p5.brush.js

!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e((t="undefined"!=typeof globalThis?globalThis:t||self).brush={})}(this,(function(t){"use strict";function e(t,e){let s=new i(t),n=()=>s.next();return n.double=()=>n()+11102230246251565e-32*(2097152*n()|0),n.int32=()=>4294967296*s.next()|0,n.quick=n,function(t,e,i){let s=i&&i.state;s&&("object"==typeof s&&e.copy(s,e),t.state=()=>e.copy(e,{}))}(n,s,e),n}class i{constructor(t){null==t&&(t=+new Date);let e=4022871197;function i(t){t=String(t);for(let i=0;i<t.length;i++){e+=t.charCodeAt(i);let s=.02519603282416938*e;e=s>>>0,s-=e,s*=e,e=s>>>0,s-=e,e+=4294967296*s}return 2.3283064365386963e-10*(e>>>0)}this.c=1,this.s0=i(" "),this.s1=i(" "),this.s2=i(" "),this.s0-=i(t),this.s0<0&&(this.s0+=1),this.s1-=i(t),this.s1<0&&(this.s1+=1),this.s2-=i(t),this.s2<0&&(this.s2+=1)}next(){let{c:t,s0:e,s1:i,s2:s}=this,n=2091639*e+2.3283064365386963e-10*t;return this.s0=i,this.s1=s,this.s2=n-(this.c=0|n)}copy(t,e){return e.c=t.c,e.s0=t.s0,e.s1=t.s1,e.s2=t.s2,e}}let s,n=!1,o=!1,r=!1,a=!1;function h(t=!1){let e=!(!r||!t)&&a;n&&l(!1),!t&&r&&(t=a),s=t||window.self,y.load(e),o=!0}function l(t=!0){n&&(y.masks[0].remove(),y.masks[0]=null,y.masks[1].remove(),y.masks[1]=null,y.masks[2].remove(),y.masks[2]=null,t&&brush.load())}function c(){n||(o||h(),z.create(),A(s.width/250),n=!0)}let m=new e(Math.random());const d={random:(t=0,e=1)=>t+m()*(e-t),randInt(t,e){return Math.floor(this.random(t,e))},gaussian(t=0,e=1){const i=1-m(),s=m();return Math.sqrt(-2*Math.log(i))*Math.cos(2*Math.PI*s)*e+t},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(m()*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;d.c[i]=Math.cos(t),d.s[i]=Math.sin(t)}this.isPrecalculationDone=!0},isNumber:t=>!isNaN(t),toDegrees:t=>(("radians"===s.angleMode()?180*t/Math.PI:t)%360+360)%360,dist:(t,e,i,s)=>Math.hypot(i-t,s-e)};function u(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,m=s.x,d=s.y;if(o===a&&r===h||l===m&&c===d)return!1;let u=a-o,p=h-r,f=m-l,v=d-c,g=v*u-f*p;if(0===g)return!1;let x=(f*(r-c)-v*(o-l))/g,y=(u*(r-c)-p*(o-l))/g;return!(!n&&(y<0||y>1))&&{x:o+x*u,y:r+x*p}}function p(t,e,i,s){return(Math.atan2(-(s-e),i-t)*(180/Math.PI)%360+360)%360}d.preCalculation();const f={field:{},stroke:{},hatch:{},fill:{},others:{}};const v={translation:[0,0],rotation:0,trans(){return this.translation=[s._renderer.uModelMatrix.mat4[12],s._renderer.uModelMatrix.mat4[13]],this.translation}};let g=1;function x(t){g*=t}const y={loaded:!1,isBlending:!1,isCaching:!0,currentColor:new Float32Array(3),load(t){this.type=r&&!t?0:t?2:1,this.masks=[];for(let e=0;e<3;e++)switch(this.type){case 0:this.masks[e]=s.createGraphics(s.width,s.height,1==e?s.WEBGL:s.P2D);break;case 1:this.masks[e]=createGraphics(s.width,s.height,1==e?WEBGL:P2D);break;case 2:this.masks[e]=t.createGraphics(t.width,t.height,1==e?t.WEBGL:t.P2D)}for(let t of this.masks)t.pixelDensity(s.pixelDensity()),t.clear(),t.angleMode(s.DEGREES),t.noSmooth();this.shader=s.createShader(this.vert,this.frag),y.loaded=!0},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,e=!1,i=!1){if(c(),this.isBlending=i?this.blending1:this.blending2,this.currentColor=i?this.color1:this.color2,!this.isBlending)if(t)this.currentColor=this.getPigment(t),i?(this.blending1=!0,this.color1=this.currentColor):(this.blending2=!0,this.color2=this.currentColor);else if(e)return void(i||w());if((t?this.getPigment(t):this.currentColor).toString()!==this.currentColor.toString()||e||!this.isCaching){if(w(),this.isBlending){s.push(),s.translate(-v.trans()[0],-v.trans()[1]),s.shader(this.shader),this.shader.setUniform("addColor",this.currentColor),this.shader.setUniform("source",s._renderer),this.shader.setUniform("active",y.watercolor),this.shader.setUniform("random",[d.random(),d.random(),d.random()]);let t=i?this.masks[1]:this.masks[0];this.shader.setUniform("mask",t),s.fill(0,0,0,0),s.noStroke(),s.rect(-s.width/2,-s.height/2,s.width,s.height),s.pop(),t.clear()}e||(this.currentColor=this.getPigment(t),i?this.color1=this.currentColor:this.color2=this.currentColor)}e&&(this.isBlending=!1,i?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        #ifndef SPECTRAL\n        #define SPECTRAL\n        float x(float v){return v<.04045?v/12.92:pow((v+.055)/1.055,2.4);}float v(float v){return v<.0031308?v*12.92:1.055*pow(v,1./2.4)-.055;}vec3 m(vec3 v){return vec3(x(v[0]),x(v[1]),x(v[2]));}vec3 f(vec3 f){return clamp(vec3(v(f[0]),v(f[1]),v(f[2])),0.,1.);}void f(vec3 v,out float m,out float f,out float x,out float y,out float z,out float i,out float r){m=min(v.x,min(v.y,v.z));v-=m;f=min(v.y,v.z);x=min(v.x,v.z);y=min(v.x,v.y);z=min(max(0.,v.x-v.z),max(0.,v.x-v.y));i=min(max(0.,v.y-v.z),max(0.,v.y-v.x));r=min(max(0.,v.z-v.y),max(0.,v.z-v.x));}void f(vec3 v,inout float i[38]){float x,y,d,z,o,m,e;f(v,x,y,d,z,o,m,e);i[0]=max(1e-4,x+y*.96853629+d*.51567122+z*.02055257+o*.03147571+m*.49108579+e*.97901834);i[1]=max(1e-4,x+y*.96855103+d*.5401552+z*.02059936+o*.03146636+m*.46944057+e*.97901649);i[2]=max(1e-4,x+y*.96859338+d*.62645502+z*.02062723+o*.03140624+m*.4016578+e*.97901118);i[3]=max(1e-4,x+y*.96877345+d*.75595012+z*.02073387+o*.03119611+m*.2449042+e*.97892146);i[4]=max(1e-4,x+y*.96942204+d*.92826996+z*.02114202+o*.03053888+m*.0682688+e*.97858555);i[5]=max(1e-4,x+y*.97143709+d*.97223624+z*.02233154+o*.02856855+m*.02732883+e*.97743705);i[6]=max(1e-4,x+y*.97541862+d*.98616174+z*.02556857+o*.02459485+m*.013606+e*.97428075);i[7]=max(1e-4,x+y*.98074186+d*.98955255+z*.03330189+o*.0192952+m*.01000187+e*.96663223);i[8]=max(1e-4,x+y*.98580992+d*.98676237+z*.05185294+o*.01423112+m*.01284127+e*.94822893);i[9]=max(1e-4,x+y*.98971194+d*.97312575+z*.10087639+o*.01033111+m*.02636635+e*.89937713);i[10]=max(1e-4,x+y*.99238027+d*.91944277+z*.24000413+o*.00765876+m*.07058713+e*.76070164);i[11]=max(1e-4,x+y*.99409844+d*.32564851+z*.53589066+o*.00593693+m*.70421692+e*.4642044);i[12]=max(1e-4,x+y*.995172+d*.13820628+z*.79874659+o*.00485616+m*.85473994+e*.20123039);i[13]=max(1e-4,x+y*.99576545+d*.05015143+z*.91186529+o*.00426186+m*.95081565+e*.08808402);i[14]=max(1e-4,x+y*.99593552+d*.02912336+z*.95399623+o*.00409039+m*.9717037+e*.04592894);i[15]=max(1e-4,x+y*.99564041+d*.02421691+z*.97137099+o*.00438375+m*.97651888+e*.02860373);i[16]=max(1e-4,x+y*.99464769+d*.02660696+z*.97939505+o*.00537525+m*.97429245+e*.02060067);i[17]=max(1e-4,x+y*.99229579+d*.03407586+z*.98345207+o*.00772962+m*.97012917+e*.01656701);i[18]=max(1e-4,x+y*.98638762+d*.04835936+z*.98553736+o*.0136612+m*.9425863+e*.01451549);i[19]=max(1e-4,x+y*.96829712+d*.0001172+z*.98648905+o*.03181352+m*.99989207+e*.01357964);i[20]=max(1e-4,x+y*.89228016+d*8.554e-5+z*.98674535+o*.10791525+m*.99989891+e*.01331243);i[21]=max(1e-4,x+y*.53740239+d*.85267882+z*.98657555+o*.46249516+m*.13823139+e*.01347661);i[22]=max(1e-4,x+y*.15360445+d*.93188793+z*.98611877+o*.84604333+m*.06968113+e*.01387181);i[23]=max(1e-4,x+y*.05705719+d*.94810268+z*.98559942+o*.94275572+m*.05628787+e*.01435472);i[24]=max(1e-4,x+y*.03126539+d*.94200977+z*.98507063+o*.96860996+m*.06111561+e*.01479836);i[25]=max(1e-4,x+y*.02205445+d*.91478045+z*.98460039+o*.97783966+m*.08987709+e*.0151525);i[26]=max(1e-4,x+y*.01802271+d*.87065445+z*.98425301+o*.98187757+m*.13656016+e*.01540513);i[27]=max(1e-4,x+y*.0161346+d*.78827548+z*.98403909+o*.98377315+m*.22169624+e*.01557233);i[28]=max(1e-4,x+y*.01520947+d*.65738359+z*.98388535+o*.98470202+m*.32176956+e*.0156571);i[29]=max(1e-4,x+y*.01475977+d*.59909403+z*.98376116+o*.98515481+m*.36157329+e*.01571025);i[30]=max(1e-4,x+y*.01454263+d*.56817268+z*.98368246+o*.98537114+m*.4836192+e*.01571916);i[31]=max(1e-4,x+y*.01444459+d*.54031997+z*.98365023+o*.98546685+m*.46488579+e*.01572133);i[32]=max(1e-4,x+y*.01439897+d*.52110241+z*.98361309+o*.98550011+m*.47440306+e*.01572502);i[33]=max(1e-4,x+y*.0143762+d*.51041094+z*.98357259+o*.98551031+m*.4857699+e*.01571717);i[34]=max(1e-4,x+y*.01436343+d*.50526577+z*.98353856+o*.98550741+m*.49267971+e*.01571905);i[35]=max(1e-4,x+y*.01435687+d*.5025508+z*.98351247+o*.98551323+m*.49625685+e*.01571059);i[36]=max(1e-4,x+y*.0143537+d*.50126452+z*.98350101+o*.98551563+m*.49807754+e*.01569728);i[37]=max(1e-4,x+y*.01435408+d*.50083021+z*.98350852+o*.98551547+m*.49889859+e*.0157002);}vec3 t(vec3 x){mat3 i;i[0]=vec3(3.24306333,-1.53837619,-.49893282);i[1]=vec3(-.96896309,1.87542451,.04154303);i[2]=vec3(.05568392,-.20417438,1.05799454);float v=dot(i[0],x),y=dot(i[1],x),o=dot(i[2],x);return f(vec3(v,y,o));}vec3 d(float m[38]){vec3 i=vec3(0);i+=m[0]*vec3(6.469e-5,1.84e-6,.00030502);i+=m[1]*vec3(.00021941,6.21e-6,.00103681);i+=m[2]*vec3(.00112057,3.101e-5,.00531314);i+=m[3]*vec3(.00376661,.00010475,.01795439);i+=m[4]*vec3(.01188055,.00035364,.05707758);i+=m[5]*vec3(.02328644,.00095147,.11365162);i+=m[6]*vec3(.03455942,.00228226,.17335873);i+=m[7]*vec3(.03722379,.00420733,.19620658);i+=m[8]*vec3(.03241838,.0066888,.18608237);i+=m[9]*vec3(.02123321,.0098884,.13995048);i+=m[10]*vec3(.01049099,.01524945,.08917453);i+=m[11]*vec3(.00329584,.02141831,.04789621);i+=m[12]*vec3(.00050704,.03342293,.02814563);i+=m[13]*vec3(.00094867,.05131001,.01613766);i+=m[14]*vec3(.00627372,.07040208,.0077591);i+=m[15]*vec3(.01686462,.08783871,.00429615);i+=m[16]*vec3(.02868965,.09424905,.00200551);i+=m[17]*vec3(.04267481,.09795667,.00086147);i+=m[18]*vec3(.05625475,.09415219,.00036904);i+=m[19]*vec3(.0694704,.08678102,.00019143);i+=m[20]*vec3(.08305315,.07885653,.00014956);i+=m[21]*vec3(.0861261,.0635267,9.231e-5);i+=m[22]*vec3(.09046614,.05374142,6.813e-5);i+=m[23]*vec3(.08500387,.04264606,2.883e-5);i+=m[24]*vec3(.07090667,.03161735,1.577e-5);i+=m[25]*vec3(.05062889,.02088521,3.94e-6);i+=m[26]*vec3(.03547396,.01386011,1.58e-6);i+=m[27]*vec3(.02146821,.00810264,0);i+=m[28]*vec3(.01251646,.0046301,0);i+=m[29]*vec3(.00680458,.00249138,0);i+=m[30]*vec3(.00346457,.0012593,0);i+=m[31]*vec3(.00149761,.00054165,0);i+=m[32]*vec3(.0007697,.00027795,0);i+=m[33]*vec3(.00040737,.00014711,0);i+=m[34]*vec3(.00016901,6.103e-5,0);i+=m[35]*vec3(9.522e-5,3.439e-5,0);i+=m[36]*vec3(4.903e-5,1.771e-5,0);i+=m[37]*vec3(2e-5,7.22e-6,0);return i;}float d(float y,float m,float v){float z=m*pow(v,2.);return z/(y*pow(1.-v,2.)+z);}vec3 f(vec3 v,vec3 y,float z){vec3 x=m(v),o=m(y);float i[38],a[38];f(x,i);f(o,a);float r=d(i)[1],e=d(a)[1];z=d(r,e,z);float s[38];for(int u=0;u<38;u++){float p=(1.-z)*(pow(1.-i[u],2.)/(2.*i[u]))+z*(pow(1.-a[u],2.)/(2.*a[u]));s[u]=1.+p-sqrt(pow(p,2.)+2.*p);}return t(d(s));}vec4 f(vec4 v,vec4 x,float y){return vec4(f(v.xyz,x.xyz,y),mix(v.w,x.w,y));}\n        #endif\n        float d(vec2 m,vec2 v,float y,out vec2 i){vec2 f=vec2(m.x+m.y*.5,m.y),x=floor(f),o=fract(f);float z=step(o.y,o.x);vec2 d=vec2(z,1.-z),r=x+d,e=x+1.,a=vec2(x.x-x.y*.5,x.y),p=vec2(a.x+d.x-d.y*.5,a.y+d.y),s=vec2(a.x+.5,a.y+1.),w=m-a,g=m-p,k=m-s;vec3 u,c,t,A;if(any(greaterThan(v,vec2(0)))){t=vec3(a.x,p.x,s);A=vec3(a.y,p.y,s.y);if(v.x>0.)t=mod(vec3(a.x,p.x,s),v.x);if(v.y>0.)A=mod(vec3(a.y,p.y,s.y),v.y);u=floor(t+.5*A+.5);c=floor(A+.5);}else u=vec3(x.x,r.x,e),c=vec3(x.y,r.y,e.y);vec3 S=mod(u,289.);S=mod((S*51.+2.)*S+c,289.);S=mod((S*34.+10.)*S,289.);vec3 b=S*.07482+y,C=cos(b),D=sin(b);vec2 h=vec2(C.x,D),B=vec2(C.y,D.y),E=vec2(C.z,D.z);vec3 F=.8-vec3(dot(w,w),dot(g,g),dot(k,k));F=max(F,0.);vec3 G=F*F,H=G*G,I=vec3(dot(h,w),dot(B,g),dot(E,k)),J=G*F,K=-8.*J*I;i=10.9*(H.x*h+K.x*w+(H.y*B+K.y*g)+(H.z*E+K.z*k));return 10.9*dot(H,I);}vec4 d(vec3 v,float x){return vec4(mix(v,vec3(dot(vec3(.299,.587,.114),v)),x),1);}float f(vec2 v,float x,float y,float f){return fract(sin(dot(v,vec2(x,y)))*f);}void main(){vec4 v=texture2D(mask,vVertTexCoord);if(v.x>0.){vec2 x=vec2(12.9898,78.233),o=vec2(7.9898,58.233),m=vec2(17.9898,3.233);float y=f(vVertTexCoord,x.x,x.y,43358.5453)*2.-1.,z=f(vVertTexCoord,o.x,o.y,43213.5453)*2.-1.,e=f(vVertTexCoord,m.x,m.y,33358.5453)*2.-1.;const vec2 i=vec2(0);vec2 s;vec4 r;if(active){float a=d(vVertTexCoord*5.,i,10.*random.x,s),p=d(vVertTexCoord*5.,i,10.*random.y,s),g=d(vVertTexCoord*5.,i,10.*random.z,s),k=.25+.25*d(vVertTexCoord*4.,i,3.*random.x,s);r=vec4(d(addColor.xyz,k).xyz+vec3(a,p,g)*.03*abs(addColor.x-addColor.y-addColor.z),1);}else r=vec4(addColor.xyz,1);if(v.w>.7){float a=.5*(v.w-.7);r=r*(1.-a)-vec4(.5)*a;}vec3 a=f(texture2D(source,vVertTexCoord).xyz,r.xyz,.9*v.w);gl_FragColor=vec4(a+.01*vec3(y,z,e),1);}}"};function w(){s.push(),s.translate(-v.trans()[0],-v.trans()[1]),s.image(y.masks[2],-s.width/2,-s.height/2),y.masks[2].clear(),s.pop()}function k(t){t.registerMethod("afterSetup",(()=>y.blend(!1,!0))),t.registerMethod("afterSetup",(()=>y.blend(!1,!0,!0))),t.registerMethod("post",(()=>y.blend(!1,!0))),t.registerMethod("post",(()=>y.blend(!1,!0,!0)))}function _(t,e){z.list.set(t,{gen:e}),z.current=t,z.refresh()}"undefined"!=typeof p5&&k(p5.prototype);const z={isActive:!1,list:new Map,current:"",step_length:()=>Math.min(s.width,s.height)/1e3,create(){this.R=.01*s.width,this.left_x=-1*s.width,this.top_y=-1*s.height,this.num_columns=Math.round(2*s.width/this.R),this.num_rows=Math.round(2*s.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(){_("curved",(function(t,e){let i=d.randInt(-25,-15);d.randInt(0,100)%2==0&&(i*=-1);for(let n=0;n<z.num_columns;n++)for(let o=0;o<z.num_rows;o++){let r=s.noise(.02*n+.03*t,.02*o+.03*t),a=d.map(r,0,1,-i,i);e[n][o]=3*a}return e})),_("truncated",(function(t,e){let i=d.randInt(-25,-15)+5*d.sin(t);d.randInt(0,100)%2==0&&(i*=-1);let n=d.randInt(5,10);for(let t=0;t<z.num_columns;t++)for(let o=0;o<z.num_rows;o++){let r=s.noise(.02*t,.02*o),a=Math.round(d.map(r,0,1,-i,i)/n)*n;e[t][o]=4*a}return e})),_("zigzag",(function(t,e){let i=d.randInt(-30,-15)+Math.abs(44*d.sin(t));d.randInt(0,100)%2==0&&(i*=-1);let s=i,n=0;for(let t=0;t<z.num_columns;t++){for(let i=0;i<z.num_rows;i++)e[t][i]=n,n+=s,s*=-1;n+=s,s*=-1}return e})),_("waves",(function(t,e){let i=d.randInt(10,15)+5*d.sin(t),s=d.randInt(3,6)+3*d.cos(t),n=d.randInt(20,35);for(let t=0;t<z.num_columns;t++)for(let o=0;o<z.num_rows;o++){let r=d.sin(i*t)*(n*d.cos(o*s))+d.randInt(-3,3);e[t][o]=r}return e})),_("seabed",(function(t,e){let i=d.random(.4,.8),s=d.randInt(18,26);for(let n=0;n<z.num_columns;n++)for(let o=0;o<z.num_rows;o++){let r=d.randInt(15,20),a=s*d.sin(i*o*n+r);e[n][o]=1.1*a*d.cos(t)}return e}))}};class b{constructor(t,e){this.update(t,e),this.plotted=0}update(t,e){this.x=t,this.y=e,z.isActive&&(this.x_offset=this.x-z.left_x+v.trans()[0],this.y_offset=this.y-z.top_y+v.trans()[1],this.column_index=Math.round(this.x_offset/z.R),this.row_index=Math.round(this.y_offset/z.R))}reset(){this.plotted=0}isIn(){return z.isActive?this.column_index>=0&&this.row_index>=0&&this.column_index<z.num_columns&&this.row_index<z.num_rows:this.isInCanvas()}isInCanvas(){let t=s.width,e=s.height;return this.x>=-t-v.trans()[0]&&this.x<=t-v.trans()[0]&&this.y>=-e-v.trans()[1]&&this.y<=e-v.trans()[1]}angle(){return this.isIn()&&z.isActive?z.flow_field()[this.column_index][this.row_index]:0}moveTo(t,e,i=C.spacing(),s=!0){if(this.isIn()){let n,o;s||(n=d.cos(-e),o=d.sin(-e));for(let r=0;r<t/i;r++){if(s){let t=this.angle();n=d.cos(t-e),o=d.sin(t-e)}let t=i*n,r=i*o;this.plotted+=i,this.update(this.x+t,this.y+r)}}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),o=i*d.cos(e-s),r=i*d.sin(e-s);this.plotted+=i*n,this.update(this.x+o,this.y+r)}}else this.plotted+=i/x}}function A(t){for(let e of Z){let i=C.list.get(e[0]).param;i.weight*=t,i.vibration*=t,i.spacing*=t}M=t}let M=1;const C={isActive:!0,list:new Map,c:"#000000",w:1,cr:null,name:"HB",spacing(){return this.p=this.list.get(this.name).param,"default"===this.p.type||"spray"===this.p.type?this.p.spacing/this.w:this.p.spacing},initializeDrawingState(t,e,i,s,n){this.position=new b(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?d.random(-1,1):0,this.b="custom"!==this.p.pressure.type?d.random(1,1.5):0,this.cp="custom"!==this.p.pressure.type?d.random(3,3.5):d.random(-.2,.2);const[t,e]=this.p.pressure.min_max;this.min=t,this.max=e}this.c=s.color(this.c),this.mask=this.p.blend?"image"===this.p.type?y.masks[1]:y.masks[0]:y.masks[2],v.trans(),this.mask.push(),this.mask.noStroke(),"image"===this.p.type?this.mask.translate(v.translation[0],v.translation[1]):this.mask.translate(v.translation[0]+s.width/2,v.translation[1]+s.height/2),this.mask.rotate(-v.rotation),this.mask.scale(g),this.p.blend&&(y.watercolor=!1,"image"!==this.p.type?y.blend(this.c):y.blend(this.c,!1,!0),t||this.markerTip()),this.alpha=this.calculateAlpha(),this.applyColor(this.alpha)},popState(t=!1){this.p.blend&&!t&&this.markerTip(),this.mask.pop()},tip(t=!1){let e=t||this.calculatePressure();if(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,this.alpha);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?d.map(this.p.pressure.curve(this.position.plotted/this.length)+this.cp,0,1,this.min,this.max,!0):this.gauss()},gauss(t=.5+C.p.pressure.curve[0]*C.a,e=1-C.p.pressure.curve[1]*C.b,i=C.cp,s=C.min,n=C.max){return d.map(1/(1+Math.pow(Math.abs((this.position.plotted-t*this.length)/(e*this.length/2)),2*i)),0,1,s,n)},calculateAlpha(){return"default"!==this.p.type&&"spray"!==this.p.type?this.p.opacity/this.w:this.p.opacity},applyColor(t){this.p.blend?this.mask.fill(255,0,0,t/2):(this.c.setAlpha(t),this.mask.fill(this.c))},isInsideClippingArea(){if(C.cr)return this.position.x>=C.cr[0]&&this.position.x<=C.cr[2]&&this.position.y>=C.cr[1]&&this.position.y<=C.cr[3];{let t=.55*s.width,e=.55*s.height;return this.position.x>=-t-v.trans()[0]&&this.position.x<=t-v.trans()[0]&&this.position.y>=-e-v.trans()[1]&&this.position.y<=e-v.trans()[1]}},drawSpray(t){let e=this.w*this.p.vibration*t+this.w*d.gaussian()*this.p.vibration/3,i=this.p.weight*d.random(.9,1.1);const s=this.p.quality/t;for(let t=0;t<s;t++){let t=d.random(.9,1.1),s=t*e*d.random(-1,1),n=d.random(-1,1),o=Math.pow(t*e,2),r=Math.sqrt(o-Math.pow(s,2));this.mask.circle(this.position.x+s,this.position.y+n*r,i)}},drawMarker(t,e=!0){let i=e?this.w*this.p.vibration:0,s=e?i*d.random(-1,1):0,n=e?i*d.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*d.random(-1,1):0,o=i?s*d.random(-1,1):0;this.mask.translate(this.position.x+n,this.position.y+o),this.adjustSizeAndRotation(this.w*t,e),this.p.tip(this.mask),this.mask.pop()},drawDefault(t){let e=this.w*this.p.vibration*(this.p.definition+(1-this.p.definition)*d.gaussian()*this.gauss(.5,.9,5,.2,1.2)/t);d.random(0,this.p.quality*t)>.4&&this.mask.circle(this.position.x+.7*e*d.random(-1,1),this.position.y+e*d.random(-1,1),t*this.p.weight*d.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(d.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);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"===C.p.type)for(let e=1;e<5;e++)this.drawMarker(t*e/5,!1);else if("custom"===C.p.type||"image"===C.p.type)for(let i=1;i<5;i++)this.drawCustomOrImage(t*i/5,e,!1)}}};function S(t,e){const i="marker"===e.type||"custom"===e.type||"image"===e.type;i||"spray"===e.type||(e.type="default"),"image"===e.type&&(B.add(e.image.src),e.tip=()=>C.mask.image(B.tips.get(C.p.image.src),-C.p.weight/2,-C.p.weight/2,C.p.weight,C.p.weight)),e.blend=!!(i&&!1!==e.blend||e.blend),C.list.set(t,{param:e,colors:[],buffers:[]})}function P(t,e,i=1){I(t),C.c=e,C.w=i,C.isActive=!0}function I(t){C.name=t}function D(t,e,i,s){c();let n=d.dist(t,e,i,s);if(0==n)return;C.initializeDrawingState(t,e,n,!1,!1);let o=p(t,e,i,s);C.draw(o,!1)}function T(t,e,i,s){c(),C.initializeDrawingState(e,i,t.length,!0,t),C.draw(s,!0)}const B={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(){for(let t of this.tips.keys()){let e=(r?a:window.self).loadImage(t,(()=>B.imageToWhite(e)));this.tips.set(t,e)}}};function E(t=5,e=45,i={rand:!1,continuous:!1,gradient:!1}){F.isActive=!0,F.hatchingParams=[t,e,i]}const F={isActive:!1,hatchingParams:[5,45,{}],hatchingBrush:!1,hatch(t){let e=F.hatchingParams[0],i=F.hatchingParams[1],s=F.hatchingParams[2],n=C.c,o=C.name,r=C.w,a=C.isActive;F.hatchingBrush&&P(F.hatchingBrush[0],F.hatchingBrush[1],F.hatchingBrush[2]),i=d.toDegrees(i)%180;let h=1/0,l=-1/0,c=1/0,m=-1/0,u=t=>{for(let e of t.a)h=e[0]<h?e[0]:h,l=e[0]>l?e[0]:l,c=e[1]<c?e[1]:c,m=e[1]>m?e[1]:m};Array.isArray(t)||(t=[t]);for(let e of t)u(e);let p=new V([[h,c],[l,c],[l,m],[h,m]]),f=i<=90&&i>=0?c:m,v=s.gradient?d.map(s.gradient,0,1,1,1.1,!0):1,g=[],x=0,y=e,w=t=>({point1:{x:h+y*t*d.cos(90-i),y:f+y*t*d.sin(90-i)},point2:{x:h+y*t*d.cos(90-i)+d.cos(-i),y:f+y*t*d.sin(90-i)+d.sin(-i)}});for(;p.intersect(w(x)).length>0;){let e=[];for(let i of t)e.push(i.intersect(w(x)));g[x]=e.flat().sort(((t,e)=>t.x===e.x?t.y-e.y:t.x-e.x)),y*=v,x++}let k=[];for(let t of g)void 0!==t[0]&&k.push(t);let _=s.rand?s.rand:0;for(let t=0;t<k.length;t++){let i=k[t],n=t>0&&s.continuous;for(let s=0;s<i.length-1;s+=2)0!==_&&(i[s].x+=_*e*d.random(-10,10),i[s].y+=_*e*d.random(-10,10),i[s+1].x+=_*e*d.random(-10,10),i[s+1].y+=_*e*d.random(-10,10)),D(i[s].x,i[s].y,i[s+1].x,i[s+1].y),n&&D(k[t-1][1].x,k[t-1][1].y,i[s].x,i[s].y)}P(o,n,r),C.isActive=a}},R=F.hatch;class V{constructor(t,e=!1){this.a=t,this.vertices=t.map((t=>({x:t[0],y:t[1]}))),e&&(this.vertices=t),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=u(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=C.isActive;if(t&&P(t,e,i),C.isActive){c();for(let t of this.sides)D(t[0].x,t[0].y,t[1].x,t[1].y)}C.isActive=s}fill(t=!1,e,i,s,n,o){let r=J.isActive;t&&(U(t,e),K(i,o),$(s,n)),J.isActive&&(c(),J.fill(this)),J.isActive=r}hatch(t=!1,e,i){let s=F.isActive;t&&E(t,e,i),F.isActive&&(c(),F.hatch(this)),F.isActive=s}erase(t=!1,e=j.a){if(j.isActive||t){y.masks[2].push(),y.masks[2].noStroke();let i=s.color(t||j.c);i.setAlpha(e),y.masks[2].fill(i),y.masks[2].beginShape();for(let t of this.vertices)y.masks[2].vertex(t.x,t.y);y.masks[2].endShape(s.CLOSE),y.masks[2].pop()}}show(){this.fill(),this.hatch(),this.draw(),this.erase()}}class G{constructor(t){this.segments=[],this.angles=[],this.pres=[],this.type=t,this.dir=0,this.calcIndex(0),this.pol=!1}addSegment(t=0,e=0,i=1,s=!1){this.angles.length>0&&this.angles.splice(-1),t=s?(t%360+360)%360:d.toDegrees(t),this.angles.push(t),this.pres.push(i),this.segments.push(e),this.length=this.segments.reduce(((t,e)=>t+e),0),this.angles.push(t)}endPlot(t=0,e=1,i=!1){t=i?(t%360+360)%360:d.toDegrees(t),this.angles.splice(-1),this.angles.push(t),this.pres.push(e)}rotate(t){this.dir=d.toDegrees(t)}pressure(t){return t>this.length?this.pres[this.pres.length-1]:this.curving(this.pres,t)}angle(t){return 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)),d.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++;return this.index}genPol(t,e,i=1,s=!1){c();const n=.5,o=[],r=Math.round(this.length/n),a=new b(t,e);let h=s?.15:3*J.bleed_strength,l=0,m=0;for(let t=0;t<r;t++){a.plotTo(this,n,n,1);let t=this.calcIndex(a.plotted);l+=n,(l>=this.segments[t]*h*d.random(.7,1.3)||t>=m)&&a.x&&(o.push([a.x,a.y]),l=0,t>=m&&m++)}return new V(o)}draw(t,e,i){C.isActive&&(c(),this.origin&&(t=this.origin[0],e=this.origin[1],i=1),T(this,t,e,i))}fill(t,e,i){J.isActive&&(c(),this.origin&&(t=this.origin[0],e=this.origin[1],i=1),this.pol=this.genPol(t,e,i),this.pol.fill())}hatch(t,e,i){F.isActive&&(c(),this.origin&&(t=this.origin[0],e=this.origin[1],i=1),this.pol=this.genPol(t,e,i,!0),this.pol.hatch())}erase(t,e,i){if(j.isActive){this.origin&&(t=this.origin[0],e=this.origin[1],i=1),this.pol=this.genPol(t,e,i,!0),y.masks[2].push(),y.masks[2].noStroke();let n=s.color(j.c);n.setAlpha(j.a),y.masks[2].fill(n),y.masks[2].beginShape();for(let t of 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