Genuary 22: Gradients only.

let simplex

​

let colors=["#1c4d32","#537c59","#2c3a60","#9e523c","#dd995c","#4a3111","#d6c5b6"]

let nodes=[]

let angleDivergence

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function preload(){

font= loadFont('FamiljenGrotesk-VariableFont_wght.ttf')

}

​

function setup() {

​

  angleDivergence= PI/3

  createCanvas(400, 400); 

  background('#f4f1de')

  simplex= new openSimplexNoise(Date.now())

​

  background('#D8D5BD') 

​

​

  branch(200,350, 200, 200, 100, -HALF_PI)

​

  fill('#f4f1de')

  noStroke()

  rect(0, 0, width, 60)

  rect(0, 0, 60, height)

  rect(340, 0, 60, height)

  rect(0, 340, width, 60)

  noFill()

  stroke(100)

  textFont(font)

   fill(100)

  strokeWeight(1)

  stroke(100)

  text('1.22', 20, 380)  

}

​

function branch(x, y, x2, y2, length, angle){

noStroke()

  //stroke(0, 10)

  for(let i=0; i<=1; i+=0.05){

    let c1= colorPicker(x, y)

    let c2= colorPicker(x2, y2)

    let c= color(spectral.mix(c1, c2, i))

    let s=lerp(length, length/2, i)

    let p1= createVector(x, y)

    let p2= createVector(x2, y2)

    let p=p5.Vector.lerp(p1, p2, i)

    fill(c)

    ellipse(p.x, p.y, s)

  }

//  line(x, y, x2, y2)

  //fill(0)

​

  nodes.push(createVector(x2, y2))

  if(length>6){

    let newL= length*0.5

    for(let i=0; i<10; i++){

      let newAngle= angle+ random(angleDivergence, -angleDivergence);

      let newPos= createVector(x2+cos(newAngle)*newL, y2+sin(newAngle)*newL)

      let ok= true

      for(let n of nodes){

        if(dist(newPos.x, newPos.y, n.x, n.y)<length/4){

          ok=false

          break

        }

      }

        if(ok==true){

          branch(x2, y2, newPos.x, newPos.y, length*0.5, newAngle)

      }

    }

  }

}

​

function colorPicker(x, y){

  let ci= floor(noise(x*10, y*10)*colors.length)

  let c= colors[ci]

  return c

}

​

​

​

function colorMixer(x,y, a,colorArray) {

  let c = noise((x+y)/100, a) * colorArray.length

  let c1 = floor(c)

  let c2 = floor(c + 1) % colorArray.length

  let color1 = colorArray[c1]

  let color2 = colorArray[c2]

  let mix = fract(c)

  let coloring = spectral.mix(color1, color2, mix)

  return coloring

}

​