diff --git a/p5.brush.js b/p5.brush.js
index 34ced14..3e414de 100644
--- a/p5.brush.js
+++ b/p5.brush.js
@@ -748,8 +748,7 @@
          * Adds standard predefined vector fields to the list with unique behaviors.
          */
         addStandard() {
-            addField("curved", function(t) {
-                let field = FF.genField()
+            addField("curved", function(t,field) {
                 let angleRange = R.randInt(-25,-15);
                 if (R.randInt(0,100)%2 == 0) {angleRange = angleRange * -1}
                 for (let column=0;column<FF.num_columns;column++){
@@ -761,8 +760,7 @@
                 }
                 return field;
             })
-            addField("truncated", function(t) {
-                let field = FF.genField()
+            addField("truncated", function(t,field) {
                 let angleRange = R.randInt(-25,-15) + 5 * R.sin(t);
                 if (R.randInt(0,100)%2 == 0) {angleRange=angleRange*-1}
                 let truncate = R.randInt(5,10);
@@ -775,8 +773,7 @@
                 }
                 return field;
             })
-            addField("zigzag", function(t) {   
-                let field = FF.genField()
+            addField("zigzag", function(t,field) {   
                 let angleRange = R.randInt(-30,-15) + Math.abs(44 * R.sin(t));
                 if (R.randInt(0,100)%2 == 0) {angleRange=angleRange*-1}
                 let dif = angleRange;
@@ -792,8 +789,7 @@
                 }
                 return field;
             })
-            addField("waves", function(t) {
-                let field = FF.genField()
+            addField("waves", function(t,field) {
                 let sinrange = R.randInt(10,15) + 5 * R.sin(t);
                 let cosrange = R.randInt(3,6) + 3 * R.cos(t);
                 let baseAngle = R.randInt(20,35);
@@ -805,8 +801,7 @@
                 }
                 return field;
             })
-            addField("seabed", function(t) {
-                let field = FF.genField()
+            addField("seabed", function(t,field) {
                 let baseSize = R.random(0.4,0.8)
                 let baseAngle = R.randInt(18,26) ;
                 for (let column=0;column<FF.num_columns;column++){
diff --git a/p5.brush.min.js b/p5.brush.min.js
index b3bb898..4144f7e 100644
--- a/p5.brush.min.js
+++ b/p5.brush.min.js
@@ -1,2 +1,2 @@
 /*! p5.brush.js v1.0.1 2023 - by Alejandro Campos - MIT License */
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e((t=t||self).brush={})}(this,(function(t){"use strict";let e,i=!1;function s(t=!1){i=!0,e=t||window.self,c.load(),m.create(),f(e.width/250)}function n(){i||s()}p5.prototype.registerMethod("afterSetup",(()=>n()));const o={source:()=>random(),random(t=0,e=1){return 1===arguments.length?this.map(this.source(),0,1,0,t):this.map(this.source(),0,1,t,e)},randInt(t,e){return Math.floor(this.random(t,e))},weightedRand(t){let e,i,s=[];for(e in t)for(i=0;i<10*t[e];i++)s.push(e);return s[Math.floor(this.source()*s.length)]},map(t,e,i,s,n,o=!1){let r=s+(t-e)/(i-e)*(n-s);return o?s<n?this.constrain(r,s,n):this.constrain(r,n,s):r},constrain:(t,e,i)=>Math.max(Math.min(t,i),e),cos(t){return this.c[Math.floor((t%360+360)%360*4)]},sin(t){return this.s[Math.floor((t%360+360)%360*4)]},isPrecalculationDone:!1,preCalculation(){if(this.isPrecalculationDone)return;const t=1440,e=2*Math.PI/t;this.c=new Float64Array(t),this.s=new Float64Array(t);for(let i=0;i<t;i++){const t=i*e;o.c[i]=Math.cos(t),o.s[i]=Math.sin(t)}this.isPrecalculationDone=!0}};o.preCalculation();let r=[0,0];const a=function(){return r=[e._renderer.uMVMatrix.mat4[12],e._renderer.uMVMatrix.mat4[13]],r};function h(t,e,i,s,n=!1){let o=t.x,r=t.y,a=e.x,h=e.y,l=i.x,c=i.y,d=s.x,m=s.y;if(o===a&&r===h||l===d&&c===m)return!1;let p=a-o,f=h-r,u=d-l,g=m-c,v=g*p-u*f;if(0===v)return!1;let x=(u*(r-c)-g*(o-l))/v,y=(p*(r-c)-f*(o-l))/v;return!(!n&&(y<0||y>1))&&{x:o+x*p,y:r+x*f}}function l(t,e,i,s){return(Math.atan2(-(s-e),i-t)*(180/Math.PI)%360+360)%360}const c={loaded:!1,isBlending:!1,isCaching:!0,currentColor:new Float32Array(3),load(){this.mask=createGraphics(e.width,e.height),this.mask.pixelDensity(e.pixelDensity()),this.mask.clear(),this.mask.noSmooth(),this.mask.angleMode(DEGREES),t.mask=this.mask,c.loaded||(this.frag=this.frag.replace('#include "spectral.glsl"',this.glsl())),this.shader=e.createShader(this.vert,this.frag),c.loaded=!0,this.noBlend=createGraphics(e.width,e.height),this.noBlend.pixelDensity(e.pixelDensity()),this.noBlend.noSmooth(),this.noBlend.clear(),this.noBlend.angleMode(DEGREES),this.mask2=createGraphics(e.width,e.height,WEBGL),this.mask2.pixelDensity(e.pixelDensity()),this.mask2.clear(),this.mask2.angleMode(DEGREES)},getPigment(t){let e=t.levels,i=new Float32Array(3);return i[0]=e[0]/255,i[1]=e[1]/255,i[2]=e[2]/255,i},color1:new Float32Array(3),color2:new Float32Array(3),blending1:!1,blending2:!1,blend(t=!1,i=!1,s=!1,n=!1){if(this.isBlending=s?this.blending1:this.blending2,this.currentColor=s?this.color1:this.color2,!this.isBlending){if(!t)return e.push(),e.translate(-a()[0],-a()[1]),e.image(this.noBlend,-e.width/2,-e.height/2),this.noBlend.clear(),void e.pop();this.currentColor=this.getPigment(t),s?(this.blending1=!0,this.color1=this.currentColor):(this.blending2=!0,this.color2=this.currentColor)}if((t?this.getPigment(t):this.currentColor).toString()!==this.currentColor.toString()||i||!this.isCaching){e.push(),e.translate(-a()[0],-a()[1]),e.image(this.noBlend,-e.width/2,-e.height/2),this.noBlend.clear(),e.shader(this.shader),this.shader.setUniform("addColor",this.currentColor),this.shader.setUniform("source",e._renderer),this.shader.setUniform("active",n),this.shader.setUniform("random",[o.random(),o.random(),o.random()]);let r=s?this.mask2:this.mask;this.shader.setUniform("mask",r),e.fill(0,0,0,0),e.noStroke(),e.rect(-e.width/2,-e.height/2,e.width,e.height),e.pop(),r.clear(),i||(this.currentColor=this.getPigment(t),s?this.color1=this.currentColor:this.color2=this.currentColor)}i&&(this.isBlending=!1,s?this.blending1=this.isBlending:this.blending2=this.isBlending)},vert:"precision highp float;attribute vec3 aPosition;attribute vec2 aTexCoord;uniform mat4 uModelViewMatrix,uProjectionMatrix;varying vec2 vVertTexCoord;void main(){gl_Position=uProjectionMatrix*uModelViewMatrix*vec4(aPosition,1);vVertTexCoord=aTexCoord;}",frag:'precision highp float;varying vec2 vVertTexCoord;uniform sampler2D source,mask;uniform vec4 addColor;uniform vec3 random;uniform bool active;\n        #include "spectral.glsl"\n        float v(vec2 v,vec2 x,float y,out vec2 i){vec2 d=vec2(v.x+v.y*.5,v.y),m=floor(d),f=fract(d);float a=step(f.y,f.x);vec2 r=vec2(a,1.-a),l=m+r,e=m+1.,z=vec2(m.x-m.y*.5,m.y),k=vec2(z.x+r.x-r.y*.5,z.y+r.y),o=vec2(z.x+.5,z.y+1.),s=v-z,g=v-k,t=v-o;vec3 u,c,C,D;if(any(greaterThan(x,vec2(0)))){C=vec3(z.x,k.x,o);D=vec3(z.y,k.y,o.y);if(x.x>0.)C=mod(vec3(z.x,k.x,o),x.x);if(x.y>0.)D=mod(vec3(z.y,k.y,o.y),x.y);u=floor(C+.5*D+.5);c=floor(D+.5);}else u=vec3(m.x,l.x,e),c=vec3(m.y,l.y,e.y);vec3 b=mod(u,289.);b=mod((b*51.+2.)*b+c,289.);b=mod((b*34.+10.)*b,289.);vec3 h=b*.07482+y,E=cos(h),w=sin(h);vec2 A=vec2(E.x,w),B=vec2(E.y,w.y),F=vec2(E.z,w.z);vec3 G=.8-vec3(dot(s,s),dot(g,g),dot(t,t));G=max(G,0.);vec3 H=G*G,I=H*H,J=vec3(dot(A,s),dot(B,g),dot(F,t)),K=H*G,L=-8.*K*J;i=10.9*(I.x*A+L.x*s+(I.y*B+L.y*g)+(I.z*F+L.z*t));return 10.9*dot(I,J);}vec4 v(vec3 v,float f){return vec4(mix(v,vec3(dot(vec3(.299,.587,.114),v)),f),1);}float f(vec2 v,float x,float y,float d){return fract(sin(dot(v,vec2(x,y)))*d);}void main(){vec4 m=texture2D(mask,vVertTexCoord);if(m.x>0.){vec2 z=vec2(12.9898,78.233),k=vec2(7.9898,58.233),o=vec2(17.9898,3.233);float x=f(vVertTexCoord,z.x,z.y,43358.5453)*2.-1.,y=f(vVertTexCoord,k.x,k.y,43213.5453)*2.-1.,d=f(vVertTexCoord,o.x,o.y,33358.5453)*2.-1.;const vec2 s=vec2(0);vec2 t;vec3 u;if(active){float a=v(vVertTexCoord*10.,s,10.*random.x,t),c=v(vVertTexCoord*10.,s,10.*random.y,t),g=v(vVertTexCoord*10.,s,10.*random.z,t),w=.25+.25*v(vVertTexCoord*8.,s,3.*random.x,t);u=v(addColor.xyz,w).xyz+vec3(a,c,g)*.03;}else u=addColor.xyz;vec3 a=spectral_mix(texture2D(source,vVertTexCoord).xyz,u,m.w);if(m.w>.8)a=spectral_mix(a,vec3(0),(m.w-.8)*.4);gl_FragColor=vec4(a+.01*vec3(x,y,d),1);}}',glsl:()=>"float spectral_uncompand(float s){return s<.04045?s/12.92:pow((s+.055)/1.055,2.4);}float spectral_compand(float s){return s<.0031308?s*12.92:1.055*pow(s,1./2.4)-.055;}vec3 spectral_srgb_to_linear(vec3 s){return vec3(spectral_uncompand(s[0]),spectral_uncompand(s[1]),spectral_uncompand(s[2]));}vec3 spectral_linear_to_srgb(vec3 s){return clamp(vec3(spectral_compand(s[0]),spectral_compand(s[1]),spectral_compand(s[2])),0.,1.);}void spectral_upsampling(vec3 e,out float m,out float s,out float f,out float r,out float x,out float v,out float z){m=min(e.x,min(e.y,e.z));e-=m;s=min(e.y,e.z);f=min(e.x,e.z);r=min(e.x,e.y);x=min(max(0.,e.x-e.z),max(0.,e.x-e.y));v=min(max(0.,e.y-e.z),max(0.,e.y-e.x));z=min(max(0.,e.z-e.y),max(0.,e.z-e.x));}void spectral_linear_to_reflectance(vec3 s,inout float f[38]){float e,o,m,x,v,w,z;spectral_upsampling(s,e,o,m,x,v,w,z);f[0]=max(1e-4,e+o*.96853629+m*.51567122+x*.02055257+v*.03147571+w*.49108579+z*.97901834);f[1]=max(1e-4,e+o*.96855103+m*.5401552+x*.02059936+v*.03146636+w*.46944057+z*.97901649);f[2]=max(1e-4,e+o*.96859338+m*.62645502+x*.02062723+v*.03140624+w*.4016578+z*.97901118);f[3]=max(1e-4,e+o*.96877345+m*.75595012+x*.02073387+v*.03119611+w*.2449042+z*.97892146);f[4]=max(1e-4,e+o*.96942204+m*.92826996+x*.02114202+v*.03053888+w*.0682688+z*.97858555);f[5]=max(1e-4,e+o*.97143709+m*.97223624+x*.02233154+v*.02856855+w*.02732883+z*.97743705);f[6]=max(1e-4,e+o*.97541862+m*.98616174+x*.02556857+v*.02459485+w*.013606+z*.97428075);f[7]=max(1e-4,e+o*.98074186+m*.98955255+x*.03330189+v*.0192952+w*.01000187+z*.96663223);f[8]=max(1e-4,e+o*.98580992+m*.98676237+x*.05185294+v*.01423112+w*.01284127+z*.94822893);f[9]=max(1e-4,e+o*.98971194+m*.97312575+x*.10087639+v*.01033111+w*.02636635+z*.89937713);f[10]=max(1e-4,e+o*.99238027+m*.91944277+x*.24000413+v*.00765876+w*.07058713+z*.76070164);f[11]=max(1e-4,e+o*.99409844+m*.32564851+x*.53589066+v*.00593693+w*.70421692+z*.4642044);f[12]=max(1e-4,e+o*.995172+m*.13820628+x*.79874659+v*.00485616+w*.85473994+z*.20123039);f[13]=max(1e-4,e+o*.99576545+m*.05015143+x*.91186529+v*.00426186+w*.95081565+z*.08808402);f[14]=max(1e-4,e+o*.99593552+m*.02912336+x*.95399623+v*.00409039+w*.9717037+z*.04592894);f[15]=max(1e-4,e+o*.99564041+m*.02421691+x*.97137099+v*.00438375+w*.97651888+z*.02860373);f[16]=max(1e-4,e+o*.99464769+m*.02660696+x*.97939505+v*.00537525+w*.97429245+z*.02060067);f[17]=max(1e-4,e+o*.99229579+m*.03407586+x*.98345207+v*.00772962+w*.97012917+z*.01656701);f[18]=max(1e-4,e+o*.98638762+m*.04835936+x*.98553736+v*.0136612+w*.9425863+z*.01451549);f[19]=max(1e-4,e+o*.96829712+m*.0001172+x*.98648905+v*.03181352+w*.99989207+z*.01357964);f[20]=max(1e-4,e+o*.89228016+m*8.554e-5+x*.98674535+v*.10791525+w*.99989891+z*.01331243);f[21]=max(1e-4,e+o*.53740239+m*.85267882+x*.98657555+v*.46249516+w*.13823139+z*.01347661);f[22]=max(1e-4,e+o*.15360445+m*.93188793+x*.98611877+v*.84604333+w*.06968113+z*.01387181);f[23]=max(1e-4,e+o*.05705719+m*.94810268+x*.98559942+v*.94275572+w*.05628787+z*.01435472);f[24]=max(1e-4,e+o*.03126539+m*.94200977+x*.98507063+v*.96860996+w*.06111561+z*.01479836);f[25]=max(1e-4,e+o*.02205445+m*.91478045+x*.98460039+v*.97783966+w*.08987709+z*.0151525);f[26]=max(1e-4,e+o*.01802271+m*.87065445+x*.98425301+v*.98187757+w*.13656016+z*.01540513);f[27]=max(1e-4,e+o*.0161346+m*.78827548+x*.98403909+v*.98377315+w*.22169624+z*.01557233);f[28]=max(1e-4,e+o*.01520947+m*.65738359+x*.98388535+v*.98470202+w*.32176956+z*.0156571);f[29]=max(1e-4,e+o*.01475977+m*.59909403+x*.98376116+v*.98515481+w*.36157329+z*.01571025);f[30]=max(1e-4,e+o*.01454263+m*.56817268+x*.98368246+v*.98537114+w*.4836192+z*.01571916);f[31]=max(1e-4,e+o*.01444459+m*.54031997+x*.98365023+v*.98546685+w*.46488579+z*.01572133);f[32]=max(1e-4,e+o*.01439897+m*.52110241+x*.98361309+v*.98550011+w*.47440306+z*.01572502);f[33]=max(1e-4,e+o*.0143762+m*.51041094+x*.98357259+v*.98551031+w*.4857699+z*.01571717);f[34]=max(1e-4,e+o*.01436343+m*.50526577+x*.98353856+v*.98550741+w*.49267971+z*.01571905);f[35]=max(1e-4,e+o*.01435687+m*.5025508+x*.98351247+v*.98551323+w*.49625685+z*.01571059);f[36]=max(1e-4,e+o*.0143537+m*.50126452+x*.98350101+v*.98551563+w*.49807754+z*.01569728);f[37]=max(1e-4,e+o*.01435408+m*.50083021+x*.98350852+v*.98551547+w*.49889859+z*.0157002);}vec3 spectral_xyz_to_srgb(vec3 e){mat3 f;f[0]=vec3(3.24306333,-1.53837619,-.49893282);f[1]=vec3(-.96896309,1.87542451,.04154303);f[2]=vec3(.05568392,-.20417438,1.05799454);float s=dot(f[0],e),m=dot(f[1],e),z=dot(f[2],e);return spectral_linear_to_srgb(vec3(s,m,z));}vec3 spectral_reflectance_to_xyz(float f[38]){vec3 e=vec3(0);e+=f[0]*vec3(6.469e-5,1.84e-6,.00030502);e+=f[1]*vec3(.00021941,6.21e-6,.00103681);e+=f[2]*vec3(.00112057,3.101e-5,.00531314);e+=f[3]*vec3(.00376661,.00010475,.01795439);e+=f[4]*vec3(.01188055,.00035364,.05707758);e+=f[5]*vec3(.02328644,.00095147,.11365162);e+=f[6]*vec3(.03455942,.00228226,.17335873);e+=f[7]*vec3(.03722379,.00420733,.19620658);e+=f[8]*vec3(.03241838,.0066888,.18608237);e+=f[9]*vec3(.02123321,.0098884,.13995048);e+=f[10]*vec3(.01049099,.01524945,.08917453);e+=f[11]*vec3(.00329584,.02141831,.04789621);e+=f[12]*vec3(.00050704,.03342293,.02814563);e+=f[13]*vec3(.00094867,.05131001,.01613766);e+=f[14]*vec3(.00627372,.07040208,.0077591);e+=f[15]*vec3(.01686462,.08783871,.00429615);e+=f[16]*vec3(.02868965,.09424905,.00200551);e+=f[17]*vec3(.04267481,.09795667,.00086147);e+=f[18]*vec3(.05625475,.09415219,.00036904);e+=f[19]*vec3(.0694704,.08678102,.00019143);e+=f[20]*vec3(.08305315,.07885653,.00014956);e+=f[21]*vec3(.0861261,.0635267,9.231e-5);e+=f[22]*vec3(.09046614,.05374142,6.813e-5);e+=f[23]*vec3(.08500387,.04264606,2.883e-5);e+=f[24]*vec3(.07090667,.03161735,1.577e-5);e+=f[25]*vec3(.05062889,.02088521,3.94e-6);e+=f[26]*vec3(.03547396,.01386011,1.58e-6);e+=f[27]*vec3(.02146821,.00810264,0);e+=f[28]*vec3(.01251646,.0046301,0);e+=f[29]*vec3(.00680458,.00249138,0);e+=f[30]*vec3(.00346457,.0012593,0);e+=f[31]*vec3(.00149761,.00054165,0);e+=f[32]*vec3(.0007697,.00027795,0);e+=f[33]*vec3(.00040737,.00014711,0);e+=f[34]*vec3(.00016901,6.103e-5,0);e+=f[35]*vec3(9.522e-5,3.439e-5,0);e+=f[36]*vec3(4.903e-5,1.771e-5,0);e+=f[37]*vec3(2e-5,7.22e-6,0);return e;}float spectral_linear_to_concentration(float v,float m,float s){float z=m*pow(s,2.);return z/(v*pow(1.-s,2.)+z);}vec3 spectral_mix(vec3 s,vec3 f,float e){vec3 v=spectral_srgb_to_linear(s),m=spectral_srgb_to_linear(f);float z[38],o[38];spectral_linear_to_reflectance(v,z);spectral_linear_to_reflectance(m,o);float x=spectral_reflectance_to_xyz(z)[1],w=spectral_reflectance_to_xyz(o)[1];e=spectral_linear_to_concentration(x,w,e);float r[38];for(int c=0;c<38;c++){float y=(1.-e)*(pow(1.-z[c],2.)/(2.*z[c]))+e*(pow(1.-o[c],2.)/(2.*o[c]));r[c]=1.+y-sqrt(pow(y,2.)+2.*y);}return spectral_xyz_to_srgb(spectral_reflectance_to_xyz(r));}vec4 spectral_mix(vec4 s,vec4 e,float z){return vec4(spectral_mix(s.xyz,e.xyz,z),mix(s.w,e.w,z));}"};function d(t,e){n(),m.list.set(t,{gen:e}),m.current=t,m.refresh()}p5.prototype.registerMethod("afterSetup",(()=>c.blend(!1,!0))),p5.prototype.registerMethod("afterSetup",(()=>c.blend(!1,!0,!0))),p5.prototype.registerMethod("post",(()=>c.blend(!1,!0))),p5.prototype.registerMethod("post",(()=>c.blend(!1,!0,!0)));const m={isActive:!1,list:new Map,current:"",step_length:()=>Math.min(e.width,e.height)/1e3,create(){this.R=.01*e.width,this.left_x=-1*e.width,this.top_y=-1*e.height,this.num_columns=Math.round(2*e.width/this.R),this.num_rows=Math.round(2*e.height/this.R),this.addStandard()},flow_field(){return this.list.get(this.current).field},refresh(t=0){this.list.get(this.current).field=this.list.get(this.current).gen(t)},genField(){let t=new Array(m.num_columns);for(let e=0;e<this.num_columns;e++)t[e]=new Float64Array(this.num_rows);return t},addStandard(){d("curved",(function(t){let e=m.genField(),i=o.randInt(-25,-15);o.randInt(0,100)%2==0&&(i*=-1);for(let s=0;s<m.num_columns;s++)for(let n=0;n<m.num_rows;n++){let r=noise(.02*s+.03*t,.02*n+.03*t),a=o.map(r,0,1,-i,i);e[s][n]=3*a}return e})),d("truncated",(function(t){let e=m.genField(),i=o.randInt(-25,-15)+5*o.sin(t);o.randInt(0,100)%2==0&&(i*=-1);let s=o.randInt(5,10);for(let t=0;t<m.num_columns;t++)for(let n=0;n<m.num_rows;n++){let r=noise(.02*t,.02*n),a=Math.round(o.map(r,0,1,-i,i)/s)*s;e[t][n]=4*a}return e})),d("zigzag",(function(t){let e=m.genField(),i=o.randInt(-30,-15)+Math.abs(44*o.sin(t));o.randInt(0,100)%2==0&&(i*=-1);let s=i,n=0;for(let t=0;t<m.num_columns;t++){for(let i=0;i<m.num_rows;i++)e[t][i]=n,n+=s,s*=-1;n+=s,s*=-1}return e})),d("waves",(function(t){let e=m.genField(),i=o.randInt(10,15)+5*o.sin(t),s=o.randInt(3,6)+3*o.cos(t),n=o.randInt(20,35);for(let t=0;t<m.num_columns;t++)for(let r=0;r<m.num_rows;r++){let a=o.sin(i*t)*(n*o.cos(r*s))+o.randInt(-3,3);e[t][r]=a}return e})),d("seabed",(function(t){let e=m.genField(),i=o.random(.4,.8),s=o.randInt(18,26);for(let n=0;n<m.num_columns;n++)for(let r=0;r<m.num_rows;r++){let a=o.randInt(15,20),h=s*o.sin(i*r*n+a);e[n][r]=1.1*h*o.cos(t)}return e}))}};class p{constructor(t,e){this.update(t,e),this.plotted=0}update(t,e){this.x=t,this.y=e,m.isActive&&(this.x_offset=this.x-m.left_x+a()[0],this.y_offset=this.y-m.top_y+a()[1],this.column_index=Math.round(this.x_offset/m.R),this.row_index=Math.round(this.y_offset/m.R))}reset(){this.plotted=0}isIn(){return m.isActive?this.column_index>=0&&this.row_index>=0&&this.column_index<m.num_columns&&this.row_index<m.num_rows:this.isInCanvas()}isInCanvas(){let t=.55*e.width,i=.55*e.height;return this.x>=-t-a()[0]&&this.x<=t-a()[0]&&this.y>=-i-a()[1]&&this.y<=i-a()[1]}angle(){return this.isIn()&&m.isActive?m.flow_field()[this.column_index][this.row_index]:0}moveTo(t,e,i=m.step_length(),s=!0){if(this.isIn()){let n,r;s||(n=o.cos(-e),r=o.sin(-e));for(let a=0;a<t/i;a++){if(s){let t=this.angle();n=o.cos(t-e),r=o.sin(t-e)}let t=i*n,a=i*r;this.plotted+=i,this.update(this.x+t,this.y+a)}}else this.plotted+=i}plotTo(t,e,i,s){if(this.isIn()){const n=1/s;for(let s=0;s<e/i;s++){let e=this.angle(),s=t.angle(this.plotted),r=i*o.cos(e-s),a=i*o.sin(e-s);this.plotted+=i*n,this.update(this.x+r,this.y+a)}}else this.plotted+=i/scale}}function f(t){for(let e of T){let i=g.list.get(e[0]).param;i.weight*=t,i.vibration*=t,i.spacing*=t}u=t}let u=1;const g={isActive:!0,list:new Map,c:"#000000",w:1,cr:null,name:"HB",add:(t,e)=>{const i="marker"===e.type||"custom"===e.type||"image"===e.type;"image"===e.type&&(v.add(e.image.src),e.tip=()=>{g.mask.image(v.tips.get(g.p.image.src),-g.p.weight/2,-g.p.weight/2,g.p.weight,g.p.weight)}),e.blend=!!(i&&!1!==e.blend||e.blend),g.list.set(t,{param:e,colors:[],buffers:[]})},set(t,e,i=1){g.name=t,g.c=e,g.w=i,g.isActive=!0},setBrush(t){g.name=t},setColor(t,e,i){arguments.length>0&&(g.c=arguments.length<2?t:[t,e,i]),g.isActive=!0},setWeight(t){g.w=t},clip(t){g.cr=t},noClip(){g.cr=null},line(t,e,i,s){n();let o=dist(t,e,i,s);if(0==o)return;g.initializeDrawingState(t,e,o,!1,!1);let r=l(t,e,i,s);g.draw(r,!1)},flowLine(t,e,i,s){n(),"radians"===angleMode()&&(s=180*s/Math.PI),g.initializeDrawingState(t,e,i,!0,!1),g.draw(s,!1)},flowShape(t,e,i,s){n(),g.initializeDrawingState(e,i,t.length,!0,t),g.draw(s,!0)},spacing(){return this.p=this.list.get(this.name).param,this.p.spacing*this.w},initializeDrawingState(t,e,i,s,n){this.position=new p(t,e),this.length=i,this.flow=s,this.plot=n,n&&n.calcIndex(0)},draw(t,e){e||(this.dir=t),this.pushState();const i=this.spacing(),s=e?Math.round(this.length*t/i):Math.round(this.length/i);for(let n=0;n<s;n++)this.tip(),e?this.position.plotTo(this.plot,i,i,t):this.position.moveTo(i,t,i,this.flow);this.popState()},drawTip(t){this.pushState(!0),this.tip(t),this.popState(!0)},pushState(t=!1){if(this.p=this.list.get(this.name).param,!t){this.a="custom"!==this.p.pressure.type?o.random(-1,1):0,this.b="custom"!==this.p.pressure.type?o.random(1,1.5):0,this.cp="custom"!==this.p.pressure.type?o.random(3,3.5):o.random(-.2,.2);const[t,e]=this.p.pressure.min_max;this.min=t,this.max=e}this.c=e.color(this.c),this.mask=this.p.blend?"image"===this.p.type?c.mask2:c.mask:c.noBlend,a(),this.mask.push(),this.mask.noStroke(),"image"===this.p.type?this.mask.translate(r[0],r[1]):this.mask.translate(r[0]+e.width/2,r[1]+e.height/2),this.p.blend&&("image"!==this.p.type?c.blend(this.c):c.blend(this.c,!1,!0),t||this.markerTip())},popState(t=!1){this.p.blend&&!t&&this.markerTip(),this.mask.pop()},tip(t=!1){let e=t||this.calculatePressure(),i=this.calculateAlpha(e);if(this.applyColor(i),this.isInsideClippingArea())switch(this.p.type){case"spray":this.drawSpray(e);break;case"marker":this.drawMarker(e);break;case"custom":case"image":this.drawCustomOrImage(e,i);break;default:this.drawDefault(e)}},calculatePressure(){return this.plot?this.simPressure()*this.plot.pressure(this.position.plotted):this.simPressure()},simPressure(){return"custom"===this.p.pressure.type?o.map(this.p.pressure.curve(this.position.plotted/this.length)+this.cp,0,1,this.min,this.max,!0):this.gauss()},gauss(t=.5+g.p.pressure.curve[0]*g.a,e=1-g.p.pressure.curve[1]*g.b,i=g.cp,s=g.min,n=g.max){return o.map(1/(1+Math.pow(Math.abs((this.position.plotted-t*this.length)/(e*this.length/2)),2*i)),0,1,s,n)},calculateAlpha(t){return Math.floor(this.p.opacity*Math.pow(t,"marker"===this.p.type?.7:1.5))},applyColor(t){this.p.blend?this.mask.fill(255,0,0,t/2):(this.c.setAlpha(t),this.mask.fill(this.c))},isInsideClippingArea(){return!g.cr||this.position.x>=g.cr[0]&&this.position.x<=g.cr[2]&&this.position.y>=g.cr[1]&&this.position.y<=g.cr[3]},drawSpray(t){let e=this.w*this.p.vibration*t+this.w*randomGaussian()*this.p.vibration/3,i=this.p.weight*o.random(.9,1.1);const s=this.p.quality/t;for(let t=0;t<s;t++){let t=o.random(.9,1.1),s=t*e*o.random(-1,1),n=o.random(-1,1),r=Math.pow(t*e,2),a=Math.sqrt(r-Math.pow(s,2));this.mask.circle(this.position.x+s,this.position.y+n*a,i)}},drawMarker(t,e=!0){let i=e?this.w*this.p.vibration:0,s=e?i*o.random(-1,1):0,n=e?i*o.random(-1,1):0;this.mask.circle(this.position.x+s,this.position.y+n,this.w*this.p.weight*t)},drawCustomOrImage(t,e,i=!0){this.mask.push();let s=i?this.w*this.p.vibration:0,n=i?s*o.random(-1,1):0,r=i?s*o.random(-1,1):0;this.mask.translate(this.position.x+n,this.position.y+r),this.adjustSizeAndRotation(this.w*t,e),this.p.tip(),this.mask.pop()},drawDefault(t){let e=this.w*this.p.vibration*(this.p.definition+(1-this.p.definition)*randomGaussian()*this.gauss(.5,.9,5,.2,1.2)/t);o.random(0,this.p.quality)>.4&&this.mask.circle(this.position.x+.7*e*o.random(-1,1),this.position.y+e*o.random(-1,1),t*this.p.weight*this.w*o.random(.85,1.15))},adjustSizeAndRotation(t,e){if(this.mask.scale(t),"image"===this.p.type&&(this.p.blend?this.mask.tint(255,0,0,e/2):this.mask.tint(this.mask.red(this.c),this.mask.green(this.c),this.mask.blue(this.c),e)),"random"===this.p.rotate)this.mask.rotate(o.randInt(0,360));else if("natural"===this.p.rotate){let t=(this.plot?-this.plot.angle(this.position.plotted):-this.dir)+(this.flow?this.position.angle():0);t=this.plot?-this.plot.angle(this.position.plotted):-this.dir,this.mask.rotate(t)}},markerTip(){if(this.isInsideClippingArea()){let t=this.calculatePressure(),e=this.calculateAlpha(t);if(this.mask.fill(255,0,0,e/1.5),"marker"===g.p.type)for(let e=1;e<5;e++)this.drawMarker(t*e/5,!1);else if("custom"===g.p.type||"image"===g.p.type)for(let i=1;i<5;i++)this.drawCustomOrImage(t*i/5,e,!1)}}};const v={tips:new Map,add(t){this.tips.set(t,!1)},imageToWhite(t){t.loadPixels();for(let e=0;e<4*t.width*t.height;e+=4){let i=(t.pixels[e]+t.pixels[e+1]+t.pixels[e+2])/3;t.pixels[e]=t.pixels[e+1]=t.pixels[e+2]=255,t.pixels[e+3]=255-i}t.updatePixels()},load(){if(0===this.tips.size)return console.log("There are no custom tips to load !");for(let t of this.tips.keys()){let e=loadImage(t,(()=>v.imageToWhite(e)));this.tips.set(t,e)}}};function x(t=5,e=45,i={rand:!1,continuous:!1,gradient:!1}){y.isActive=!0,y.hatchingParams=[t,e,i]}const y={isActive:!1,hatchingParams:[5,45,{}],hatchingBrush:!1,hatch(t){let e=y.hatchingParams[0],i=y.hatchingParams[1],s=y.hatchingParams[2],n=g.c,r=g.name,a=g.w,h=g.isActive;y.hatchingBrush&&g.set(y.hatchingBrush[0],y.hatchingBrush[1],y.hatchingBrush[2]),i=(("radians"===angleMode()?180*i/Math.PI:i)+1080)%180;let l=1/0,c=-1/0,d=1/0,m=-1/0,p=t=>{for(let e of t.a)l=e[0]<l?e[0]:l,c=e[0]>c?e[0]:c,d=e[1]<d?e[1]:d,m=e[1]>m?e[1]:m};Array.isArray(t)||(t=[t]);for(let e of t)p(e);let f=new w([[l,d],[c,d],[c,m],[l,m]]),u=i<=90&&i>=0?d:m,v=s.gradient?map(s.gradient,0,1,1,1.1,!0):1,x=[],_=0,z=e,k=t=>({point1:{x:l+z*t*o.cos(90-i),y:u+z*t*o.sin(90-i)},point2:{x:l+z*t*o.cos(90-i)+o.cos(-i),y:u+z*t*o.sin(90-i)+o.sin(-i)}});for(;f.intersect(k(_)).length>0;){let e=[];for(let i of t)e.push(i.intersect(k(_)));x[_]=e.flat().sort(((t,e)=>t.x===e.x?t.y-e.y:t.x-e.x)),z*=v,_++}let M=[];for(let t of x)void 0!==t[0]&&M.push(t);for(let t=0;t<M.length;t++){let i=M[t],n=s.rand||0,r=t>0&&s.continuous;for(let s=0;s<i.length-1;s+=2)0!==n&&(i[s].x+=n*e*o.random(-1,1),i[s].y+=n*e*o.random(-1,1),i[s+1].x+=n*e*o.random(-1,1),i[s+1].y+=n*e*o.random(-1,1)),g.line(i[s].x,i[s].y,i[s+1].x,i[s+1].y),r&&g.line(M[t-1][1].x,M[t-1][1].y,i[s].x,i[s].y)}g.set(r,n,a),g.isActive=h}};class w{constructor(t){this.a=t,this.vertices=t.map((t=>({x:t[0],y:t[1]}))),this.sides=this.vertices.map(((t,e,i)=>[t,i[(e+1)%i.length]]))}intersect(t){let e=`${t.point1.x},${t.point1.y}-${t.point2.x},${t.point2.y}`;if(this._intersectionCache&&this._intersectionCache[e])return this._intersectionCache[e];let i=[];for(let e of this.sides){let s=h(t.point1,t.point2,e[0],e[1]);!1!==s&&i.push(s)}return this._intersectionCache||(this._intersectionCache={}),this._intersectionCache[e]=i,i}draw(t=!1,e,i){let s=g.isActive;if(t&&g.set(t,e,i),g.isActive){n();for(let t of 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t>this.length?this.angles[this.angles.length-1]:(this.calcIndex(t),"curve"===this.type?this.curving(this.angles,t)+this.dir:this.angles[this.index]+this.dir)}curving(t,e){let i=t[this.index],s=t[this.index+1];return void 0===s&&(s=i),Math.abs(s-i)>180&&(s>i?s=-(360-s):i=-(360-i)),o.map(e-this.suma,0,this.segments[this.index],i,s,!0)}calcIndex(t){this.index=-1,this.suma=0;let e=0;for(;e<=t;)this.suma=e,e+=this.segments[this.index+1],this.index++}genPol(t,e,i=1,s=!1){n();let o=0,r=9999;for(let t of this.segments)t*=i,0!==t&&(o=Math.max(o,t),r=Math.min(r,t));let a=g.spacing(),h=[],l=(o+r)*(s?.03:I.isAnimated?.25:I.b),c=new p(t,e),d=Math.round(this.length/a);for(let t=0;t<d;t++)c.x&&(h[Math.floor(c.plotted/l)]=[c.x,c.y]),c.plotTo(this,a,a,1);return this.calcIndex(0),new w(h)}draw(t,e,i){g.isActive&&(n(),this.origin&&(t=this.origin[0],e=this.origin[1],i=1),g.flowShape(this,t,e,i))}fill(t,e,i){I.isActive&&(n(),this.origin&&(t=this.origin[0],e=this.origin[1],i=1),this.pol||(this.pol=this.genPol(t,e,i)),this.pol.fill())}hatch(t,e,i){y.isActive&&(n(),this.origin&&(t=this.origin[0],e=this.origin[1],i=1),this.pol||(this.pol=this.genPol(t,e,i,!0)),this.pol.hatch())}}let z,k=!1;function M(t){z=t,k=[]}function b(t,e,i){k.push([t,e,i])}function C(t){t===CLOSE&&k.push(k[0]);let e=A(k,z);(I.isActive||y.isActive)&&(e.fill(),e.hatch()),g.isActive&&e.draw(),k=!1}function A(t,e=.5){let i=new _(0===e?"segments":"curve");if(t&&t.length>0){i.origin=t[0];let s=0;for(let n=0;n<t.length-1;n++)if(e>0&&n<t.length-2){let 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A=vec2(E.x,w),B=vec2(E.y,w.y),F=vec2(E.z,w.z);vec3 G=.8-vec3(dot(s,s),dot(g,g),dot(t,t));G=max(G,0.);vec3 H=G*G,I=H*H,J=vec3(dot(A,s),dot(B,g),dot(F,t)),K=H*G,L=-8.*K*J;i=10.9*(I.x*A+L.x*s+(I.y*B+L.y*g)+(I.z*F+L.z*t));return 10.9*dot(I,J);}vec4 v(vec3 v,float f){return vec4(mix(v,vec3(dot(vec3(.299,.587,.114),v)),f),1);}float f(vec2 v,float x,float y,float d){return fract(sin(dot(v,vec2(x,y)))*d);}void main(){vec4 m=texture2D(mask,vVertTexCoord);if(m.x>0.){vec2 z=vec2(12.9898,78.233),k=vec2(7.9898,58.233),o=vec2(17.9898,3.233);float x=f(vVertTexCoord,z.x,z.y,43358.5453)*2.-1.,y=f(vVertTexCoord,k.x,k.y,43213.5453)*2.-1.,d=f(vVertTexCoord,o.x,o.y,33358.5453)*2.-1.;const vec2 s=vec2(0);vec2 t;vec3 u;if(active){float a=v(vVertTexCoord*10.,s,10.*random.x,t),c=v(vVertTexCoord*10.,s,10.*random.y,t),g=v(vVertTexCoord*10.,s,10.*random.z,t),w=.25+.25*v(vVertTexCoord*8.,s,3.*random.x,t);u=v(addColor.xyz,w).xyz+vec3(a,c,g)*.03;}else u=addColor.xyz;vec3 a=spectral_mix(texture2D(source,vVertTexCoord).xyz,u,m.w);if(m.w>.8)a=spectral_mix(a,vec3(0),(m.w-.8)*.4);gl_FragColor=vec4(a+.01*vec3(x,y,d),1);}}',glsl:()=>"float spectral_uncompand(float s){return s<.04045?s/12.92:pow((s+.055)/1.055,2.4);}float spectral_compand(float s){return s<.0031308?s*12.92:1.055*pow(s,1./2.4)-.055;}vec3 spectral_srgb_to_linear(vec3 s){return vec3(spectral_uncompand(s[0]),spectral_uncompand(s[1]),spectral_uncompand(s[2]));}vec3 spectral_linear_to_srgb(vec3 s){return clamp(vec3(spectral_compand(s[0]),spectral_compand(s[1]),spectral_compand(s[2])),0.,1.);}void spectral_upsampling(vec3 e,out float m,out float s,out float f,out float r,out float x,out float v,out float z){m=min(e.x,min(e.y,e.z));e-=m;s=min(e.y,e.z);f=min(e.x,e.z);r=min(e.x,e.y);x=min(max(0.,e.x-e.z),max(0.,e.x-e.y));v=min(max(0.,e.y-e.z),max(0.,e.y-e.x));z=min(max(0.,e.z-e.y),max(0.,e.z-e.x));}void spectral_linear_to_reflectance(vec3 s,inout float f[38]){float e,o,m,x,v,w,z;spectral_upsampling(s,e,o,m,x,v,w,z);f[0]=max(1e-4,e+o*.96853629+m*.51567122+x*.02055257+v*.03147571+w*.49108579+z*.97901834);f[1]=max(1e-4,e+o*.96855103+m*.5401552+x*.02059936+v*.03146636+w*.46944057+z*.97901649);f[2]=max(1e-4,e+o*.96859338+m*.62645502+x*.02062723+v*.03140624+w*.4016578+z*.97901118);f[3]=max(1e-4,e+o*.96877345+m*.75595012+x*.02073387+v*.03119611+w*.2449042+z*.97892146);f[4]=max(1e-4,e+o*.96942204+m*.92826996+x*.02114202+v*.03053888+w*.0682688+z*.97858555);f[5]=max(1e-4,e+o*.97143709+m*.97223624+x*.02233154+v*.02856855+w*.02732883+z*.97743705);f[6]=max(1e-4,e+o*.97541862+m*.98616174+x*.02556857+v*.02459485+w*.013606+z*.97428075);f[7]=max(1e-4,e+o*.98074186+m*.98955255+x*.03330189+v*.0192952+w*.01000187+z*.96663223);f[8]=max(1e-4,e+o*.98580992+m*.98676237+x*.05185294+v*.01423112+w*.01284127+z*.94822893);f[9]=max(1e-4,e+o*.98971194+m*.97312575+x*.10087639+v*.01033111+w*.02636635+z*.89937713);f[10]=max(1e-4,e+o*.99238027+m*.91944277+x*.24000413+v*.00765876+w*.07058713+z*.76070164);f[11]=max(1e-4,e+o*.99409844+m*.32564851+x*.53589066+v*.00593693+w*.70421692+z*.4642044);f[12]=max(1e-4,e+o*.995172+m*.13820628+x*.79874659+v*.00485616+w*.85473994+z*.20123039);f[13]=max(1e-4,e+o*.99576545+m*.05015143+x*.91186529+v*.00426186+w*.95081565+z*.08808402);f[14]=max(1e-4,e+o*.99593552+m*.02912336+x*.95399623+v*.00409039+w*.9717037+z*.04592894);f[15]=max(1e-4,e+o*.99564041+m*.02421691+x*.97137099+v*.00438375+w*.97651888+z*.02860373);f[16]=max(1e-4,e+o*.99464769+m*.02660696+x*.97939505+v*.00537525+w*.97429245+z*.02060067);f[17]=max(1e-4,e+o*.99229579+m*.03407586+x*.98345207+v*.00772962+w*.97012917+z*.01656701);f[18]=max(1e-4,e+o*.98638762+m*.04835936+x*.98553736+v*.0136612+w*.9425863+z*.01451549);f[19]=max(1e-4,e+o*.96829712+m*.0001172+x*.98648905+v*.03181352+w*.99989207+z*.01357964);f[20]=max(1e-4,e+o*.89228016+m*8.554e-5+x*.98674535+v*.10791525+w*.99989891+z*.01331243);f[21]=max(1e-4,e+o*.53740239+m*.85267882+x*.98657555+v*.46249516+w*.13823139+z*.01347661);f[22]=max(1e-4,e+o*.15360445+m*.93188793+x*.98611877+v*.84604333+w*.06968113+z*.01387181);f[23]=max(1e-4,e+o*.05705719+m*.94810268+x*.98559942+v*.94275572+w*.05628787+z*.01435472);f[24]=max(1e-4,e+o*.03126539+m*.94200977+x*.98507063+v*.96860996+w*.06111561+z*.01479836);f[25]=max(1e-4,e+o*.02205445+m*.91478045+x*.98460039+v*.97783966+w*.08987709+z*.0151525);f[26]=max(1e-4,e+o*.01802271+m*.87065445+x*.98425301+v*.98187757+w*.13656016+z*.01540513);f[27]=max(1e-4,e+o*.0161346+m*.78827548+x*.98403909+v*.98377315+w*.22169624+z*.01557233);f[28]=max(1e-4,e+o*.01520947+m*.65738359+x*.98388535+v*.98470202+w*.32176956+z*.0156571);f[29]=max(1e-4,e+o*.01475977+m*.59909403+x*.98376116+v*.98515481+w*.36157329+z*.01571025);f[30]=max(1e-4,e+o*.01454263+m*.56817268+x*.98368246+v*.98537114+w*.4836192+z*.01571916);f[31]=max(1e-4,e+o*.01444459+m*.54031997+x*.98365023+v*.98546685+w*.46488579+z*.01572133);f[32]=max(1e-4,e+o*.01439897+m*.52110241+x*.98361309+v*.98550011+w*.47440306+z*.01572502);f[33]=max(1e-4,e+o*.0143762+m*.51041094+x*.98357259+v*.98551031+w*.4857699+z*.01571717);f[34]=max(1e-4,e+o*.01436343+m*.50526577+x*.98353856+v*.98550741+w*.49267971+z*.01571905);f[35]=max(1e-4,e+o*.01435687+m*.5025508+x*.98351247+v*.98551323+w*.49625685+z*.01571059);f[36]=max(1e-4,e+o*.0143537+m*.50126452+x*.98350101+v*.98551563+w*.49807754+z*.01569728);f[37]=max(1e-4,e+o*.01435408+m*.50083021+x*.98350852+v*.98551547+w*.49889859+z*.0157002);}vec3 spectral_xyz_to_srgb(vec3 e){mat3 f;f[0]=vec3(3.24306333,-1.53837619,-.49893282);f[1]=vec3(-.96896309,1.87542451,.04154303);f[2]=vec3(.05568392,-.20417438,1.05799454);float s=dot(f[0],e),m=dot(f[1],e),z=dot(f[2],e);return spectral_linear_to_srgb(vec3(s,m,z));}vec3 spectral_reflectance_to_xyz(float f[38]){vec3 e=vec3(0);e+=f[0]*vec3(6.469e-5,1.84e-6,.00030502);e+=f[1]*vec3(.00021941,6.21e-6,.00103681);e+=f[2]*vec3(.00112057,3.101e-5,.00531314);e+=f[3]*vec3(.00376661,.00010475,.01795439);e+=f[4]*vec3(.01188055,.00035364,.05707758);e+=f[5]*vec3(.02328644,.00095147,.11365162);e+=f[6]*vec3(.03455942,.00228226,.17335873);e+=f[7]*vec3(.03722379,.00420733,.19620658);e+=f[8]*vec3(.03241838,.0066888,.18608237);e+=f[9]*vec3(.02123321,.0098884,.13995048);e+=f[10]*vec3(.01049099,.01524945,.08917453);e+=f[11]*vec3(.00329584,.02141831,.04789621);e+=f[12]*vec3(.00050704,.03342293,.02814563);e+=f[13]*vec3(.00094867,.05131001,.01613766);e+=f[14]*vec3(.00627372,.07040208,.0077591);e+=f[15]*vec3(.01686462,.08783871,.00429615);e+=f[16]*vec3(.02868965,.09424905,.00200551);e+=f[17]*vec3(.04267481,.09795667,.00086147);e+=f[18]*vec3(.05625475,.09415219,.00036904);e+=f[19]*vec3(.0694704,.08678102,.00019143);e+=f[20]*vec3(.08305315,.07885653,.00014956);e+=f[21]*vec3(.0861261,.0635267,9.231e-5);e+=f[22]*vec3(.09046614,.05374142,6.813e-5);e+=f[23]*vec3(.08500387,.04264606,2.883e-5);e+=f[24]*vec3(.07090667,.03161735,1.577e-5);e+=f[25]*vec3(.05062889,.02088521,3.94e-6);e+=f[26]*vec3(.03547396,.01386011,1.58e-6);e+=f[27]*vec3(.02146821,.00810264,0);e+=f[28]*vec3(.01251646,.0046301,0);e+=f[29]*vec3(.00680458,.00249138,0);e+=f[30]*vec3(.00346457,.0012593,0);e+=f[31]*vec3(.00149761,.00054165,0);e+=f[32]*vec3(.0007697,.00027795,0);e+=f[33]*vec3(.00040737,.00014711,0);e+=f[34]*vec3(.00016901,6.103e-5,0);e+=f[35]*vec3(9.522e-5,3.439e-5,0);e+=f[36]*vec3(4.903e-5,1.771e-5,0);e+=f[37]*vec3(2e-5,7.22e-6,0);return e;}float spectral_linear_to_concentration(float v,float m,float s){float z=m*pow(s,2.);return z/(v*pow(1.-s,2.)+z);}vec3 spectral_mix(vec3 s,vec3 f,float e){vec3 v=spectral_srgb_to_linear(s),m=spectral_srgb_to_linear(f);float z[38],o[38];spectral_linear_to_reflectance(v,z);spectral_linear_to_reflectance(m,o);float x=spectral_reflectance_to_xyz(z)[1],w=spectral_reflectance_to_xyz(o)[1];e=spectral_linear_to_concentration(x,w,e);float r[38];for(int c=0;c<38;c++){float y=(1.-e)*(pow(1.-z[c],2.)/(2.*z[c]))+e*(pow(1.-o[c],2.)/(2.*o[c]));r[c]=1.+y-sqrt(pow(y,2.)+2.*y);}return spectral_xyz_to_srgb(spectral_reflectance_to_xyz(r));}vec4 spectral_mix(vec4 s,vec4 e,float z){return vec4(spectral_mix(s.xyz,e.xyz,z),mix(s.w,e.w,z));}"};function d(t,e){o(),m.list.set(t,{gen:e}),m.current=t,m.refresh()}p5.prototype.registerMethod("afterSetup",(()=>c.blend(!1,!0))),p5.prototype.registerMethod("afterSetup",(()=>c.blend(!1,!0,!0))),p5.prototype.registerMethod("post",(()=>c.blend(!1,!0))),p5.prototype.registerMethod("post",(()=>c.blend(!1,!0,!0)));const m={isActive:!1,list:new Map,current:"",step_length:()=>Math.min(e.width,e.height)/1e3,create(){this.R=.01*e.width,this.left_x=-1*e.width,this.top_y=-1*e.height,this.num_columns=Math.round(2*e.width/this.R),this.num_rows=Math.round(2*e.height/this.R),this.addStandard()},flow_field(){return this.list.get(this.current).field},refresh(t=0){this.list.get(this.current).field=this.list.get(this.current).gen(t,this.genField())},genField(){let t=new Array(this.num_columns);for(let e=0;e<this.num_columns;e++)t[e]=new Float64Array(this.num_rows);return t},addStandard(){d("curved",(function(t,e){let i=n.randInt(-25,-15);n.randInt(0,100)%2==0&&(i*=-1);for(let s=0;s<m.num_columns;s++)for(let o=0;o<m.num_rows;o++){let r=noise(.02*s+.03*t,.02*o+.03*t),a=n.map(r,0,1,-i,i);e[s][o]=3*a}return e})),d("truncated",(function(t,e){let i=n.randInt(-25,-15)+5*n.sin(t);n.randInt(0,100)%2==0&&(i*=-1);let s=n.randInt(5,10);for(let t=0;t<m.num_columns;t++)for(let o=0;o<m.num_rows;o++){let r=noise(.02*t,.02*o),a=Math.round(n.map(r,0,1,-i,i)/s)*s;e[t][o]=4*a}return e})),d("zigzag",(function(t,e){let i=n.randInt(-30,-15)+Math.abs(44*n.sin(t));n.randInt(0,100)%2==0&&(i*=-1);let s=i,o=0;for(let t=0;t<m.num_columns;t++){for(let i=0;i<m.num_rows;i++)e[t][i]=o,o+=s,s*=-1;o+=s,s*=-1}return e})),d("waves",(function(t,e){let i=n.randInt(10,15)+5*n.sin(t),s=n.randInt(3,6)+3*n.cos(t),o=n.randInt(20,35);for(let t=0;t<m.num_columns;t++)for(let r=0;r<m.num_rows;r++){let a=n.sin(i*t)*(o*n.cos(r*s))+n.randInt(-3,3);e[t][r]=a}return e})),d("seabed",(function(t,e){let i=n.random(.4,.8),s=n.randInt(18,26);for(let o=0;o<m.num_columns;o++)for(let r=0;r<m.num_rows;r++){let a=n.randInt(15,20),h=s*n.sin(i*r*o+a);e[o][r]=1.1*h*n.cos(t)}return e}))}};class p{constructor(t,e){this.update(t,e),this.plotted=0}update(t,e){this.x=t,this.y=e,m.isActive&&(this.x_offset=this.x-m.left_x+a()[0],this.y_offset=this.y-m.top_y+a()[1],this.column_index=Math.round(this.x_offset/m.R),this.row_index=Math.round(this.y_offset/m.R))}reset(){this.plotted=0}isIn(){return m.isActive?this.column_index>=0&&this.row_index>=0&&this.column_index<m.num_columns&&this.row_index<m.num_rows:this.isInCanvas()}isInCanvas(){let t=.55*e.width,i=.55*e.height;return this.x>=-t-a()[0]&&this.x<=t-a()[0]&&this.y>=-i-a()[1]&&this.y<=i-a()[1]}angle(){return this.isIn()&&m.isActive?m.flow_field()[this.column_index][this.row_index]:0}moveTo(t,e,i=m.step_length(),s=!0){if(this.isIn()){let o,r;s||(o=n.cos(-e),r=n.sin(-e));for(let a=0;a<t/i;a++){if(s){let t=this.angle();o=n.cos(t-e),r=n.sin(t-e)}let t=i*o,a=i*r;this.plotted+=i,this.update(this.x+t,this.y+a)}}else this.plotted+=i}plotTo(t,e,i,s){if(this.isIn()){const o=1/s;for(let s=0;s<e/i;s++){let e=this.angle(),s=t.angle(this.plotted),r=i*n.cos(e-s),a=i*n.sin(e-s);this.plotted+=i*o,this.update(this.x+r,this.y+a)}}else this.plotted+=i/scale}}function f(t){for(let e of T){let i=v.list.get(e[0]).param;i.weight*=t,i.vibration*=t,i.spacing*=t}u=t}let u=1;const v={isActive:!0,list:new Map,c:"#000000",w:1,cr:null,name:"HB",add:(t,e)=>{const i="marker"===e.type||"custom"===e.type||"image"===e.type;"image"===e.type&&(g.add(e.image.src),e.tip=()=>v.mask.image(g.tips.get(v.p.image.src),-v.p.weight/2,-v.p.weight/2,v.p.weight,v.p.weight)),e.blend=!!(i&&!1!==e.blend||e.blend),v.list.set(t,{param:e,colors:[],buffers:[]})},set(t,e,i=1){v.name=t,v.c=e,v.w=i,v.isActive=!0},setBrush(t){v.name=t},setColor(t,e,i){arguments.length>0&&(v.c=arguments.length<2?t:[t,e,i]),v.isActive=!0},setWeight(t){v.w=t},clip(t){v.cr=t},noClip(){v.cr=null},line(t,e,i,s){o();let n=dist(t,e,i,s);if(0==n)return;v.initializeDrawingState(t,e,n,!1,!1);let r=l(t,e,i,s);v.draw(r,!1)},flowLine(t,e,i,s){o(),"radians"===angleMode()&&(s=180*s/Math.PI),v.initializeDrawingState(t,e,i,!0,!1),v.draw(s,!1)},flowShape(t,e,i,s){o(),v.initializeDrawingState(e,i,t.length,!0,t),v.draw(s,!0)},spacing(){return this.p=this.list.get(this.name).param,this.p.spacing*this.w},initializeDrawingState(t,e,i,s,o){this.position=new p(t,e),this.length=i,this.flow=s,this.plot=o,o&&o.calcIndex(0)},draw(t,e){e||(this.dir=t),this.pushState();const i=this.spacing(),s=e?Math.round(this.length*t/i):Math.round(this.length/i);for(let o=0;o<s;o++)this.tip(),e?this.position.plotTo(this.plot,i,i,t):this.position.moveTo(i,t,i,this.flow);this.popState()},drawTip(t){this.pushState(!0),this.tip(t),this.popState(!0)},pushState(t=!1){if(this.p=this.list.get(this.name).param,!t){this.a="custom"!==this.p.pressure.type?n.random(-1,1):0,this.b="custom"!==this.p.pressure.type?n.random(1,1.5):0,this.cp="custom"!==this.p.pressure.type?n.random(3,3.5):n.random(-.2,.2);const[t,e]=this.p.pressure.min_max;this.min=t,this.max=e}this.c=e.color(this.c),this.mask=this.p.blend?"image"===this.p.type?c.mask2:c.mask:c.noBlend,a(),this.mask.push(),this.mask.noStroke(),"image"===this.p.type?this.mask.translate(r[0],r[1]):this.mask.translate(r[0]+e.width/2,r[1]+e.height/2),this.p.blend&&("image"!==this.p.type?c.blend(this.c):c.blend(this.c,!1,!0),t||this.markerTip())},popState(t=!1){this.p.blend&&!t&&this.markerTip(),this.mask.pop()},tip(t=!1){let e=t||this.calculatePressure(),i=this.calculateAlpha(e);if(this.applyColor(i),this.isInsideClippingArea())switch(this.p.type){case"spray":this.drawSpray(e);break;case"marker":this.drawMarker(e);break;case"custom":case"image":this.drawCustomOrImage(e,i);break;default:this.drawDefault(e)}},calculatePressure(){return this.plot?this.simPressure()*this.plot.pressure(this.position.plotted):this.simPressure()},simPressure(){return"custom"===this.p.pressure.type?n.map(this.p.pressure.curve(this.position.plotted/this.length)+this.cp,0,1,this.min,this.max,!0):this.gauss()},gauss(t=.5+v.p.pressure.curve[0]*v.a,e=1-v.p.pressure.curve[1]*v.b,i=v.cp,s=v.min,o=v.max){return n.map(1/(1+Math.pow(Math.abs((this.position.plotted-t*this.length)/(e*this.length/2)),2*i)),0,1,s,o)},calculateAlpha(t){return Math.floor(this.p.opacity*Math.pow(t,"marker"===this.p.type?.7:1.5))},applyColor(t){this.p.blend?this.mask.fill(255,0,0,t/2):(this.c.setAlpha(t),this.mask.fill(this.c))},isInsideClippingArea(){return!v.cr||this.position.x>=v.cr[0]&&this.position.x<=v.cr[2]&&this.position.y>=v.cr[1]&&this.position.y<=v.cr[3]},drawSpray(t){let e=this.w*this.p.vibration*t+this.w*randomGaussian()*this.p.vibration/3,i=this.p.weight*n.random(.9,1.1);const s=this.p.quality/t;for(let t=0;t<s;t++){let t=n.random(.9,1.1),s=t*e*n.random(-1,1),o=n.random(-1,1),r=Math.pow(t*e,2),a=Math.sqrt(r-Math.pow(s,2));this.mask.circle(this.position.x+s,this.position.y+o*a,i)}},drawMarker(t,e=!0){let i=e?this.w*this.p.vibration:0,s=e?i*n.random(-1,1):0,o=e?i*n.random(-1,1):0;this.mask.circle(this.position.x+s,this.position.y+o,this.w*this.p.weight*t)},drawCustomOrImage(t,e,i=!0){this.mask.push();let 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\ No newline at end of file