@jscad/modeling
Version:
Constructive Solid Geometry (CSG) Library for JSCAD
314 lines (210 loc) • 247 kB
JavaScript
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.jscadModeling = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
const cssColors=require("./cssColors"),colorNameToRgb=o=>cssColors[o.toLowerCase()];module.exports=colorNameToRgb;
},{"./cssColors":3}],2:[function(require,module,exports){
const flatten=require("../utils/flatten"),geom2=require("../geometries/geom2"),geom3=require("../geometries/geom3"),path2=require("../geometries/path2"),poly3=require("../geometries/poly3"),colorGeom2=(o,r)=>{const e=geom2.clone(r);return e.color=o,e},colorGeom3=(o,r)=>{const e=geom3.clone(r);return e.color=o,e},colorPath2=(o,r)=>{const e=path2.clone(r);return e.color=o,e},colorPoly3=(o,r)=>{const e=poly3.clone(r);return e.color=o,e},colorize=(o,...r)=>{if(!Array.isArray(o))throw new Error("color must be an array");if(o.length<3)throw new Error("color must contain R, G and B values");if(3===o.length&&(o=[o[0],o[1],o[2],1]),0===(r=flatten(r)).length)throw new Error("wrong number of arguments");const e=r.map(r=>geom2.isA(r)?colorGeom2(o,r):geom3.isA(r)?colorGeom3(o,r):path2.isA(r)?colorPath2(o,r):poly3.isA(r)?colorPoly3(o,r):(r.color=o,r));return 1===e.length?e[0]:e};module.exports=colorize;
},{"../geometries/geom2":25,"../geometries/geom3":41,"../geometries/path2":62,"../geometries/poly3":79,"../utils/flatten":398}],3:[function(require,module,exports){
const cssColors={black:[0,0,0],silver:[192/255,192/255,192/255],gray:[128/255,128/255,128/255],white:[1,1,1],maroon:[128/255,0,0],red:[1,0,0],purple:[128/255,0,128/255],fuchsia:[1,0,1],green:[0,128/255,0],lime:[0,1,0],olive:[128/255,128/255,0],yellow:[1,1,0],navy:[0,0,128/255],blue:[0,0,1],teal:[0,128/255,128/255],aqua:[0,1,1],aliceblue:[240/255,248/255,1],antiquewhite:[250/255,235/255,215/255],aquamarine:[127/255,1,212/255],azure:[240/255,1,1],beige:[245/255,245/255,220/255],bisque:[1,228/255,196/255],blanchedalmond:[1,235/255,205/255],blueviolet:[138/255,43/255,226/255],brown:[165/255,42/255,42/255],burlywood:[222/255,184/255,135/255],cadetblue:[95/255,158/255,160/255],chartreuse:[127/255,1,0],chocolate:[210/255,105/255,30/255],coral:[1,127/255,80/255],cornflowerblue:[100/255,149/255,237/255],cornsilk:[1,248/255,220/255],crimson:[220/255,20/255,60/255],cyan:[0,1,1],darkblue:[0,0,139/255],darkcyan:[0,139/255,139/255],darkgoldenrod:[184/255,134/255,11/255],darkgray:[169/255,169/255,169/255],darkgreen:[0,100/255,0],darkgrey:[169/255,169/255,169/255],darkkhaki:[189/255,183/255,107/255],darkmagenta:[139/255,0,139/255],darkolivegreen:[85/255,107/255,47/255],darkorange:[1,140/255,0],darkorchid:[.6,50/255,.8],darkred:[139/255,0,0],darksalmon:[233/255,150/255,122/255],darkseagreen:[143/255,188/255,143/255],darkslateblue:[72/255,61/255,139/255],darkslategray:[47/255,79/255,79/255],darkslategrey:[47/255,79/255,79/255],darkturquoise:[0,206/255,209/255],darkviolet:[148/255,0,211/255],deeppink:[1,20/255,147/255],deepskyblue:[0,191/255,1],dimgray:[105/255,105/255,105/255],dimgrey:[105/255,105/255,105/255],dodgerblue:[30/255,144/255,1],firebrick:[178/255,34/255,34/255],floralwhite:[1,250/255,240/255],forestgreen:[34/255,139/255,34/255],gainsboro:[220/255,220/255,220/255],ghostwhite:[248/255,248/255,1],gold:[1,215/255,0],goldenrod:[218/255,165/255,32/255],greenyellow:[173/255,1,47/255],grey:[128/255,128/255,128/255],honeydew:[240/255,1,240/255],hotpink:[1,105/255,180/255],indianred:[205/255,92/255,92/255],indigo:[75/255,0,130/255],ivory:[1,1,240/255],khaki:[240/255,230/255,140/255],lavender:[230/255,230/255,250/255],lavenderblush:[1,240/255,245/255],lawngreen:[124/255,252/255,0],lemonchiffon:[1,250/255,205/255],lightblue:[173/255,216/255,230/255],lightcoral:[240/255,128/255,128/255],lightcyan:[224/255,1,1],lightgoldenrodyellow:[250/255,250/255,210/255],lightgray:[211/255,211/255,211/255],lightgreen:[144/255,238/255,144/255],lightgrey:[211/255,211/255,211/255],lightpink:[1,182/255,193/255],lightsalmon:[1,160/255,122/255],lightseagreen:[32/255,178/255,170/255],lightskyblue:[135/255,206/255,250/255],lightslategray:[119/255,136/255,.6],lightslategrey:[119/255,136/255,.6],lightsteelblue:[176/255,196/255,222/255],lightyellow:[1,1,224/255],limegreen:[50/255,205/255,50/255],linen:[250/255,240/255,230/255],magenta:[1,0,1],mediumaquamarine:[.4,205/255,170/255],mediumblue:[0,0,205/255],mediumorchid:[186/255,85/255,211/255],mediumpurple:[147/255,112/255,219/255],mediumseagreen:[60/255,179/255,113/255],mediumslateblue:[123/255,104/255,238/255],mediumspringgreen:[0,250/255,154/255],mediumturquoise:[72/255,209/255,.8],mediumvioletred:[199/255,21/255,133/255],midnightblue:[25/255,25/255,112/255],mintcream:[245/255,1,250/255],mistyrose:[1,228/255,225/255],moccasin:[1,228/255,181/255],navajowhite:[1,222/255,173/255],oldlace:[253/255,245/255,230/255],olivedrab:[107/255,142/255,35/255],orange:[1,165/255,0],orangered:[1,69/255,0],orchid:[218/255,112/255,214/255],palegoldenrod:[238/255,232/255,170/255],palegreen:[152/255,251/255,152/255],paleturquoise:[175/255,238/255,238/255],palevioletred:[219/255,112/255,147/255],papayawhip:[1,239/255,213/255],peachpuff:[1,218/255,185/255],peru:[205/255,133/255,63/255],pink:[1,192/255,203/255],plum:[221/255,160/255,221/255],powderblue:[176/255,224/255,230/255],rosybrown:[188/255,143/255,143/255],royalblue:[65/255,105/255,225/255],saddlebrown:[139/255,69/255,19/255],salmon:[250/255,128/255,114/255],sandybrown:[244/255,164/255,96/255],seagreen:[46/255,139/255,87/255],seashell:[1,245/255,238/255],sienna:[160/255,82/255,45/255],skyblue:[135/255,206/255,235/255],slateblue:[106/255,90/255,205/255],slategray:[112/255,128/255,144/255],slategrey:[112/255,128/255,144/255],snow:[1,250/255,250/255],springgreen:[0,1,127/255],steelblue:[70/255,130/255,180/255],tan:[210/255,180/255,140/255],thistle:[216/255,191/255,216/255],tomato:[1,99/255,71/255],turquoise:[64/255,224/255,208/255],violet:[238/255,130/255,238/255],wheat:[245/255,222/255,179/255],whitesmoke:[245/255,245/255,245/255],yellowgreen:[154/255,205/255,50/255]};module.exports=cssColors;
},{}],4:[function(require,module,exports){
const hexToRgb=t=>{if((t=t.replace("#","")).length<6)throw new Error("the given notation must contain 3 or more hex values");const e=parseInt(t.substring(0,2),16)/255,n=parseInt(t.substring(2,4),16)/255,r=parseInt(t.substring(4,6),16)/255;if(t.length>=8){return[e,n,r,parseInt(t.substring(6,8),16)/255]}return[e,n,r]};module.exports=hexToRgb;
},{}],5:[function(require,module,exports){
const flatten=require("../utils/flatten"),hueToColorComponent=require("./hueToColorComponent"),hslToRgb=(...o)=>{if((o=flatten(o)).length<3)throw new Error("values must contain H, S and L values");const e=o[0],n=o[1],t=o[2];let r=t,l=t,u=t;if(0!==n){const o=t<.5?t*(1+n):t+n-t*n,h=2*t-o;r=hueToColorComponent(h,o,e+1/3),l=hueToColorComponent(h,o,e),u=hueToColorComponent(h,o,e-1/3)}if(o.length>3){return[r,l,u,o[3]]}return[r,l,u]};module.exports=hslToRgb;
},{"../utils/flatten":398,"./hueToColorComponent":7}],6:[function(require,module,exports){
const flatten=require("../utils/flatten"),hsvToRgb=(...e)=>{if((e=flatten(e)).length<3)throw new Error("values must contain H, S and V values");const t=e[0],a=e[1],r=e[2];let s=0,n=0,o=0;const c=Math.floor(6*t),l=6*t-c,u=r*(1-a),b=r*(1-l*a),h=r*(1-(1-l)*a);switch(c%6){case 0:s=r,n=h,o=u;break;case 1:s=b,n=r,o=u;break;case 2:s=u,n=r,o=h;break;case 3:s=u,n=b,o=r;break;case 4:s=h,n=u,o=r;break;case 5:s=r,n=u,o=b}if(e.length>3){return[s,n,o,e[3]]}return[s,n,o]};module.exports=hsvToRgb;
},{"../utils/flatten":398}],7:[function(require,module,exports){
const hueToColorComponent=(o,e,n)=>(n<0&&(n+=1),n>1&&(n-=1),n<1/6?o+6*(e-o)*n:n<.5?e:n<2/3?o+(e-o)*(2/3-n)*6:o);module.exports=hueToColorComponent;
},{}],8:[function(require,module,exports){
module.exports={colorize:require("./colorize"),colorNameToRgb:require("./colorNameToRgb"),cssColors:require("./cssColors"),hexToRgb:require("./hexToRgb"),hslToRgb:require("./hslToRgb"),hsvToRgb:require("./hsvToRgb"),hueToColorComponent:require("./hueToColorComponent"),rgbToHex:require("./rgbToHex"),rgbToHsl:require("./rgbToHsl"),rgbToHsv:require("./rgbToHsv")};
},{"./colorNameToRgb":1,"./colorize":2,"./cssColors":3,"./hexToRgb":4,"./hslToRgb":5,"./hsvToRgb":6,"./hueToColorComponent":7,"./rgbToHex":9,"./rgbToHsl":10,"./rgbToHsv":11}],9:[function(require,module,exports){
const flatten=require("../utils/flatten"),rgbToHex=(...t)=>{if((t=flatten(t)).length<3)throw new Error("values must contain R, G and B values");const e=255*t[0],r=255*t[1],n=255*t[2];let o=`#${Number(16777216+65536*e+256*r+n).toString(16).substring(1,7)}`;return t.length>3&&(o+=Number(255*t[3]).toString(16)),o};module.exports=rgbToHex;
},{"../utils/flatten":398}],10:[function(require,module,exports){
const flatten=require("../utils/flatten"),rgbToHsl=(...t)=>{if((t=flatten(t)).length<3)throw new Error("values must contain R, G and B values");const e=t[0],n=t[1],s=t[2],a=Math.max(e,n,s),r=Math.min(e,n,s);let l,o;const c=(a+r)/2;if(a===r)l=o=0;else{const t=a-r;switch(o=c>.5?t/(2-a-r):t/(a+r),a){case e:l=(n-s)/t+(n<s?6:0);break;case n:l=(s-e)/t+2;break;case s:l=(e-n)/t+4}l/=6}if(t.length>3){return[l,o,c,t[3]]}return[l,o,c]};module.exports=rgbToHsl;
},{"../utils/flatten":398}],11:[function(require,module,exports){
const flatten=require("../utils/flatten"),rgbToHsv=(...e)=>{if((e=flatten(e)).length<3)throw new Error("values must contain R, G and B values");const t=e[0],a=e[1],n=e[2],r=Math.max(t,a,n),s=Math.min(t,a,n);let l;const o=r,c=r-s,i=0===r?0:c/r;if(r===s)l=0;else{switch(r){case t:l=(a-n)/c+(a<n?6:0);break;case a:l=(n-t)/c+2;break;case n:l=(t-a)/c+4}l/=6}if(e.length>3){return[l,i,o,e[3]]}return[l,i,o]};module.exports=rgbToHsv;
},{"../utils/flatten":398}],12:[function(require,module,exports){
const lengths=require("./lengths"),arcLengthToT=(e,t)=>{const{distance:s,segments:n}=Object.assign({},{distance:0,segments:100},e),o=lengths(n,t);let r=0,c=n;for(;r<=c;){const e=Math.floor(r+(c-r)/2),t=o[e]-s;if(t<0)r=e+1;else{if(!(t>0)){c=e;break}c=e-1}}const g=c;if(o[g]===s)return g/n;const a=o[g];return(g+(s-a)/(o[g+1]-a))/n};module.exports=arcLengthToT;
},{"./lengths":16}],13:[function(require,module,exports){
const create=e=>{if(!Array.isArray(e))throw new Error("Bezier points must be a valid array/");if(e.length<2)throw new Error("Bezier points must contain at least 2 values.");const r=getPointType(e);return{points:e,pointType:r,dimensions:"float_single"===r?0:e[0].length,permutations:getPermutations(e.length-1),tangentPermutations:getPermutations(e.length-2)}},getPointType=function(e){let r=null;return e.forEach(e=>{let t="";if(Number.isFinite(e))t="float_single";else{if(!Array.isArray(e))throw new Error("Bezier points must all be numbers or arrays of number.");e.forEach(e=>{if(!Number.isFinite(e))throw new Error("Bezier point values must all be numbers.")}),t="float_"+e.length}if(null==r)r=t;else if(r!==t)throw new Error("Bezier points must be either all numbers or all arrays of numbers of the same size.")}),r},getPermutations=function(e){const r=[];for(let t=0;t<=e;t++)r.push(factorial(e)/(factorial(t)*factorial(e-t)));return r},factorial=function(e){let r=1;for(let t=2;t<=e;t++)r*=t;return r};module.exports=create;
},{}],14:[function(require,module,exports){
module.exports={create:require("./create"),valueAt:require("./valueAt"),tangentAt:require("./tangentAt"),lengths:require("./lengths"),length:require("./length"),arcLengthToT:require("./arcLengthToT")};
},{"./arcLengthToT":12,"./create":13,"./length":15,"./lengths":16,"./tangentAt":17,"./valueAt":18}],15:[function(require,module,exports){
const lengths=require("./lengths"),length=(e,t)=>lengths(e,t)[e];module.exports=length;
},{"./lengths":16}],16:[function(require,module,exports){
const valueAt=require("./valueAt"),lengths=(e,r)=>{let t=0;const n=[0];let s=valueAt(0,r);for(let a=1;a<=e;a++){const i=valueAt(a/e,r);t+=distanceBetween(i,s),n.push(t),s=i}return n},distanceBetween=(e,r)=>{if(Number.isFinite(e)&&Number.isFinite(r))return Math.abs(e-r);if(Array.isArray(e)&&Array.isArray(r)){if(e.length!==r.length)throw new Error("The operands must have the same number of dimensions.");let t=0;for(let n=0;n<e.length;n++)t+=(r[n]-e[n])*(r[n]-e[n]);return Math.sqrt(t)}throw new Error("The operands must be of the same type, either number or array.")};module.exports=lengths;
},{"./valueAt":18}],17:[function(require,module,exports){
const tangentAt=(t,n)=>{if(t<0||t>1)throw new Error("Bezier tangentAt() input must be between 0 and 1");if("float_single"===n.pointType)return bezierTangent(n,n.points,t);{const e=[];for(let o=0;o<n.dimensions;o++){const r=[];for(let t=0;t<n.points.length;t++)r.push(n.points[t][o]);e.push(bezierTangent(n,r,t))}return e}},bezierTangent=function(t,n,e){const o=n.length-1;let r=0;for(let i=0;i<o;i++){const s=o*(n[i+1]-n[i]);r+=t.tangentPermutations[i]*Math.pow(1-e,o-1-i)*Math.pow(e,i)*s}return r};module.exports=tangentAt;
},{}],18:[function(require,module,exports){
const valueAt=(t,e)=>{if(t<0||t>1)throw new Error("Bezier valueAt() input must be between 0 and 1");if("float_single"===e.pointType)return bezierFunction(e,e.points,t);{const n=[];for(let o=0;o<e.dimensions;o++){const i=[];for(let t=0;t<e.points.length;t++)i.push(e.points[t][o]);n.push(bezierFunction(e,i,t))}return n}},bezierFunction=function(t,e,n){const o=e.length-1;let i=0;for(let r=0;r<=o;r++)i+=t.permutations[r]*Math.pow(1-n,o-r)*Math.pow(n,r)*e[r];return i};module.exports=valueAt;
},{}],19:[function(require,module,exports){
module.exports={bezier:require("./bezier")};
},{"./bezier":14}],20:[function(require,module,exports){
const mat4=require("../../maths/mat4"),vec2=require("../../maths/vec2"),applyTransforms=r=>mat4.isIdentity(r.transforms)?r:(r.sides=r.sides.map(s=>{return[vec2.transform(vec2.create(),s[0],r.transforms),vec2.transform(vec2.create(),s[1],r.transforms)]}),r.transforms=mat4.create(),r);module.exports=applyTransforms;
},{"../../maths/mat4":143,"../../maths/vec2":191}],21:[function(require,module,exports){
const clone=e=>Object.assign({},e);module.exports=clone;
},{}],22:[function(require,module,exports){
const mat4=require("../../maths/mat4"),create=e=>(void 0===e&&(e=[]),{sides:e,transforms:mat4.create()});module.exports=create;
},{"../../maths/mat4":143}],23:[function(require,module,exports){
const mat4=require("../../maths/mat4"),vec2=require("../../maths/vec2"),create=require("./create"),fromCompactBinary=e=>{if(0!==e[0])throw new Error("invalid compact binary data");const r=create();r.transforms=mat4.clone(e.slice(1,17));for(let t=21;t<e.length;t+=4){const a=vec2.fromValues(e[t+0],e[t+1]),o=vec2.fromValues(e[t+2],e[t+3]);r.sides.push([a,o])}return e[17]>=0&&(r.color=[e[17],e[18],e[19],e[20]]),r};module.exports=fromCompactBinary;
},{"../../maths/mat4":143,"../../maths/vec2":191,"./create":22}],24:[function(require,module,exports){
const vec2=require("../../maths/vec2"),create=require("./create"),fromPoints=e=>{if(!Array.isArray(e))throw new Error("the given points must be an array");let r=e.length;if(r<3)throw new Error("the given points must define a closed geometry with three or more points");vec2.equals(e[0],e[r-1])&&--r;const t=[];let o=e[r-1];for(let n=0;n<r;n++){const r=e[n];t.push([vec2.clone(o),vec2.clone(r)]),o=r}return create(t)};module.exports=fromPoints;
},{"../../maths/vec2":191,"./create":22}],25:[function(require,module,exports){
module.exports={clone:require("./clone"),create:require("./create"),fromPoints:require("./fromPoints"),fromCompactBinary:require("./fromCompactBinary"),isA:require("./isA"),reverse:require("./reverse"),toOutlines:require("./toOutlines"),toPoints:require("./toPoints"),toSides:require("./toSides"),toString:require("./toString"),toCompactBinary:require("./toCompactBinary"),transform:require("./transform"),validate:require("./validate")};
},{"./clone":21,"./create":22,"./fromCompactBinary":23,"./fromPoints":24,"./isA":26,"./reverse":27,"./toCompactBinary":28,"./toOutlines":29,"./toPoints":30,"./toSides":31,"./toString":32,"./transform":33,"./validate":34}],26:[function(require,module,exports){
const isA=s=>!!(s&&"object"==typeof s&&"sides"in s&&"transforms"in s&&Array.isArray(s.sides)&&"length"in s.transforms);module.exports=isA;
},{}],27:[function(require,module,exports){
const create=require("./create"),toSides=require("./toSides"),reverse=e=>{const r=toSides(e).map(e=>[e[1],e[0]]);return r.reverse(),create(r)};module.exports=reverse;
},{"./create":22,"./toSides":31}],28:[function(require,module,exports){
const toCompactBinary=o=>{const t=o.sides,r=o.transforms;let n=[-1,-1,-1,-1];o.color&&(n=o.color);const e=new Float32Array(21+4*t.length);e[0]=0,e[1]=r[0],e[2]=r[1],e[3]=r[2],e[4]=r[3],e[5]=r[4],e[6]=r[5],e[7]=r[6],e[8]=r[7],e[9]=r[8],e[10]=r[9],e[11]=r[10],e[12]=r[11],e[13]=r[12],e[14]=r[13],e[15]=r[14],e[16]=r[15],e[17]=n[0],e[18]=n[1],e[19]=n[2],e[20]=n[3];for(let o=0;o<t.length;o++){const r=4*o+21,n=t[o][0],s=t[o][1];e[r+0]=n[0],e[r+1]=n[1],e[r+2]=s[0],e[r+3]=s[1]}return e};module.exports=toCompactBinary;
},{}],29:[function(require,module,exports){
const vec2=require("../../maths/vec2"),toSides=require("./toSides"),toSharedVertices=e=>{const t=new Map,r=e=>{const r=e.toString();return t.has(r)?t.get(r):(t.set(r,e),e)};return e.map(e=>e.map(r))},toVertexMap=e=>{const t=new Map;return toSharedVertices(e).forEach(e=>{t.has(e[0])?t.get(e[0]).push(e):t.set(e[0],[e])}),t},toOutlines=e=>{const t=toVertexMap(toSides(e)),r=[];for(;;){let e;for(const[r,o]of t){if(e=o.shift())break;t.delete(r)}if(void 0===e)break;const o=[],s=e[0];for(;;){o.push(e[0]);const r=e[1];if(r===s)break;const n=t.get(r);if(!n)throw new Error(`geometry is not closed at vertex ${r}`);const c=popNextSide(e,n);0===n.length&&t.delete(r),e=c}o.length>0&&o.push(o.shift()),r.push(o)}return t.clear(),r},popNextSide=(e,t)=>{if(1===t.length)return t.pop();const r=vec2.create(),o=vec2.angleDegrees(vec2.subtract(r,e[1],e[0]));let s,n;t.forEach((e,t)=>{let c=vec2.angleDegrees(vec2.subtract(r,e[1],e[0]))-o;c<-180&&(c+=360),c>=180&&(c-=360),(void 0===n||c>s)&&(n=t,s=c)});const c=t[n];return t.splice(n,1),c};module.exports=toOutlines;
},{"../../maths/vec2":191,"./toSides":31}],30:[function(require,module,exports){
const toSides=require("./toSides"),toPoints=t=>{const o=toSides(t).map(t=>t[0]);return o.length>0&&o.push(o.shift()),o};module.exports=toPoints;
},{"./toSides":31}],31:[function(require,module,exports){
const applyTransforms=require("./applyTransforms"),toSides=s=>applyTransforms(s).sides;module.exports=toSides;
},{"./applyTransforms":20}],32:[function(require,module,exports){
const vec2=require("../../maths/vec2"),toSides=require("./toSides"),toString=e=>{const t=toSides(e);let o="geom2 ("+t.length+" sides):\n[\n";return t.forEach(e=>{o+=" ["+vec2.toString(e[0])+", "+vec2.toString(e[1])+"]\n"}),o+="]\n"};module.exports=toString;
},{"../../maths/vec2":191,"./toSides":31}],33:[function(require,module,exports){
const mat4=require("../../maths/mat4"),reverse=require("./reverse.js"),transform=(r,e)=>{const s=mat4.multiply(mat4.create(),r,e.transforms),t=Object.assign({},e,{transforms:s});return r[0]*r[5]-r[4]*r[1]<0?reverse(t):t};module.exports=transform;
},{"../../maths/mat4":143,"./reverse.js":27}],34:[function(require,module,exports){
const vec2=require("../../maths/vec2"),isA=require("./isA"),toOutlines=require("./toOutlines"),validate=e=>{if(!isA(e))throw new Error("invalid geom2 structure");if(toOutlines(e),e.sides.forEach(e=>{if(vec2.equals(e[0],e[1]))throw new Error(`geom2 self-edge ${e[0]}`)}),!e.transforms.every(Number.isFinite))throw new Error(`geom2 invalid transforms ${e.transforms}`)};module.exports=validate;
},{"../../maths/vec2":191,"./isA":26,"./toOutlines":29}],35:[function(require,module,exports){
const mat4=require("../../maths/mat4"),poly3=require("../poly3"),applyTransforms=r=>mat4.isIdentity(r.transforms)?r:(r.polygons=r.polygons.map(s=>poly3.transform(r.transforms,s)),r.transforms=mat4.create(),r);module.exports=applyTransforms;
},{"../../maths/mat4":143,"../poly3":79}],36:[function(require,module,exports){
const clone=e=>Object.assign({},e);module.exports=clone;
},{}],37:[function(require,module,exports){
const mat4=require("../../maths/mat4"),create=e=>(void 0===e&&(e=[]),{polygons:e,transforms:mat4.create()});module.exports=create;
},{"../../maths/mat4":143}],38:[function(require,module,exports){
const vec3=require("../../maths/vec3"),mat4=require("../../maths/mat4"),poly3=require("../poly3"),create=require("./create"),fromCompactBinary=e=>{if(1!==e[0])throw new Error("invalid compact binary data");const r=create();r.transforms=mat4.clone(e.slice(1,17));const o=e[21];let t=22,a=e.length-3*o;for(;a<e.length;){const o=e[t];t++;const c=[];for(let r=0;r<o;r++)c.push(vec3.fromValues(e[a],e[a+1],e[a+2])),a+=3;r.polygons.push(poly3.create(c))}return e[17]>=0&&(r.color=[e[17],e[18],e[19],e[20]]),r};module.exports=fromCompactBinary;
},{"../../maths/mat4":143,"../../maths/vec3":222,"../poly3":79,"./create":37}],39:[function(require,module,exports){
const poly3=require("../poly3"),create=require("./create"),fromPoints=r=>{if(!Array.isArray(r))throw new Error("the given points must be an array");const e=r.map((r,e)=>{return poly3.create(r)});return create(e)};module.exports=fromPoints;
},{"../poly3":79,"./create":37}],40:[function(require,module,exports){
const quickhull=require("../../operations/hulls/quickhull"),create=require("./create"),poly3=require("../poly3"),fromPointsConvex=r=>{if(!Array.isArray(r))throw new Error("the given points must be an array");const e=quickhull(r,{skipTriangulation:!0}).map(e=>{const o=e.map(e=>r[e]);return poly3.create(o)});return create(e)};module.exports=fromPointsConvex;
},{"../../operations/hulls/quickhull":348,"../poly3":79,"./create":37}],41:[function(require,module,exports){
module.exports={clone:require("./clone"),create:require("./create"),fromPointsConvex:require("./fromPointsConvex"),fromPoints:require("./fromPoints"),fromCompactBinary:require("./fromCompactBinary"),invert:require("./invert"),isA:require("./isA"),toPoints:require("./toPoints"),toPolygons:require("./toPolygons"),toString:require("./toString"),toCompactBinary:require("./toCompactBinary"),transform:require("./transform"),validate:require("./validate")};
},{"./clone":36,"./create":37,"./fromCompactBinary":38,"./fromPoints":39,"./fromPointsConvex":40,"./invert":42,"./isA":43,"./toCompactBinary":44,"./toPoints":45,"./toPolygons":46,"./toString":47,"./transform":48,"./validate":49}],42:[function(require,module,exports){
const poly3=require("../poly3"),create=require("./create"),toPolygons=require("./toPolygons"),invert=e=>{const o=toPolygons(e).map(e=>poly3.invert(e));return create(o)};module.exports=invert;
},{"../poly3":79,"./create":37,"./toPolygons":46}],43:[function(require,module,exports){
const isA=o=>!!(o&&"object"==typeof o&&"polygons"in o&&"transforms"in o&&Array.isArray(o.polygons)&&"length"in o.transforms);module.exports=isA;
},{}],44:[function(require,module,exports){
const poly3=require("../poly3"),toCompactBinary=o=>{const t=o.polygons,e=o.transforms,r=t.length,n=t.reduce((o,t)=>o+t.vertices.length,0);let l=[-1,-1,-1,-1];o.color&&(l=o.color);const c=new Float32Array(22+r+3*n);c[0]=1,c[1]=e[0],c[2]=e[1],c[3]=e[2],c[4]=e[3],c[5]=e[4],c[6]=e[5],c[7]=e[6],c[8]=e[7],c[9]=e[8],c[10]=e[9],c[11]=e[10],c[12]=e[11],c[13]=e[12],c[14]=e[13],c[15]=e[14],c[16]=e[15],c[17]=l[0],c[18]=l[1],c[19]=l[2],c[20]=l[3],c[21]=n;let s=22,a=s+r;return t.forEach(o=>{const t=poly3.toPoints(o);c[s]=t.length,s++;for(let o=0;o<t.length;o++){const e=t[o];c[a+0]=e[0],c[a+1]=e[1],c[a+2]=e[2],a+=3}}),c};module.exports=toCompactBinary;
},{"../poly3":79}],45:[function(require,module,exports){
const poly3=require("../poly3"),toPolygons=require("./toPolygons"),toPoints=o=>{return toPolygons(o).map(o=>poly3.toPoints(o))};module.exports=toPoints;
},{"../poly3":79,"./toPolygons":46}],46:[function(require,module,exports){
const applyTransforms=require("./applyTransforms"),toPolygons=o=>applyTransforms(o).polygons;module.exports=toPolygons;
},{"./applyTransforms":35}],47:[function(require,module,exports){
const poly3=require("../poly3"),toPolygons=require("./toPolygons"),toString=o=>{const t=toPolygons(o);let n="geom3 ("+t.length+" polygons):\n";return t.forEach(o=>{n+=" "+poly3.toString(o)+"\n"}),n};module.exports=toString;
},{"../poly3":79,"./toPolygons":46}],48:[function(require,module,exports){
const mat4=require("../../maths/mat4"),transform=(t,r)=>{const s=mat4.multiply(mat4.create(),t,r.transforms);return Object.assign({},r,{transforms:s})};module.exports=transform;
},{"../../maths/mat4":143}],49:[function(require,module,exports){
const poly3=require("../poly3"),isA=require("./isA"),validate=e=>{if(!isA(e))throw new Error("invalid geom3 structure");if(e.polygons.forEach(poly3.validate),validateManifold(e),!e.transforms.every(Number.isFinite))throw new Error(`geom3 invalid transforms ${e.transforms}`)},validateManifold=e=>{const o=new Map;e.polygons.forEach(({vertices:e})=>{e.forEach((r,n)=>{const t=`${`${r}`}/${`${e[(n+1)%e.length]}`}`,i=o.has(t)?o.get(t):0;o.set(t,i+1)})});const r=[];if(o.forEach((e,n)=>{const t=n.split("/").reverse().join("/");e!==o.get(t)&&r.push(n.replace("/"," -> "))}),r.length>0)throw new Error(`non-manifold edges ${r.length}\n${r.join("\n")}`)};module.exports=validate;
},{"../poly3":79,"./isA":43}],50:[function(require,module,exports){
module.exports={geom2:require("./geom2"),geom3:require("./geom3"),path2:require("./path2"),poly2:require("./poly2"),poly3:require("./poly3")};
},{"./geom2":25,"./geom3":41,"./path2":62,"./poly2":73,"./poly3":79}],51:[function(require,module,exports){
const{TAU:TAU}=require("../../maths/constants"),vec2=require("../../maths/vec2"),fromPoints=require("./fromPoints"),toPoints=require("./toPoints"),appendArc=(e,t)=>{let{endpoint:r,radius:a,xaxisrotation:o,clockwise:n,large:s,segments:c}=Object.assign({},{radius:[0,0],xaxisrotation:0,clockwise:!1,large:!1,segments:16},e);if(!Array.isArray(r))throw new Error("endpoint must be an array of X and Y values");if(r.length<2)throw new Error("endpoint must contain X and Y values");if(r=vec2.clone(r),!Array.isArray(a))throw new Error("radius must be an array of X and Y values");if(a.length<2)throw new Error("radius must contain X and Y values");if(c<4)throw new Error("segments must be four or more");if(t.isClosed)throw new Error("the given path cannot be closed");const i=toPoints(t);if(i.length<1)throw new Error("the given path must contain one or more points (as the starting point for the arc)");let h=a[0],u=a[1];const l=i[i.length-1];h=Math.round(1e5*h)/1e5,u=Math.round(1e5*u)/1e5,r=vec2.fromValues(Math.round(1e5*r[0])/1e5,Math.round(1e5*r[1])/1e5);const d=!n;let v=[];if(0===h||0===u)v.push(r);else{h=Math.abs(h),u=Math.abs(u);const t=o,a=Math.cos(t),n=Math.sin(t),i=vec2.subtract(vec2.create(),l,r);vec2.scale(i,i,.5);const f=Math.round(1e5*(a*i[0]+n*i[1]))/1e5,m=Math.round(1e5*(-n*i[0]+a*i[1]))/1e5,M=vec2.fromValues(f,m),p=M[0]*M[0]/(h*h)+M[1]*M[1]/(u*u);if(p>1){const e=Math.sqrt(p);h*=e,u*=e,h=Math.round(1e5*h)/1e5,u=Math.round(1e5*u)/1e5}let w=Math.sqrt((h*h*u*u-h*h*M[1]*M[1]-u*u*M[0]*M[0])/(h*h*M[1]*M[1]+u*u*M[0]*M[0]));d===s&&(w=-w);const g=vec2.fromValues(h*M[1]/u,-u*M[0]/h);vec2.scale(g,g,w);let A=vec2.fromValues(a*g[0]-n*g[1],n*g[0]+a*g[1]);A=vec2.add(A,A,vec2.scale(vec2.create(),vec2.add(vec2.create(),l,r),.5));const b=vec2.fromValues((M[0]-g[0])/h,(M[1]-g[1])/u),E=vec2.fromValues((-M[0]-g[0])/h,(-M[1]-g[1])/u),V=vec2.angleRadians(b);let q=vec2.angleRadians(E)-V;q%=TAU,!d&&q>0?q-=TAU:d&&q<0&&(q+=TAU);let y=Math.ceil(Math.abs(q)/TAU*c)+1;y<1&&(y=1);for(let e=1;e<y;e++){const t=V+e/y*q,r=Math.cos(t),o=Math.sin(t),s=vec2.fromValues(a*h*r-n*u*o,n*h*r+a*u*o);vec2.add(s,s,A),v.push(s)}y&&v.push(e.endpoint)}return v=i.concat(v),fromPoints({},v)};module.exports=appendArc;
},{"../../maths/constants":94,"../../maths/vec2":191,"./fromPoints":61,"./toPoints":66}],52:[function(require,module,exports){
const{TAU:TAU}=require("../../maths/constants"),vec2=require("../../maths/vec2"),vec3=require("../../maths/vec2"),appendPoints=require("./appendPoints"),toPoints=require("./toPoints"),appendBezier=(e,t)=>{let{controlPoints:o,segments:r}=Object.assign({},{segments:16},e);if(!Array.isArray(o))throw new Error("controlPoints must be an array of one or more points");if(o.length<1)throw new Error("controlPoints must be an array of one or more points");if(r<4)throw new Error("segments must be four or more");if(t.isClosed)throw new Error("the given geometry cannot be closed");const n=toPoints(t);if(n.length<1)throw new Error("the given path must contain one or more points (as the starting point for the bezier curve)");if(null===(o=o.slice())[0]){if(o.length<2)throw new Error("a null control point must be passed with one more control points");let e=n[n.length-2];if("lastBezierControlPoint"in t&&(e=t.lastBezierControlPoint),!Array.isArray(e))throw new Error("the given path must contain TWO or more points if given a null control point");const r=vec2.scale(vec2.create(),n[n.length-1],2);vec2.subtract(r,r,e),o[0]=r}o.unshift(n[n.length-1]);const s=o.length-1,i=[];let c=1;for(let e=0;e<=s;++e)e>0&&(c*=e),i.push(c);const a=[];for(let e=0;e<=s;++e){const t=i[s]/(i[e]*i[s-e]);a.push(t)}const l=vec2.create(),h=vec2.create(),p=vec3.create(),u=e=>{let t=1,r=Math.pow(1-e,s);const n=1!==e?1/(1-e):1,i=vec2.create();for(let c=0;c<=s;++c){c===s&&(r=1);const h=a[c]*t*r,p=vec2.scale(l,o[c],h);vec2.add(i,i,p),t*=e,r*=n}return i},v=[],m=[],f=s+1;for(let e=0;e<f;++e){const t=e/(f-1),o=u(t);v.push(o),m.push(t)}let g=1;const w=TAU/r,P=Math.sin(w);for(;g<v.length-1;){const e=vec2.subtract(l,v[g],v[g-1]);vec2.normalize(e,e);const t=vec2.subtract(h,v[g+1],v[g]);vec2.normalize(t,t);const o=vec2.cross(p,e,t);if(Math.abs(o[2])>P){const e=m[g-1],t=m[g+1],o=e+1*(t-e)/3,r=e+2*(t-e)/3,n=u(o),s=u(r);v.splice(g,1,n,s),m.splice(g,1,o,r),--g<1&&(g=1)}else++g}v.shift();const b=appendPoints(v,t);return b.lastBezierControlPoint=o[o.length-2],b};module.exports=appendBezier;
},{"../../maths/constants":94,"../../maths/vec2":191,"./appendPoints":53,"./toPoints":66}],53:[function(require,module,exports){
const concat=require("./concat"),create=require("./create"),appendPoints=(e,c)=>concat(c,create(e));module.exports=appendPoints;
},{"./concat":57,"./create":58}],54:[function(require,module,exports){
const mat4=require("../../maths/mat4"),vec2=require("../../maths/vec2"),applyTransforms=r=>mat4.isIdentity(r.transforms)?r:(r.points=r.points.map(s=>vec2.transform(vec2.create(),s,r.transforms)),r.transforms=mat4.create(),r);module.exports=applyTransforms;
},{"../../maths/mat4":143,"../../maths/vec2":191}],55:[function(require,module,exports){
const clone=e=>Object.assign({},e);module.exports=clone;
},{}],56:[function(require,module,exports){
const{EPS:EPS}=require("../../maths/constants"),vec2=require("../../maths/vec2"),clone=require("./clone"),close=e=>{if(e.isClosed)return e;const t=clone(e);if(t.isClosed=!0,t.points.length>1){const e=t.points,n=e[0];let o=e[e.length-1];for(;vec2.distance(n,o)<EPS*EPS&&(e.pop(),1!==e.length);)o=e[e.length-1]}return t};module.exports=close;
},{"../../maths/constants":94,"../../maths/vec2":191,"./clone":55}],57:[function(require,module,exports){
const fromPoints=require("./fromPoints"),toPoints=require("./toPoints"),{equals:equals}=require("../../maths/vec2"),concat=(...t)=>{let o=!1,e=[];return t.forEach((t,n)=>{const s=toPoints(t).slice();if(e.length>0&&s.length>0&&equals(s[0],e[e.length-1])&&s.shift(),s.length>0&&o)throw new Error(`Cannot concatenate to a closed path; check the ${n}th path`);o=t.isClosed,e=e.concat(s)}),fromPoints({closed:o},e)};module.exports=concat;
},{"../../maths/vec2":191,"./fromPoints":61,"./toPoints":66}],58:[function(require,module,exports){
const mat4=require("../../maths/mat4"),create=e=>(void 0===e&&(e=[]),{points:e,isClosed:!1,transforms:mat4.create()});module.exports=create;
},{"../../maths/mat4":143}],59:[function(require,module,exports){
const vec2=require("../../maths/vec2"),toPoints=require("./toPoints"),equals=(e,t)=>{if(e.isClosed!==t.isClosed)return!1;if(e.points.length!==t.points.length)return!1;const o=toPoints(e),s=toPoints(t),i=o.length;let r=0;do{let t=!1;for(let e=0;e<i;e++)if(!vec2.equals(o[e],s[(e+r)%i])){t=!0;break}if(!1===t)return!0;if(!e.isClosed)return!1}while(++r<i);return!1};module.exports=equals;
},{"../../maths/vec2":191,"./toPoints":66}],60:[function(require,module,exports){
const mat4=require("../../maths/mat4"),vec2=require("../../maths/vec2"),create=require("./create"),fromCompactBinary=r=>{if(2!==r[0])throw new Error("invalid compact binary data");const e=create();e.transforms=mat4.clone(r.slice(1,17)),e.isClosed=!!r[17];for(let t=22;t<r.length;t+=2){const o=vec2.fromValues(r[t],r[t+1]);e.points.push(o)}return r[18]>=0&&(e.color=[r[18],r[19],r[20],r[21]]),e};module.exports=fromCompactBinary;
},{"../../maths/mat4":143,"../../maths/vec2":191,"./create":58}],61:[function(require,module,exports){
const{EPS:EPS}=require("../../maths/constants"),vec2=require("../../maths/vec2"),close=require("./close"),create=require("./create"),fromPoints=(e,t)=>{let{closed:s}=Object.assign({},{closed:!1},e),o=create();if(o.points=t.map(e=>vec2.clone(e)),o.points.length>1){const e=o.points[0],t=o.points[o.points.length-1];vec2.distance(e,t)<EPS*EPS&&(s=!0)}return!0===s&&(o=close(o)),o};module.exports=fromPoints;
},{"../../maths/constants":94,"../../maths/vec2":191,"./close":56,"./create":58}],62:[function(require,module,exports){
module.exports={appendArc:require("./appendArc"),appendBezier:require("./appendBezier"),appendPoints:require("./appendPoints"),clone:require("./clone"),close:require("./close"),concat:require("./concat"),create:require("./create"),equals:require("./equals"),fromPoints:require("./fromPoints"),fromCompactBinary:require("./fromCompactBinary"),isA:require("./isA"),reverse:require("./reverse"),toPoints:require("./toPoints"),toString:require("./toString"),toCompactBinary:require("./toCompactBinary"),transform:require("./transform"),validate:require("./validate")};
},{"./appendArc":51,"./appendBezier":52,"./appendPoints":53,"./clone":55,"./close":56,"./concat":57,"./create":58,"./equals":59,"./fromCompactBinary":60,"./fromPoints":61,"./isA":63,"./reverse":64,"./toCompactBinary":65,"./toPoints":66,"./toString":67,"./transform":68,"./validate":69}],63:[function(require,module,exports){
const isA=s=>!!(s&&"object"==typeof s&&"points"in s&&"transforms"in s&&"isClosed"in s&&Array.isArray(s.points)&&"length"in s.transforms);module.exports=isA;
},{}],64:[function(require,module,exports){
const clone=require("./clone"),reverse=e=>{const r=clone(e);return r.points=e.points.slice().reverse(),r};module.exports=reverse;
},{"./clone":55}],65:[function(require,module,exports){
const toCompactBinary=o=>{const t=o.points,n=o.transforms;let r=[-1,-1,-1,-1];o.color&&(r=o.color);const s=new Float32Array(22+2*t.length);s[0]=2,s[1]=n[0],s[2]=n[1],s[3]=n[2],s[4]=n[3],s[5]=n[4],s[6]=n[5],s[7]=n[6],s[8]=n[7],s[9]=n[8],s[10]=n[9],s[11]=n[10],s[12]=n[11],s[13]=n[12],s[14]=n[13],s[15]=n[14],s[16]=n[15],s[17]=o.isClosed?1:0,s[18]=r[0],s[19]=r[1],s[20]=r[2],s[21]=r[3];for(let o=0;o<t.length;o++){const n=2*o+22,r=t[o];s[n]=r[0],s[n+1]=r[1]}return s};module.exports=toCompactBinary;
},{}],66:[function(require,module,exports){
const applyTransforms=require("./applyTransforms"),toPoints=o=>applyTransforms(o).points;module.exports=toPoints;
},{"./applyTransforms":54}],67:[function(require,module,exports){
const vec2=require("../../maths/vec2"),toPoints=require("./toPoints"),toString=t=>{const o=toPoints(t);let n="path ("+o.length+" points, "+t.isClosed+"):\n[\n";return o.forEach(t=>{n+=" "+vec2.toString(t)+",\n"}),n+="]\n"};module.exports=toString;
},{"../../maths/vec2":191,"./toPoints":66}],68:[function(require,module,exports){
const mat4=require("../../maths/mat4"),transform=(t,r)=>{const s=mat4.multiply(mat4.create(),t,r.transforms);return Object.assign({},r,{transforms:s})};module.exports=transform;
},{"../../maths/mat4":143}],69:[function(require,module,exports){
const vec2=require("../../maths/vec2"),isA=require("./isA"),validate=r=>{if(!isA(r))throw new Error("invalid path2 structure");if(r.points.length>1)for(let i=0;i<r.points.length;i++)if(vec2.equals(r.points[i],r.points[(i+1)%r.points.length]))throw new Error(`path2 duplicate points ${r.points[i]}`);if(r.points.forEach(r=>{if(!r.every(Number.isFinite))throw new Error(`path2 invalid point ${r}`)}),!r.transforms.every(Number.isFinite))throw new Error(`path2 invalid transforms ${r.transforms}`)};module.exports=validate;
},{"../../maths/vec2":191,"./isA":63}],70:[function(require,module,exports){
const measureArea=require("./measureArea"),flip=require("./flip"),arePointsInside=(e,r)=>{if(0===e.length)return 0;const n=r.vertices;return n.length<3?0:(measureArea(r)<0&&(r=flip(r)),e.reduce((e,r)=>e+isPointInside(r,n),0)===e.length?1:0)},isPointInside=(e,r)=>{const n=r.length,t=e[0],i=e[1];let s=r[n-1],o=r[0],l=s[1]>i,u=0,a=0;for(let e=n+1;--e;){const e=o[1]>i;if(l!==e){const e=s[0]>t,r=o[0]>t;e&&r?u=!u:o[0]-(o[1]-i)*(s[0]-o[0])/(s[1]-o[1])>=t&&(u=!u)}l=e,s=o,o=r[++a]}return u};module.exports=arePointsInside;
},{"./flip":72,"./measureArea":74}],71:[function(require,module,exports){
const create=e=>((void 0===e||e.length<3)&&(e=[]),{vertices:e});module.exports=create;
},{}],72:[function(require,module,exports){
const create=require("./create"),flip=e=>{const r=e.vertices.slice().reverse();return create(r)};module.exports=flip;
},{"./create":71}],73:[function(require,module,exports){
module.exports={arePointsInside:require("./arePointsInside"),create:require("./create"),flip:require("./flip"),measureArea:require("./measureArea")};
},{"./arePointsInside":70,"./create":71,"./flip":72,"./measureArea":74}],74:[function(require,module,exports){
const area=require("../../maths/utils/area"),measureArea=e=>area(e.vertices);module.exports=measureArea;
},{"../../maths/utils/area":168}],75:[function(require,module,exports){
const create=require("./create"),vec3=require("../../maths/vec3"),clone=(...e)=>{let c,r;return 1===e.length?(c=create(),r=e[0]):(c=e[0],r=e[1]),c.vertices=r.vertices.map(e=>vec3.clone(e)),c};module.exports=clone;
},{"../../maths/vec3":222,"./create":76}],76:[function(require,module,exports){
const create=e=>((void 0===e||e.length<3)&&(e=[]),{vertices:e});module.exports=create;
},{}],77:[function(require,module,exports){
const vec3=require("../../maths/vec3"),create=require("./create"),fromPoints=e=>{const r=e.map(e=>vec3.clone(e));return create(r)};module.exports=fromPoints;
},{"../../maths/vec3":222,"./create":76}],78:[function(require,module,exports){
const create=require("./create"),fromPointsAndPlane=(e,n)=>{const r=create(e);return r.plane=n,r};module.exports=fromPointsAndPlane;
},{"./create":76}],79:[function(require,module,exports){
module.exports={clone:require("./clone"),create:require("./create"),fromPoints:require("./fromPoints"),fromPointsAndPlane:require("./fromPointsAndPlane"),invert:require("./invert"),isA:require("./isA"),isConvex:require("./isConvex"),measureArea:require("./measureArea"),measureBoundingBox:require("./measureBoundingBox"),measureBoundingSphere:require("./measureBoundingSphere"),measureSignedVolume:require("./measureSignedVolume"),plane:require("./plane"),toPoints:require("./toPoints"),toString:require("./toString"),transform:require("./transform"),validate:require("./validate")};
},{"./clone":75,"./create":76,"./fromPoints":77,"./fromPointsAndPlane":78,"./invert":80,"./isA":81,"./isConvex":82,"./measureArea":83,"./measureBoundingBox":84,"./measureBoundingSphere":85,"./measureSignedVolume":86,"./plane":87,"./toPoints":88,"./toString":89,"./transform":90,"./validate":91}],80:[function(require,module,exports){
const plane=require("../../maths/plane"),create=require("./create"),invert=e=>{const r=e.vertices.slice().reverse(),a=create(r);return e.plane&&(a.plane=plane.flip(plane.create(),e.plane)),a};module.exports=invert;
},{"../../maths/plane":163,"./create":76}],81:[function(require,module,exports){
const isA=e=>!!(e&&"object"==typeof e&&"vertices"in e&&Array.isArray(e.vertices));module.exports=isA;
},{}],82:[function(require,module,exports){
const plane=require("../../maths/plane"),vec3=require("../../maths/vec3"),isConvex=e=>areVerticesConvex(e.vertices),areVerticesConvex=e=>{const t=e.length;if(t>2){const r=plane.fromPoints(plane.create(),...e);let c=e[t-2],n=e[t-1];for(let o=0;o<t;o++){const t=e[o];if(!isConvexPoint(c,n,t,r))return!1;c=n,n=t}}return!0},isConvexPoint=(e,t,r,c)=>{const n=vec3.cross(vec3.create(),vec3.subtract(vec3.create(),t,e),vec3.subtract(vec3.create(),r,t));return vec3.dot(n,c)>=0};module.exports=isConvex;
},{"../../maths/plane":163,"../../maths/vec3":222}],83:[function(require,module,exports){
const plane=require("./plane"),measureArea=e=>{const r=e.vertices.length;if(r<3)return 0;const a=e.vertices,t=plane(e),s=Math.abs(t[0]),n=Math.abs(t[1]),c=Math.abs(t[2]);if(s+n+c===0)return 0;let l=3;s>n&&s>c?l=1:n>c&&(l=2);let o=0,u=0,f=1,i=2;switch(l){case 1:for(f=1;f<r;f++)u=f-1,i=(f+1)%r,o+=a[f][1]*(a[i][2]-a[u][2]);o+=a[0][1]*(a[1][2]-a[r-1][2]),o/=2*t[0];break;case 2:for(f=1;f<r;f++)u=f-1,i=(f+1)%r,o+=a[f][2]*(a[i][0]-a[u][0]);o+=a[0][2]*(a[1][0]-a[r-1][0]),o/=2*t[1];break;case 3:default:for(f=1;f<r;f++)u=f-1,i=(f+1)%r,o+=a[f][0]*(a[i][1]-a[u][1]);o+=a[0][0]*(a[1][1]-a[r-1][1]),o/=2*t[2]}return o};module.exports=measureArea;
},{"./plane":87}],84:[function(require,module,exports){
const vec3=require("../../maths/vec3"),measureBoundingBox=e=>{const c=e.vertices,n=c.length,o=0===n?vec3.create():vec3.clone(c[0]),r=vec3.clone(o);for(let e=1;e<n;e++)vec3.min(o,o,c[e]),vec3.max(r,r,c[e]);return[o,r]};module.exports=measureBoundingBox;
},{"../../maths/vec3":222}],85:[function(require,module,exports){
const vec4=require("../../maths/vec4"),cache=new WeakMap,measureBoundingSphere=e=>{const r=cache.get(e);if(r)return r;const t=e.vertices,c=vec4.create();if(0===t.length)return c[0]=0,c[1]=0,c[2]=0,c[3]=0,c;let n=t[0],a=n,s=n,h=n,o=n,u=n;t.forEach(e=>{n[0]>e[0]&&(n=e),a[1]>e[1]&&(a=e),s[2]>e[2]&&(s=e),h[0]<e[0]&&(h=e),o[1]<e[1]&&(o=e),u[2]<e[2]&&(u=e)}),c[0]=.5*(n[0]+h[0]),c[1]=.5*(a[1]+o[1]),c[2]=.5*(s[2]+u[2]);const i=c[0]-h[0],g=c[1]-o[1],m=c[2]-u[2];return c[3]=Math.sqrt(i*i+g*g+m*m),cache.set(e,c),c};module.exports=measureBoundingSphere;
},{"../../maths/vec4":248}],86:[function(require,module,exports){
const vec3=require("../../maths/vec3"),measureSignedVolume=e=>{let r=0;const t=e.vertices,c=vec3.create();for(let e=0;e<t.length-2;e++)vec3.cross(c,t[e+1],t[e+2]),r+=vec3.dot(t[0],c);return r/=6};module.exports=measureSignedVolume;
},{"../../maths/vec3":222}],87:[function(require,module,exports){
const mplane=require("../../maths/plane/"),plane=e=>(e.plane||(e.plane=mplane.fromPoints(mplane.create(),...e.vertices)),e.plane);module.exports=plane;
},{"../../maths/plane/":163}],88:[function(require,module,exports){
const toPoints=o=>o.vertices;module.exports=toPoints;
},{}],89:[function(require,module,exports){
const vec3=require("../../maths/vec3/"),toString=e=>{let t="poly3: vertices: [";return e.vertices.forEach(e=>{t+=`${vec3.toString(e)}, `}),t+="]"};module.exports=toString;
},{"../../maths/vec3/":222}],90:[function(require,module,exports){
const mat4=require("../../maths/mat4"),vec3=require("../../maths/vec3"),create=require("./create"),transform=(e,r)=>{const t=r.vertices.map(r=>vec3.transform(vec3.create(),r,e));return mat4.isMirroring(e)&&t.reverse(),create(t)};module.exports=transform;
},{"../../maths/mat4":143,"../../maths/vec3":222,"./create":76}],91:[function(require,module,exports){
const signedDistanceToPoint=require("../../maths/plane/signedDistanceToPoint"),{NEPS:NEPS}=require("../../maths/constants"),vec3=require("../../maths/vec3"),isA=require("./isA"),isConvex=require("./isConvex"),measureArea=require("./measureArea"),plane=require("./plane"),validate=e=>{if(!isA(e))throw new Error("invalid poly3 structure");if(e.vertices.length<3)throw new Error(`poly3 not enough vertices ${e.vertices.length}`);if(measureArea(e)<=0)throw new Error("poly3 area must be greater than zero");for(let r=0;r<e.vertices.length;r++)if(vec3.equals(e.vertices[r],e.vertices[(r+1)%e.vertices.length]))throw new Error(`poly3 duplicate vertex ${e.vertices[r]}`);if(!isConvex(e))throw new Error("poly3 must be convex");if(e.vertices.forEach(e=>{if(!e.every(Number.isFinite))throw new Error(`poly3 invalid vertex ${e}`)}),e.vertices.length>3){const r=plane(e);e.vertices.forEach(e=>{const t=Math.abs(signedDistanceToPoint(r,e));if(t>NEPS)throw new Error(`poly3 must be coplanar: vertex ${e} distance ${t}`)})}};module.exports=validate;
},{"../../maths/constants":94,"../../maths/plane/signedDistanceToPoint":165,"../../maths/vec3":222,"./isA":81,"./isConvex":82,"./measureArea":83,"./plane":87}],92:[function(require,module,exports){
module.exports={colors:require("./colors"),curves:require("./curves"),geometries:require("./geometries"),maths:require("./maths"),measurements:require("./measurements"),primitives:require("./primitives"),text:require("./text"),utils:require("./utils"),booleans:require("./operations/booleans"),expansions:require("./operations/expansions"),extrusions:require("./operations/extrusions"),hulls:require("./operations/hulls"),modifiers:require("./operations/modifiers"),transforms:require("./operations/transforms")};
},{"./colors":8,"./curves":19,"./geometries":50,"./maths":95,"./measurements":252,"./operations/booleans":266,"./operations/expansions":295,"./operations/extrusions":318,"./operations/hulls":341,"./operations/modifiers":352,"./operations/transforms":362,"./primitives":378,"./text":392,"./utils":400}],93:[function(require,module,exports){
const mat4=require("./mat4"),vec2=require("./vec2"),vec3=require("./vec3"),OrthoNormalBasis=function(e,t){arguments.length<2&&(t=vec3.orthogonal(vec3.create(),e)),this.v=vec3.normalize(vec3.create(),vec3.cross(vec3.create(),e,t)),this.u=vec3.cross(vec3.create(),this.v,e),this.plane=e,this.planeorigin=vec3.scale(vec3.create(),e,e[3])};OrthoNormalBasis.prototype={getProjectionMatrix:function(){return mat4.fromValues(this.u[0],this.v[0],this.plane[0],0,this.u[1],this.v[1],this.plane[1],0,this.u[2],this.v[2],this.plane[2],0,0,0,-this.plane[3],1)},getInverseProjectionMatrix:function(){const e=vec3.scale(vec3.create(),this.plane,this.plane[3]);return mat4.fromValues(this.u[0],this.u[1],this.u[2],0,this.v[0],this.v[1],this.v[2],0,this.plane[0],this.plane[1],this.plane[2],0,e[0],e[1],e[2],1)},to2D:function(e){return vec2.fromValues(vec3.dot(e,this.u),vec3.dot(e,this.v))},to3D:function(e){const t=vec3.scale(vec3.create(),this.u,e[0]),s=vec3.scale(vec3.create(),this.v,e[1]),i=vec3.add(t,t,this.planeorigin);return vec3.add(s,s,i)}},module.exports=OrthoNormalBasis;
},{"./mat4":143,"./vec2":191,"./vec3":222}],94:[function(require,module,exports){
const spatialResolution=1e5,EPS=1e-5,NEPS=1e-13,TAU=2*Math.PI;module.exports={EPS:EPS,NEPS:NEPS,TAU:TAU,spatialResolution:1e5};
},{}],95:[function(require,module,exports){
module.exports={constants:require("./constants"),line2:require("./line2"),line3:require("./line3"),mat4:require("./mat4"),plane:require("./plane"),utils:require("./utils"),vec2:require("./vec2"),vec3:require("./vec3"),vec4:require("./vec4")};
},{"./constants":94,"./line2":105,"./line3":122,"./mat4":143,"./plane":163,"./utils":169,"./vec2":191,"./vec3":222,"./vec4":248}],96:[function(require,module,exports){
const create=require("./create"),clone=e=>{const r=create();return r[0]=e[0],r[1]=e[1],r[2]=e[2],r};module.exports=clone;
},{"./create":99}],97:[function(require,module,exports){
const vec2=require("../vec2"),direction=require("./direction"),origin=require("./origin"),closestPoint=(e,c)=>{const i=origin(e),r=direction(e),o=vec2.subtract(vec2.create(),c,i),t=vec2.dot(o,r);return vec2.scale(o,r,t),vec2.add(o,o,i),o};module.exports=closestPoint;
},{"../vec2":191,"./direction":100,"./origin":107}],98:[function(require,module,exports){
const copy=(o,c)=>(o[0]=c[0],o[1]=c[1],o[2]=c[2],o);module.exports=copy;
},{}],99:[function(require,module,exports){
const create=()=>[0,1,0];module.exports=create;
},{}],100:[function(require,module,exports){
const vec2=require("../vec2"),direction=e=>{const c=vec2.normal(vec2.create(),e);return vec2.negate(c,c),c};module.exports=direction;
},{"../vec2":191}],101:[function(require,module,exports){
const vec2=require("../vec2"),distanceToPoint=(e,t)=>{let o=vec2.dot(t,e);return o=Math.abs(o-e[2])};module.exports=distanceToPoint;
},{"../vec2":191}],102:[function(require,module,exports){
const equals=(e,s)=>e[0]===s[0]&&e[1]===s[1]&&e[2]===s[2];module.exports=equals;
},{}],103:[function(require,module,exports){
const vec2=require("../vec2"),fromPoints=(e,c,o)=>{const r=vec2.subtract(vec2.create(),o,c);vec2.normal(r,r),vec2.normalize(r,r);const t=vec2.dot(c,r);return e[0]=r[0],e[1]=r[1],e[2]=t,e};module.exports=fromPoints;
},{"../vec2":191}],104:[function(require,module,exports){
const create=require("./create"),fromValues=(e,r,t)=>{const o=create();return o[0]=e,o[1]=r,o[2]=t,o};module.exports=fromValues;
},{"./create":99}],105:[function(require,module,exports){
module.exports={c