/* Copyright © 2017-2024 William Ngan and contributors.

Licensed under Apache 2.0 License.

See https://github.com/williamngan/pts for details. */

(()=>{var Ht=Object.defineProperty;var Ft=Object.getOwnPropertySymbols;var jt=Object.prototype.hasOwnProperty,Vt=Object.prototype.propertyIsEnumerable;var qt=(l,r,t)=>r in l?Ht(l,r,{enumerable:!0,configurable:!0,writable:!0,value:t}):l[r]=t,T=(l,r)=>{for(var t in r||(r={}))jt.call(r,t)&&qt(l,t,r[t]);if(Ft)for(var t of Ft(r))Vt.call(r,t)&&qt(l,t,r[t]);return l};var $=(l,r)=>{for(var t in r)Ht(l,t,{get:r[t],enumerable:!0})};var et=(l,r,t)=>new Promise((e,i)=>{var n=a=>{try{o(t.next(a))}catch(u){i(u)}},s=a=>{try{o(t.throw(a))}catch(u){i(u)}},o=a=>a.done?e(a.value):Promise.resolve(a.value).then(n,s);o((t=t.apply(l,r)).next())});var Dt={};$(Dt,{CanvasForm:()=>Q,CanvasSpace:()=>tt});var Lt={};$(Lt,{MultiTouchSpace:()=>Y,Space:()=>at});var xt={};$(xt,{Bound:()=>G,Group:()=>d,Pt:()=>h});var wt={};$(wt,{Const:()=>w,Util:()=>m});var Pt={};$(Pt,{Geom:()=>y,Num:()=>L,Range:()=>yt,Shaping:()=>st});var _t={};$(_t,{Circle:()=>B,Curve:()=>K,Line:()=>E,Polygon:()=>S,Rectangle:()=>M,Triangle:()=>j});var gt={};$(gt,{Mat:()=>C,Vec:()=>k});var k=class l{static add(r,t){if(typeof t=="number")for(let e=0,i=r.length;e<i;e++)r[e]+=t;else for(let e=0,i=r.length;e<i;e++)r[e]+=t[e]||0;return r}static subtract(r,t){if(typeof t=="number")for(let e=0,i=r.length;e<i;e++)r[e]-=t;else for(let e=0,i=r.length;e<i;e++)r[e]-=t[e]||0;return r}static multiply(r,t){if(typeof t=="number")for(let e=0,i=r.length;e<i;e++)r[e]*=t;else{if(r.length!=t.length)throw new Error(`Cannot do element-wise multiply since the array lengths don't match: ${r.toString()} multiply-with ${t.toString()}`);for(let e=0,i=r.length;e<i;e++)r[e]*=t[e]}return r}static divide(r,t){if(typeof t=="number"){if(t===0)throw new Error("Cannot divide by zero");for(let e=0,i=r.length;e<i;e++)r[e]/=t}else{if(r.length!=t.length)throw new Error(`Cannot do element-wise divide since the array lengths don't match. ${r.toString()} divide-by ${t.toString()}`);for(let e=0,i=r.length;e<i;e++)r[e]/=t[e]}return r}static dot(r,t){if(r.length!=t.length)throw new Error("Array lengths don't match");let e=0;for(let i=0,n=r.length;i<n;i++)e+=r[i]*t[i];return e}static cross2D(r,t){return r[0]*t[1]-r[1]*t[0]}static cross(r,t){return new h(r[1]*t[2]-r[2]*t[1],r[2]*t[0]-r[0]*t[2],r[0]*t[1]-r[1]*t[0])}static magnitude(r){return Math.sqrt(l.dot(r,r))}static unit(r,t=void 0){let e=t===void 0?l.magnitude(r):t;return e===0?h.make(r.length):l.divide(r,e)}static abs(r){return l.map(r,Math.abs)}static floor(r){return l.map(r,Math.floor)}static ceil(r){return l.map(r,Math.ceil)}static round(r){return l.map(r,Math.round)}static max(r){let t=Number.MIN_VALUE,e=0;for(let i=0,n=r.length;i<n;i++)t=Math.max(t,r[i]),t===r[i]&&(e=i);return{value:t,index:e}}static min(r){let t=Number.MAX_VALUE,e=0;for(let i=0,n=r.length;i<n;i++)t=Math.min(t,r[i]),t===r[i]&&(e=i);return{value:t,index:e}}static sum(r){let t=0;for(let e=0,i=r.length;e<i;e++)t+=r[e];return t}static map(r,t){for(let e=0,i=r.length;e<i;e++)r[e]=t(r[e],e,r);return r}},C=class l{constructor(){this.reset()}get value(){return this._33}get domMatrix(){return new DOMMatrix(l.toDOMMatrix(this._33))}reset(){this._33=l.scale2DMatrix(1,1)}scale2D(r,t=[0,0]){let e=l.scaleAt2DMatrix(r[0]||1,r[1]||1,t);return this._33=l.multiply(this._33,e),this}rotate2D(r,t=[0,0]){let e=l.rotateAt2DMatrix(Math.cos(r),Math.sin(r),t);return this._33=l.multiply(this._33,e),this}translate2D(r){let t=l.translate2DMatrix(r[0]||0,r[1]||0);return this._33=l.multiply(this._33,t),this}shear2D(r,t=[0,0]){let e=l.shearAt2DMatrix(Math.tan(r[0]||0),Math.tan(r[1]||1),t);return this._33=l.multiply(this._33,e),this}static add(r,t){if(typeof t!="number"){if(r[0].length!=t[0].length)throw new Error("Cannot add matrix if rows' and columns' size don't match.");if(r.length!=t.length)throw new Error("Cannot add matrix if rows' and columns' size don't match.")}let e=new d,i=typeof t=="number";for(let n=0,s=r.length;n<s;n++)e.push(r[n].$add(i?t:t[n]));return e}static multiply(r,t,e=!1,i=!1){let n=new d;if(typeof t!="number")if(i){if(r.length!=t.length)throw new Error("Cannot multiply matrix element-wise because the matrices' sizes don't match.");for(let s=0,o=r.length;s<o;s++)n.push(r[s].$multiply(t[s]))}else{if(!e&&r[0].length!=t.length)throw new Error("Cannot multiply matrix if rows in matrix-a don't match columns in matrix-b.");if(e&&r[0].length!=t[0].length)throw new Error("Cannot multiply matrix if transposed and the columns in both matrices don't match.");e||(t=l.transpose(t));for(let s=0,o=r.length;s<o;s++){let a=h.make(t.length,0);for(let u=0,c=t.length;u<c;u++)a[u]=k.dot(r[s],t[u]);n.push(a)}}else for(let s=0,o=r.length;s<o;s++)n.push(r[s].$multiply(t));return n}static zipSlice(r,t,e=!1){let i=[];for(let n=0,s=r.length;n<s;n++){if(r[n].length-1<t&&e===!1)throw`Index ${t} is out of bounds`;i.push(r[n][t]||e)}return new h(i)}static zip(r,t=!1,e=!1){let i=new d,n=e?r.reduce((s,o)=>Math.max(s,o.length),0):r[0].length;for(let s=0;s<n;s++)i.push(l.zipSlice(r,s,t));return i}static transpose(r,t=!1,e=!1){return l.zip(r,t,e)}static toDOMMatrix(r){return[r[0][0],r[0][1],r[1][0],r[1][1],r[2][0],r[2][1]]}static transform2D(r,t){let e=r[0]*t[0][0]+r[1]*t[1][0]+t[2][0],i=r[0]*t[0][1]+r[1]*t[1][1]+t[2][1];return new h(e,i)}static scale2DMatrix(r,t){return new d(new h(r,0,0),new h(0,t,0),new h(0,0,1))}static rotate2DMatrix(r,t){return new d(new h(r,t,0),new h(-t,r,0),new h(0,0,1))}static shear2DMatrix(r,t){return new d(new h(1,r,0),new h(t,1,0),new h(0,0,1))}static translate2DMatrix(r,t){return new d(new h(1,0,0),new h(0,1,0),new h(r,t,1))}static scaleAt2DMatrix(r,t,e){let i=l.scale2DMatrix(r,t);return i[2][0]=-e[0]*r+e[0],i[2][1]=-e[1]*t+e[1],i}static rotateAt2DMatrix(r,t,e){let i=l.rotate2DMatrix(r,t);return i[2][0]=e[0]*(1-r)+e[1]*t,i[2][1]=e[1]*(1-r)-e[0]*t,i}static shearAt2DMatrix(r,t,e){let i=l.shear2DMatrix(r,t);return i[2][0]=-e[1]*t,i[2][1]=-e[0]*r,i}static reflectAt2DMatrix(r,t){let e=E.intercept(r,t);if(e==null)return[new h([-1,0,0]),new h([0,1,0]),new h([r[0]+t[0],0,1])];{let i=e.yi,n=Math.atan(e.slope)*2,s=Math.cos(n),o=Math.sin(n);return[new h([s,o,0]),new h([o,-s,0]),new h([-i*o,i+i*s,1])]}}};var N=(l,r="expected")=>m.warn("Group's length is less than "+r,l),Wt=(l,r="")=>m.warn(`Index ${r} is out of bound in Group`,l),E=class l{static fromAngle(r,t,e){let i=new d(new h(r),new h(r));return i[1].toAngle(t,e,!0),i}static slope(r,t){return t[0]-r[0]===0?void 0:(t[1]-r[1])/(t[0]-r[0])}static intercept(r,t){if(t[0]-r[0]!==0){let e=(t[1]-r[1])/(t[0]-r[0]),i=r[1]-e*r[0];return{slope:e,yi:i,xi:e===0?void 0:-i/e}}}static sideOfPt2D(r,t){let e=m.iterToArray(r);return(e[1][0]-e[0][0])*(t[1]-e[0][1])-(t[0]-e[0][0])*(e[1][1]-e[0][1])}static collinear(r,t,e,i=.01){let n=new h(0,0,0).to(r).$subtract(t),s=new h(0,0,0).to(r).$subtract(e);return n.$cross(s).divide(1e3).equals(new h(0,0,0),i)}static magnitude(r){let t=m.iterToArray(r);return t.length>=2?t[1].$subtract(t[0]).magnitude():0}static magnitudeSq(r){let t=m.iterToArray(r);return t.length>=2?t[1].$subtract(t[0]).magnitudeSq():0}static perpendicularFromPt(r,t,e=!1){let i=m.iterToArray(r);if(i[0].equals(i[1]))return;let n=i[0].$subtract(i[1]),s=i[1].$subtract(t),o=s.$subtract(n.$project(s));return e?o:o.$add(t)}static distanceFromPt(r,t){let e=m.iterToArray(r),i=l.perpendicularFromPt(e,t,!0);return i?i.magnitude():e[0].$subtract(t).magnitude()}static intersectRay2D(r,t){let e=m.iterToArray(r),i=m.iterToArray(t),n=l.intercept(e[0],e[1]),s=l.intercept(i[0],i[1]),o=e[0],a=i[0];if(n==null){if(s==null)return;let u=-s.slope*(a[0]-o[0])+a[1];return new h(o[0],u)}else if(s==null){let u=-n.slope*(o[0]-a[0])+o[1];return new h(a[0],u)}else if(s.slope!=n.slope){let u=(n.slope*o[0]-s.slope*a[0]+a[1]-o[1])/(n.slope-s.slope),c=n.slope*(u-o[0])+o[1];return new h(u,c)}else return n.yi==s.yi?new h(o[0],o[1]):void 0}static intersectLine2D(r,t){let e=m.iterToArray(r),i=m.iterToArray(t),n=l.intersectRay2D(e,i);return n&&y.withinBound(n,e[0],e[1])&&y.withinBound(n,i[0],i[1])?n:void 0}static intersectLineWithRay2D(r,t){let e=m.iterToArray(r),i=m.iterToArray(t),n=l.intersectRay2D(e,i);return n&&y.withinBound(n,e[0],e[1])?n:void 0}static intersectPolygon2D(r,t,e=!1){let i=m.iterToArray(r),n=m.iterToArray(t),s=e?l.intersectLineWithRay2D:l.intersectLine2D,o=new d;for(let a=0,u=n.length;a<u;a++){let c=a===u-1?0:a+1,f=s([n[a],n[c]],i);f&&o.push(f)}return o.length>0?o:void 0}static intersectLines2D(r,t,e=!1){let i=new d,n=e?l.intersectLineWithRay2D:l.intersectLine2D;for(let s of r)for(let o of t){let a=n(s,o);a&&i.push(a)}return i}static intersectGridWithRay2D(r,t){let e=m.iterToArray(r),i=l.intercept(new h(e[0]).subtract(t),new h(e[1]).subtract(t)),n=new d;return i&&i.xi&&n.push(new h(t[0]+i.xi,t[1])),i&&i.yi&&n.push(new h(t[0],t[1]+i.yi)),n}static intersectGridWithLine2D(r,t){let e=m.iterToArray(r),i=l.intersectGridWithRay2D(e,t),n=new d;for(let s=0,o=i.length;s<o;s++)y.withinBound(i[s],e[0],e[1])&&n.push(i[s]);return n}static intersectRect2D(r,t){let e=m.iterToArray(r),i=m.iterToArray(t),n=y.boundingBox(d.fromPtArray(e));return M.hasIntersectRect2D(n,i)?l.intersectLines2D([e],M.sides(i)):new d}static subpoints(r,t){let e=m.iterToArray(r),i=new d;for(let n=1;n<=t;n++)i.push(y.interpolate(e[0],e[1],n/(t+1)));return i}static crop(r,t,e=0,i=!0){let n=m.iterToArray(r),o=n[e===0?1:0].$subtract(n[e]);if(o[0]===0||t[0]===0)return n[e];if(i){let a=o.unit().multiply(t[1]);return n[e].$add(a)}else{let a=M.fromCenter(n[e],t),u=M.sides(a),c=0;return Math.abs(o[1]/o[0])>Math.abs(t[1]/t[0])?c=o[1]<0?0:2:c=o[0]<0?3:1,l.intersectRay2D(u[c],n)}}static marker(r,t,e="arrow",i=!0){let n=m.iterToArray(r),s=i?0:1,o=i?1:0,a=n[s].$subtract(n[o]);if(a.magnitudeSq()===0)return new d;a.unit();let u=y.perpendicular(a).multiply(t[0]).add(n[o]);return e=="arrow"?(u.add(a.$multiply(t[1])),new d(n[o],u[0],u[1])):new d(u[0],u[1])}static toRect(r){let t=m.iterToArray(r);return new d(t[0].$min(t[1]),t[0].$max(t[1]))}},M=class l{static from(r,t,e){return l.fromTopLeft(r,t,e)}static fromTopLeft(r,t,e){let i=typeof t=="number"?[t,e||t]:t;return new d(new h(r),new h(r).add(i))}static fromCenter(r,t,e){let i=typeof t=="number"?[t/2,(e||t)/2]:new h(t).divide(2);return new d(new h(r).subtract(i),new h(r).add(i))}static toCircle(r,t=!0){return B.fromRect(r,t)}static toSquare(r,t=!1){let e=m.iterToArray(r),i=l.size(e),n=t?i.maxValue().value:i.minValue().value;return l.fromCenter(l.center(e),n,n)}static size(r){let t=m.iterToArray(r);return t[0].$max(t[1]).subtract(t[0].$min(t[1]))}static center(r){let t=m.iterToArray(r),e=t[0].$min(t[1]),i=t[0].$max(t[1]);return e.add(i.$subtract(e).divide(2))}static corners(r){let t=m.iterToArray(r),e=t[0].$min(t[1]),i=t[0].$max(t[1]);return new d(e,new h(i.x,e.y),i,new h(e.x,i.y))}static sides(r){let[t,e,i,n]=l.corners(r);return[new d(t,e),new d(e,i),new d(i,n),new d(n,t)]}static boundingBox(r){let t=m.iterToArray(r),e=m.flatten(t,!1),i=h.make(2,Number.MAX_VALUE),n=h.make(2,Number.MIN_VALUE);for(let s=0,o=e.length;s<o;s++){let a=0;for(let u of e[s])if(i[a]=Math.min(i[a],u[a]),n[a]=Math.max(n[a],u[a]),++a>=2)break}return new d(i,n)}static polygon(r){return l.corners(r)}static quadrants(r,t){let e=m.iterToArray(r),i=l.corners(e),n=t!=null?new h(t):l.center(e);return i.map(s=>new d(s,n).boundingBox())}static halves(r,t=.5,e=!1){let i=m.iterToArray(r),n=i[0].$min(i[1]),s=i[0].$max(i[1]),o=e?L.lerp(n[1],s[1],t):L.lerp(n[0],s[0],t);return e?[new d(n,new h(s[0],o)),new d(new h(n[0],o),s)]:[new d(n,new h(o,s[1])),new d(new h(o,n[1]),s)]}static withinBound(r,t){let e=m.iterToArray(r);return y.withinBound(t,e[0],e[1])}static hasIntersectRect2D(r,t,e=!1){let i=m.iterToArray(r),n=m.iterToArray(t);return e&&(i=y.boundingBox(i),n=y.boundingBox(n)),!(i[0][0]>n[1][0]||n[0][0]>i[1][0]||i[0][1]>n[1][1]||n[0][1]>i[1][1])}static intersectRect2D(r,t){let e=m.iterToArray(r),i=m.iterToArray(t);return l.hasIntersectRect2D(e,i)?E.intersectLines2D(l.sides(e),l.sides(i)):new d}},B=class l{static fromRect(r,t=!1){let e=m.iterToArray(r),i=0,n=i=M.size(e).minValue().value/2;if(t){let s=M.size(e).maxValue().value/2;i=Math.sqrt(n*n+s*s)}else i=n;return new d(M.center(e),new h(i,i))}static fromTriangle(r,t=!1){return t?j.circumcircle(r):j.incircle(r)}static fromCenter(r,t){return new d(new h(r),new h(t,t))}static withinBound(r,t,e=0){let i=m.iterToArray(r),n=i[0].$subtract(t);return n.dot(n)+e<i[1].x*i[1].x}static intersectRay2D(r,t){let e=m.iterToArray(r),i=m.iterToArray(t),n=i[0].$subtract(i[1]),s=e[0].$subtract(i[0]),o=n.dot(n),a=s.dot(n),u=s.dot(s)-e[1].x*e[1].x,c=a/o,f=u/o,p=c*c-f;if(p<0)return new d;{let b=Math.sqrt(p),P=-c+b,_=i[0].$subtract(n.$multiply(P));if(p===0)return new d(_);let D=-c-b,A=i[0].$subtract(n.$multiply(D));return new d(_,A)}}static intersectLine2D(r,t){let e=m.iterToArray(r),i=m.iterToArray(t),n=l.intersectRay2D(e,i),s=new d;if(n.length>0)for(let o=0,a=n.length;o<a;o++)M.withinBound(i,n[o])&&s.push(n[o]);return s}static intersectCircle2D(r,t){let e=m.iterToArray(r),i=m.iterToArray(t),n=i[0].$subtract(e[0]),s=n.magnitudeSq(),o=Math.sqrt(s),a=e[1].x,u=i[1].x,c=a*a,f=u*u;if(o>a+u)return new d;if(o<Math.abs(a-u))return new d(e[0].clone());{let p=(c-f+s)/(2*o),b=Math.sqrt(c-p*p),P=n.$multiply(p/o).add(e[0]);return new d(new h(P.x+b*n.y/o,P.y-b*n.x/o),new h(P.x-b*n.y/o,P.y+b*n.x/o))}}static intersectRect2D(r,t){let e=m.iterToArray(r),i=m.iterToArray(t),n=M.sides(i),s=[];for(let o=0,a=n.length;o<a;o++){let u=l.intersectLine2D(e,n[o]);u.length>0&&s.push(u)}return m.flatten(s)}static toRect(r,t=!1){let e=m.iterToArray(r),i=e[1][0];if(t){let n=Math.sqrt(i*i)/2;return new d(e[0].$subtract(n),e[0].$add(n))}else return new d(e[0].$subtract(i),e[0].$add(i))}static toTriangle(r,t=!0){let e=m.iterToArray(r);if(t){let i=-Math.PI/2,n=Math.PI*2/3,s=new d;for(let o=0;o<3;o++)s.push(e[0].clone().toAngle(i,e[1][0],!0)),i+=n;return s}else return j.fromCenter(e[0],e[1][0])}},j=class l{static fromRect(r){let t=m.iterToArray(r),e=t[0].$add(t[1]).divide(2);e.y=t[0][1];let i=t[1].clone();return i.x=t[0][0],new d(e,t[1].clone(),i)}static fromCircle(r){return B.toTriangle(r,!0)}static fromCenter(r,t){return l.fromCircle(B.fromCenter(r,t))}static medial(r){let t=m.iterToArray(r);return t.length<3?N(new d,3):S.midpoints(t,!0)}static oppositeSide(r,t){let e=m.iterToArray(r);return e.length<3?N(new d,3):t===0?d.fromPtArray([e[1],e[2]]):t===1?d.fromPtArray([e[0],e[2]]):d.fromPtArray([e[0],e[1]])}static altitude(r,t){let e=m.iterToArray(r),i=l.oppositeSide(e,t);return i.length>1?new d(e[t],E.perpendicularFromPt(i,e[t])):new d}static orthocenter(r){let t=m.iterToArray(r);if(t.length<3)return N(void 0,3);let e=l.altitude(t,0),i=l.altitude(t,1);return E.intersectRay2D(e,i)}static incenter(r){let t=m.iterToArray(r);if(t.length<3)return N(void 0,3);let e=S.bisector(t,0).add(t[0]),i=S.bisector(t,1).add(t[1]);return E.intersectRay2D(new d(t[0],e),new d(t[1],i))}static incircle(r,t){let e=m.iterToArray(r),i=t||l.incenter(e),n=S.area(e),s=S.perimeter(e,!0),o=2*n/s.total;return B.fromCenter(i,o)}static circumcenter(r){let t=m.iterToArray(r),e=l.medial(t),i=[e[0],y.perpendicular(t[0].$subtract(e[0])).p1.$add(e[0])],n=[e[1],y.perpendicular(t[1].$subtract(e[1])).p1.$add(e[1])];return E.intersectRay2D(i,n)}static circumcircle(r,t){let e=m.iterToArray(r),i=t||l.circumcenter(e),n=e[0].$subtract(i).magnitude();return B.fromCenter(i,n)}},S=class l{static centroid(r){return y.centroid(r)}static rectangle(r,t,e){return M.corners(M.fromCenter(r,t,e))}static fromCenter(r,t,e){let i=new d;for(let n=0;n<e;n++){let s=Math.PI*2*n/e;i.push(new h(Math.cos(s)*t,Math.sin(s)*t).add(r))}return i}static lineAt(r,t){let e=m.iterToArray(r);if(t<0||t>=e.length)throw new Error("index out of the Polygon's range");return new d(e[t],t===e.length-1?e[0]:e[t+1])}static lines(r,t=!0){let e=m.iterToArray(r);if(e.length<2)return N(new d,2);let i=m.split(e,2,1);return t&&i.push(new d(e[e.length-1],e[0])),i.map(n=>n)}static midpoints(r,t=!1,e=.5){return l.lines(r,t).map(s=>y.interpolate(s[0],s[1],e))}static adjacentSides(r,t,e=!1){let i=m.iterToArray(r);if(i.length<2)return N(new d,2);if(t<0||t>=i.length)return Wt(new d,t);let n=[],s=t-1;e&&s<0&&(s=i.length-1),s>=0&&n.push(new d(i[t],i[s]));let o=t+1;return e&&o>i.length-1&&(o=0),o<=i.length-1&&n.push(new d(i[t],i[o])),n}static bisector(r,t){let e=l.adjacentSides(r,t,!0);if(e.length>=2){let i=e[0][1].$subtract(e[0][0]).unit(),n=e[1][1].$subtract(e[1][0]).unit();return i.add(n).divide(2)}else return}static perimeter(r,t=!1){let e=l.lines(r,t),i=0,n=h.make(e.length,0);for(let s=0,o=e.length;s<o;s++){let a=E.magnitude(e[s]);i+=a,n[s]=a}return{total:i,segments:n}}static area(r){let t=m.iterToArray(r);if(t.length<3)return N(new d,3);let e=(n,s)=>n[0]*s[1]-n[1]*s[0],i=0;for(let n=0,s=t.length;n<s;n++)n<t.length-1?i+=e(t[n],t[n+1]):i+=e(t[n],t[0]);return Math.abs(i/2)}static convexHull(r,t=!1){let e=m.iterToArray(r);if(e.length<3)return N(new d,3);t||(e=e.slice(),e.sort((u,c)=>u[0]-c[0]));let i=(u,c,f)=>(c[0]-u[0])*(f[1]-u[1])-(f[0]-u[0])*(c[1]-u[1])>0,n=[],s=e.length-2,o=s+3;n[s]=e[2],n[o]=e[2],i(e[0],e[1],e[2])?(n[s+1]=e[0],n[s+2]=e[1]):(n[s+1]=e[1],n[s+2]=e[0]);for(let u=3,c=e.length;u<c;u++){let f=e[u];if(!(i(n[s],n[s+1],f)&&i(n[o-1],n[o],f))){for(;!i(n[s],n[s+1],f);)s+=1;for(s-=1,n[s]=f;!i(n[o-1],n[o],f);)o-=1;o+=1,n[o]=f}}let a=new d;for(let u=0;u<o-s;u++)a.push(n[s+u]);return a}static network(r,t=0){let e=m.iterToArray(r),i=[];for(let n=0,s=e.length;n<s;n++)n!=t&&i.push(new d(e[t],e[n]));return i}static nearestPt(r,t){let e=Number.MAX_VALUE,i=-1,n=0;for(let s of r){let o=s.$subtract(t).magnitudeSq();o<e&&(e=o,i=n),n++}return i}static projectAxis(r,t){let e=m.iterToArray(r),i=t.dot(e[0]),n=new h(i,i);for(let s=1,o=e.length;s<o;s++)i=t.dot(e[s]),n=new h(Math.min(i,n[0]),Math.max(i,n[1]));return n}static _axisOverlap(r,t,e){let i=l.projectAxis(r,e),n=l.projectAxis(t,e);return i[0]<n[0]?n[0]-i[1]:i[0]-n[1]}static hasIntersectPoint(r,t){let e=m.iterToArray(r),i=!1;for(let n=0,s=e.length;n<s;n++){let o=l.lineAt(e,n);o[0][1]>t[1]!=o[1][1]>t[1]&&t[0]<(o[1][0]-o[0][0])*(t[1]-o[0][1])/(o[1][1]-o[0][1])+o[0][0]&&(i=!i)}return i}static hasIntersectCircle(r,t){let e=m.iterToArray(r),i=m.iterToArray(t),n={which:-1,dist:0,normal:null,edge:null,vertex:null},s=i[0],o=i[1][0],a=Number.MAX_SAFE_INTEGER;for(let c=0,f=e.length;c<f;c++){let p=l.lineAt(e,c),b=new h(p[0].y-p[1].y,p[1].x-p[0].x).unit(),P=new d(s.$add(b.$multiply(o)),s.$subtract(b.$multiply(o))),_=l._axisOverlap(e,P,b);if(_>0)return null;Math.abs(_)<a&&(M.withinBound(p,E.perpendicularFromPt(p,s))||B.intersectLine2D(t,p).length>0)&&(n.edge=p,n.normal=b,a=Math.abs(_),n.which=c)}return n.edge?(s.$subtract(l.centroid(e)).dot(n.normal)<0&&n.normal.multiply(-1),n.dist=a,n.vertex=s,n):null}static hasIntersectPolygon(r,t){let e=m.iterToArray(r),i=m.iterToArray(t),n={which:-1,dist:0,normal:new h,edge:new d,vertex:new h},s=Number.MAX_SAFE_INTEGER;for(let b=0,P=e.length+i.length;b<P;b++){let _=b<e.length?l.lineAt(e,b):l.lineAt(i,b-e.length),D=new h(_[0].y-_[1].y,_[1].x-_[0].x).unit(),A=l._axisOverlap(e,i,D);if(A>0)return null;Math.abs(A)<s&&(n.edge=_,n.normal=D,s=Math.abs(A),n.which=b<e.length?0:1)}n.dist=s;let o=n.which===0?i:e,a=n.which===0?e:i,u=l.centroid(o),c=l.centroid(a);u.$subtract(c).dot(n.normal)<0&&n.normal.multiply(-1);let p=Number.MAX_SAFE_INTEGER;for(let b=0,P=o.length;b<P;b++){let _=n.normal.dot(o[b].$subtract(c));_<p&&(p=_,n.vertex=o[b])}return n}static intersectPolygon2D(r,t){let e=m.iterToArray(r),i=m.iterToArray(t),n=l.lines(e),s=[];for(let o=0,a=n.length;o<a;o++){let u=E.intersectPolygon2D(n[o],i,!1);u&&s.push(u)}return m.flatten(s,!0)}static toRects(r){let t=[];for(let i of r)t.push(y.boundingBox(i));let e=m.flatten(t,!1);return t.unshift(y.boundingBox(e)),t}},K=class l{static getSteps(r){let t=new d;for(let e=0;e<=r;e++){let i=e/r;t.push(new h(i*i*i,i*i,i,1))}return t}static controlPoints(r,t=0,e=!1){let i=m.iterToArray(r);if(t>i.length-1)return new d;let n=o=>o<i.length-1?o:i.length-1,s=i[t];return t=e?t:t+1,new d(s,i[n(t++)],i[n(t++)],i[n(t++)])}static _calcPt(r,t){let e=r.reduce((n,s,o)=>n+s.x*t[o],0),i=r.reduce((n,s,o)=>n+s.y*t[o],0);if(r[0].length>2){let n=r.reduce((s,o,a)=>s+o.z*t[a],0);return new h(e,i,n)}return new h(e,i)}static catmullRom(r,t=10){let e=m.iterToArray(r);if(e.length<2)return new d;let i=new d,n=l.getSteps(t),s=l.controlPoints(e,0,!0);for(let a=0;a<=t;a++)i.push(l.catmullRomStep(n[a],s));let o=0;for(;o<e.length-2;){let a=l.controlPoints(e,o);if(a.length>0){for(let u=0;u<=t;u++)i.push(l.catmullRomStep(n[u],a));o++}}return i}static catmullRomStep(r,t){let e=new d(new h(-.5,1,-.5,0),new h(1.5,-2.5,0,1),new h(-1.5,2,.5,0),new h(.5,-.5,0,0));return l._calcPt(t,C.multiply([r],e,!0)[0])}static cardinal(r,t=10,e=.5){let i=m.iterToArray(r);if(i.length<2)return new d;let n=new d,s=l.getSteps(t),o=l.controlPoints(i,0,!0);for(let u=0;u<=t;u++)n.push(l.cardinalStep(s[u],o,e));let a=0;for(;a<i.length-2;){let u=l.controlPoints(i,a);if(u.length>0){for(let c=0;c<=t;c++)n.push(l.cardinalStep(s[c],u,e));a++}}return n}static cardinalStep(r,t,e=.5){let i=new d(new h(-1,2,-1,0),new h(-1,1,0,0),new h(1,-2,1,0),new h(1,-1,0,0)),n=C.multiply([r],i,!0)[0].multiply(e),s=2*r[0]-3*r[1]+1,o=-2*r[0]+3*r[1],a=l._calcPt(t,n);return a.x+=s*t[1].x+o*t[2].x,a.y+=s*t[1].y+o*t[2].y,a.length>2&&(a.z+=s*t[1].z+o*t[2].z),a}static bezier(r,t=10){let e=m.iterToArray(r);if(e.length<4)return new d;let i=new d,n=l.getSteps(t),s=0;for(;s<e.length-3;){let o=l.controlPoints(e,s);if(o.length>0){for(let a=0;a<=t;a++)i.push(l.bezierStep(n[a],o));s+=3}}return i}static bezierStep(r,t){let e=new d(new h(-1,3,-3,1),new h(3,-6,3,0),new h(-3,3,0,0),new h(1,0,0,0));return l._calcPt(t,C.multiply([r],e,!0)[0])}static bspline(r,t=10,e=1){let i=m.iterToArray(r);if(i.length<2)return new d;let n=new d,s=l.getSteps(t),o=0;for(;o<i.length-3;){let a=l.controlPoints(i,o);if(a.length>0){if(e!==1)for(let u=0;u<=t;u++)n.push(l.bsplineTensionStep(s[u],a,e));else for(let u=0;u<=t;u++)n.push(l.bsplineStep(s[u],a));o++}}return n}static bsplineStep(r,t){let e=new d(new h(-.16666666666666666,.5,-.5,.16666666666666666),new h(.5,-1,0,.6666666666666666),new h(-.5,.5,.5,.16666666666666666),new h(.16666666666666666,0,0,0));return l._calcPt(t,C.multiply([r],e,!0)[0])}static bsplineTensionStep(r,t,e=1){let i=new d(new h(-.16666666666666666,.5,-.5,.16666666666666666),new h(-1.5,2,0,-.3333333333333333),new h(1.5,-2.5,.5,.16666666666666666),new h(.16666666666666666,0,0,0)),n=C.multiply([r],i,!0)[0].multiply(e),s=2*r[0]-3*r[1]+1,o=-2*r[0]+3*r[1],a=l._calcPt(t,n);return a.x+=s*t[1].x+o*t[2].x,a.y+=s*t[1].y+o*t[2].y,a.length>2&&(a.z+=s*t[1].z+o*t[2].z),a}};function Xt(){let l=4022871197;return function(t){if(t){t=t.toString();for(let e=0;e<t.length;e++){l+=t.charCodeAt(e);let i=.02519603282416938*l;l=i>>>0,i-=l,i*=l,l=i>>>0,i-=l,l+=i*4294967296}return(l>>>0)*23283064365386963e-26}else l=4022871197}}function Ut(l){let r=48,t=1,e=r,i=new Array(r),n,s,o=0,a=Xt();for(n=0;n<r;n++)i[n]=a(Math.random().toString());function u(){for(a(),n=0;n<r;n++)i[n]=a(" ");t=1,e=r}function c(p){return p=p.replace(/(^\s*)|(\s*$)/gi,""),p=p.replace(/[\x00-\x1F]/gi,""),p=p.replace(/\n /,`

`),p}function f(p){for(p=c(p),a(p),n=0;n<p.length;n++)for(o=p.charCodeAt(n),s=0;s<r;s++)i[s]-=a(o.toString()),i[s]<0&&(i[s]+=1)}return u(),f(l),{random(){++e>=r&&(e=0);let p=1768863*i[e]+t*23283064365386963e-26;return i[e]=p-(t=p|0)}}}var L=class l{static equals(r,t,e=1e-5){return Math.abs(r-t)<e}static lerp(r,t,e){return(1-e)*r+e*t}static clamp(r,t,e){return Math.max(t,Math.min(e,r))}static boundValue(r,t,e){let i=Math.abs(e-t),n=r%i;return n>e?n-=i:n<t&&(n+=i),n}static within(r,t,e){return r>=Math.min(t,e)&&r<=Math.max(t,e)}static randomRange(r,t=0){let e=r>t?r-t:t-r;return r+l.random()*e}static randomPt(r,t){let e=new h(r.length),i=t?k.subtract(t.slice(),r):r,n=t?r:new h(r.length).fill(0);for(let s=0,o=e.length;s<o;s++)e[s]=l.random()*i[s]+n[s];return e}static normalizeValue(r,t,e){let i=Math.min(t,e),n=Math.max(t,e);return(r-i)/(n-i)}static sum(r){let t=m.iterToArray(r),e=new h(t[0]);for(let i=1,n=t.length;i<n;i++)k.add(e,t[i]);return e}static average(r){let t=m.iterToArray(r);return l.sum(t).divide(t.length)}static cycle(r,t=st.sineInOut){return t(r>.5?2-r*2:r*2)}static mapToRange(r,t,e,i,n){if(t==e)throw new Error("[currMin, currMax] must define a range that is not zero");let s=Math.min(i,n),o=Math.max(i,n);return l.normalizeValue(r,t,e)*(o-s)+s}static seed(r){this.generator=Ut(r)}static random(){return this.generator?this.generator.random():Math.random()}},y=class l{static boundAngle(r){return L.boundValue(r,0,360)}static boundRadian(r){return L.boundValue(r,0,w.two_pi)}static toRadian(r){return r*w.deg_to_rad}static toDegree(r){return r*w.rad_to_deg}static boundingBox(r){let t,e;for(let i of r)t==null?(t=i.clone(),e=i.clone()):(t=t.$min(i),e=e.$max(i));return new d(t,e)}static centroid(r){return L.average(r)}static anchor(r,t=0,e="to"){let i=e=="to"?"subtract":"add",n=0;for(let s of r)typeof t=="number"?t!==n&&s[i](r[t]):s[i](t),n++}static interpolate(r,t,e=.5){let i=Math.min(r.length,t.length),n=h.make(i);for(let s=0;s<i;s++)n[s]=r[s]*(1-e)+t[s]*e;return n}static perpendicular(r,t=w.xy){let e=t[1],i=t[0],n=new h(r),s=new h(n);s[i]=-n[e],s[e]=n[i];let o=new h(n);return o[i]=n[e],o[e]=-n[i],new d(s,o)}static isPerpendicular(r,t){return new h(r).dot(t)===0}static withinBound(r,t,e){for(let i=0,n=Math.min(r.length,t.length,e.length);i<n;i++)if(!L.within(r[i],t[i],e[i]))return!1;return!0}static sortEdges(r){let t=m.iterToArray(r),e=l.boundingBox(t),i=e[1].add(e[0]).divide(2),n=(s,o)=>{if(s.length<2||o.length<2)throw new Error("Pt dimension cannot be less than 2");let a=s.$subtract(i),u=o.$subtract(i);if(a[0]>=0&&u[0]<0)return 1;if(a[0]<0&&u[0]>=0)return-1;if(a[0]==0&&u[0]==0)return a[1]>=0||u[1]>=0?a[1]>u[1]?1:-1:u[1]>a[1]?1:-1;let c=a.$cross2D(u);return c<0?1:c>0?-1:a[0]*a[0]+a[1]*a[1]>u[0]*u[0]+u[1]*u[1]?1:-1};return t.sort(n)}static scale(r,t,e){let i=m.iterToArray(r[0]!==void 0&&typeof r[0]=="number"?[r]:r),n=typeof t=="number"?h.make(i[0].length,t):t;e||(e=h.make(i[0].length,0));for(let s=0,o=i.length;s<o;s++){let a=i[s];for(let u=0,c=a.length;u<c;u++)a[u]=e&&e[u]?e[u]+(a[u]-e[u])*n[u]:a[u]*n[u]}return l}static rotate2D(r,t,e,i){let n=m.iterToArray(r[0]!==void 0&&typeof r[0]=="number"?[r]:r),s=e?C.rotateAt2DMatrix:C.rotate2DMatrix;e||(e=h.make(n[0].length,0));let o=Math.cos(t),a=Math.sin(t);for(let u=0,c=n.length;u<c;u++){let f=i?n[u].$take(i):n[u];if(f.to(C.transform2D(f,s(o,a,e))),i)for(let p=0;p<i.length;p++)n[u][i[p]]=f[p]}return l}static shear2D(r,t,e,i){let n=m.iterToArray(r[0]!==void 0&&typeof r[0]=="number"?[r]:r),s=typeof t=="number"?[t,t]:t;e||(e=h.make(n[0].length,0));let o=e?C.shearAt2DMatrix:C.shear2DMatrix,a=Math.tan(s[0]),u=Math.tan(s[1]);for(let c=0,f=n.length;c<f;c++){let p=i?n[c].$take(i):n[c];if(p.to(C.transform2D(p,o(a,u,e))),i)for(let b=0;b<i.length;b++)n[c][i[b]]=p[b]}return l}static reflect2D(r,t,e){let i=m.iterToArray(r[0]!==void 0&&typeof r[0]=="number"?[r]:r),n=m.iterToArray(t),s=C.reflectAt2DMatrix(n[0],n[1]);for(let o=0,a=i.length;o<a;o++){let u=e?i[o].$take(e):i[o];if(u.to(C.transform2D(u,s)),e)for(let c=0;c<e.length;c++)i[o][e[c]]=u[c]}return l}static cosTable(){let r=new Float64Array(360);for(let e=0;e<360;e++)r[e]=Math.cos(e*Math.PI/180);return{table:r,cos:e=>r[Math.floor(l.boundAngle(l.toDegree(e)))]}}static sinTable(){let r=new Float64Array(360);for(let e=0;e<360;e++)r[e]=Math.sin(e*Math.PI/180);return{table:r,sin:e=>r[Math.floor(l.boundAngle(l.toDegree(e)))]}}},st=class l{static linear(r,t=1){return t*r}static quadraticIn(r,t=1){return t*r*r}static quadraticOut(r,t=1){return-t*r*(r-2)}static quadraticInOut(r,t=1){let e=r*2;return r<.5?t/2*r*r*4:-t/2*((e-1)*(e-3)-1)}static cubicIn(r,t=1){return t*r*r*r}static cubicOut(r,t=1){let e=r-1;return t*(e*e*e+1)}static cubicInOut(r,t=1){let e=r*2;return r<.5?t/2*e*e*e:t/2*((e-2)*(e-2)*(e-2)+2)}static exponentialIn(r,t=1,e=.25){return t*Math.pow(r,1/e)}static exponentialOut(r,t=1,e=.25){return t*Math.pow(r,e)}static sineIn(r,t=1){return-t*Math.cos(r*w.half_pi)+t}static sineOut(r,t=1){return t*Math.sin(r*w.half_pi)}static sineInOut(r,t=1){return-t/2*(Math.cos(Math.PI*r)-1)}static cosineApprox(r,t=1){let e=r*r,i=e*e,n=i*e;return t*(4*n/9-17*i/9+22*e/9)}static circularIn(r,t=1){return-t*(Math.sqrt(1-r*r)-1)}static circularOut(r,t=1){let e=r-1;return t*Math.sqrt(1-e*e)}static circularInOut(r,t=1){let e=r*2;return r<.5?-t/2*(Math.sqrt(1-e*e)-1):t/2*(Math.sqrt(1-(e-2)*(e-2))+1)}static elasticIn(r,t=1,e=.7){let i=r-1,n=e/w.two_pi*1.5707963267948966;return t*(-Math.pow(2,10*i)*Math.sin((i-n)*w.two_pi/e))}static elasticOut(r,t=1,e=.7){let i=e/w.two_pi*1.5707963267948966;return t*(Math.pow(2,-10*r)*Math.sin((r-i)*w.two_pi/e))+t}static elasticInOut(r,t=1,e=.6){let i=r*2,n=e/w.two_pi*1.5707963267948966;return r<.5?(i-=1,t*(-.5*(Math.pow(2,10*i)*Math.sin((i-n)*w.two_pi/e)))):(i-=1,t*(.5*(Math.pow(2,-10*i)*Math.sin((i-n)*w.two_pi/e)))+t)}static bounceIn(r,t=1){return t-l.bounceOut(1-r,t)}static bounceOut(r,t=1){return r<1/2.75?t*(7.5625*r*r):r<2/2.75?(r-=1.5/2.75,t*(7.5625*r*r+.75)):r<2.5/2.75?(r-=2.25/2.75,t*(7.5625*r*r+.9375)):(r-=2.625/2.75,t*(7.5625*r*r+.984375))}static bounceInOut(r,t=1){return r<.5?l.bounceIn(r*2,t)/2:l.bounceOut(r*2-1,t)/2+t/2}static sigmoid(r,t=1,e=10){let i=e*(r-.5);return t/(1+Math.exp(-i))}static logSigmoid(r,t=1,e=.7){e=Math.max(w.epsilon,Math.min(1-w.epsilon,e)),e=1/(1-e);let i=1/(1+Math.exp((r-.5)*e*-2)),n=1/(1+Math.exp(e)),s=1/(1+Math.exp(-e));return t*(i-n)/(s-n)}static seat(r,t=1,e=.5){return r<.5?t*Math.pow(2*r,1-e)/2:t*(1-Math.pow(2*(1-r),1-e)/2)}static quadraticBezier(r,t=1,e=[.05,.95]){let i=typeof e!="number"?e[0]:e,n=typeof e!="number"?e[1]:.5,s=1-2*i;s===0&&(s=w.epsilon);let o=(Math.sqrt(i*i+s*r)-i)/s;return t*((1-2*n)*(o*o)+2*n*o)}static cubicBezier(r,t=1,e=[.1,.7],i=[.9,.2]){let n=new d(new h(0,0),new h(e),new h(i),new h(1,1));return t*K.bezierStep(new h(r*r*r,r*r,r,1),K.controlPoints(n)).y}static quadraticTarget(r,t=1,e=[.2,.35]){let i=Math.min(1-w.epsilon,Math.max(w.epsilon,e[0])),n=Math.min(1,Math.max(0,e[1])),s=(1-n)/(1-i)-n/i,o=(s*(i*i)-n)/i,a=s*(r*r)-o*r;return t*Math.min(1,Math.max(0,a))}static cliff(r,t=1,e=.5){return r>e?t:0}static step(r,t,e,i,...n){let s=1/t,o=Math.floor(e/s)*s;return r(o,i,...n)}},yt=class{constructor(r){this._dims=0;this._source=d.fromPtArray(r),this.calc()}get max(){return this._max.clone()}get min(){return this._min.clone()}get magnitude(){return this._mag.clone()}calc(){if(!this._source)return;let r=this._source[0].length;this._dims=r;let t=new h(r),e=new h(r),i=new h(r);for(let n=0;n<r;n++){t[n]=w.min,e[n]=w.max,i[n]=0;let s=this._source.zipSlice(n);for(let o=0,a=s.length;o<a;o++)t[n]=Math.max(t[n],s[o]),e[n]=Math.min(e[n],s[o]),i[n]=t[n]-e[n]}return this._max=t,this._min=e,this._mag=i,this}mapTo(r,t,e){let i=new d;for(let n=0,s=this._source.length;n<s;n++){let o=this._source[n],a=new h(this._dims);for(let u=0;u<this._dims;u++)a[u]=e&&e[u]?o[u]:L.mapToRange(o[u],this._min[u],this._max[u],r,t);i.push(a)}return i}append(r,t=!0){let e=m.iterToArray(r);if(e[0].length!==this._dims)throw new Error(`Dimensions don't match. ${this._dims} dimensions in Range and ${e[0].length} provided in parameter. `);return this._source=this._source.concat(e),t&&this.calc(),this}ticks(r){let t=new d;for(let e=0;e<=r;e++){let i=new h(this._dims);for(let n=0,s=this._max.length;n<s;n++)i[n]=L.lerp(this._min[n],this._max[n],e/r);t.push(i)}return t}};var w={xy:"xy",yz:"yz",xz:"xz",xyz:"xyz",horizontal:0,vertical:1,identical:0,right:4,bottom_right:5,bottom:6,bottom_left:7,left:8,top_left:1,top:2,top_right:3,epsilon:1e-4,max:Number.MAX_VALUE,min:Number.MIN_VALUE,pi:Math.PI,two_pi:6.283185307179586,half_pi:1.5707963267948966,quarter_pi:.7853981633974483,one_degree:.017453292519943295,rad_to_deg:57.29577951308232,deg_to_rad:.017453292519943295,gravity:9.81,newton:.10197,gaussian:.3989422804014327},q=class q{static warnLevel(r){return r&&(q._warnLevel=r),q._warnLevel}static getArgs(r){if(r.length<1)return[];let t=[],e=Array.isArray(r[0])||ArrayBuffer.isView(r[0]);if(typeof r[0]=="number")t=Array.prototype.slice.call(r);else if(typeof r[0]=="object"&&!e){let i=["x","y","z","w"],n=r[0];for(let s=0;s<i.length&&!(n.length&&s>=n.length||!(i[s]in n));s++)t.push(n[i[s]])}else e&&(t=[].slice.call(r[0]));return t}static warn(r="error",t=void 0){if(q.warnLevel()=="error")throw new Error(r);return q.warnLevel()=="warn"&&console.warn(r),t}static randomInt(r,t=0){return q.warn("Util.randomInt is deprecated. 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"${r}"`,!1)},e.onerror=function(){t("Unknown network error",!1)},e.send()}static download(r,t="pts_canvas_image",e="png",i=1){let n=e==="jpg"?"jpeg":e;r.element.toBlob(function(s){let o=document.createElement("a"),a=URL.createObjectURL(s);o.href=a,o.download=`${t}.${e}`,document.body.appendChild(o),o.click(),document.body.removeChild(o),URL.revokeObjectURL(a)},`image/${n}`,i)}static performance(r=10){let t=Date.now(),e=[];return function(){let i=Date.now();return e.push(i-t),e.length>=r&&e.shift(),t=i,Math.floor(e.reduce((n,s)=>n+s,0)/e.length)}}static arrayCheck(r,t=2){return Array.isArray(r)&&r.length<t?(q.warn(`Requires ${t} or more Pts in this Group.`),!1):!0}static iterToArray(r){return Array.isArray(r)?r:[...r]}static isMobile(){return/iPhone|iPad|Android/i.test(navigator.userAgent)}static uniqueId(r=!1){return r&&crypto?crypto.randomUUID():Date.now().toString(36)+Math.random().toString(36).substring(2)}};q._warnLevel="mute";var m=q;var h=class l extends Float32Array{constructor(...r){let t;r.length===1&&typeof r[0]=="number"?t=r[0]:t=r.length>0?m.getArgs(r):[0,0],super(t)}static make(r,t=0,e=!1){let i=new Float32Array(r);if(t&&i.fill(t),e)for(let n=0,s=i.length;n<s;n++)i[n]=i[n]*L.random();return new l(i)}get id(){return this._id}set id(r){this._id=r}get x(){return this[0]}set x(r){this[0]=r}get y(){return this[1]}set y(r){this[1]=r}get z(){return this[2]}set z(r){this[2]=r}get w(){return this[3]}set w(r){this[3]=r}clone(){return new l(this)}equals(r,t=1e-6){for(let e=0,i=this.length;e<i;e++)if(Math.abs(this[e]-r[e])>t)return!1;return!0}to(...r){let t=m.getArgs(r);for(let e=0,i=Math.min(this.length,t.length);e<i;e++)this[e]=t[e];return this}$to(...r){return this.clone().to(...r)}toAngle(r,t,e=!1){let i=t!=null?t:this.magnitude(),n=[Math.cos(r)*i,Math.sin(r)*i];return e?this.add(n):this.to(n)}op(r){let t=this;return(...e)=>r(t,...e)}ops(r){let t=[];for(let e=0,i=r.length;e<i;e++)t.push(this.op(r[e]));return t}$take(r){let t=[];for(let 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y.scale(this,r,t||l.make(this.length,0)),this}rotate2D(r,t,e){return y.rotate2D(this,r,t||l.make(this.length,0),e),this}shear2D(r,t,e){return y.shear2D(this,r,t||l.make(this.length,0),e),this}reflect2D(r,t){return y.reflect2D(this,r,t),this}toString(){return`Pt(${this.join(", ")})`}toArray(){return[].slice.call(this)}toGroup(){return new d(l.make(this.length),this.clone())}toBound(){return new G(l.make(this.length),this.clone())}},d=class l extends Array{constructor(...r){super(...r)}get id(){return this._id}set id(r){this._id=r}get p1(){return this[0]}get p2(){return this[1]}get p3(){return this[2]}get p4(){return this[3]}get q1(){return this[this.length-1]}get q2(){return this[this.length-2]}get q3(){return this[this.length-3]}get q4(){return this[this.length-4]}clone(){let r=new l;for(let t=0,e=this.length;t<e;t++)r.push(this[t].clone());return r}static fromArray(r){let t=new l;for(let e of r){let i=e instanceof h?e:new h(e);t.push(i)}return t}static fromPtArray(r){return 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this.topLeft=this[0],this.bottomRight=this[1],this._updateSize(),this}};var vt={};$(vt,{UI:()=>W,UIButton:()=>ot,UIDragger:()=>kt,UIPointerActions:()=>v,UIShape:()=>X});var X={rectangle:"rectangle",circle:"circle",polygon:"polygon",polyline:"polyline",line:"line"},v={up:"up",down:"down",move:"move",drag:"drag",uidrag:"uidrag",drop:"drop",uidrop:"uidrop",over:"over",out:"out",enter:"enter",leave:"leave",click:"click",keydown:"keydown",keyup:"keyup",pointerdown:"pointerdown",pointerup:"pointerup",contextmenu:"contextmenu",all:"all"},V=class V{constructor(r,t,e={},i){this._holds=new Map;this._group=d.fromArray(r),this._shape=t,this._id=i===void 0?`ui_${V._counter++}`:i,this._states=e,this._actions={}}static fromRectangle(r,t,e){return new this(r,X.rectangle,t,e)}static fromCircle(r,t,e){return new this(r,X.circle,t,e)}static fromPolygon(r,t,e){return new this(r,X.polygon,t,e)}static fromUI(r,t,e){return new this(r.group,r.shape,t||r._states,e)}get id(){return this._id}set 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p=this.hold(s.move);this._hoverID=this.on(s.move,(b,P)=>{!this._within(P)&&!this.state("dragging")&&(this.state("hover",!1),W._trigger(this._actions[s.leave],this,a,s.leave,c),this.off(s.move,this._hoverID),this.unhold(p))})}})}onClick(t){return this.on(v.up,t)}offClick(t){return this.off(v.up,t)}onContextMenu(t){return this.on(v.contextmenu,t)}offContextMenu(t){return this.off(v.contextmenu,t)}onHover(t,e){let i=[void 0,void 0];return t&&(i[0]=this.on(v.enter,t)),e&&(i[1]=this.on(v.leave,e)),i}offHover(t,e){let i=[!1,!1];return(t===void 0||t>=0)&&(i[0]=this.off(v.enter,t)),(e===void 0||e>=0)&&(i[1]=this.off(v.leave,e)),i}},kt=class extends ot{constructor(t,e,i={},n){super(t,e,i,n);this._draggingID=-1;this._moveHoldID=-1;this._dropHoldID=-1;this._upHoldID=-1;i.dragging===void 0&&(this._states.dragging=!1),i.moved===void 0&&(this._states.moved=!1),i.offset===void 0&&(this._states.offset=new h);let s=v;this.on(s.down,(a,u,c,f)=>{this._moveHoldID===-1&&(this.state("dragging",!0),this.state("offset",new h(u).subtract(a.group[0])),this._moveHoldID=this.hold(s.move)),this._dropHoldID===-1&&(this._dropHoldID=this.hold(s.drop)),this._upHoldID===-1&&(this._upHoldID=this.hold(s.up)),this._draggingID===-1&&(this._draggingID=this.on(s.move,(p,b)=>{this.state("dragging")&&(W._trigger(this._actions[s.uidrag],p,b,s.uidrag,f),this.state("moved",!0))}))});let o=(a,u,c,f)=>{this.state("dragging",!1),this.off(s.move,this._draggingID),this._draggingID=-1,this.unhold(this._moveHoldID),this._moveHoldID=-1,this.unhold(this._dropHoldID),this._dropHoldID=-1,this.unhold(this._upHoldID),this._upHoldID=-1,this.state("moved")&&(W._trigger(this._actions[s.uidrop],a,u,s.uidrop,f),this.state("moved",!1))};this.on(s.drop,o),this.on(s.up,o),this.on(s.out,o)}onDrag(t){return this.on(v.uidrag,t)}offDrag(t){return this.off(v.uidrag,t)}onDrop(t){return this.on(v.uidrop,t)}offDrop(t){return 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this._mouseAction(v.pointerup,t),this._dragged?this._mouseAction(v.drop,t):this._mouseAction(v.up,t),this._pressed=!1,this._dragged=!1,t.target instanceof Element&&t.target.releasePointerCapture(t.pointerId),!1}_mouseMove(t){return this._pressed?(this._dragged=!0,this._mouseAction(v.drag,t)):this._mouseAction(v.move,t),!1}_mouseOver(t){return this._mouseAction(v.over,t),!1}_mouseOut(t){return this._mouseAction(v.out,t),this._dragged&&this._mouseAction(v.drop,t),this._dragged=!1,!1}_mouseClick(t){return this._mouseAction(v.click,t),this._pressed=!1,this._dragged=!1,!1}_contextMenu(t){return this._mouseAction(v.contextmenu,t),!1}_touchMove(t){return this._mouseAction(v.move,t),this._pressed&&(this._dragged=!0,this._mouseAction(v.drag,t)),t.preventDefault(),!1}_touchStart(t){return this._mouseAction(v.down,t),this._pressed=!0,!1;return t.preventDefault(),!1}_keyDown(t){return this._keyboardAction(v.keydown,t),!1}_keyUp(t){return 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s=t;s=t[0]==="#"||t[0]==="."?t:"#"+t,i=document.querySelector(s),this.id=s.substr(1)}if(i?i.nodeName.toLowerCase()!="canvas"?(this._container=i,this._canvas=this._createElement("canvas",this.id+"_canvas"),this._initialResize=!0):(this._canvas=i,this._container=i.parentElement,this._autoResize=!1,n=!0):(this._container=this._createElement("div",this.id+"_container"),this._canvas=this._createElement("canvas",this.id),document.body.appendChild(this._container)),this._ctx=this._canvas.getContext("2d"),n)setTimeout(this._ready.bind(this,e),100);else{let s=new MutationObserver(o=>{o.forEach(a=>{if(a.type==="childList"&&a.addedNodes.length){for(let u of a.addedNodes)if(u===this._canvas){this._ready(e),s.disconnect();return}}})});s.observe(this._container,{childList:!0}),this._container.appendChild(this._canvas)}}_createElement(t="div",e){let i=document.createElement(t);return i.setAttribute("id",e),i}_ready(t){if(!this._container)throw new Error(`Cannot initiate #${this.id} 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n=0;n<t;n++){let s=[r.x+L.random()*r.width];e>1&&s.push(r.y+L.random()*r.height),e>2&&s.push(r.z+L.random()*r.depth),i.push(new h(s))}return i}static distributeLinear(r,t){let e=m.iterToArray(r),i=E.subpoints(e,t-2);return i.unshift(e[0]),i.push(e[e.length-1]),i}static gridPts(r,t,e,i=[.5,.5]){if(t===0||e===0)throw new Error("grid columns and rows cannot be 0");let n=r.size.$subtract(1).$divide(t,e),s=n.$multiply(i),o=new d;for(let a=0;a<e;a++)for(let u=0;u<t;u++)o.push(r.topLeft.$add(n.$multiply(u,a)).add(s));return o}static gridCells(r,t,e){if(t===0||e===0)throw new Error("grid columns and rows cannot be 0");let i=r.size.$subtract(1).divide(t,e),n=[];for(let s=0;s<e;s++)for(let o=0;o<t;o++)n.push(new d(r.topLeft.$add(i.$multiply(o,s)),r.topLeft.$add(i.$multiply(o,s).add(i))));return n}static radialPts(r,t,e,i=-w.half_pi){let n=new d,s=w.two_pi/e;for(let o=0;o<e;o++)n.push(new h(r).toAngle(s*o+i,t,!0));return n}static noisePts(r,t=.01,e=.01,i=0,n=0){let s=L.random(),o=new 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mt.from(r)}},ut=[[1,1,0],[-1,1,0],[1,-1,0],[-1,-1,0],[1,0,1],[-1,0,1],[1,0,-1],[-1,0,-1],[0,1,1],[0,-1,1],[0,1,-1],[0,-1,-1]],ht=[151,160,137,91,90,15,131,13,201,95,96,53,194,233,7,225,140,36,103,30,69,142,8,99,37,240,21,10,23,190,6,148,247,120,234,75,0,26,197,62,94,252,219,203,117,35,11,32,57,177,33,88,237,149,56,87,174,20,125,136,171,168,68,175,74,165,71,134,139,48,27,166,77,146,158,231,83,111,229,122,60,211,133,230,220,105,92,41,55,46,245,40,244,102,143,54,65,25,63,161,1,216,80,73,209,76,132,187,208,89,18,169,200,196,135,130,116,188,159,86,164,100,109,198,173,186,3,64,52,217,226,250,124,123,5,202,38,147,118,126,255,82,85,212,207,206,59,227,47,16,58,17,182,189,28,42,223,183,170,213,119,248,152,2,44,154,163,70,221,153,101,155,167,43,172,9,129,22,39,253,9,98,108,110,79,113,224,232,178,185,112,104,218,246,97,228,251,34,242,193,238,210,144,12,191,179,162,241,81,51,145,235,249,14,239,107,49,192,214,31,181,199,106,157,184,84,204,176,115,121,50,45,127,4,150,254,138,236,205,93,222,114,67,29,24,72,243,141,128,195,78,66,215,61,156,180],ct=class extends h{constructor(...t){super(...t);this.perm=[];this._n=new h(.01,.01);this.perm=ht.concat(ht)}initNoise(...t){return this._n=new h(...t),this}step(t=0,e=0){return this._n.add(t,e),this}seed(t){t>0&&t<1&&(t*=65536),t=Math.floor(t),t<256&&(t|=t<<8);for(let e=0;e<255;e++){let i=e&1?ht[e]^t&255:ht[e]^t>>8&255;this.perm[e]=this.perm[e+256]=i}return this}noise2D(){let t=Math.max(0,Math.floor(this._n[0]))%255,e=Math.max(0,Math.floor(this._n[1]))%255,i=this._n[0]%255-t,n=this._n[1]%255-e,s=k.dot(ut[(t+this.perm[e])%12],[i,n,0]),o=k.dot(ut[(t+this.perm[e+1])%12],[i,n-1,0]),a=k.dot(ut[(t+1+this.perm[e])%12],[i-1,n,0]),u=k.dot(ut[(t+1+this.perm[e+1])%12],[i-1,n-1,0]),c=p=>p*p*p*(p*(p*6-15)+10),f=c(i);return L.lerp(L.lerp(s,a,f),L.lerp(o,u,f),c(n))}},mt=class l extends d{constructor(){super(...arguments);this._mesh=[]}delaunay(t=!0){if(this.length<3)return[];this._mesh=[];let e=this.length,i=[];for(let c=0;c<e;c++)i[c]=c;i.sort((c,f)=>this[f][0]-this[c][0]);let n=this.slice(),s=this._superTriangle();n=n.concat(s);let o=[this._circum(e,e+1,e+2,s)],a=[],u=[];for(let c=0,f=i.length;c<f;c++){let p=i[c],b=[],P=o.length;for(this._mesh[p]||(this._mesh[p]={});P--;){let _=o[P],D=_.circle[1][0],A=n[p].$subtract(_.circle[0]);if(A[0]>0&&A[0]*A[0]>D*D){a.push(_),u.push(_.triangle),o.splice(P,1);continue}A[0]*A[0]+A[1]*A[1]-D*D>w.epsilon||(b.push(_.i,_.j,_.j,_.k,_.k,_.i),o.splice(P,1))}for(l._dedupe(b),P=b.length;P>1;)o.push(this._circum(b[--P],b[--P],p,!1,n))}for(let c=0,f=o.length;c<f;c++){let p=o[c];p.i<e&&p.j<e&&p.k<e&&(a.push(p),u.push(p.triangle),this._cache(p))}return t?u:a}voronoi(){let t=[],e=this._mesh;for(let i=0,n=e.length;i<n;i++)t.push(this.neighborPts(i,!0));return t}mesh(){return this._mesh}neighborPts(t,e=!1){let i=new d,n=this._mesh;for(let s in n[t])n[t].hasOwnProperty(s)&&i.push(n[t][s].circle[0]);return e?y.sortEdges(i):i}neighbors(t){let e=[],i=this._mesh;for(let n in i[t])i[t].hasOwnProperty(n)&&e.push(i[t][n]);return e}_cache(t){this._mesh[t.i][`${Math.min(t.j,t.k)}-${Math.max(t.j,t.k)}`]=t,this._mesh[t.j][`${Math.min(t.i,t.k)}-${Math.max(t.i,t.k)}`]=t,this._mesh[t.k][`${Math.min(t.i,t.j)}-${Math.max(t.i,t.j)}`]=t}_superTriangle(){let t=this[0],e=this[0];for(let o=1,a=this.length;o<a;o++)t=t.$min(this[o]),e=e.$max(this[o]);let i=e.$subtract(t),n=t.$add(e).divide(2),s=Math.max(i[0],i[1]);return new d(n.$subtract(20*s,s),n.$add(0,20*s),n.$add(20*s,-s))}_triangle(t,e,i,n=this){return new d(n[t],n[e],n[i])}_circum(t,e,i,n,s=this){let o=n||this._triangle(t,e,i,s);return{i:t,j:e,k:i,triangle:o,circle:j.circumcircle(o)}}static _dedupe(t){let e=t.length;for(;e>1;){let i=t[--e],n=t[--e],s=e;for(;s>1;){let o=t[--s],a=t[--s];if(n==a&&i==o||n==o&&i==a){t.splice(e,2),t.splice(s,2);break}}}return t}};var Gt={};$(Gt,{Color:()=>$t});var g=class g extends h{constructor(...t){super(...t);this._mode="rgb";this._isNorm=!1}static from(...t){let e=[1,1,1,1],i=m.getArgs(t);for(let n=0,s=e.length;n<s;n++)n<i.length&&(e[n]=i[n]);return new g(e)}static fromHex(t){if(t[0]=="#"&&(t=t.substr(1)),t.length<=3){let n=s=>t[s]||"F";t=`${n(0)}${n(0)}${n(1)}${n(1)}${n(2)}${n(2)}`}let e=1;t.length===8&&(e=t.substr(6)&&255/255,t=t.substring(0,6));let i=parseInt(t,16);return new g(i>>16,i>>8&255,i&255,e)}static rgb(...t){return g.from(...t).toMode("rgb")}static hsl(...t){return g.from(...t).toMode("hsl")}static hsb(...t){return g.from(...t).toMode("hsb")}static lab(...t){return g.from(...t).toMode("lab")}static lch(...t){return g.from(...t).toMode("lch")}static luv(...t){return g.from(...t).toMode("luv")}static xyz(...t){return g.from(...t).toMode("xyz")}static maxValues(t){return g.ranges[t].zipSlice(1).$take([0,1,2])}get hex(){return this.toString("hex")}get rgb(){return this.toString("rgb")}get rgba(){return this.toString("rgba")}clone(){let t=new g(this);return t.toMode(this._mode),t}toMode(t,e=!1){if(e){let i=this._mode.toUpperCase()+"to"+t.toUpperCase();if(g[i])this.to(g[i](this,this._isNorm,this._isNorm));else throw new Error("Cannot convert color with "+i)}return this._mode=t,this}get mode(){return this._mode}get r(){return this[0]}set r(t){this[0]=t}get g(){return this[1]}set g(t){this[1]=t}get b(){return this[2]}set b(t){this[2]=t}get h(){return this._mode=="lch"?this[2]:this[0]}set h(t){let e=this._mode=="lch"?2:0;this[e]=t}get s(){return this[1]}set s(t){this[1]=t}get l(){return this._mode=="hsl"?this[2]:this[0]}set l(t){let e=this._mode=="hsl"?2:0;this[e]=t}get a(){return this[1]}set a(t){this[1]=t}get c(){return this[1]}set c(t){this[1]=t}get u(){return this[1]}set u(t){this[1]=t}get v(){return this[2]}set v(t){this[2]=t}set alpha(t){this.length>3&&(this[3]=t)}get alpha(){return this.length>3?this[3]:1}get normalized(){return this._isNorm}set normalized(t){this._isNorm=t}normalize(t=!0){if(this._isNorm==t)return this;let e=g.ranges[this._mode];for(let i=0;i<3;i++)this[i]=t?L.mapToRange(this[i],e[i][0],e[i][1],0,1):L.mapToRange(this[i],0,1,e[i][0],e[i][1]);return this._isNorm=t,this}$normalize(t=!0){return this.clone().normalize(t)}toString(t="mode"){if(t=="hex"){let e=i=>{let n=Math.floor(i).toString(16);return n.length<2?"0"+n:n};return`#${e(this[0])}${e(this[1])}${e(this[2])}`}else return t=="rgba"?`rgba(${Math.floor(this[0])},${Math.floor(this[1])},${Math.floor(this[2])},${this.alpha})`:t=="rgb"?`rgb(${Math.floor(this[0])},${Math.floor(this[1])},${Math.floor(this[2])})`:`${this._mode}(${this[0]},${this[1]},${this[2]},${this.alpha})`}static RGBtoHSL(t,e=!1,i=!1){let[n,s,o]=e?t:t.$normalize(),a=Math.max(n,s,o),u=Math.min(n,s,o),c=(a+u)/2,f=c,p=c;if(a==u)c=0,f=0;else{let b=a-u;f=p>.5?b/(2-a-u):b/(a+u),c=0,a===n?c=(s-o)/b+(s<o?6:0):a===s?c=(o-n)/b+2:a===o&&(c=(n-s)/b+4)}return g.hsl(i?c/60:c*60,f,p,t.alpha)}static HSLtoRGB(t,e=!1,i=!1){let[n,s,o]=t;if(e||(n=n/360),s==0)return g.rgb(o*255,o*255,o*255,t.alpha);let a=o<=.5?o*(1+s):o+s-o*s,u=2*o-a,c=p=>(p=p<0?p+1:p>1?p-1:p,p*6<1?u+(a-u)*p*6:p*2<1?a:p*3<2?u+(a-u)*(2/3-p)*6:u),f=i?1:255;return g.rgb(f*c(n+1/3),f*c(n),f*c(n-1/3),t.alpha)}static RGBtoHSB(t,e=!1,i=!1){let[n,s,o]=e?t:t.$normalize(),a=Math.max(n,s,o),u=Math.min(n,s,o),c=a-u,f=0,p=a===0?0:c/a,b=a;return a!=u&&(a===n?f=(s-o)/c+(s<o?6:0):a===s?f=(o-n)/c+2:a===o&&(f=(n-s)/c+4)),g.hsb(i?f/60:f*60,p,b,t.alpha)}static HSBtoRGB(t,e=!1,i=!1){let[n,s,o]=t;e||(n=n/360);let a=Math.floor(n*6),u=n*6-a,c=o*(1-s),f=o*(1-u*s),p=o*(1-(1-u)*s),P=[[o,p,c],[f,o,c],[c,o,p],[c,f,o],[p,c,o],[o,c,f]][a%6],_=i?1:255;return g.rgb(_*P[0],_*P[1],_*P[2],t.alpha)}static RGBtoLAB(t,e=!1,i=!1){let n=e?t.$normalize(!1):t;return g.XYZtoLAB(g.RGBtoXYZ(n),!1,i)}static LABtoRGB(t,e=!1,i=!1){let n=e?t.$normalize(!1):t;return g.XYZtoRGB(g.LABtoXYZ(n),!1,i)}static RGBtoLCH(t,e=!1,i=!1){let n=e?t.$normalize(!1):t;return g.LABtoLCH(g.RGBtoLAB(n),!1,i)}static LCHtoRGB(t,e=!1,i=!1){let n=e?t.$normalize(!1):t;return g.LABtoRGB(g.LCHtoLAB(n),!1,i)}static RGBtoLUV(t,e=!1,i=!1){let n=e?t.$normalize(!1):t;return g.XYZtoLUV(g.RGBtoXYZ(n),!1,i)}static LUVtoRGB(t,e=!1,i=!1){let n=e?t.$normalize(!1):t;return g.XYZtoRGB(g.LUVtoXYZ(n),!1,i)}static RGBtoXYZ(t,e=!1,i=!1){let n=e?t.clone():t.$normalize();for(let o=0;o<3;o++)n[o]=n[o]>.04045?Math.pow((n[o]+.055)/1.055,2.4):n[o]/12.92,i||(n[o]=n[o]*100);let s=g.xyz(n[0]*.4124564+n[1]*.3575761+n[2]*.1804375,n[0]*.2126729+n[1]*.7151522+n[2]*.072175,n[0]*.0193339+n[1]*.119192+n[2]*.9503041,t.alpha);return i?s.normalize():s}static XYZtoRGB(t,e=!1,i=!1){let[n,s,o]=e?t:t.$normalize(),a=[n*3.2406254773200533+s*-1.5372079722103187+o*-.4986285986982479,n*-.9689307147293197+s*1.8757560608852415+o*.041517523842953964,n*.055710120445510616+s*-.2040210505984867+o*1.0569959422543882];for(let c=0;c<3;c++)a[c]=a[c]>.0031308?1.055*Math.pow(a[c],1/2.4)-.055:12.92*a[c],a[c]=Math.max(0,Math.min(1,a[c])),i||(a[c]=Math.round(a[c]*255));let u=g.rgb(a[0],a[1],a[2],t.alpha);return i?u.normalize():u}static XYZtoLAB(t,e=!1,i=!1){let n=e?t.$normalize(!1):t.clone(),s=.00885645167,o=903.296296296;n.divide(g.D65);let a=f=>f>s?Math.pow(f,1/3):(o*f+16)/116,u=a(n[1]),c=g.lab(116*u-16,500*(a(n[0])-u),200*(u-a(n[2])),t.alpha);return i?c.normalize():c}static LABtoXYZ(t,e=!1,i=!1){let n=e?t.$normalize(!1):t,s=(n[0]+16)/116,o=n[1]/500+s,a=s-n[2]/200,u=.00885645167,c=903.296296296,f=g.D65,p=Math.pow(o,3),b=Math.pow(a,3),P=g.xyz(f[0]*(p>u?p:(116*o-16)/c),f[1]*(n[0]>c*u?Math.pow((n[0]+16)/116,3):n[0]/c),f[2]*(b>u?b:(116*a-16)/c),t.alpha);return i?P.normalize():P}static XYZtoLUV(t,e=!1,i=!1){let[n,s,o]=e?t.$normalize(!1):t,a=4*n/(n+15*s+3*o),u=9*s/(n+15*s+3*o);s=s/100,s=s>.008856?Math.pow(s,1/3):7.787*s+16/116;let c=4*g.D65[0]/(g.D65[0]+15*g.D65[1]+3*g.D65[2]),f=9*g.D65[1]/(g.D65[0]+15*g.D65[1]+3*g.D65[2]),p=116*s-16;return g.luv(p,13*p*(a-c),13*p*(u-f),t.alpha)}static LUVtoXYZ(t,e=!1,i=!1){let[n,s,o]=e?t.$normalize(!1):t,a=(n+16)/116,u=a*a*a;a=u>.008856?u:(a-16/116)/7.787;let c=4*g.D65[0]/(g.D65[0]+15*g.D65[1]+3*g.D65[2]),f=9*g.D65[1]/(g.D65[0]+15*g.D65[1]+3*g.D65[2]);s=s/(13*n)+c,o=o/(13*n)+f,a=a*100;let p=-1*(9*a*s)/((s-4)*o-s*o),b=(9*a-15*o*a-o*p)/(3*o);return g.xyz(p,a,b,t.alpha)}static LABtoLCH(t,e=!1,i=!1){let n=e?t.$normalize(!1):t,s=y.toDegree(y.boundRadian(Math.atan2(n[2],n[1])));return g.lch(n[0],Math.sqrt(n[1]*n[1]+n[2]*n[2]),s,t.alpha)}static LCHtoLAB(t,e=!1,i=!1){let n=e?t.$normalize(!1):t,s=y.toRadian(n[2]);return g.lab(n[0],Math.cos(s)*n[1],Math.sin(s)*n[1],t.alpha)}};g.D65=new h(95.047,100,108.883,1),g.ranges={rgb:new d(new h(0,255),new h(0,255),new h(0,255)),hsl:new d(new h(0,360),new h(0,1),new h(0,1)),hsb:new d(new h(0,360),new h(0,1),new h(0,1)),lab:new d(new h(0,100),new h(-128,127),new h(-128,127)),lch:new d(new h(0,100),new h(0,100),new h(0,360)),luv:new d(new h(0,100),new h(-134,220),new h(-140,122)),xyz:new d(new h(0,100),new h(0,100),new h(0,100))};var $t=g;var Et={};$(Et,{DOMSpace:()=>z,HTMLForm:()=>rt,HTMLSpace:()=>R});var z=class l extends Y{constructor(t,e){super();this.id="domspace";this._autoResize=!0;this._bgcolor="#e1e9f0";this._css={};let i=null,n=!1;this.id="pts",t instanceof Element?(i=t,this.id="pts_existing_space"):(i=document.querySelector(t),n=!0,this.id=t.substr(1)),i?(this._canvas=i,this._container=i.parentElement):(this._container=l.createElement("div","pts_container"),this._canvas=l.createElement("div","pts_element"),this._container.appendChild(this._canvas),document.body.appendChild(this._container),n=!1),setTimeout(this._ready.bind(this,e),50)}static createElement(t="div",e,i){let n=document.createElement(t);return e&&n.setAttribute("id",e),i&&i.appendChild&&i.appendChild(n),n}_ready(t){if(!this._container)throw new Error(`Cannot initiate #${this.id} element`);this._isReady=!0,this._resizeHandler(null),this.clear(this._bgcolor),this._canvas.dispatchEvent(new Event("ready"));for(let e in this.players)this.players.hasOwnProperty(e)&&this.players[e].start&&this.players[e].start(this.bound.clone(),this);this._pointer=this.center,this.refresh(!1),t&&t(this.bound,this._canvas)}setup(t){return t.bgcolor&&(this._bgcolor=t.bgcolor),this.autoResize=t.resize!=null?t.resize:!1,this}getForm(){return null}set autoResize(t){this._autoResize=t,t?window.addEventListener("resize",this._resizeHandler.bind(this)):(delete this._css.width,delete this._css.height,window.removeEventListener("resize",this._resizeHandler.bind(this)))}get autoResize(){return this._autoResize}resize(t,e){this.bound=t,this.styles({width:`${t.width}px`,height:`${t.height}px`},!0);for(let i in this.players)if(this.players.hasOwnProperty(i)){let n=this.players[i];n.resize&&n.resize(this.bound,e)}return this}_resizeHandler(t){let e=G.fromBoundingRect(this._container.getBoundingClientRect());this._autoResize?this.styles({width:"100%",height:"100%"},!0):this.styles({width:`${e.width}px`,height:`${e.height}px`},!0),this.resize(e,t)}get element(){return this._canvas}get parent(){return this._container}get ready(){return this._isReady}clear(t){return t&&(this.background=t),this._canvas.innerHTML="",this}set background(t){this._bgcolor=t,this._container.style.backgroundColor=this._bgcolor}get background(){return this._bgcolor}style(t,e,i=!1){return this._css[t]=e,i&&(this._canvas.style[t]=e),this}styles(t,e=!1){for(let i in t)t.hasOwnProperty(i)&&this.style(i,t[i],e);return this}static setAttr(t,e){for(let i in e)e.hasOwnProperty(i)&&t.setAttribute(i,e[i]);return t}static getInlineStyles(t){let e="";for(let i in t)t.hasOwnProperty(i)&&t[i]&&(e+=`${i}: ${t[i]}; `);return e}dispose(){return window.removeEventListener("resize",this._resizeHandler.bind(this)),this.stop(),this.removeAll(),this}},R=class extends z{getForm(){return new rt(this)}static htmlElement(r,t,e,i=!0){if(!r||!r.appendChild)throw new Error("parent is not a valid DOM element");let n=document.querySelector(`#${e}`);return n||(n=document.createElement(t),n.setAttribute("id",e),i&&n.setAttribute("class",e.substring(0,e.indexOf("-"))),r.appendChild(n)),n}remove(r){return this._container.querySelectorAll("."+rt.scopeID(r)).forEach(e=>{e.parentNode.removeChild(e)}),super.remove(r)}removeAll(){return this._container.innerHTML="",super.removeAll()}},I=class I extends H{constructor(t){super();this._style={filled:!0,stroked:!0,background:"#f03","border-color":"#fff",color:"#000","border-width":"1px","border-radius":"0","border-style":"solid",opacity:1,position:"absolute",top:0,left:0,width:0,height:0};this._ctx={group:null,groupID:"pts",groupCount:0,currentID:"pts0",currentClass:"",style:{}};this._ready=!1;this._space=t,this._space.add({start:()=>{this._ctx.group=this._space.element,this._ctx.groupID="pts_dom_"+I.groupID++,this._ctx.style=Object.assign({},this._style),this._ready=!0}})}get space(){return this._space}styleTo(t,e,i=""){if(this._ctx.style[t]===void 0)throw new Error(`${t} style property doesn't exist`);this._ctx.style[t]=`${e}${i}`}alpha(t){return this.styleTo("opacity",t),this}fill(t){return typeof t=="boolean"?(this.styleTo("filled",t),t||this.styleTo("background","transparent")):(this.styleTo("filled",!0),this.styleTo("background",t)),this}stroke(t,e,i,n){return typeof t=="boolean"?(this.styleTo("stroked",t),t||this.styleTo("border-width",0)):(this.styleTo("stroked",!0),this.styleTo("border-color",t),this.styleTo("border-width",(e||1)+"px")),this}fillText(t){return this.styleTo("color",t),this}cls(t){return typeof t=="boolean"?this._ctx.currentClass="":this._ctx.currentClass=t,this}font(t,e,i,n,s){return typeof t=="number"?(this._font.size=t,s&&(this._font.face=s),e&&(this._font.weight=e),i&&(this._font.style=i),n&&(this._font.lineHeight=n)):this._font=t,this._ctx.style.font=this._font.value,this}reset(){return this._ctx.style=Object.assign({},this._style),this._font=new O(10,"sans-serif"),this._ctx.style.font=this._font.value,this}updateScope(t,e){return this._ctx.group=e,this._ctx.groupID=t,this._ctx.groupCount=0,this.nextID(),this._ctx}scope(t){if(!t||t.animateID==null)throw new Error("item not defined or not yet added to Space");return this.updateScope(I.scopeID(t),this.space.element)}nextID(){return this._ctx.groupCount++,this._ctx.currentID=`${this._ctx.groupID}-${this._ctx.groupCount}`,this._ctx.currentID}static getID(t){return t.currentID||`p-${I.domID++}`}static scopeID(t){return`item-${t.animateID}`}static style(t,e){let i=[];e.filled||i.push("background: none"),e.stroked||i.push("border: none");for(let n in e)if(e.hasOwnProperty(n)&&n!="filled"&&n!="stroked"){let s=e[n];if(s){if(!e.filled&&n.indexOf("background")===0)continue;if(!e.stroked&&n.indexOf("border-width")===0)continue;i.push(`${n}: ${s}`)}}return R.setAttr(t,{style:i.join(";")})}static rectStyle(t,e,i){return t.style.left=e[0]+"px",t.style.top=e[1]+"px",t.style.width=i[0]+"px",t.style.height=i[1]+"px",t}static textStyle(t,e){return t.style.left=e[0]+"px",t.style.top=e[1]+"px",t}static point(t,e,i=5,n="square"){return n==="circle"?I.circle(t,e,i):I.square(t,e,i)}point(t,e=5,i="square"){return this.nextID(),i=="circle"&&this.styleTo("border-radius","100%"),I.point(this._ctx,t,e,i),this}static circle(t,e,i=10){let n=R.htmlElement(t.group,"div",I.getID(t));return R.setAttr(n,{class:`pts-form pts-circle ${t.currentClass}`}),I.rectStyle(t,new h(e).$subtract(i),new h(i*2,i*2)),I.style(n,t.style),n}circle(t){return this.nextID(),this.styleTo("border-radius","100%"),I.circle(this._ctx,t[0],t[1][0]),this}static square(t,e,i){let n=R.htmlElement(t.group,"div",I.getID(t));return R.setAttr(n,{class:`pts-form pts-square ${t.currentClass}`}),I.rectStyle(t,new h(e).$subtract(i),new h(i*2,i*2)),I.style(n,t.style),n}square(t,e){return this.nextID(),I.square(this._ctx,t,e),this}static rect(t,e){let i=m.iterToArray(e);if(!m.arrayCheck(i))return;let n=R.htmlElement(t.group,"div",I.getID(t));return R.setAttr(n,{class:`pts-form pts-rect ${t.currentClass}`}),I.rectStyle(t,i[0],i[1]),I.style(n,t.style),n}rect(t){return this.nextID(),this.styleTo("border-radius","0"),I.rect(this._ctx,t),this}static text(t,e,i){let n=R.htmlElement(t.group,"div",I.getID(t));return R.setAttr(n,{class:`pts-form pts-text 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${this.bound.height}`,width:`${this.bound.width}`,height:`${this.bound.height}`,xmlns:"http://www.w3.org/2000/svg",version:"1.1"}),this}static svgElement(t,e,i){if(!t||!t.appendChild)throw new Error("parent is not a valid DOM element");let n=document.querySelector(`#${i}`);return n||(n=document.createElementNS("http://www.w3.org/2000/svg",e),n.setAttribute("id",i),t.appendChild(n)),n}remove(t){return this._container.querySelectorAll("."+it.scopeID(t)).forEach(i=>{i.parentNode.removeChild(i)}),super.remove(t)}removeAll(){return this._container.innerHTML="",super.removeAll()}},x=class x extends H{constructor(t){super();this._style={filled:!0,stroked:!0,fill:"#f03",stroke:"#fff","stroke-width":1,"stroke-linejoin":"bevel","stroke-linecap":"sqaure",opacity:1};this._ctx={group:null,groupID:"pts",groupCount:0,currentID:"pts0",currentClass:"",style:{}};this._ready=!1;this._space=t,this._space.add({start:()=>{this._ctx.group=this._space.element,this._ctx.groupID="pts_svg_"+x.groupID++,this._ctx.style=Object.assign({},this._style),this._ready=!0}})}get space(){return this._space}styleTo(t,e){if(this._ctx.style[t]===void 0)throw new Error(`${t} style property doesn't exist`);this._ctx.style[t]=e}alpha(t){return this.styleTo("opacity",t),this}fill(t){return typeof t=="boolean"?this.styleTo("filled",t):(this.styleTo("filled",!0),this.styleTo("fill",t)),this}stroke(t,e,i,n){return typeof t=="boolean"?this.styleTo("stroked",t):(this.styleTo("stroked",!0),this.styleTo("stroke",t),e&&this.styleTo("stroke-width",e),i&&this.styleTo("stroke-linejoin",i),n&&this.styleTo("stroke-linecap",n)),this}cls(t){return typeof t=="boolean"?this._ctx.currentClass="":this._ctx.currentClass=t,this}font(t,e,i,n,s){return typeof t=="number"?(this._font.size=t,s&&(this._font.face=s),e&&(this._font.weight=e),i&&(this._font.style=i),n&&(this._font.lineHeight=n)):this._font=t,this._ctx.style.font=this._font.value,this}reset(){return this._ctx.style=Object.assign({},this._style),this._font=new O(10,"sans-serif"),this._ctx.style.font=this._font.value,this}updateScope(t,e){return this._ctx.group=e,this._ctx.groupID=t,this._ctx.groupCount=0,this.nextID(),this._ctx}scope(t){if(!t||t.animateID==null)throw new Error("item not defined or not yet added to Space");return this.updateScope(x.scopeID(t),this.space.element)}nextID(){return this._ctx.groupCount++,this._ctx.currentID=`${this._ctx.groupID}-${this._ctx.groupCount}`,this._ctx.currentID}static getID(t){return t.currentID||`p-${x.domID++}`}static scopeID(t){return`item-${t.animateID}`}static style(t,e){let i=[];e.filled||i.push("fill: none"),e.stroked||i.push("stroke: none");for(let n in e)if(e.hasOwnProperty(n)&&n!="filled"&&n!="stroked"){let s=e[n];if(s){if(!e.filled&&n.indexOf("fill")===0)continue;if(!e.stroked&&n.indexOf("stroke")===0)continue;i.push(`${n}: ${s}`)}}return z.setAttr(t,{style:i.join(";")})}static point(t,e,i=5,n="square"){return n==="circle"?x.circle(t,e,i):x.square(t,e,i)}point(t,e=5,i="square"){return this.nextID(),x.point(this._ctx,t,e,i),this}static circle(t,e,i=10){let n=F.svgElement(t.group,"circle",x.getID(t));return z.setAttr(n,{cx:e[0],cy:e[1],r:i,class:`pts-svgform pts-circle ${t.currentClass}`}),x.style(n,t.style),n}circle(t){this.nextID();let e=m.iterToArray(t);return x.circle(this._ctx,e[0],e[1][0]),this}static arc(t,e,i,n,s,o){let a=F.svgElement(t.group,"path",x.getID(t)),u=new h(e).toAngle(n,i,!0),c=new h(e).toAngle(s,i,!0),p=y.boundAngle(s)-y.boundAngle(n)>w.pi;o&&(p=!p);let b=o?"0":"1",P=`M ${u[0]} ${u[1]} A ${i} ${i} 0 ${p?"1":"0"} ${b} ${c[0]} ${c[1]}`;return z.setAttr(a,{d:P,class:`pts-svgform pts-arc ${t.currentClass}`}),x.style(a,t.style),a}arc(t,e,i,n,s){return this.nextID(),x.arc(this._ctx,t,e,i,n,s),this}static square(t,e,i){let n=F.svgElement(t.group,"rect",x.getID(t));return z.setAttr(n,{x:e[0]-i,y:e[1]-i,width:i*2,height:i*2,class:`pts-svgform pts-square ${t.currentClass}`}),x.style(n,t.style),n}square(t,e){return this.nextID(),x.square(this._ctx,t,e),this}static line(t,e){let i=x.pointsString(e);if(i.count<2)return;if(i.count>2)return x._poly(t,i.string,!1);let n=F.svgElement(t.group,"line",x.getID(t)),s=m.iterToArray(e);return z.setAttr(n,{x1:s[0][0],y1:s[0][1],x2:s[1][0],y2:s[1][1],class:`pts-svgform pts-line ${t.currentClass}`}),x.style(n,t.style),n}line(t){return this.nextID(),x.line(this._ctx,t),this}static _poly(t,e,i=!0){let n=F.svgElement(t.group,i?"polygon":"polyline",x.getID(t));return z.setAttr(n,{points:e,class:`pts-svgform pts-polygon ${t.currentClass}`}),x.style(n,t.style),n}static pointsString(t){let e="",i=0;for(let n of t)e+=`${n[0]},${n[1]} `,i++;return{string:e,count:i}}static polygon(t,e){let i=x.pointsString(e);return x._poly(t,i.string,!0)}polygon(t){return this.nextID(),x.polygon(this._ctx,t),this}static rect(t,e){if(!m.arrayCheck(e))return;let i=F.svgElement(t.group,"rect",x.getID(t)),n=d.fromArray(e).boundingBox(),s=M.size(n);return z.setAttr(i,{x:n[0][0],y:n[0][1],width:s[0],height:s[1],class:`pts-svgform pts-rect ${t.currentClass}`}),x.style(i,t.style),i}rect(t){return this.nextID(),x.rect(this._ctx,t),this}static text(t,e,i){let n=F.svgElement(t.group,"text",x.getID(t));return z.setAttr(n,{"pointer-events":"none",x:e[0],y:e[1],dx:0,dy:0,class:`pts-svgform pts-text ${t.currentClass}`}),n.textContent=i,x.style(n,t.style),n}text(t,e){return this.nextID(),x.text(this._ctx,t,e),this}log(t){return this.fill("#000").stroke("#fff",.5).text([10,14],t),this}};x.groupID=0,x.domID=0;var it=x;var zt={};$(zt,{Body:()=>ft,Particle:()=>pt,World:()=>dt});var dt=class l{constructor(r,t=1,e=0){this._lastTime=null;this._gravity=new h;this._friction=1;this._damping=.75;this._iterations=1;this._particles=[];this._bodies=[];this._pnames=[];this._bnames=[];return this._bound=G.fromGroup(r),this._friction=t,this._gravity=typeof e=="number"?new h(0,e):new h(e),this}get bound(){return this._bound}set bound(r){this._bound=r}get gravity(){return this._gravity}set gravity(r){this._gravity=r}get friction(){return this._friction}set friction(r){this._friction=r}get damping(){return this._damping}set damping(r){this._damping=r}get iterations(){return this._iterations}set iterations(r){this._iterations=r}get bodyCount(){return this._bodies.length}get particleCount(){return 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You can use particleIndex() or bodyIndex() function to check existence by name.`)}else e=t;return e}removeBody(r,t=1){let e=this._index(this.bodyIndex.bind(this),r),i=e<0?[e*-1-1,t]:[e,t];return this._bodies.splice(i[0],i[1]),this._bnames.splice(i[0],i[1]),this}removeParticle(r,t=1){let e=this._index(this.particleIndex.bind(this),r),i=e<0?[e*-1-1,t]:[e,t];return this._particles.splice(i[0],i[1]),this._pnames.splice(i[0],i[1]),this}static edgeConstraint(r,t,e,i=1,n=!1){let s=1/(r.mass||1),o=1/(t.mass||1),a=s+o,u=t.$subtract(r),c=e*e,f=n?e/u.magnitude()-1:c/(u.dot(u)+c)-.5,p=u.$multiply(f*i);return r.subtract(p.$multiply(s/a)),t.add(p.$multiply(o/a)),r}static boundConstraint(r,t,e=.75){let i=y.boundingBox(t),n=r.$min(i[1].subtract(r.radius)).$max(i[0].add(r.radius));if(n[0]===i[0][0]||n[0]===i[1][0]){let s=r.changed.$multiply(e);r.previous=n.$subtract(new h(-s[0],s[1]))}else if(n[1]===i[0][1]||n[1]===i[1][1]){let s=r.changed.$multiply(e);r.previous=n.$subtract(new h(s[0],-s[1]))}r.to(n)}integrate(r,t,e){return r.addForce(this._gravity),r.verlet(t,this._friction,e),r}_updateParticles(r){for(let t=0,e=this._particles.length;t<e;t++){let i=this._particles[t];this.integrate(i,r,this._lastTime),l.boundConstraint(i,this._bound,this._damping);for(let n=t+1;n<e;n++)if(t!==n){let s=this._particles[n];i.collide(s,this._damping)}this._drawParticles&&this._drawParticles(i,t)}this._lastTime=r}_updateBodies(r){for(let t=0,e=this._bodies.length;t<e;t++){let i=this._bodies[t];if(i){for(let n=0,s=i.length;n<s;n++){let o=i[n];l.boundConstraint(o,this._bound,this._damping),this.integrate(o,r,this._lastTime)}for(let n=t+1;n<e;n++)i.processBody(this._bodies[n]);for(let n=0,s=this._particles.length;n<s;n++)i.processParticle(this._particles[n]);for(let n=0;n<this._iterations;n++)i.processEdges();this._drawBodies&&this._drawBodies(i,t)}}}},pt=class extends h{constructor(...t){super(...t);this._mass=1;this._radius=0;this._force=new h;this._prev=new h;this._lock=!1;this._prev=this.clone()}get mass(){return this._mass}set mass(t){this._mass=t}get radius(){return this._radius}set radius(t){this._radius=t}get previous(){return this._prev}set previous(t){this._prev=t}get force(){return this._force}set force(t){this._force=t}get body(){return this._body}set body(t){this._body=t}get lock(){return this._lock}set lock(t){this._lock=t,this._lockPt=new h(this)}get changed(){return this.$subtract(this._prev)}set position(t){this.previous.to(this),this._lock&&(this._lockPt=t),this.to(t)}size(t){return this._mass=t,this._radius=t,this}addForce(...t){return this._force.add(...t),this._force}verlet(t,e,i){if(this._lock)this.to(this._lockPt);else{let n=i||t,s=this._force.multiply(t*(t+n)/2),o=this.changed.multiply(e*t/n).add(s);this._prev=this.clone(),this.add(o),this._force=new h}return this}hit(...t){return this._prev.subtract(new h(...t).$divide(Math.sqrt(this._mass))),this}collide(t,e=1){let i=this,n=i.$subtract(t),s=n.magnitudeSq(),o=i.radius+t.radius;if(s<o*o){let a=i.changed,u=t.changed,c=Math.sqrt(s),f=n.$multiply((c-o)/c/2),p=i.$subtract(f),b=t.$add(f);i.to(p),t.to(b);let P=e*n.dot(a)/s,_=e*n.dot(u)/s,D=i.mass/(i.mass+t.mass),A=t.mass/(i.mass+t.mass);a.add(new h(_*n[0]-P*n[0],_*n[1]-P*n[1]).$multiply(A)),u.add(new h(P*n[0]-_*n[0],P*n[1]-_*n[1]).$multiply(D)),i.previous=i.$subtract(a),t.previous=t.$subtract(u)}}toString(){return`Particle: ${this[0]} ${this[1]} | previous ${this._prev[0]} ${this._prev[1]} | mass ${this._mass}`}},ft=class l extends d{constructor(){super();this._cs=[];this._stiff=1;this._locks={};this._mass=1}static fromGroup(t,e=1,i=!0,n=!0){let s=new l().init(t);return i&&s.linkAll(e),n&&s.autoMass(),s}init(t,e=1){let i=new h;for(let n of t){let s=new pt(n);s.body=this,i.add(n),this.push(s)}return this._stiff=e,this}get mass(){return this._mass}set mass(t){this._mass=t;for(let e=0,i=this.length;e<i;e++)this[e].mass=this._mass}autoMass(){return this.mass=Math.sqrt(S.area(this))/10,this}link(t,e,i){if(t<0||t>=this.length)throw new Error("index1 is not in the Group's indices");if(e<0||e>=this.length)throw new Error("index1 is not in the Group's indices");let n=this[t].$subtract(this[e]).magnitude();return this._cs.push([t,e,n,i||this._stiff]),this}linkAll(t){let e=this.length/2;for(let i=0,n=this.length;i<n;i++){let s=i>=n-1?0:i+1;if(this.link(i,s,t),n>4){let o=Math.floor(e/2)+1,a=i>=n-o?i%n:i+o;this.link(i,a,t)}i<=e-1&&this.link(i,Math.min(this.length-1,i+Math.floor(e)))}}linksToLines(){let t=[];for(let e=0,i=this._cs.length;e<i;e++){let n=this._cs[e];t.push(new d(this[n[0]],this[n[1]]))}return t}processEdges(){for(let t=0,e=this._cs.length;t<e;t++){let[i,n,s,o]=this._cs[t];dt.edgeConstraint(this[i],this[n],s,o)}}processBody(t){let e=this,i=t,n=S.hasIntersectPolygon(e,i);if(n){let s=n.normal.$multiply(n.dist),o,a=n.edge;Math.abs(a[0][0]-a[1][0])>Math.abs(a[0][1]-a[1][1])?o=(n.vertex[0]-s[0]-a[0][0])/(a[1][0]-a[0][0]):o=(n.vertex[1]-s[1]-a[0][1])/(a[1][1]-a[0][1]);let u=1/(o*o+(1-o)*(1-o)),c=n.vertex.body.mass||1,f=n.edge[0].body.mass||1,p=c/(c+f),b=f/(c+f);a[0].subtract(s.$multiply(p*(1-o)*u/2)),a[1].subtract(s.$multiply(p*o*u/2)),n.vertex.add(s.$multiply(b))}}processParticle(t){let e=this,i=t,n=S.hasIntersectCircle(e,B.fromCenter(t,t.radius));if(n){let s=n.normal.$multiply(n.dist),o,a=n.edge;Math.abs(a[0][0]-a[1][0])>Math.abs(a[0][1]-a[1][1])?o=(n.vertex[0]-s[0]-a[0][0])/(a[1][0]-a[0][0]):o=(n.vertex[1]-s[1]-a[0][1])/(a[1][1]-a[0][1]);let u=1/(o*o+(1-o)*(1-o)),c=n.vertex.mass||i.mass||1,f=n.edge[0].body.mass||1,p=c/(c+f),b=f/(c+f);a[0].subtract(s.$multiply(p*(1-o)*u/2)),a[1].subtract(s.$multiply(p*o*u/2));let P=t.changed.add(s.$multiply(b));t.previous=t.$subtract(P)}}};var Ot={};$(Ot,{Sound:()=>Rt,Tempo:()=>Bt});var Bt=class l{constructor(r){this._listeners={};this._listenerInc=0;this.bpm=r}static fromBeat(r){return new l(6e4/r)}get bpm(){return this._bpm}set bpm(r){this._bpm=r,this._ms=6e4/this._bpm}get ms(){return this._ms}set ms(r){this._bpm=Math.floor(6e4/r),this._ms=6e4/this._bpm}_createID(r){let t="";return typeof r=="function"?t="_b"+this._listenerInc++:t=r.name||"_b"+this._listenerInc++,t}every(r){let t=this,e=Array.isArray(r)?r[0]:r;return{start:function(i,n=0,s){let o=s||t._createID(i);return t._listeners[o]={name:o,beats:r,period:e,index:0,offset:n,duration:-1,continuous:!1,fn:i},this},progress:function(i,n=0,s){let o=s||t._createID(i);return t._listeners[o]={name:o,beats:r,period:e,index:0,offset:n,duration:-1,continuous:!0,fn:i},this}}}track(r){for(let t in this._listeners)if(this._listeners.hasOwnProperty(t)){let e=this._listeners[t],i=e.offset?r+e.offset:r,n=e.period*this._ms,s=!1;i>e.duration+n&&(e.duration=i-i%this._ms,Array.isArray(e.beats)&&(e.index=(e.index+1)%e.beats.length,e.period=e.beats[e.index]),s=!0);let o=Math.max(0,Math.ceil(Math.floor(e.duration/this._ms)/e.period)),a=e.continuous?[o,L.clamp((i-e.duration)/n,0,1),i,s]:[o];(e.continuous||s)&&e.fn.apply(e,a)&&delete this._listeners[e.name]}}stop(r){this._listeners[r]&&delete this._listeners[r]}animate(r,t){this.track(r)}resize(r,t){}action(r,t,e,i){}},Rt=class l{constructor(r){this._playing=!1;this._type=r,this._createAudioContext()}_createAudioContext(){let r=window.AudioContext;if(!r)throw new Error("Your browser doesn't support Web Audio. (No AudioContext)");this._ctx=r?new r:void 0}static from(r,t,e="gen",i){let n=new l(e);return n._node=r,n._ctx=t,i&&(n._stream=i),n}static load(r,t="anonymous"){return new Promise((e,i)=>{let n=new l("file");n._source=typeof r=="string"?new Audio(r):r,n._source.autoplay=!1,n._source.crossOrigin=t,n._source.addEventListener("ended",function(){n._playing=!1}),n._source.addEventListener("error",function(){i("Error loading sound")}),n._source.addEventListener("canplaythrough",function(){n._node||(n._node=n._ctx.createMediaElementSource(n._source)),e(n)})})}static loadAsBuffer(r){return new Promise((t,e)=>{let i=new XMLHttpRequest;i.open("GET",r,!0),i.responseType="arraybuffer";let n=new l("file");i.onload=function(){n._ctx.decodeAudioData(i.response,function(s){n.createBuffer(s),t(n)},s=>e("Error decoding audio"))},i.send()})}createBuffer(r){return this._node=this._ctx.createBufferSource(),r!==void 0&&(this._buffer=r),this._node.buffer=this._buffer,this._node.onended=()=>{this._playing=!1},this}static generate(r,t){return new l("gen")._gen(r,t)}_gen(r,t){this._node=this._ctx.createOscillator();let e=this._node;return e.type=r,r==="custom"?e.setPeriodicWave(t):e.frequency.value=t,this}static input(r){return et(this,null,function*(){try{let t=new l("input");if(!t)return;let e=r||{audio:!0,video:!1};return t._stream=yield navigator.mediaDevices.getUserMedia(e),t._node=t._ctx.createMediaStreamSource(t._stream),t}catch(t){return console.error("Cannot get audio from input device."),Promise.resolve(null)}})}get ctx(){return this._ctx}get node(){return this._node}get outputNode(){return this._outputNode}get stream(){return this._stream}get source(){return this._source}get buffer(){return this._buffer}set buffer(r){this._buffer=r}get type(){return this._type}get playing(){return this._playing}get progress(){let r=0,t=0;return this._buffer?(r=this._buffer.duration,t=this._timestamp?this._ctx.currentTime-this._timestamp:0):(r=this._source.duration,t=this._source.currentTime),t/r}get playable(){return this._type==="input"?this._node!==void 0:!!this._buffer||this._source.readyState===4}get binSize(){return this.analyzer.size}get sampleRate(){return this._ctx.sampleRate}get frequency(){return this._type==="gen"?this._node.frequency.value:0}set frequency(r){this._type==="gen"&&(this._node.frequency.value=r)}connect(r){return this._node.connect(r),this}setOutputNode(r){return this._outputNode=r,this}removeOutputNode(){return this._outputNode=null,this}analyze(r=256,t=-100,e=-30,i=.8){let n=this._ctx.createAnalyser();return n.fftSize=r*2,n.minDecibels=t,n.maxDecibels=e,n.smoothingTimeConstant=i,this.analyzer={node:n,size:n.frequencyBinCount,data:new Uint8Array(n.frequencyBinCount)},this._node.connect(this.analyzer.node),this}_domain(r){return this.analyzer?(r?this.analyzer.node.getByteTimeDomainData(this.analyzer.data):this.analyzer.node.getByteFrequencyData(this.analyzer.data),this.analyzer.data):new Uint8Array(0)}_domainTo(r,t,e=[0,0],i=[0,0]){let n=r?this.timeDomain():this.freqDomain(),s=new d;for(let o=i[0],a=n.length-i[1];o<a;o++)s.push(new h(e[0]+t[0]*o/a,e[1]+t[1]*n[o]/255));return s}timeDomain(){return this._domain(!0)}timeDomainTo(r,t=[0,0],e=[0,0]){return this._domainTo(!0,r,t,e)}freqDomain(){return this._domain(!1)}freqDomainTo(r,t=[0,0],e=[0,0]){return this._domainTo(!1,r,t,e)}reset(){return this.stop(),this._node.disconnect(),this}start(r=0){return this._ctx?this._ctx.state==="suspended"&&this._ctx.resume():this._createAudioContext(),this._type==="file"?this._buffer?(this._node.start(r),this._timestamp=this._ctx.currentTime+r):(this._source.play(),r>0&&(this._source.currentTime=r)):this._type==="gen"&&(this._gen(this._node.type,this._node.frequency.value),this._node.start(),this.analyzer&&this._node.connect(this.analyzer.node)),(this._outputNode||this._node).connect(this._ctx.destination),this._playing=!0,this}stop(){return this._playing&&(this._outputNode||this._node).disconnect(this._ctx.destination),this._type==="file"?this._buffer?this.progress<1&&this._node.stop():this._source.pause():this._type==="gen"?this._node.stop():this._type==="input"&&this._stream.getAudioTracks().forEach(r=>r.stop()),this._playing=!1,this}toggle(){return this._playing?this.stop():this.start(),this}};globalThis.Pts=T(T(T(T(T(T(T(T(T(T(T(T(T(T(T(T(T({},Dt),Tt),It),gt),Pt),_t),xt),Lt),Gt),wt),Et),St),Ct),zt),vt),Ot),Mt);globalThis.Pts.namespace=l=>{let r=globalThis.Pts;for(let t in r)t!="namespace"&&(l[t]=r[t])};globalThis.Pts.quickStart=(l,r="#9ab")=>{if(!window)return;let t=globalThis;return globalThis.Pts.namespace(t),t.space=new tt(l).setup({bgcolor:r,resize:!0,retina:!0}),t.form=t.space.getForm(),function(e=null,i=null,n=null,s=null){t.space.add({start:i,animate:e,resize:s,action:n}),t.space.bindMouse().bindTouch().play()}};})();

/*! Pts.js is licensed under Apache License 2.0. Copyright © 2017-current William Ngan and contributors. (https://github.com/williamngan/pts) */

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