounceDir), 0.0, 1.0);
  vec3 color = surfaceColor * irradiance * 0.3183098861837907;
  float rim = pow(1.0 - clamp(dot(normal, viewDirection), 0.0, 1.0), 2.4);
  color += uRimColor * rim * clamp(uRimStrength, 0.0, 1.0);
  color = implicit_aces_tone_map(color * uExposure);
  color = implicit_linear_to_srgb(color);
  gl_FragColor = vec4(color, 1.0);
}
`}function tD(e){const t=Sm(e);return[t.maxSteps,t.uniformSignature||"",t.glslSource].join(`
---implicit-cad-shader-key---
`)}function OX(){return`
varying vec2 vUv;
void main() {
  vUv = uv;
  gl_Position = vec4(position.xy, 0.0, 1.0);
}
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e.Vector3(...Uu(Wr.directional.position,Wr.directional.position))},uFillColor:{value:new e.Vector3(...Bi(Wr.spot.color,Wr.spot.intensity,"#f4fbff"))},uFillDir:{value:new e.Vector3(...Uu(Wr.spot.position,Wr.spot.position))},uBounceColor:{value:new e.Vector3(...Bi(Wr.point.color,Wr.point.intensity,"#ffe2ba"))},uBounceDir:{value:new e.Vector3(...Uu(Wr.point.position,Wr.point.position))},uRimColor:{value:new e.Vector3(...Bi(Wr.rimColor,Wr.rimIntensity,"#6db6e8"))},uFloorEnabled:{value:1},uFloorShadowOpacity:{value:Wr.floorShadowOpacity},uFloorZ:{value:i.min[2]},uFloorCenter:{value:new e.Vector2((i.min[0]+i.max[0])/2,(i.min[1]+i.max[1])/2)},uFloorFadeRadius:{value:Xk(i)},...r},vertexShader:OX(),fragmentShader:PX(n)});return Object.assign(s.userData,o),s}function DX(e,t,n){if(!t?.uniforms)return;const r=Sm(n);t.uniforms.uBoundsMin&&t.uniforms.uBoundsMin.value.set(...r.bounds.min),t.uniforms.uBoundsMax&&t.uniforms.uBoundsMax.value.set(...r.bounds.max),t.uniforms.uMaxDistance&&(t.uniforms.uMaxDistance.value=r.maxDistance),Zk(t,fA(r,t.userData,{estimate:!1}));for(const[o,i]of Object.entries(r.uniforms||{}))pX(e,t.uniforms[o],i)}function NT({theme:e=Ib,themeSettings:t=null}={}){return t&&typeof t=="object"&&!Array.isArray(t)?Xf(t):Zq({theme:e||Ib},{defaultThemeId:Ib})}function LX(e,t){const n=t?.lighting||{},r=Wr;e.uExposure&&(e.uExposure.value=Math.max(bt(n.toneMappingExposure,r.toneMappingExposure),.05));const o=n.hemisphere||r.hemisphere,i=o.enabled===!1?0:bt(o.intensity,r.hemisphere.intensity);if(e.uHemiSky&&e.uHemiSky.value.set(...Bi(o.skyColor,i,r.hemisphere.skyColor)),e.uHemiGround&&e.uHemiGround.value.set(...Bi(o.groundColor,i,r.hemisphere.groundColor)),e.uAmbientLight){const f=n.ambient||r.ambient,m=f.enabled===!1?0:bt(f.intensity,r.ambient.intensity),p=Bi(f.color,m,r.ambient.color),b=t?.environment||{},y=b.enabled===!1?0:Math.max(bt(b.intensity,0),0)*r.environmentAmbientScale;e.uAmbientLight.value.set(p[0]+y,p[1]+y,p[2]+y)}const s=n.directional||r.directional;if(e.uKeyColor){const f=s.enabled===!1?0:bt(s.intensity,r.directional.intensity);e.uKeyColor.value.set(...Bi(s.color,f,r.directional.color))}e.uKeyDir&&e.uKeyDir.value.set(...Uu(s.position,r.directional.position));const a=n.fill||_c;if(e.uFillColor){const f=a.enabled===!1?0:bt(a.intensity,_c.intensity);e.uFillColor.value.set(...Bi(a.color,f,_c.color))}e.uFillDir&&e.uFillDir.value.set(...Uu(a.position,_c.position));const l=n.point||r.point;if(e.uBounceColor){const f=l.enabled===!1?0:bt(l.intensity,r.point.intensity);e.uBounceColor.value.set(...Bi(l.color,f,r.point.color))}e.uBounceDir&&e.uBounceDir.value.set(...Uu(l.position,r.point.position));const c=n.rim||zu;if(e.uRimColor){const 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n=e?.renderer?.domElement,r=Math.max(1,n?.clientWidth||n?.parentElement?.clientWidth||1),o=Math.max(1,n?.clientHeight||n?.parentElement?.clientHeight||1),i=ED(t),s=lo(i.left,0,Math.max(r-1,0)),a=lo(i.right,0,Math.max(r-s-1,0)),l=lo(i.top,0,Math.max(o-1,0)),c=lo(i.bottom,0,Math.max(o-l-1,0)),u=Math.max(1,r-s-a),f=Math.max(1,o-l-c),m=s+u/2,p=l+f/2;return{width:r,height:o,top:l,right:a,bottom:c,left:s,framedWidth:u,framedHeight:f,aspect:u/f,offsetNdcX:m/r*2-1,offsetNdcY:1-p/o*2}}function cQ(e,t={}){const n=e?.renderer?.domElement,r=jl(e,t),o=Math.max(1,n?.width||r.width),i=Math.max(1,n?.height||r.height),s=o/Math.max(r.width,1),a=i/Math.max(r.height,1),l=Math.round(r.left*s),c=Math.round(r.top*a),u=Math.round(r.right*s),f=Math.round(r.bottom*a);return{x:l,y:c,width:Math.max(1,o-l-u),height:Math.max(1,i-c-f)}}function Tu(e,t={},{updateProjection:n=!0}={}){const r=e?.camera;if(!r?.projectionMatrix?.elements)return;const o=jl(e,t),i=(o.right-o.left)/2,s=(o.bottom-o.top)/2;(Math.abs(i)>1e-6||Math.abs(s)>1e-6)&&typeof r.setViewOffset=="function"?r.setViewOffset(o.width,o.height,i,s,o.width,o.height):typeof r.clearViewOffset=="function"?r.clearViewOffset():n&&r.updateProjectionMatrix(),r.projectionMatrixInverse?.copy&&r.projectionMatrixInverse.copy(r.projectionMatrix).invert()}function em(e,{updateProjection:t=!1}={}){typeof e?.applyCameraFrameInsets=="function"&&e.applyCameraFrameInsets(e,e.frameInsetsRef?.current,{updateProjection:t})}function uQ(e,t,n,r=e.aspect){const o=Math.max(t*AD,ya(n).minModelRadius),i=e.fov*Math.PI/360,s=Math.atan(Math.tan(i)*Math.max(r,.001)),a=Math.max(Math.min(i,s),.001);return o/Math.sin(a)}function ND(e){return Bc(e?.projection||(e?.camera?.isOrthographicCamera?Vr.ORTHOGRAPHIC:Vr.PERSPECTIVE))}function n_(e,t,n){for(const r of[e?.perspectiveCamera,e?.orthographicCamera].filter(Boolean))r.near=t,r.far=n,r.updateProjectionMatrix?.()}function TD(e,t,n={},r=AD){const o=Math.max(e*r,ya(t).minModelRadius),i=Math.max(Number(n.aspect)||1,.001),s=Math.max(Number(n.height)||1,1),a=Math.max(Number(n.framedHeight)||s,1);return o/Math.min(i,1)*(s/a)}function rg(e,t,n=null){const r=e?.orthographicCamera;if(!r?.isOrthographicCamera)return!1;const o=n||jl(e,e?.frameInsetsRef?.current),i=Math.max(Number(t)||0,.001),s=Number(r.userData?.cadHalfHeight),a=Number(r.left),l=Number(r.right),c=Number(r.top),u=Number(r.bottom);return r.userData.cadHalfHeight=i,e.syncCameraViewport?.(r,o.width,o.height),Math.abs((Number.isFinite(s)?s:0)-i)>1e-6||Math.abs((Number.isFinite(a)?a:0)-Number(r.left))>1e-6||Math.abs((Number.isFinite(l)?l:0)-Number(r.right))>1e-6||Math.abs((Number.isFinite(c)?c:0)-Number(r.top))>1e-6||Math.abs((Number.isFinite(u)?u:0)-Number(r.bottom))>1e-6}function dQ(e,t,n,r=null){const o=r||jl(e,e?.frameInsetsRef?.current);return rg(e,TD(t,n,o),o)}function r_(e,t,n,r){const o=e?.camera,i=o?.isPerspectiveCamera?o:e?.perspectiveCamera||o,s=uQ(i,t,n,r.aspect);return o?.isOrthographicCamera?dQ(e,t,n,r):o?.updateProjectionMatrix?.(),Tu(e,e?.frameInsetsRef?.current,{updateProjection:!1}),s}function _D(e,t){const n=e?.camera,r=n?.isPerspectiveCamera?n:e?.perspectiveCamera||n;return IJ({orthographic:n?.isOrthographicCamera===!0,fov:Number(r?.fov)||48,aspect:t?.aspect,height:t?.height,framedHeight:t?.framedHeight})}function RD(e,t=null){if(!e?.camera)return;const n=t||jl(e,e.frameInsetsRef?.current);e.viewportFitScale=_D(e,n)}function fQ(e,t){if(!e||!Number.isFinite(t)||t<=0)return;const n=e.camera?.isOrthographicCamera?"zoomBaseHalfHeight":"zoomBaseDistance",r=Number(e[n]);Number.isFinite(r)&&r>1e-6&&(e[n]=r*t)}function o_(e,t=null){if(!e?.camera)return!1;const n=t||jl(e,e.frameInsetsRef?.current),r=Number(e.viewportFitScale),o=_D(e,n);if(e.viewportFitScale=o,!Number.isFinite(r)||r<=1e-6||!Number.isFinite(o)||o<=1e-6)return!1;const i=o/r;if(Math.abs(i-1)<1e-6)return!1;const s=e.camera;let a=i;if(s.isOrthographicCamera){const l=px(e);if(!l)return!1;const c=Math.max(l*i,.001);a=c/l,rg(e,c,n)}else{const l=e.controls?.target,c=mx(e);if(!l||!c)return!1;const u=Number.isFinite(Number(e.controls?.minDistance))?Number(e.controls.minDistance):.01,f=Number.isFinite(Number(e.controls?.maxDistance))&&Number(e.controls.maxDistance)>0?Number(e.controls.maxDistance):Number.POSITIVE_INFINITY;if(a=lo(c*i,u,f)/c,Math.abs(a-1)<1e-6)return!1;s.position.copy(l.clone().add(s.position.clone().sub(l).multiplyScalar(a))),s.lookAt(l)}if(fQ(e,a),em(e),e.controls){const l=e.controls.autoRotate;e.controls.autoRotate=!1,e.controls.update?.(),e.controls.autoRotate=l}return e.requestRender?.(),!0}function bA(e,t,{scheduleIdle:n=!0,requestRender:r=!0}={}){if(!e?.camera||!e?.controls)return!1;const o=Bc(t),i=o===Vr.ORTHOGRAPHIC?e.orthographicCamera:e.perspectiveCamera;if(!i)return!1;const s=e.camera,a=s?.isPerspectiveCamera&&e.controls?.target?s.position.distanceTo(e.controls.target)*Math.tan(Math.max(Number(s.fov)||48,.001)*Math.PI/360)/Math.max(Number(s.zoom)||1,.001):null;s!==i&&(i.position.copy(s.position),i.up.copy(s.up),i.near=s.near,i.far=s.far,i.zoom=Number.isFinite(s.zoom)&&s.zoom>0?s.zoom:1,e.camera=i,e.controls.object=i),e.projection=o;const l=jl(e,e.frameInsetsRef?.current);if(i.isOrthographicCamera&&s!==i){const u=Number(s?.userData?.cadHalfHeight),f=Number.isFinite(a)&&a>0?a:u;Number.isFinite(f)&&f>0?rg(e,f,l):e.syncCameraViewport?.(i,l.width,l.height)}else e.syncCameraViewport?.(i,l.width,l.height);Tu(e,e.frameInsetsRef?.current,{updateProjection:!1}),RD(e,l);const c=e.controls.autoRotate;return e.controls.autoRotate=!1,e.controls.update?.(),e.controls.autoRotate=c,n&&e.scheduleIdleQuality?.(),r&&e.requestRender?.(),!0}function mQ(e){return e<=0?0:e>=1?1:-(Math.cos(Math.PI*e)-1)/2}function pQ(e,t=I0.EASE_IN_OUT_CUBIC){return t===I0.EASE_IN_OUT_SINE?mQ(e):AJ(e)}function hQ(e){return!e?.camera||!e?.controls?null:{position:[e.camera.position.x,e.camera.position.y,e.camera.position.z],target:[e.controls.target.x,e.controls.target.y,e.controls.target.z],up:[e.camera.up.x,e.camera.up.y,e.camera.up.z],zoom:e.camera.zoom,projection:ND(e)}}function r1(e,{modelKey:t="",sceneScaleMode:n=""}={}){return ZG(hQ(e),{modelKey:t,sceneScaleMode:n,coordinateSystem:Tb(n)})}function Tb(e){return hm(e)===Xr.URDF?UJ:GJ}function Bu(e,{scheduleIdle:t=!0}={}){e?.cameraTransition&&(e.cameraTransition=null,e.controls&&(e.controls.enableDamping=!0,e.controls.dampingFactor=xh),t&&e.scheduleIdleQuality?.())}function Wp(e,t,{scheduleIdle:n=!0}={}){const r=sa(t);return!e?.camera||!e?.controls||!r?!1:(Bu(e,{scheduleIdle:!1}),Bh(e.keyboardOrbitState),Object.prototype.hasOwnProperty.call(r,"projection")&&bA(e,r.projection,{scheduleIdle:!1}),e.camera.position.set(...r.position),e.controls.target.set(...r.target),e.camera.up.set(...r.up),Number.isFinite(r.zoom)&&r.zoom>0&&(e.camera.zoom=r.zoom,e.camera.updateProjectionMatrix?.(),em(e)),e.camera.lookAt(e.controls.target),e.controls.update(),n&&e.scheduleIdleQuality?.(),e.requestRender?.(),!0)}function PD(e,t,{durationMs:n=gA,easing:r=I0.EASE_IN_OUT_CUBIC,orthographicHalfHeight:o=null,resetZoomBaselineOnComplete:i=!1}={}){const s=sa(t);if(!e?.THREE||!e?.camera||!e?.controls||!s)return!1;Bu(e,{scheduleIdle:!1}),Bh(e.keyboardOrbitState),Object.prototype.hasOwnProperty.call(s,"projection")&&bA(e,s.projection,{scheduleIdle:!1});const a=new e.THREE.Vector3(...s.position),l=new e.THREE.Vector3(...s.target),c=new e.THREE.Vector3(...s.up),u=Number.isFinite(s.zoom)&&s.zoom>0?s.zoom:e.camera.zoom,f=e.camera?.isOrthographicCamera?Number(e.camera.userData?.cadHalfHeight):null,m=e.camera?.isOrthographicCamera?Number(o):null;return![a.x,a.y,a.z,l.x,l.y,l.z,c.x,c.y,c.z,u].every(Number.isFinite)||c.lengthSq()<=1e-6?!1:(e.cameraTransition={startTime:performance.now(),durationMs:n,startPosition:e.camera.position.clone(),endPosition:a,startTarget:e.controls.target.clone(),endTarget:l,startUp:e.camera.up.clone(),endUp:c.normalize(),startZoom:e.camera.zoom,endZoom:u,startOrthographicHalfHeight:f,endOrthographicHalfHeight:m,resetZoomBaselineOnComplete:i,easing:r},e.controls.enableDamping=!1,e.beginInteraction?.(),e.requestRender?.(),!0)}function gQ(e){if(!Array.isArray(e)&&!ArrayBuffer.isView(e))return null;const t=Bn(e[0]),n=Bn(e[1]),r=Bn(e[2]);return{min:[t,n,r],max:[t,n,r]}}function yQ(e,t){const n=String(t||"").trim();return!n||!e?null:e.referenceMap?.get?.(n)||e.faceReferenceMap?.get?.(n)||e.edgeReferenceMap?.get?.(n)||e.referenceByDisplaySelector?.get?.(n)||e.referenceByNormalizedSelector?.get?.(n)||null}function bQ(e,t=[]){const n=[];for(const r of bl(t)){const o=yQ(e,r),i=o?.pickData?.bbox||o?.bbox||null,s=kh([i])||gQ(o?.pickData?.center||o?.center);s&&n.push(s)}return kh(n)}function xQ(e,t=[]){const n=new Map;if(!e?.Vector3)return n;for(const r of Array.isArray(t)?t:[]){const o=nQ(e,r);o?.isVector3&&o.lengthSq()>1e-12&&n.set(r,o)}return n}function SQ(e){const t=e?.controls,n=e?.camera;if(!t?.target||!n||!e?.THREE)return!1;const r=new e.THREE.Vector3().copy(n.position).sub(t.target);return t.target.set(0,0,0),n.position.copy(r),n.lookAt(t.target),t.update?.(),!0}function o1(e,t=null){return!e?.THREE?.Matrix4||!Array.isArray(e.displayRecords)||!e.displayRecords.length?e?.modelBounds||t:EO(e.THREE,e.displayRecords,e.modelBounds||t)}function EQ(e,t=[]){const n=bl(t);return!n.length||!Array.isArray(e?.displayRecords)?null:zW(e.displayRecords,{partIds:new Set(n),translationByRecord:xQ(e?.THREE,e.displayRecords)})}function Wy(e,t,n,{animate:r=!0,modelOffset:o=null,resetZoomBaseline:i=!1}={}){if(!e?.THREE||!e?.camera||!e?.controls)return!1;const s=kh([t]);if(!s)return!1;const a=jl(e,e.frameInsetsRef?.current),l=$W(e.THREE,{camera:e.camera,controls:e.controls,bounds:s,modelOffset:o,frameAspect:a.aspect,minRadius:ya(n).minModelRadius,padding:Ju,defaultDirection:fx,viewUp:e.camera.up?.toArray?.()||ja});if(!l)return!1;i&&(e.zoomFitModelRadius=iw(e.THREE,s,n));const c={position:l.position.toArray(),target:l.target.toArray(),up:l.up.toArray(),zoom:1,projection:ND(e)},u=e.camera.isOrthographicCamera?TD(l.radius,n,a,Ju):null;if(r)return PD(e,c,{durationMs:gA,easing:I0.EASE_IN_OUT_CUBIC,orthographicHalfHeight:u,resetZoomBaselineOnComplete:i});e.camera.isOrthographicCamera&&u&&rg(e,u,a);const f=Wp(e,c);return f&&(i&&Qf(e),e.onZoomChange?.(e)),f}function wQ(e,t){const n=e?.cameraTransition;if(!n||!e?.THREE||!e?.camera||!e?.controls)return!1;const r=Math.max(n.durationMs,1),o=lo((t-n.startTime)/r,0,1),i=pQ(o,n.easing),s=new e.THREE.Vector3().lerpVectors(n.startPosition,n.endPosition,i),a=new e.THREE.Vector3().lerpVectors(n.startTarget,n.endTarget,i),l=new e.THREE.Vector3().lerpVectors(n.startUp,n.endUp,i);e.camera.position.copy(s),e.controls.target.copy(a),l.lengthSq()>1e-6&&e.camera.up.copy(l.normalize());const c=Number(n.startOrthographicHalfHeight),u=Number(n.endOrthographicHalfHeight);let f=!1;if(e.camera?.isOrthographicCamera&&Number.isFinite(c)&&Number.isFinite(u)&&u>0){const m=c+(u-c)*i;rg(e,m),em(e),f=!0}return Number.isFinite(n.startZoom)&&Number.isFinite(n.endZoom)&&(e.camera.zoom=n.startZoom+(n.endZoom-n.startZoom)*i,e.camera.updateProjectionMatrix?.(),f||em(e)),e.camera.lookAt(a),o>=1?(n.resetZoomBaselineOnComplete&&Qf(e),e.onZoomChange?.(e),e.cameraTransition=null,e.controls.enableDamping=!0,e.controls.dampingFactor=xh,e.scheduleIdleQuality?.(),!1):!0}function i_(e,t){if(!e?.THREE||!e?.camera||!e?.controls||!t||!Array.isArray(t.direction)||t.direction.length!==3||!Array.isArray(t.up)||t.up.length!==3)return!1;const n=e.controls.target.clone(),r=new e.THREE.Vector3().copy(e.camera.position).sub(n),o=Math.max(e.controls.minDistance||1,1),i=r.length(),s=lo(Number.isFinite(i)&&i>1e-6?i:o,e.controls.minDistance||.01,e.controls.maxDistance||1/0),a=new e.THREE.Vector3(...t.direction);if(a.lengthSq()<1e-6)return!1;const l=new e.THREE.Vector3(...t.up);if(l.lengthSq()<1e-6)return!1;a.normalize(),l.normalize();const c=new e.THREE.Vector3(...ja).normalize();if(Math.abs(a.dot(c))>=yJ){let u=l.clone().addScaledVector(c,-l.dot(c));u.lengthSq()<1e-6&&(u=new e.THREE.Vector3(0,1,0).addScaledVector(c,-c.y)),u.lengthSq()<1e-6&&(u=new e.THREE.Vector3(1,0,0)),u.normalize();const f=a.dot(c)>=0?1:-1;a.addScaledVector(u,-f*bJ).normalize(),l.copy(c)}return e.cameraTransition={startTime:performance.now(),durationMs:gA,startPosition:e.camera.position.clone(),endPosition:n.clone().add(a.multiplyScalar(s)),startTarget:n.clone(),endTarget:n.clone(),startUp:e.camera.up.clone(),endUp:l},e.controls.enableDamping=!1,e.beginInteraction?.(),e.requestRender?.(),!0}function Vh(e){if(!e)return;for(;e.children?.length;)Vh(e.children[0]);typeof e.userData?.beforeDispose=="function"&&(e.userData.beforeDispose(e),delete e.userData.beforeDispose),e.parent?.remove(e),e.geometry?.userData?.cadSceneCachedGeometry!==!0&&e.geometry?.dispose?.();const t=Array.isArray(e.material)?e.material:[e.material];for(const n of t)n?.map?.dispose?.(),n?.alphaMap?.dispose?.(),n?.dispose?.()}function Os(e){for(;e.children.length;)Vh(e.children[0])}function sw(e=null,t=null){const n=Number.isFinite(Number(t?.edgeThickness))?Number(t.edgeThickness):tr.edgeThickness;return Number.isFinite(Number(e?.thickness))?lo(Number(e.thickness),.5,6):n}function i1(e=null,t=null){return Number.isFinite(Number(e?.highlightThickness))?lo(Number(e.highlightThickness),.5,6):Math.max(sw(e,t)*t8,2)}function s1(e=null){return Number.isFinite(Number(e?.highlightOpacity))?lo(Number(e.highlightOpacity),0,1):1}function a1(e=null){return String(e?.highlightColor||h0).trim()||h0}function l1(e,t){if(!e||!t||!Number.isFinite(Number(e.clientX))||!Number.isFinite(Number(e.clientY)))return!1;const n=t.getBoundingClientRect();return e.clientX>=n.left&&e.clientX<=n.right&&e.clientY>=n.top&&e.clientY<=n.bottom}function OD(e,t){if(!t)return;for(;t.children?.length;){const r=t.children[0];t.remove(r),OD(e,r)}typeof t.userData?.beforeDispose=="function"&&(t.userData.beforeDispose(t),delete t.userData.beforeDispose);const n=Array.isArray(t.material)?t.material:[t.material];if(t.userData?.disposeGeometry!==!1&&t.geometry?.dispose?.(),t.userData?.disposeMaterial!==!1)for(const r of n)r?.dispose?.()}function Co(e,t){for(t===e?.urdfPosePickerGuideGroup&&(e.urdfPosePickerHoverCellMesh=null,e.urdfPosePickerHoverCellOutline=null);t?.children?.length;){const n=t.children[t.children.length-1];n&&(t.remove(n),OD(e,n))}t&&(t.visible=!1)}function vQ(e){return String(Jh(e)?.token||"").trim()}function Kp(e){if(!Array.isArray(e)||e.length<3)return null;const t=e.slice(0,3).map(n=>Number(n));return t.every(n=>Number.isFinite(n))?t:null}function s_(e){if(!e||typeof e!="object")return null;const t=Kp(e.position);if(!t)return null;const n=e.axes&&typeof e.axes=="object"?e.axes:{};return{position:t,axes:{x:Kp(n.x),y:Kp(n.y),z:Kp(n.z)}}}function AQ(e){return[...new Set((Array.isArray(e)?e:[e]).map(t=>String(t||"").trim()).filter(Boolean))]}function CQ(e,t,n){const r=new Set(AQ(t)),o=String(n||"").trim();if(!r.size&&!o)return[];const i=[],s=new Set;for(const a of Array.isArray(e)?e:[]){const l=String(a?.id||"").trim();if(!l||s.has(l))continue;const c=r.has(l),u=o===l;if(!c&&!u)continue;const f=s_(a.fixedEndpoint),m=s_(a.movingEndpoint);!f&&!m||(s.add(l),i.push({id:l,fixed:f,moving:m,selected:c,hovered:u}))}return i}function MQ(e,t,{color:n,opacity:r,radius:o,renderOrder:i}){const s=new e.SphereGeometry(o,18,10),a=new e.MeshBasicMaterial({color:n,transparent:r<.999,opacity:r,depthTest:!1,depthWrite:!1,toneMapped:!1}),l=new e.Mesh(s,a);return l.position.set(t[0],t[1],t[2]),l.renderOrder=i,l}function a_(e,t,n,r){const o=Kp(n);if(!o)return;const i=Math.hypot(o[0],o[1],o[2]);if(i<=1e-8)return;const s=o.map(a=>a/i);e.push(t[0]-s[0]*r,t[1]-s[1]*r,t[2]-s[2]*r,t[0]+s[0]*r,t[1]+s[1]*r,t[2]+s[2]*r)}function IQ(e,t,n,{color:r,opacity:o,markerRadius:i,axisLength:s,lineWidth:a,renderOrder:l}){const c=n.fixed?.position||null,u=n.moving?.position||null,f=c||u;if(!f)return;const m=[];c&&u&&Math.hypot(c[0]-u[0],c[1]-u[1],c[2]-u[2])>Math.max(i*.25,.01)&&m.push(...c,...u);const p=n.fixed?.axes||n.moving?.axes||{};if(a_(m,f,p.z||[0,0,1],s),a_(m,f,p.x||[1,0,0],s*.62),m.length){const b=$u(e,m,{color:r,opacity:o,lineWidth:a,renderOrder:l,depthTest:!1,depthWrite:!1});b&&t.add(b)}t.add(MQ(e.THREE,f,{color:r,opacity:o,radius:i,renderOrder:l+1}))}function NQ(e,t,n,r=0,o=Xr.CAD,i=gr.STAGE,s={}){return XW(e,t,n,r,{disposeSceneObject:Vh,floorSettings:s}),qW(e,t,n,r,o,i,{disposeSceneObject:Vh,floorSettings:s})}const 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