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e.Color("#ffffff"):n?Mw(e,n,r):eA(e,{...r,defaultColor:o||r?.defaultColor},i)}function EW(e={},t,n="#132232"){const r=ZI[t]||ZI.feature,o=e?.classes?.[t]||{};return{color:o.color||n||r.color,thickness:un(Number.isFinite(Number(o.thickness))?Number(o.thickness):r.thickness,0,6),opacity:un(Number.isFinite(Number(o.opacity))?Number(o.opacity):r.opacity,0,1)}}function wW(e,t,n={},r=ao){const o=n?.color||r?.edge||ao.edge,i=Object.fromEntries(mW.map(l=>[l,EW(n,l,o)])),s=new e.Color(o),a=Object.fromEntries(Object.entries(i).map(([l,u])=>[l,su(e,u.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,u])=>[l,{...u}])),t.extensions={...t.extensions||{},derivatives:!0},t.onBeforeCompile=l=>{const u=t.userData.cadSurfaceEdgeColor?.isColor?t.userData.cadSurfaceEdgeColor:s;t.userData.cadSurfaceEdgeShader=l,l.uniforms.cadSurfaceEdgeColor={value:u.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 ${oy};
attribute vec3 ${iy};
varying vec3 vCadSurfaceEdgeBarycentric;
varying vec3 vCadSurfaceEdgeClass;`).replace("#include <begin_vertex>",`#include <begin_vertex>
vCadSurfaceEdgeBarycentric = ${oy};
vCadSurfaceEdgeClass = ${iy};`),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:Uy(t||{},n),transparent:!0,opacity:.035,depthWrite:!1})}function MW(e,{color:t,useVertexColors:n=!1,opacity:r=1}={}){return new e.MeshBasicMaterial({color:t||ao.surface,side:e.DoubleSide,vertexColors:n,transparent:r<.999,opacity:r,depthWrite:r>=.999})}function IW(e,t,n){return su(e,t?.color||n?.sourceColor)}function AW(e,t=1){const n=Number(e?.opacity);return Number.isFinite(n)?un(n,0,1):t}function NW(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 _W(e){return(Array.isArray(e)?e:[]).some(n=>{const r=Number(n?.opacity);return Number.isFinite(r)&&un(r,0,1)<.999})}function TW(e){const t=new e.BufferGeometry;return t.setAttribute("position",new e.BufferAttribute(new Float32Array(0),3)),t}function RW(e,t){return[String(e?.occurrenceId||""),String(e?.id||""),String(e?.partSourcePath||e?.sourcePath||""),String(e?.label||e?.name||""),String(t).padStart(8,"0")].join("\0")}function PW(e=[]){return new Map([...e].map((t,n)=>({part:t,key:RW(t,n)})).sort((t,n)=>t.key.localeCompare(n.key)).map(({part:t},n)=>[t,n]))}function cP(e,t,n,r){const o=nP(t),i=o.part.get(n)||o.whole.get(n);if(i)return i;const s=r();return s?.geometry?(rP(s.geometry),n===Kd?o.whole.set(n,s):o.part.set(n,s),s):null}function OW(e,t,n,r=!1){const o=String(n?.id||n?.occurrenceId||"").trim(),i=n?.sourceMesh&&typeof n.sourceMesh=="object"?n.sourceMesh:null,s=i&&n?.hasSourceColors?"source-colors":"flat",l=(i?`source:${String(n?.sourceMeshKey||n?.meshUrl||n?.partFileRef||o||"").trim()}:${s}`:"")||o||`${kt(n?.vertexOffset)}:${kt(n?.triangleOffset)}`;return cP(e,t,l,()=>{const u=i?0:kt(n?.vertexOffset,0),d=i?Math.floor((i.vertices?.length||0)/3):kt(n?.vertexCount,0),m=i?0:kt(n?.triangleOffset,0),p=i?Math.floor((i.indices?.length||0)/3):kt(n?.triangleCount,0);if(d<=0||p<=0)return null;let g,x,y,S;if(i)g=i.vertices||new Float32Array(0),x=n?.hasSourceColors&&Aa(i.colors,3)&&i.colors.length===g.length?new Float32Array(i.colors):null,y=Aa(i.normals,3)?i.normals:null,S=i.indices||new Uint32Array(0);else{const I=u*3,A=I+d*3;g=t.vertices.slice(I,A),x=xW(t,n)?new Float32Array(t.colors.slice(I,A)):null,y=Aa(t.normals,3)?t.normals.slice(I,A):null;const N=t.indices.slice(m*3,m*3+p*3);S=new Uint32Array(N.length);for(let P=0;P<N.length;P+=1)S[P]=Math.max(0,Number(N[P])-u)}if(!S.length)return null;const b=new e.BufferGeometry;return b.setAttribute("position",new e.BufferAttribute(g instanceof Float32Array?g:new Float32Array(g),3)),b.setIndex(new e.BufferAttribute(S instanceof Uint32Array?S:new Uint32Array(S),1)),x&&x.length===g.length&&b.setAttribute("color",new e.BufferAttribute(new Float32Array(x),3)),i||sP(e,b,t,u,d),iP(e,b,y,r),b.computeBoundingSphere(),{geometry:b,rawColors:x}})}function kW(e,t,n=!1){return cP(e,t,Kd,()=>{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=aP(t)&&t.colors?.length===t.vertices?.length?new Float32Array(t.colors):null;return o&&r.setAttribute("color",new e.BufferAttribute(new Float32Array(o),3)),sP(e,r,t,0,Math.floor((t.vertices?.length||0)/3)),iP(e,r,t.normals,n),r.computeBoundingSphere(),{geometry:r,rawColors:o}})}function DW(e,t,n){if(!t?.geometry||!t.rawColors||!t.hasVertexColors)return;const r=yW(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 tA(e,t,n){if(!Aa(t,3)||!Aa(n,2))return null;const r=Math.floor(t.length/3),o=Math.floor(n.length/2);if(o<=0)return null;const i=new Float32Array(o*6);let s=0;for(let u=0;u+1<n.length;u+=2){const d=Number(n[u]),m=Number(n[u+1]);if(!Number.isInteger(d)||!Number.isInteger(m)||d<0||m<0||d>=r||m>=r)continue;const p=d*3,g=m*3;i[s]=Number(t[p]),i[s+1]=Number(t[p+1]),i[s+2]=Number(t[p+2]),i[s+3]=Number(t[g]),i[s+4]=Number(t[g+1]),i[s+5]=Number(t[g+2]),s+=6}if(!s)return null;const a=new e.BufferGeometry,l=s===i.length?i:i.subarray(0,s);return a.setAttribute("position",new e.BufferAttribute(l,3)),a}function jW(e,t,n,r,o,i={}){const s=nP(t),a=n?String(n?.id||n?.occurrenceId||"").trim():Kd,l=n?.sourceMesh?String(n?.sourceMeshKey||n?.meshUrl||n?.partFileRef||"").trim():"",u=`${o}:${l?`source:${l}`:a||Kd}`,d=s.edge.get(u);if(d)return d;let m=null;if(ml(o))m=new e.WireframeGeometry(r);else if(n){const p=kt(n?.edgeIndexOffset,0),g=kt(n?.edgeIndexCount,0);if(g>=2&&Aa(t?.edge_indices,2)){const y=typeof t.edge_indices.subarray=="function"?t.edge_indices.subarray(p,p+g):t.edge_indices.slice(p,p+g);m=tA(e,t.vertices,y)}m||=new e.EdgesGeometry(r,YI)}else Aa(t?.edge_indices,2)&&(m=tA(e,t.vertices,t.edge_indices));return m||=new e.EdgesGeometry(r,YI),m.getAttribute("position")?.count||(m.dispose(),m=TW(e)),rP(m),s.edge.set(u,m),m}function LW(e=null,t=null){const n=Number.isFinite(Number(t?.edgeThickness))?Number(t.edgeThickness):ao.edgeThickness;return Number.isFinite(Number(e?.thickness))?un(Number(e.thickness),.5,6):n}function FW(e,t){if(!e)return;const n=un(Number(t)||0,0,1),r=n<.999;e.opacity=n,e.depthWrite=!1,e.transparent!==r&&(e.transparent=r,e.needsUpdate=!0)}function zW(e,t,n,r,o,i){const s=ml(i),a=r?.depthTest===!1?!1:!s,l=new e.LineBasicMaterial({color:r?.color||n?.edge||ao.edge,transparent:!0,opacity:s?Math.max(kt(r?.opacity,.92),.9):kt(r?.opacity,n?.edgeOpacity??Cw),depthTest:a,depthWrite:!1}),u=new e.LineSegments(t,l);return u.userData.partId=o,{object:u,material:l}}function BW(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 VW(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 $W(e,t={}){e.edgeRendering=t;for(const n of["Line2","LineGeometry","LineSegments2","LineSegmentsGeometry","LineMaterial"])e[n]=t[n]||t.constructors?.[n]||null}function GW(e,t,n,r){const o=r*un(kt(n?.silhouetteScale,.004),0,.04);if(!(o>0))return null;const i=new e.ShaderMaterial({uniforms:{color:{value:new e.Color(n?.color||ao.edge)},opacity:{value:un(kt(n?.opacity,.9),0,1)},offset:{value:o}},vertexShader:`
      uniform float offset;
      void main() {
        vec3 displaced = position + normal * offset;
        gl_Position = projectionMatrix * modelViewMatrix * vec4(displaced, 1.0);
      }
    `,fragmentShader:`
      uniform vec3 color;
      uniform float opacity;
      void main() {
        gl_FragColor = vec4(color, opacity);
      }
    `,side:e.BackSide,transparent:!0,depthTest:!0,depthWrite:!1}),s=new e.Mesh(t,i);return s.renderOrder=-1,s}function UW(e,t,n={}){return n.silhouette!==!1&&!ml(t)&&e.silhouette===!0&&(e.enabled===!0||n.silhouette===!0)}function uP(e,t){const n=Array.isArray(t?.min)?t.min:[0,0,0],r=Array.isArray(t?.max)?t.max:n;return new e.Vector3((kt(n[0])+kt(r[0]))/2,(kt(n[1])+kt(r[1]))/2,(kt(n[2])+kt(r[2]))/2)}function dP(e,t,n,{baseTheme:r=ao,displayMode:o=Dt.SOLID}={}){if(!t?.material||!n)return;const i=ml(o),s=n.overrideSourceColors===!0||i,a=!s&&!!t.hasVertexColors;if(t.useVertexColors=a,t.baseColor=lP(e,{hasVertexColors:a,sourceColor:s?null:t.sourceColor||null,materialSettings:n,fallbackColor:n?.defaultColor||r?.surface||ao.surface,fillIndex:t.fillIndex||0,forceFill:s||!t.hasSourceColor}),t.material.vertexColors=a,i){t.material.color&&t.baseColor&&t.material.color.copy(t.baseColor),t.baseOpacity=Hb(o,.035),t.material.opacity=t.baseOpacity,t.material.transparent=!0,t.material.depthWrite=!1,t.material.needsUpdate=!0;return}DW(e,t,n),t.material.roughness=un(Number(n.roughness)||0,0,1),t.material.metalness=un(Number(n.metalness)||0,0,1),t.material.clearcoat=un(Number(n.clearcoat)||0,0,1),t.material.clearcoatRoughness=un(Number(n.clearcoatRoughness)||0,0,1);const l=Number.isFinite(Number(t.sourceOpacity))?un(Number(t.sourceOpacity),0,1):1;t.baseOpacity=un(Hb(o,n.opacity)*l,0,1),t.material.opacity=t.baseOpacity,t.material.transparent=t.baseOpacity<.999,t.material.depthWrite=o===Dt.TRANSPARENT?!1:t.baseOpacity>=.999,t.material.envMapIntensity=Math.max(Number(n.envMapIntensity)||0,0),t.material.color&&t.baseColor&&t.material.color.copy(t.baseColor),t.baseEmissiveIntensity=un(Number(n.emissiveIntensity)||0,0,2),t.baseEmissiveColor=t.baseColor?t.baseColor.clone():null,"emissive"in t.material&&t.material.emissive&&(t.baseEmissiveColor&&t.baseEmissiveIntensity>0?t.material.emissive.copy(t.baseEmissiveColor):t.material.emissive.set(0),t.material.emissiveIntensity=t.baseEmissiveIntensity),t.material.needsUpdate=!0}function WW(e){return(Array.isArray(e)?e:[e]).map(t=>String(t||"").trim()).filter(Boolean)}function nA(e){const t=String(e||"").trim();return t.startsWith("#")?t.slice(1).trim():t}function Pg(e,t){if(!t?.size)return!1;if(t.has(Kd))return!0;const n=nA(e);if(!n)return!1;for(const r of t){const o=nA(r);if(o&&(n===o||n.startsWith(`${o}.`)))return!0}return!1}function HW(e,t,n){return t?(Number.isFinite(Number(e[n]))||(e[n]=Number.isFinite(Number(t.renderOrder))?Number(t.renderOrder):0),e[n]):0}function rA(e,t,n,r,o){if(!t)return;const i=HW(e,t,n);t.renderOrder=r?o:i}function KW(e,t,n,{writeTransparentDepth:r=!0}={}){const o=e?.material;if(!o)return;Object.hasOwn(e,"baseDepthWrite")||(e.baseDepthWrite=o.depthWrite!==!1);const i=t||n<.999;o.transparent!==i&&(o.transparent=i,o.needsUpdate=!0),o.depthWrite=i&&!r?!1:e.baseDepthWrite}const XW=Object.freeze({feature:"cadSurfaceFeatureOpacity",tangent:"cadSurfaceTangentOpacity",seam:"cadSurfaceSeamOpacity",degenerate:"cadSurfaceDegenerateOpacity"}),YW=Object.freeze({feature:"cadSurfaceFeatureColor",tangent:"cadSurfaceTangentColor",seam:"cadSurfaceSeamColor",degenerate:"cadSurfaceDegenerateColor"});function qW(e,t,n,r=null){const 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Set(Array.isArray(o)?o:[]),d=new Set(Array.isArray(a)?a:[]),m=new Set((Array.isArray(i)?i:[i]).map(v=>String(v||"").trim()).filter(Boolean)),p=r?.color||n?.edge||ao.edge,g=Number.isFinite(Number(n?.surfaceOpacity))?Number(n.surfaceOpacity):1,x=new Set(WW(s)),y=x.size>0,S=Number.isFinite(Number(r?.opacity))?un(Number(r.opacity),0,1):n?.edgeOpacity??ao.edgeOpacity??Cw,b=Number.isFinite(Number(r?.highlightOpacity))?un(Number(r.highlightOpacity),0,1):1,I=String(r?.highlightColor||Rg).trim()||Rg,A=new e.Color(qI),N=new e.Color(I),P=new e.Color(Rg),R=new e.Color(I);for(const v of Array.isArray(t)?t:[]){if(!v?.mesh||!v?.material)continue;const C=v.effectStyle&&typeof 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r=Bs(t);return!e?.camera||!e?.controls||!r?!1:(tu(e,{scheduleIdle:!1}),Lp(e.keyboardOrbitState),Object.prototype.hasOwnProperty.call(r,"projection")&&kw(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?.(),jp(e)),e.camera.lookAt(e.controls.target),e.controls.update(),n&&e.scheduleIdleQuality?.(),e.requestRender?.(),!0)}function FP(e,t,{durationMs:n=Tw,easing:r=sy.EASE_IN_OUT_CUBIC,orthographicHalfHeight:o=null,resetZoomBaselineOnComplete:i=!1}={}){const s=Bs(t);if(!e?.THREE||!e?.camera||!e?.controls||!s)return!1;tu(e,{scheduleIdle:!1}),Lp(e.keyboardOrbitState),Object.prototype.hasOwnProperty.call(s,"projection")&&kw(e,s.projection,{scheduleIdle:!1});const a=new e.THREE.Vector3(...s.position),l=new e.THREE.Vector3(...s.target),u=new e.THREE.Vector3(...s.up),d=Number.isFinite(s.zoom)&&s.zoom>0?s.zoom:e.camera.zoom,m=e.camera?.isOrthographicCamera?Number(e.camera.userData?.cadHalfHeight):null,p=e.camera?.isOrthographicCamera?Number(o):null;return![a.x,a.y,a.z,l.x,l.y,l.z,u.x,u.y,u.z,d].every(Number.isFinite)||u.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:u.normalize(),startZoom:e.camera.zoom,endZoom:d,startOrthographicHalfHeight:m,endOrthographicHalfHeight:p,resetZoomBaselineOnComplete:i,easing:r},e.controls.enableDamping=!1,e.beginInteraction?.(),e.requestRender?.(),!0)}function C6(e){if(!Array.isArray(e)&&!ArrayBuffer.isView(e))return null;const t=Ar(e[0]),n=Ar(e[1]),r=Ar(e[2]);return{min:[t,n,r],max:[t,n,r]}}function M6(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 I6(e,t=[]){const n=[];for(const r of Ja(t)){const o=M6(e,r),i=o?.pickData?.bbox||o?.bbox||null,s=Op([i])||C6(o?.pickData?.center||o?.center);s&&n.push(s)}return Op(n)}function A6(e,t=[]){const n=new Map;if(!e?.Vector3)return n;for(const r of Array.isArray(t)?t:[]){const o=RP(e,r);o?.isVector3&&o.lengthSq()>1e-12&&n.set(r,o)}return n}function N6(e,t=[]){const n=Ja(t);return!n.length||!Array.isArray(e?.displayRecords)?null:oU(e.displayRecords,{partIds:new Set(n),translationByRecord:A6(e?.THREE,e.displayRecords)})}function Lx(e,t,n,{animate:r=!0,modelOffset:o=null,resetZoomBaseline:i=!1}={}){if(!e?.THREE||!e?.camera||!e?.controls)return!1;const s=Op([t]);if(!s)return!1;const a=Au(e,e.frameInsetsRef?.current),l=aU(e.THREE,{camera:e.camera,controls:e.controls,bounds:s,modelOffset:o,frameAspect:a.aspect,minRadius:qs(n).minModelRadius,padding:gu,defaultDirection:Ky,viewUp:e.camera.up?.toArray?.()||Sa});if(!l)return!1;const u={position:l.position.toArray(),target:l.target.toArray(),up:l.up.toArray(),zoom:1,projection:kP(e)},d=e.camera.isOrthographicCamera?DP(l.radius,n,a,gu):null;if(r)return FP(e,u,{durationMs:Tw,easing:sy.EASE_IN_OUT_CUBIC,orthographicHalfHeight:d,resetZoomBaselineOnComplete:i});e.camera.isOrthographicCamera&&d&&Xy(e,d,a);const m=Cb(e,u);return m&&(i&&Dp(e),e.onZoomChange?.(e)),m}function _6(e,t){const n=e?.cameraTransition;if(!n||!e?.THREE||!e?.camera||!e?.controls)return!1;const r=Math.max(n.durationMs,1),o=Br((t-n.startTime)/r,0,1),i=S6(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 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Nt=V.get(String(et?.partId||""));Nt&&(et.baseTransform=$2(t,Nt,ye),et.partBounds=Nt.bounds,et.partCenter=uP(w.THREE,Nt.bounds),tc(w.THREE,et,w.modelRadius||1),q=!0)}if(!q)return;const{radius:ce}=u1(w.THREE,w,t.bounds,Te);kx(w.THREE,w,Se.lighting,ce,t.bounds,Te);const ge=Number.isFinite(Number(xn.current.floorZ))?Number(xn.current.floorZ):Cx(t.bounds,w.modelGroup?.position,Te);mi(w,Pe,ce,ge,Te,qr),Ag(w),Dx(w,Pe,Se,ce,w.gridFloorZ??0,qr,Te),w.requestRender()},[t?.parts,t?.bounds,A,ye,Te,Se,qr,Pe,Mt,mi]),f.useEffect(()=>{const w=pe.current;w&&(Ng(w.THREE,w.displayRecords,ko.current),w.requestRender())},[Mt,Lr,co,Xt,T,z,N,C,k,Pe,Cr,Kt]),f.useEffect(()=>{const w=pe.current,V=yt?.definition||null,q=V?.module||null,ce=[];qn.current=ce;const ge=()=>{for(;ce.length;){const je=ce.pop();try{je?.()}catch(Je){console.error("STEP parameter cleanup failed",Je)}}};if(!w?.THREE||!V||A||!t)return ge;const 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wn=Lt.selectorRuntime;dA(w,t,wn),Ix(w,wn,xn.current.offset,{clearSceneGroup:fs}),w.requestRender?.()},[Cr,Jn,xt,it,Xt,co,Mt,Pe,T,Tr,z,ne,A,t,n,Lr,N,C,k,D,$,yt]),f.useEffect(()=>{const w=pe.current,V=Xe.current,q=Array.isArray(V.states)?V.states:[],ce=Br(V.transitionProgress,0,1);if(_A(Xe),!w?.THREE||A||!Array.isArray(w.displayRecords)||!w.displayRecords.length){V.progress=0,V.modelKey="",V.recordKey="",V.states=[],V.transitionProgress=0;return}const ge=n||"",et=`${ge}:${t6(w.displayRecords)}`,Nt=V.modelKey!==ge,je=ne?1:0,Je=w.modelBounds||t?.bounds,Lt=nW(w.THREE,w.displayRecords,Je,X);if(V.modelKey=ge,V.recordKey=et,!Lt.length){oW(w.displayRecords);for(const wn of w.displayRecords)tc(w.THREE,wn);X2(w,w.displayRecords),w.requestRender?.(),V.progress=0,V.states=[],V.transitionProgress=0;return}const 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V.Group,w.urdfPosePickerGuideGroup.renderOrder=28,q.add(w.urdfPosePickerGuideGroup));const ce=w.urdfPosePickerGuideGroup;if(Ur(w,ce),!De?.active)return()=>{Ur(w,ce)};if(!Hs(w,De))return()=>{Ur(w,ce)};const et=z$(w,De);et&&ce.add(et);const Nt=B$(w,De);Nt&&ce.add(Nt);const je=V$(w,De);return je&&ce.add(je),ce.visible=ce.children.length>0,w.requestRender(),()=>{Ur(w,ce)}},[De?.active,De?.center,L,fe,Mt]),f.useEffect(()=>{const w=pe.current;if(!w?.THREE||!w?.edgesGroup)return;const{THREE:V,edgesGroup:q}=w;(!w.partHighlightGroup||w.partHighlightGroup.parent!==q)&&(w.partHighlightGroup=new V.Group,w.partHighlightGroup.renderOrder=22,q.add(w.partHighlightGroup));const ce=w.partHighlightGroup;Ur(w,ce);const ge=[],et=new Set,Nt=je=>{const Je=String(je||"").trim();!Je||kn.has(Je)||et.has(Je)||(et.add(Je),ge.push(Je))};for(const je of Ja(k))Nt(je);for(const je of Ja(z))Nt(je);if(ar&&ge.length){const je={...Tr,thickness:Fx(ft,Pe),highlightPartIds:ge,highlightColor:Bx(ft),highlightOpacity:zx(ft),highlightRenderOrder:26},Je=w.topologyDisplayEdgeTransformByRecord===!0&&$?Y2(w,$,{edgeSettings:je,viewerTheme:Pe,displayRecords:w.displayRecords}):dw(w,Et||Ne,je,Pe);Je&&ce.add(Je)}return ce.visible=ce.children.length>0,w.requestRender(),()=>{Ur(w,ce)}},[Et,Ne,$,ft,Tr,kn,Mt,Pe,z,n,k,ar,Cr]),f.useEffect(()=>{const w=pe.current;if(!w?.THREE||!w?.edgesGroup)return;const{THREE:V,edgesGroup:q}=w;(!w.mateOverlayGroup||w.mateOverlayGroup.parent!==q)&&(w.mateOverlayGroup=new V.Group,w.mateOverlayGroup.renderOrder=27,q.add(w.mateOverlayGroup));const ce=w.mateOverlayGroup;if(Ur(w,ce),A||!t)return()=>{Ur(w,ce)};const ge=k6(Y,K,J);if(!ge.length)return()=>{Ur(w,ce)};const et=Number.isFinite(Number(w.modelRadius))&&Number(w.modelRadius)>0?Number(w.modelRadius):1,Nt=Bx(ft),je=zx(ft),Je=Br(et*.012,.55,4.5),Lt=Br(et*.07,Je*3.2,18),gn=Math.max(Fx(ft,Pe),2.6);for(const lr of ge)j6(w,ce,lr,{color:Nt,opacity:lr.selected?je:Math.min(je,.82),markerRadius:lr.hovered&&!lr.selected?Je*.9:Je,axisLength:Lt,lineWidth:lr.selected?gn:Math.max(gn*.86,2.2),renderOrder:lr.selected?28:27});return ce.visible=ce.children.length>0,w.requestRender(),()=>{Ur(w,ce)}},[Y,ft,J,A,t,n,K,Mt,Pe]),f.useEffect(()=>{const w=pe.current;if(!w?.THREE||!w?.edgesGroup||!w?.modelGroup)return;const{THREE:V,edgesGroup:q,modelGroup:ce}=w;(!w.referenceHighlightGroup||w.referenceHighlightGroup.parent!==q)&&(w.referenceHighlightGroup=new V.Group,w.referenceHighlightGroup.renderOrder=25,q.add(w.referenceHighlightGroup));const ge=w.referenceHighlightGroup;(!w.referenceFaceFillGroup||w.referenceFaceFillGroup.parent!==ce)&&(w.referenceFaceFillGroup=new V.Group,w.referenceFaceFillGroup.renderOrder=24,ce.add(w.referenceFaceFillGroup));const et=w.referenceFaceFillGroup;Ur(w,ge),Ur(w,et);const Nt=Fx(ft,Pe),je=Nt,Je=Bx(ft),Lt=zx(ft),gn=new Map,lr=Array.isArray(Ne?.references)?Ne.references:Ne?.referenceMap 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nt={float:(e=0)=>hc(e),int:(e=0)=>Math.trunc(hc(e)),bool:(e=!1)=>li(e),vec2:ir,vec3:Jo,vec4:zw,abs:dy,min:oO,max:Fp,clamp:Sd,mix:w1,smoothstep:OK,mod:Bw,length:zr,dot:Ln,cross:eN,normalize:Id,sin:e=>Gi(e,Math.sin),cos:e=>Gi(e,Math.cos),tan:e=>Gi(e,Math.tan),atan:(...e)=>e.length>=2?Math.atan2(e[0],e[1]):Gi(e[0],Math.atan),pow:(e,t)=>pl(e,t,Math.pow),sqrt:e=>Gi(e,Math.sqrt),exp:e=>Gi(e,Math.exp),log:e=>Gi(e,Math.log),floor:e=>Gi(e,Math.floor),ceil:e=>Gi(e,Math.ceil),fract:e=>Gi(e,t=>t-Math.floor(t)),sign:e=>Gi(e,Math.sign),implicit_clamp01:e=>Sd(e,0,1),implicit_linear_map:sO,implicit_ramp:DK,implicit_two_body_field:jK,implicit_two_body_polar:LK,implicit_triangle_wave_even:qy,implicit_triangle_wave_even_positive:Zy,implicit_triangle_wave_odd:aO,implicit_triangle_wave_odd_positive:v1,implicit_repeat_centered:lh,implicit_intersect_sharp:(e,t)=>Math.max(e,t),implicit_union_sharp:(e,t)=>Math.min(e,t),implicit_intersect_round:tN,implicit_union_round:(e,t,n)=>-tN(-e,-t,n),implicit_intersect_chamfer:nN,implicit_union_chamfer:(e,t,n)=>-nN(-e,-t,n),implicit_intersect_exp:rN,implicit_union_exp:(e,t,n)=>-rN(-e,-t,n),implicit_intersect_lp_norm:oN,implicit_union_lp_norm:(e,t,n,r)=>-oN(-e,-t,n,r),implicit_intersect_rvachev:iN,implicit_union_rvachev:(e,t,n)=>-iN(-e,-t,n),implicit_plane2:(e,t,n)=>Ln(ln(e,t),Id(n)),implicit_line_segment2:(e,t,n)=>{const r=ln(n,t),o=Ln(r,r);if(o<1e-12)return zr(ln(e,t));const i=Sd(Ln(ln(e,t),r)/o,0,1);return zr(ln(e,Eo(t,lt(i,r))))},implicit_sphere:(e,t,n)=>zr(ln(e,t))-n,implicit_box_centered:(e,t,n)=>{const r=ln(dy(ln(e,n)),lt(t,.5));return zr(Fp(r,0))+Math.min(Math.max(r[0],Math.max(r[1],r[2])),0)},implicit_plane:(e,t,n)=>Ln(ln(e,t),Id(n)),implicit_line_segment:(e,t,n)=>{const r=ln(n,t),o=Ln(r,r);if(o<1e-12)return zr(ln(e,t));const i=Sd(Ln(ln(e,t),r)/o,0,1);return zr(ln(e,Eo(t,lt(i,r))))},implicit_torus:(e,t,n)=>{const r=ir(zr(Vr(e,"xy"))-t,Vr(e,"z"));return zr(r)-n},implicit_axis:(e,t,n)=>{const r=zr(n);if(r<1e-12)return zr(ln(e,t));const o=Zi(n,r),i=ln(e,t);return zr(ln(i,lt(Ln(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=ln(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=ln(n,t),s=Ln(i,i);if(s<1e-12)return nt.implicit_sphere(e,t,r);const a=Sd(Ln(ln(e,t),i)/s,0,1),l=w1(r,o,a);return zr(ln(e,Eo(t,lt(a,i))))-l},implicit_cone:(e,t,n,r)=>{const o=zr(n);if(o<1e-12)return zr(ln(e,t));const i=Zi(n,o),s=ln(e,t),a=Ln(s,i);return zr(ln(s,lt(a,i)))-a*Math.tan(r)},implicit_cone_capped:(e,t,n,r,o)=>{const i=ln(n,t),s=zr(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,rO(i),a)-o,u=-nt.implicit_plane(e,t,i),d=nt.implicit_plane(e,n,i);return Math.max(l,Math.max(u,d))},implicit_shell:(e,t,n=0)=>Math.abs(e+n*t*.5)-t*.5,implicit_rotate_axis:(e,t,n,r)=>{const o=Id(n),i=ln(e,t),s=Math.cos(r),a=Math.sin(r);return Eo(Eo(Eo(t,lt(i,s)),lt(eN(o,i),a)),lt(o,Ln(o,i)*(1-s)))},implicit_remap_cylindrical:(e,t)=>{const n=zr(Vr(e,"xy")),r=Math.atan2(e[1],e[0]);return Jo(n,r*(t/(Math.PI*2)),e[2])},implicit_tpms_gyroid:(e,t,n)=>{const r=lt(e,Zi(Math.PI*2,t)),o=Vr(r,"yzx");return Ln(n,lt(nt.sin(r),nt.cos(o)))*(t[0]+t[1]+t[2])/18},implicit_tpms_schwarz:(e,t,n,r)=>{const o=lt(e,Zi(Math.PI*2,t)),i=Vr(o,"yzx"),s=Eo(Jo(-(1-r)),lt(nt.sin(o),r));return Ln(n,lt(nt.cos(i),s))*(t[0]+t[1]+t[2])/36},implicit_diamond:()=>0};nt.implicit_tpms_diamond=(e,t,n,r)=>{const o=lt(e,Zi(Math.PI*2,t)),i=Vr(o,"yzx"),s=Vr(o,"zxy"),a=nt.sin(o),l=nt.cos(i),u=nt.cos(s),d=1-r,m=d*a[0]*a[1]*a[2],p=Ln(n,lt(lt(a,l),Eo(lt(u,d),Jo(r))));return(m+p)*(t[0]+t[1]+t[2])/(6*2.8284271247461903*2)};nt.implicit_tpms_lidinoid=(e,t,n,r)=>{const o=lt(e,Zi(Math.PI*2,t)),i=Vr(o,"yzx"),s=Vr(o,"zxy"),a=nt.cos(lt(2,o)),l=Vr(a,"yzx"),u=1-r,d=Ln(n,lt(lt(nt.sin(s),nt.cos(i)),Eo(lt(nt.sin(lt(2,o)),u),Jo(r)))),m=u*Ln(a,l);return(d-m)*(t[0]+t[1]+t[2])/72};nt.implicit_tpms_neovius=(e,t,n,r)=>{const o=lt(e,Zi(Math.PI*2,t)),i=lt(nt.cos(o),n),s=-Ln(i,Jo(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=lt(e,Zi(Math.PI*2,t)),s=Vr(i,"yzx"),a=Vr(i,"zxy"),l=nt.sin(lt(2,i)),u=nt.cos(lt(2,i)),d=-n*Ln(lt(lt(l,nt.cos(s)),nt.sin(a)),Jo(1)),m=r*Ln(lt(l,u),Jo(1)),p=o*Ln(u,Jo(1));return(d+m+p)*(t[0]+t[1]+t[2])/36};nt.implicit_tpms_iwp=(e,t,n)=>{const r=lt(e,Zi(Math.PI*2,t)),o=Vr(r,"yzx"),i=2*Ln(lt(lt(n,nt.cos(r)),nt.cos(o)),Jo(1)),s=Ln(nt.cos(lt(2,r)),Jo(1));return(i-s)*(t[0]+t[1]+t[2])/48};nt.implicit_cubic_grid=(e,t)=>{const n=Zy(e,t);return Math.min(n[0],Math.min(n[1],n[2]))};nt.implicit_square_honeycomb=(e,t)=>{const n=Zy(Vr(e,"xy"),t);return Math.min(n[0],n[1])};nt.implicit_square_honeycomb_reinforced=(e,t,n,r,o)=>{const i=Vr(e,"xy"),s=Zy(i,t),a=Math.min(s[0],s[1]),l=lh(i,t),u=Math.PI*n;let d=Math.abs(nt.implicit_plane2(l,ir(0),ir(Math.cos(u),Math.sin(u))));if(o>.5){const m=Math.PI*r,p=Math.abs(nt.implicit_plane2(l,ir(0),ir(Math.cos(m),Math.sin(m))));d=Math.min(d,p)}return Math.min(a,d)};nt.implicit_square_diagonal_honeycomb=(e,t)=>{const n=ir(t[0]+t[1]),r=lh(Vr(e,"xy"),n),o=Math.abs(nt.implicit_plane2(r,ir(0),ir(t[1],t[0]))),i=Math.abs(nt.implicit_plane2(r,ir(0),ir(t[1],-t[0])));return Math.min(o,i)};nt.implicit_octet_honeycomb=(e,t)=>{const n=Vr(e,"xy"),r=nt.implicit_square_honeycomb(e,t),o=v1(n,t),i=Math.min(o[0],o[1]),s=zr(t)*.5,a=ir((n[0]+n[1])/1.4142135623730951,(n[0]-n[1])/1.4142135623730951),l=v1(a,ir(s));return Math.min(Math.min(r,i),Math.min(l[0],l[1]))};nt.implicit_hexagonal_honeycomb=(e,t,n)=>{const r=Vr(e,"xy"),o=lt(t,.5),i=lt(t,.25),s=ir(0,(1-n)*o[1]),a=ir(o[0],n*o[1]),l=dy(lh(r,t)),u=ir(l[0]-o[0],o[1]-l[1]),d=Math.min(nt.implicit_line_segment2(l,s,ir(0,t[1])),Math.min(nt.implicit_line_segment2(l,s,a),nt.implicit_line_segment2(l,s,ir(-a[0],a[1])))),m=Math.min(nt.implicit_line_segment2(u,s,ir(0,t[1])),Math.min(nt.implicit_line_segment2(u,s,a),nt.implicit_line_segment2(u,s,ir(-a[0],a[1]))));return l[0]<i[0]?d:m};nt.implicit_triangular_honeycomb=(e,t)=>{const n=dy(lh(Vr(e,"xy"),t)),r=lt(t,.5),o=lt(t,.25),i=ir(0,1),s=Id(ir(t[1],t[0])),a=Id(ir(t[1],-t[0])),l=Math.min(Math.abs(Ln(n,i)),Math.min(Math.abs(Ln(n,s)),Math.abs(Ln(n,a)))),u=ln(n,r),d=Math.min(Math.abs(Ln(u,i)),Math.min(Math.abs(Ln(u,s)),Math.abs(Ln(u,a))));return n[1]<o[1]?l:d};const Em=new Set(["float","int","bool","vec2","vec3","vec4"]),Kx=new Set(["const","highp","mediump","lowp","in","out","uniform","varying"]),FK=["<=",">=","==","!=","&&","||","+=","-=","*=","/=","++","--"];function zK(e){return String(e||"").replace(/\/\*[\s\S]*?\*\//g,"").replace(/\/\/.*$/gm,"")}function BK(e){const t=[],n=zK(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=FK.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 VK{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(){for(;Kx.has(this.peek()?.value);)this.consume()}parseProgram(){const t=[],n=new Map;for(;this.peek();){this.skipQualifiers();const r=this.peek()?.value;if(!Em.has(r)&&r!=="void"){this.consume();continue}this.consume();const o=this.consume().value;if(this.match("(")){const i=[];if(!this.match(")")){do{this.skipQualifiers();const s=this.consume().value,a=this.consume().value;i.push({type:s,name:a})}while(this.match(","));this.consume(")")}n.set(o,{name:o,params:i,returnType:r,body:this.parseBlock()})}else{let i={type:"literal",value:0};this.match("=")&&(i=this.parseExpression()),this.consume(";"),t.push({type:"var",varType:r,name:o,init:i})}}return{globals:t,functions:n}}parseBlock(){this.consume("{");const t=[];for(;this.peek()&&this.peek().value!=="}";)t.push(this.parseStatement());return this.consume("}"),{type:"block",body:t}}parseStatement(){if(this.peek()?.value==="{")return this.parseBlock();if(this.match(";"))return{type:"empty"};if(this.match("return")){const n=this.parseExpression();return this.consume(";"),{type:"return",expression:n}}if(this.match("if")){this.consume("(");const n=this.parseExpression();this.consume(")");const r=this.parseStatement(),o=this.match("else")?this.parseStatement():null;return{type:"if",condition:n,consequent:r,alternate:o}}if(this.match("for")){this.consume("(");const n=this.parseForPart(";");this.consume(";");const r=this.peek()?.value===";"?null:this.parseExpression();this.consume(";");const o=this.peek()?.value===")"?null:this.parseExpression();return this.consume(")"),{type:"for",init:n,condition:r,update:o,body:this.parseStatement()}}if(Em.has(this.peek()?.value)||Kx.has(this.peek()?.value)&&Em.has(this.peek(1)?.value)){const n=this.parseVariableDeclaration();return this.consume(";"),n}const t=this.parseExpression();return this.consume(";"),{type:"expr",expression:t}}parseForPart(){return Em.has(this.peek()?.value)||Kx.has(this.peek()?.value)&&Em.has(this.peek(1)?.value)?this.parseVariableDeclaration():this.peek()?.value===";"?{type:"empty"}:{type:"expr",expression:this.parseExpression()}}parseVariableDeclaration(){this.skipQualifiers();const t=this.consume().value,n=this.consume().value;let r={type:"literal",value:lO(t)};return this.match("=")&&(r=this.parseExpression()),{type:"var",varType:t,name:n,init:r}}parseExpression(){return this.parseAssignment()}parseAssignment(){const t=this.parseTernary(),n=this.peek()?.value;return["=","+=","-=","*=","/="].includes(n)?(this.consume(),{type:"assign",op:n,left:t,right:this.parseAssignment()}):t}parseTernary(){const t=this.parseLogicalOr();if(!this.match("?"))return t;const n=this.parseExpression();return this.consume(":"),{type:"ternary",condition:t,consequent:n,alternate:this.parseExpression()}}parseLogicalOr(){let t=this.parseLogicalAnd();for(;this.match("||");)t={type:"binary",op:"||",left:t,right:this.parseLogicalAnd()};return t}parseLogicalAnd(){let t=this.parseEquality();for(;this.match("&&");)t={type:"binary",op:"&&",left:t,right:this.parseEquality()};return t}parseEquality(){let t=this.parseComparison();for(;["==","!="].includes(this.peek()?.value);)t={type:"binary",op:this.consume().value,left:t,right:this.parseComparison()};return t}parseComparison(){let t=this.parseAdditive();for(;["<",">","<=",">="].includes(this.peek()?.value);)t={type:"binary",op:this.consume().value,left:t,right:this.parseAdditive()};return t}parseAdditive(){let t=this.parseMultiplicative();for(;["+","-"].includes(this.peek()?.value);)t={type:"binary",op:this.consume().value,left:t,right:this.parseMultiplicative()};return t}parseMultiplicative(){let t=this.parseUnary();for(;["*","/"].includes(this.peek()?.value);)t={type:"binary",op:this.consume().value,left:t,right:this.parseUnary()};return t}parseUnary(){return this.match("+")?this.parseUnary():this.match("-")?{type:"unary",op:"-",argument:this.parseUnary()}:this.match("!")?{type:"unary",op:"!",argument:this.parseUnary()}:this.match("++")?{type:"update",op:"++",argument:this.parseUnary(),prefix:!0}:this.match("--")?{type:"update",op:"--",argument:this.parseUnary(),prefix:!0}:this.parsePostfix()}parsePostfix(){let t=this.parsePrimary();for(;;){if(this.match(".")){t={type:"member",object:t,property:this.consume().value};continue}if(this.match("(")){const n=[];if(!this.match(")")){do n.push(this.parseExpression());while(this.match(","));this.consume(")")}t={type:"call",callee:t,args:n};continue}if(this.match("++")){t={type:"update",op:"++",argument:t,prefix:!1};continue}if(this.match("--")){t={type:"update",op:"--",argument:t,prefix:!1};continue}break}return t}parsePrimary(){const t=this.consume();if(t.type==="number")return{type:"literal",value:t.value};if(t.value==="true"||t.value==="false")return{type:"literal",value:t.value==="true"};if(t.value==="("){const n=this.parseExpression();return this.consume(")"),n}if(t.type==="identifier")return{type:"identifier",name:t.value};throw new Error(`Unexpected GLSL token: ${t.value}`)}}function lO(e){return e==="bool"?!1:e==="vec2"?ir(0):e==="vec3"?Jo(0):e==="vec4"?zw(0):0}class cO extends Error{constructor(t){super("return"),this.value=t}}class sN{constructor(t=null){this.parent=t,this.values=new Map}has(t){return this.values.has(t)||!!this.parent?.has(t)}get(t){if(this.values.has(t))return this.values.get(t);if(this.parent)return this.parent.get(t);throw new Error(`Unknown GLSL identifier: ${t}`)}set(t,n){if(this.values.has(t)){this.values.set(t,Ib(n));return}if(this.parent?.has(t)){this.parent.set(t,n);return}this.values.set(t,Ib(n))}define(t,n){this.values.set(t,Ib(n))}}function Ib(e){return Zo(e)?[...e]:e}function Ab(e,t){return t==="int"?Math.trunc(hc(e)):t==="float"?hc(e):t==="bool"?li(e):t==="vec2"?ir(e):t==="vec3"?Jo(e):t==="vec4"?zw(e):e}function $K(e,t,n){switch(e){case"+":return Eo(t,n);case"-":return ln(t,n);case"*":return lt(t,n);case"/":return Zi(t,n);case"<":return t<n;case">":return t>n;case"<=":return t<=n;case">=":return t>=n;case"==":return t===n;case"!=":return t!==n;case"&&":return li(t)&&li(n);case"||":return li(t)||li(n);default:throw new Error(`Unsupported GLSL operator: ${e}`)}}function C1(e,t,n){if(e.type==="identifier")return{get:()=>t.get(e.name),set:r=>(t.set(e.name,r),r)};if(e.type==="member"){const r=C1(e.object,t);return{get:()=>Vr(r.get(),e.property),set:o=>{const i=r.get();return kK(i,e.property,o),r.set(i),o}}}throw new Error("Unsupported GLSL assignment target")}function io(e,t,n){switch(e.type){case"literal":return Ib(e.value);case"identifier":return t.get(e.name);case"member":return Vr(io(e.object,t,n),e.property);case"unary":{const r=io(e.argument,t,n);return e.op==="-"?rO(r):e.op==="!"?!li(r):r}case"update":{const r=C1(e.argument,t),o=r.get(),i=e.op==="++"?Eo(o,1):ln(o,1);return r.set(i),e.prefix?i:o}case"binary":return e.op==="&&"?li(io(e.left,t,n))&&li(io(e.right,t,n)):e.op==="||"?li(io(e.left,t,n))||li(io(e.right,t,n)):$K(e.op,io(e.left,t,n),io(e.right,t,n));case"ternary":return li(io(e.condition,t,n))?io(e.consequent,t,n):io(e.alternate,t,n);case"assign":{const r=C1(e.left,t),o=io(e.right,t,n),i=r.get(),s=e.op==="="?o:e.op==="+="?Eo(i,o):e.op==="-="?ln(i,o):e.op==="*="?lt(i,o):Zi(i,o);return r.set(s)}case"call":{const r=e.callee.type==="identifier"?e.callee.name:"",o=e.args.map(i=>io(i,t,n));return nt[r]?nt[r](...o):n.call(r,o)}default:throw new Error(`Unsupported GLSL expression node: ${e.type}`)}}function Yc(e,t,n){switch(e.type){case"empty":return;case"block":for(const r of e.body)Yc(r,t,n);return;case"var":t.define(e.name,Ab(io(e.init,t,n),e.varType));return;case"expr":io(e.expression,t,n);return;case"return":throw new cO(io(e.expression,t,n));case"if":li(io(e.condition,t,n))?Yc(e.consequent,t,n):e.alternate&&Yc(e.alternate,t,n);return;case"for":{Yc(e.init,t,n);for(let r=0;r<1e4;r+=1){if(e.condition&&!li(io(e.condition,t,n)))return;Yc(e.body,t,n),e.update&&io(e.update,t,n)}throw new Error("GLSL for-loop exceeded exporter safety limit")}default:throw new Error(`Unsupported GLSL statement node: ${e.type}`)}}function GK(e){const t=String(e||"").trim();if(!t)throw new Error("Implicit CAD model has no GLSL source");return`${t}

float implicit_distance(vec3 p) {
  return sdf(p);
}
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hN(hN(t,n.right,d),n.screenUp,m)}function Z7(e,t="iso",{zoom:n=fN,width:r=4,height:o=3,frameMargin:i=A1,estimateFrameBounds:s=!0}={}){const a=m9(t,{strict:!0}),l=s?EO(e):xO(e)||Bp(e),u=Bp(e),d=z7(l||u);let m=qm(a.target,d);const p=a.hasExplicitZoom?a.zoom:Math.max(Be(n,fN),.05),g=a.position?[a.position[0]-m[0],a.position[1]-m[1],a.position[2]-m[2]]:qm(a.direction,[1,-1,.8]),x=Ad(g,[1,-1,.8]),y=K7(x,a.up),S=Math.max(Be(r,4)/Math.max(Be(o,3),1),.05),b=X7(l,m,y,S,i,p),I=Math.max(b,Math.max(Be(e?.radius,1),.001)*.45);!a.position&&!a.hasExplicitTarget&&(m=q7(l,m,y,I,S,p));const A=a.position?qm(a.position,[m[0]+x[0]*I,m[1]+x[1]*I,m[2]+x[2]*I]):[m[0]+x[0]*I,m[1]+x[1]*I,m[2]+x[2]*I];return{label:a.name,preset:a.preset,target:m,position:A,direction:x,up:qm(a.up,[0,0,1]),zoom:p,fov:Jy,bounds:u,frameBounds:l}}function J7(e){const t=Math.max(16,Math.min(Math.floor(Be(e.maxSteps,192)),768)),n=e.uniforms&&typeof 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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 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};

float implicit_clamp01(float value) {
  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;
}

${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);
}

// Stage-floor shadow matte for rays that miss the model, matching the mesh
// viewer's shadow-catcher plane under the part.
vec3 implicit_floor_shadowed_background(vec3 backgroundColor, 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 backgroundColor;
  }
  float tFloor = (uFloorZ - rayOrigin.z) / rayDirection.z;
  if (tFloor <= 0.0) {
    return backgroundColor;
  }
  vec3 floorPoint = rayOrigin + rayDirection * tFloor;
  float fade = 1.0 - smoothstep(uFloorFadeRadius * 0.5, uFloorFadeRadius, length(floorPoint.xy - uFloorCenter));
  if (fade < 0.002) {
    return backgroundColor;
  }
  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);
  float strength = occlusion * fade * clamp(uFloorShadowOpacity, 0.0, 1.0) * shadowStrength;
  return backgroundColor * (1.0 - strength);
}

vec3 implicit_background_color(vec2 uv) {
  if (uBackgroundMode < 0.5) {
    return uBackgroundColor;
  }
  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);
}

vec3 implicit_ray_direction(vec2 uv) {
  vec2 ndc = uv * 2.0 - 1.0;
  vec4 clip = vec4(ndc, -1.0, 1.0);
  vec4 view = uProjectionInverse * clip;
  view = vec4(view.xy, -1.0, 0.0);
  return normalize((uCameraWorld * view).xyz);
}

void main() {
  vec3 rayOrigin = uCameraPosition;
  vec2 screenUv = gl_FragCoord.xy / uResolution;
  vec3 backgroundColor = implicit_background_color(screenUv);
  vec3 rayDirection = implicit_ray_direction(screenUv);
  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 = vec4(implicit_floor_shadowed_background(backgroundColor, rayOrigin, rayDirection), uBackgroundAlpha);
    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 = vec4(implicit_floor_shadowed_background(backgroundColor, rayOrigin, rayDirection), uBackgroundAlpha);
    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 CO(e){const t=pf(e);return[t.maxSteps,t.uniformSignature||"",t.glslSource].join(`
---implicit-cad-shader-key---
`)}function Q7(){return`
varying vec2 vUv;
void main() {
  vUv = uv;
  gl_Position = vec4(position.xy, 0.0, 1.0);
}
`}function eX(e,t){const n=pf(t),r=Object.fromEntries(Object.entries(n.uniforms||{}).map(([a,l])=>[a,{value:N7(e,l)}])),o={},i=Uw(n,o,{estimate:!1}),s=new e.ShaderMaterial({name:"ImplicitCadRaymarchMaterial",depthTest:!1,depthWrite:!1,transparent:!0,uniforms:{uResolution:{value:new e.Vector2(1,1)},uCameraPosition:{value:new e.Vector3},uCameraWorld:{value:new e.Matrix4},uProjectionInverse:{value:new e.Matrix4},uBoundsMin:{value:new e.Vector3(...n.bounds.min)},uBoundsMax:{value:new e.Vector3(...n.bounds.max)},uSurfaceColor:{value:new e.Vector3(...rl(n.material.color,"#f4f4f5"))},uBackgroundColor:{value:new e.Vector3(...rl(n.background.color,_b))},uBackgroundColorA:{value:new e.Vector3(...rl(n.background.color,_b))},uBackgroundColorB:{value:new e.Vector3(...rl(n.background.color,_b))},uBackgroundMode:{value:0},uBackgroundAngle:{value:Math.PI},uBackgroundAlpha:{value:n.background.transparent?0:1},uUseProceduralColor:{value:n.colorSource?1:0},uHitEpsilon:{value:n.epsilon},uNormalEpsilon:{value:n.normalEpsilon},uMaxDistance:{value:n.maxDistance},uStepScale:{value:n.stepScale},uMaxStep:{value:n.maxStep},uStepBudget:{value:n.maxSteps},uShadowStrength:{value:1},uAmbientOcclusionStrength:{value:1},uRimStrength:{value:1},uExposure:{value:Ir.toneMappingExposure},uHemiSky:{value:new e.Vector3(...wi(Ir.hemisphere.skyColor,Ir.hemisphere.intensity,"#ffffff"))},uHemiGround:{value:new e.Vector3(...wi(Ir.hemisphere.groundColor,Ir.hemisphere.intensity,"#d6e2ee"))},uAmbientLight:{value:new e.Vector3(...wi(Ir.ambient.color,Ir.ambient.intensity,"#ffffff"))},uKeyColor:{value:new e.Vector3(...wi(Ir.directional.color,Ir.directional.intensity,"#ffffff"))},uKeyDir:{value:new e.Vector3(...au(Ir.directional.position,Ir.directional.position))},uFillColor:{value:new e.Vector3(...wi(Ir.spot.color,Ir.spot.intensity,"#f4fbff"))},uFillDir:{value:new e.Vector3(...au(Ir.spot.position,Ir.spot.position))},uBounceColor:{value:new e.Vector3(...wi(Ir.point.color,Ir.point.intensity,"#ffe2ba"))},uBounceDir:{value:new e.Vector3(...au(Ir.point.position,Ir.point.position))},uRimColor:{value:new e.Vector3(...wi(Ir.rimColor,Ir.rimIntensity,"#6db6e8"))},uFloorEnabled:{value:1},uFloorShadowOpacity:{value:Ir.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:gO(i)},...r},vertexShader:Q7(),fragmentShader:J7(n)});return Object.assign(s.userData,o),s}function tX(e,t,n){if(!t?.uniforms)return;const r=pf(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),bO(t,Uw(r,t.userData,{estimate:!1}));for(const[o,i]of Object.entries(r.uniforms||{}))_7(e,t.uniforms[o],i)}function gN({appearance:e=Tb,themeSettings:t=null}={}){return t&&typeof t=="object"&&!Array.isArray(t)?Xd(t):vK({appearance:e||Tb},{defaultThemeId:Tb})}function nX(e,t){const n=t?.lighting||{},r=Ir;e.uExposure&&(e.uExposure.value=Math.max(Be(n.toneMappingExposure,r.toneMappingExposure),.05));const o=n.hemisphere||r.hemisphere,i=o.enabled===!1?0:Be(o.intensity,r.hemisphere.intensity);if(e.uHemiSky&&e.uHemiSky.value.set(...wi(o.skyColor,i,r.hemisphere.skyColor)),e.uHemiGround&&e.uHemiGround.value.set(...wi(o.groundColor,i,r.hemisphere.groundColor)),e.uAmbientLight){const 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iX(e,t,n,r){t.updateMatrixWorld(!0),e.uniforms.uResolution.value.set(Math.max(n,1),Math.max(r,1)),e.uniforms.uCameraPosition.value.copy(t.position),e.uniforms.uCameraWorld.value.copy(t.matrixWorld),e.uniforms.uProjectionInverse.value.copy(t.projectionMatrixInverse)}function bN(e,t){const n=new e.Scene,r=pf(t),o=eX(e,t),i=new e.Mesh(new e.PlaneGeometry(2,2),o);return i.frustumCulled=!1,n.add(i),{scene:n,material:o,quad:i,shaderKey:CO(r),dispose(){i.geometry?.dispose?.(),o.dispose?.()}}}const sX=140,_1=.14,yN=4.5,aX=10,lX=14,xN=Math.PI/32,SN=Math.PI*.42,EN=.02,wN=Object.freeze([2.1,-1.65,1.08]),Ss=Object.freeze([0,0,1]),cX=.994,MO=280,uX=48,IO=8,dX=1.08,AO=400,fX="cad-glass-surface pointer-events-auto grid h-8 w-8 shrink-0 place-items-center rounded-full border border-sidebar-border text-sidebar-foreground/60 shadow-sm transition duration-150 hover:text-sidebar-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring/45",Hw=[{id:"z",title:"Jump to top 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vs(...Ss).normalize(),s=r.clone().divideScalar(o),a=Math.max(Number.isFinite(e.controls.minPolarAngle)?e.controls.minPolarAngle:0,EN),l=Math.min(Number.isFinite(e.controls.maxPolarAngle)?e.controls.maxPolarAngle:Math.PI,Math.PI-EN),u=Math.acos(Ea(s.dot(i),-1,1)),m=Ea(u+n,a,l)-u;if(Math.abs(t)>1e-6&&r.applyAxisAngle(i,t),Math.abs(m)>1e-6){let p=new vs().crossVectors(i,r).normalize();p.lengthSq()<=1e-9&&(p=new vs(1,0,0)),r.applyAxisAngle(p,m)}return e.camera.position.copy(e.controls.target).add(r),e.camera.up.set(...Ss),e.camera.lookAt(e.controls.target),!0}function bX(e,t){const n=e?.keyboardOrbitState;if(!n)return!1;const r=NO(n);if(!r.azimuth&&!r.polar)return n.lastFrameTime=0,!1;if(!n.lastFrameTime)return n.lastFrameTime=t,!1;const o=Ea((t-n.lastFrameTime)/1e3,0,.05);return n.lastFrameTime=t,_O(e,r.azimuth*SN*o,r.polar*SN*o)}function yX(e={}){const t=n=>{const r=Number(n);return 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`);if(n.length&&n[n.length-1]===""&&n.pop(),n.length%2!==0)throw new Error("DXF group code stream is malformed");const r=[];for(let o=0;o<n.length;o+=2){const i=Number.parseInt(n[o].trim(),10);if(!Number.isFinite(i))throw new Error(`Invalid DXF group code: ${JSON.stringify(n[o])}`);r.push({code:i,value:n[o+1]??""})}return r}function ene(e){let t=0;for(let n=0;n<e.length;n+=1){const r=e[n];if(r.code!==9)continue;const o=String(r.value||"").trim(),i=e[n+1];i&&o==="$INSUNITS"&&(t=Math.max(0,Math.trunc(vo(i.value,0))))}return{sourceUnits:t,defaultThicknessMm:0}}function tne(e){const t=l0(e.find(s=>s.code===8)?.value),n=vo(e.find(s=>s.code===10)?.value),r=vo(e.find(s=>s.code===20)?.value),o=vo(e.find(s=>s.code===11)?.value),i=vo(e.find(s=>s.code===21)?.value);return{layer:t,start:[n,r],end:[o,i]}}function nne(e){const t=l0(e.find(s=>s.code===8)?.value),n=vo(e.find(s=>s.code===40)?.value,-1);if(n<=0)throw new Error("Invalid DXF arc radius");const r=ou(vo(e.find(s=>s.code===50)?.value));let i=(ou(vo(e.find(s=>s.code===51)?.value))-r+360)%360;return i<=ll&&(i=360),{layer:t,center:[vo(e.find(s=>s.code===10)?.value),vo(e.find(s=>s.code===20)?.value)],radius:n,startAngleDeg:r,sweepAngleDeg:i,endAngleDeg:r+i}}function rne(e){const t=l0(e.find(r=>r.code===8)?.value),n=vo(e.find(r=>r.code===40)?.value,-1);if(n<=0)throw new Error("Invalid DXF circle radius");return{layer:t,center:[vo(e.find(r=>r.code===10)?.value),vo(e.find(r=>r.code===20)?.value)],radius:n}}function one(e,t,n,r){const o=n[0]-t[0],i=n[1]-t[1],s=Math.hypot(o,i);if(s<=ll||Math.abs(r)<=ll)return null;const a=4*Math.atan(r),l=s*(1+r*r)/(4*Math.abs(r)),u=[(t[0]+n[0])/2,(t[1]+n[1])/2],d=[-i/s,o/s],m=s*(1-r*r)/(4*r),p=[u[0]+d[0]*m,u[1]+d[1]*m];return{layer:e,center:p,radius:l,startAngleDeg:ou(Math.atan2(t[1]-p[1],t[0]-p[0])*180/Math.PI),sweepAngleDeg:a*180/Math.PI}}function ine(e){const t=l0(e.find(l=>l.code===8)?.value),n=Math.trunc(vo(e.find(l=>l.code===70)?.value,0)),r=[];let o=null;for(const l of e){if(l.code===10){o&&Number.isFinite(o.point[0])&&Number.isFinite(o.point[1])&&r.push(o),o={point:[vo(l.value),Number.NaN],bulge:0};continue}if(l.code===20&&o){o.point[1]=vo(l.value);continue}l.code===42&&o&&(o.bulge=vo(l.value))}if(o&&Number.isFinite(o.point[0])&&Number.isFinite(o.point[1])&&r.push(o),r.length<2)throw new Error("Invalid DXF LWPOLYLINE; expected at least 2 vertices");const i=[],s=[],a=(l,u)=>{const d=l.point,m=u.point;if(!(d[0]===m[0]&&d[1]===m[1])){if(Math.abs(l.bulge)>ll){const p=one(t,d,m,l.bulge);p&&s.push(p);return}i.push({layer:t,start:d,end:m})}};for(let l=0;l<r.length-1;l+=1)a(r[l],r[l+1]);return(n&1)!==0&&a(r[r.length-1],r[0]),{lines:i,arcs:s}}function sne(e){const t=[],n=[],r=[];let o=0;for(;o<e.length;){const i=e[o];if(i.code!==0){o+=1;continue}const s=String(i.value||"").trim().toUpperCase();if(s==="ENDSEC")break;const a=[];for(o+=1;o<e.length&&e[o].code!==0;)a.push(e[o]),o+=1;if(!Kte.has(s))throw new Error(`Unsupported DXF entity ${s}`);if(s==="LINE"){t.push(tne(a));continue}if(s==="ARC"){n.push(nne(a));continue}if(s==="CIRCLE"){r.push(rne(a));continue}const l=ine(a);t.push(...l.lines),n.push(...l.arcs)}if(!t.length&&!n.length&&!r.length)throw new Error("No supported DXF entities found");return{lines:t,arcs:n,circles:r}}function ane(e){const t=new Map;let n=0;for(;n<e.length;){const r=e[n];if(r.code!==0||String(r.value||"").trim().toUpperCase()!=="SECTION"){n+=1;continue}const o=e[n+1],i=String(o?.value||"").trim().toUpperCase();n+=2;const s=[];for(;n<e.length;){const a=e[n];if(a.code===0&&String(a.value||"").trim().toUpperCase()==="ENDSEC"){n+=1;break}s.push(a),n+=1}t.set(i,s)}return t}function q_(e,t,n){return{layer:e,kind:t,d:n}}function bS(e,t){const n=e.get(t);if(n)return n;const r={name:t,kind:Wc(t),pathCount:0,circleCount:0};return e.set(t,r),r}function lne(e,{fileRef:t="",sourceUrl:n=""}={}){const r=Qte(e),o=ane(r),i=ene(o.get("HEADER")||[]),s=sne(o.get("ENTITIES")||[]);let a=null;for(const g of s.lines)a=gS(a,qte(g));for(const g of s.arcs)a=gS(a,Jte(g));for(const g of s.circles)a=gS(a,Zte(g));if(!a)throw new Error("Failed to compute DXF bounds");const l=Math.max(a.maxX-a.minX,0),u=Math.max(a.maxY-a.minY,0),d=[],m=[],p=new Map;for(const g of s.lines){const x=Om(g.start,{minX:a.minX,maxY:a.maxY}),y=Om(g.end,{minX:a.minX,maxY:a.maxY});d.push(q_(g.layer,Wc(g.layer),`M ${Pn(x[0])} ${Pn(x[1])} L ${Pn(y[0])} ${Pn(y[1])}`)),bS(p,g.layer).pathCount+=1}for(const g of s.arcs){const x=Om(Mp(g.center,g.radius,g.startAngleDeg),{minX:a.minX,maxY:a.maxY}),y=Om(Mp(g.center,g.radius,g.startAngleDeg+g.sweepAngleDeg),{minX:a.minX,maxY:a.maxY}),S=Math.abs(g.sweepAngleDeg)>180+ll?1:0,b=g.sweepAngleDeg>=0?0:1;d.push(q_(g.layer,Wc(g.layer),`M ${Pn(x[0])} ${Pn(x[1])} A ${Pn(g.radius)} ${Pn(g.radius)} 0 ${S} ${b} ${Pn(y[0])} ${Pn(y[1])}`)),bS(p,g.layer).pathCount+=1}for(const g of s.circles){const x=Om(g.center,{minX:a.minX,maxY:a.maxY});m.push({layer:g.layer,kind:Wc(g.layer),cx:Pn(x[0]),cy:Pn(x[1]),r:Pn(g.radius)}),bS(p,g.layer).circleCount+=1}return{schemaVersion:Hte,fileRef:t,sourceUrl:n,sourceUnits:i.sourceUnits,defaultThicknessMm:Pn(i.defaultThicknessMm),bounds:{minX:0,minY:0,maxX:Pn(l),maxY:Pn(u),width:Pn(l),height:Pn(u)},counts:{paths:d.length,circles:m.length,entities:d.length+m.length},layers:[...p.keys()].sort().map(g=>p.get(g)),geometry:{lines:s.lines.map(g=>({layer:g.layer,kind:Wc(g.layer),start:[Pn(g.start[0]),Pn(g.start[1])],end:[Pn(g.end[0]),Pn(g.end[1])]})),arcs:s.arcs.map(g=>({layer:g.layer,kind:Wc(g.layer),center:[Pn(g.center[0]),Pn(g.center[1])],radius:Pn(g.radius),startAngleDeg:Pn(g.startAngleDeg),sweepAngleDeg:Pn(g.sweepAngleDeg)})),circles:s.circles.map(g=>({layer:g.layer,kind:Wc(g.layer),center:[Pn(g.center[0]),Pn(g.center[1])],radius:Pn(g.radius)}))},paths:d,circles:m}}const cne=1,uD=1e-7,yS=1e-7,une=.8,dne=6,fne=160,cc=Object.freeze({id:"unclassified",label:"Unclassified",category:"other",rawLabel:""}),Z_=Object.freeze({support:0,wall:1,surface:2,infill:3,adhesion:4,calibration:5,other:6}),mne=Object.freeze([{id:"support-interface",label:"Support interface",category:"support",patterns:[/\bsupport\b.*\b(interface|roof|floor)\b/,/\binterface\b.*\bsupport\b/]},{id:"support",label:"Support",category:"support",patterns:[/\bsupport(?:s| material)?\b/]},{id:"overhang-wall",label:"Overhang wall",category:"wall",patterns:[/\boverhang\b.*\b(wall|perimeter)\b/]},{id:"outer-wall",label:"Outer wall",category:"wall",patterns:[/\bouter\b.*\b(wall|perimeter|shell)\b/,/\bexternal\b.*\b(perimeter|wall|shell)\b/,/\bwall outer\b/]},{id:"inner-wall",label:"Inner wall",category:"wall",patterns:[/\binner\b.*\b(wall|perimeter|shell)\b/,/\binternal\b.*\bperimeter\b/,/\bwall inner\b/]},{id:"wall",label:"Wall",category:"wall",patterns:[/\b(wall|perimeter|shell)\b/]},{id:"bridge",label:"Bridge",category:"surface",patterns:[/\bbridge\b/]},{id:"top-surface",label:"Top surface",category:"surface",patterns:[/\btop\b.*\b(surface|skin|shell|solid infill|infill)\b/]},{id:"bottom-surface",label:"Bottom surface",category:"surface",patterns:[/\bbottom\b.*\b(surface|skin|shell|solid infill|infill)\b/]},{id:"surface",label:"Surface",category:"surface",patterns:[/\b(skin|surface)\b/]},{id:"gap-fill",label:"Gap fill",category:"infill",patterns:[/\bgap\b.*\bfill\b/]},{id:"internal-solid-infill",label:"Internal solid infill",category:"infill",patterns:[/\binternal\b.*\bsolid\b.*\binfill\b/,/\bsolid\b.*\binfill\b/]},{id:"sparse-infill",label:"Sparse infill",category:"infill",patterns:[/\bsparse\b.*\binfill\b/,/\binternal\b.*\binfill\b/,/\bfill\b/]},{id:"infill",label:"Infill",category:"infill",patterns:[/\binfill\b/]},{id:"skirt",label:"Skirt",category:"adhesion",patterns:[/\bskirt\b/]},{id:"brim",label:"Brim",category:"adhesion",patterns:[/\bbrim\b/]},{id:"raft",label:"Raft",category:"adhesion",patterns:[/\braft\b/]},{id:"prime-tower",label:"Prime tower",category:"calibration",patterns:[/\b(prime|wipe)\b.*\btower\b/]},{id:"ironing",label:"Ironing",category:"surface",patterns:[/\bironing\b/]},{id:"flush",label:"Flush",category:"calibration",patterns:[/\bflush\b/]},{id:"wipe",label:"Wipe",category:"calibration",patterns:[/\bwipe\b/]},{id:"custom",label:"Custom",category:"other",patterns:[/\bcustom\b/]}]),pne=new Set(["G0","G1","G2","G3","G20","G21","G28","G90","G91","G92","M82","M83","M84","M104","M106","M107","M109","M140","M190"]);function Yi(e,t=0){const n=Number(e);return Number.isFinite(n)?n:t}function Ny(e){return[Yi(e?.[0]),Yi(e?.[1]),Yi(e?.[2])]}function dD(e){return String(e||"").split(";",1)[0].trim()}function hne(e){const t=dD(e).toUpperCase();if(!t)return"";const n=t.split(/\s+/,1)[0];return/^[GMT]\d+(?:\.\d+)?$/.test(n)?n.split(".",1)[0]:n}function gne(e){const t=dD(e).toUpperCase(),n={};for(const r of t.matchAll(/([A-Z])([-+]?(?:\d+(?:\.\d*)?|\.\d+))/g))n[r[1]]=Number(r[2]);return n}function bne(e){const t=String(e||""),n=t.indexOf(";");return n>=0?t.slice(n+1).trim():""}function Mv(e){return String(e||"").replace(/^["']+|["']+$/g,"").replace(/[_-]+/g," ").replace(/\s+/g," ").trim()}function yne(e){return Mv(e).toLowerCase().replace(/[^a-z0-9]+/g,"-").replace(/^-+|-+$/g,"").slice(0,80)}function xne(e){const t=Mv(e);return t?t.toLowerCase().split(" ").map(n=>n?`${n[0].toUpperCase()}${n.slice(1)}`:"").join(" "):"Other"}function Sne(e){const t=Mv(e),n=t.toLowerCase();for(const o of mne)if(o.patterns.some(i=>i.test(n)))return{id:o.id,label:o.label,category:o.category,rawLabel:t};const r=yne(t);return{id:r?`other:${r}`:cc.id,label:r?xne(t):cc.label,category:"other",rawLabel:t}}function Ene(e){const t=bne(e);if(!t)return null;const n=t.match(/^(?:FEATURE|TYPE|PRINT_FEATURE|TOOLPATH(?:_TYPE)?|PATH_TYPE)\s*[:=]\s*(.+)$/i);return n?.[1]?Sne(n[1]):null}function wne(e,t){const n=Yi(t?.[0])-Yi(e?.[0]),r=Yi(t?.[1])-Yi(e?.[1]),o=Yi(t?.[2])-Yi(e?.[2]);return Math.hypot(n,r,o)}function fl(e){return Math.round(Yi(e)*1e6)/1e6}function J_(e,t){const n=Ny(t);for(let r=0;r<3;r+=1)e.min[r]=Math.min(e.min[r],n[r]),e.max[r]=Math.max(e.max[r],n[r])}function Q_(e){return fl(e).toFixed(6)}function vne(e,t){if(!e.length)return 0;const n=fl(t);let r=0,o=1/0;for(let i=0;i<e.length;i+=1){const s=Math.abs(Yi(e[i]?.z)-n);s<o&&(r=i,o=s)}return r}function Cne(e,t,n){return[Object.hasOwn(t,"X")?n?t.X:e.x+t.X:e.x,Object.hasOwn(t,"Y")?n?t.Y:e.y+t.Y:e.y,Object.hasOwn(t,"Z")?n?t.Z:e.z+t.Z:e.z]}function Mne(e,t,n){return Object.hasOwn(t,"E")?n?t.E:e.e+t.E:e.e}function xS(e,t,n,{lineNumber:r,command:o,start:i,end:s,extrusionDelta:a=0,feedRate:l=null,arc:u=!1,feature:d=null}){const m=wne(i,s);if(m<=uD){a<-yS?n.retractMoves+=1:a>yS&&(n.primeMoves+=1);return}const p=a>yS?"extrusion":"travel";p==="extrusion"?(n.extrusionMoves+=1,n.extrusionMm+=a):n.travelMoves+=1,n.movementCommands+=1,n.pathMm+=m,J_(t,i),J_(t,s),e.push({lineNumber:r,command:o,kind:p,start:Ny(i),end:Ny(s),z:fl(s[2]),extrusionDelta:a,feedRate:Number.isFinite(l)?l:null,lengthMm:m,arc:!!u,featureId:d?.id||cc.id,featureLabel:d?.label||cc.label,featureCategory:d?.category||cc.category,featureRaw:d?.rawLabel||""})}function Ine({start:e,end:t,tokens:n,clockwise:r}){if(!Object.hasOwn(n,"I")||!Object.hasOwn(n,"J"))return null;const o=e[0]+n.I,i=e[1]+n.J,s=Math.hypot(e[0]-o,e[1]-i);if(!(s>uD))return null;const a=Math.atan2(e[1]-i,e[0]-o);let u=Math.atan2(t[1]-i,t[0]-o)-a;r&&u>=0?u-=Math.PI*2:!r&&u<=0&&(u+=Math.PI*2);const d=Math.ceil(Math.abs(u*s)/une),m=Math.max(dne,Math.min(fne,d)),p=[Ny(e)];for(let g=1;g<=m;g+=1){const x=g/m,y=a+u*x;p.push([o+s*Math.cos(y),i+s*Math.sin(y),e[2]+(t[2]-e[2])*x])}return p}function Ane(e){return!e.min.every(Number.isFinite)||!e.max.every(Number.isFinite)?{min:[0,0,0],max:[1,1,1]}:{min:e.min.map(t=>fl(t)),max:e.max.map(t=>fl(t))}}function Nne(e){const t=new Map;for(const r of e){if(r.kind!=="extrusion")continue;const o=Q_(r.z);t.has(o)||t.set(o,fl(r.z))}if(!t.size)for(const r of e){const o=Q_(r.z);t.has(o)||t.set(o,fl(r.z))}const n=[...t.values()].sort((r,o)=>r-o).map((r,o)=>({index:o,z:r,segmentCount:0,extrusionMoves:0,travelMoves:0}));for(const r of e){const o=vne(n,r.z);r.layerIndex=o,n[o]&&(n[o].segmentCount+=1,r.kind==="extrusion"?n[o].extrusionMoves+=1:n[o].travelMoves+=1)}return n}function eT(e,t){const n=t?.id?t:cc;e.has(n.id)||e.set(n.id,{id:n.id,label:n.label||cc.label,category:n.category||cc.category,rawLabels:new Set,markerCount:0,firstLine:null,lastLine:null,firstLayerIndex:null,lastLayerIndex:null,segmentCount:0,extrusionMoves:0,travelMoves:0,extrusionMm:0,pathMm:0});const r=e.get(n.id);return n.rawLabel&&r.rawLabels.add(n.rawLabel),r}function _ne(e){return!Number.isInteger(e.firstLayerIndex)||!Number.isInteger(e.lastLayerIndex)?"":e.firstLayerIndex===e.lastLayerIndex?`Layer ${e.firstLayerIndex+1}`:`Layers ${e.firstLayerIndex+1}-${e.lastLayerIndex+1}`}function Tne(e,t){const n=new Map;for(const r of t){const o=eT(n,r.feature);o.markerCount+=1,o.firstLine=o.firstLine==null?r.lineNumber:Math.min(o.firstLine,r.lineNumber),o.lastLine=o.lastLine==null?r.lineNumber:Math.max(o.lastLine,r.lineNumber)}for(const r of e){const o=eT(n,{id:r.featureId,label:r.featureLabel,category:r.featureCategory,rawLabel:r.featureRaw});o.segmentCount+=1,o.pathMm+=Yi(r.lengthMm),Number.isInteger(r.layerIndex)&&(o.firstLayerIndex=o.firstLayerIndex==null?r.layerIndex:Math.min(o.firstLayerIndex,r.layerIndex),o.lastLayerIndex=o.lastLayerIndex==null?r.layerIndex:Math.max(o.lastLayerIndex,r.layerIndex)),r.kind==="extrusion"?(o.extrusionMoves+=1,o.extrusionMm+=Yi(r.extrusionDelta)):r.kind==="travel"&&(o.travelMoves+=1)}return[...n.values()].map(r=>({...r,rawLabels:[...r.rawLabels].sort((o,i)=>o.localeCompare(i)),layerRangeText:_ne(r),pathMm:fl(r.pathMm),extrusionMm:fl(r.extrusionMm)})).sort((r,o)=>{const i=(Z_[r.category]??99)-(Z_[o.category]??99);if(i!==0)return i;const s=o.extrusionMoves-r.extrusionMoves;return s!==0?s:r.label.localeCompare(o.label)})}function Rne(e,t){const n=[...e],r=[...t.entries()].sort((o,i)=>o[0].localeCompare(i[0])).slice(0,12).map(([o,i])=>`${o} line ${i}`);return r.length&&n.push(`Unsupported or ignored 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