let mothsY;

let prey;

let labels = ['škola', 'robota', 'ženy']

let desireX = [0, 0, 0]

let desireY = [0, 0, 0]

let noiseVal = 4;

let desireVal = 0.02;

let offSet;

​

function setup() {

  offSet = [random(1000),random(1000),random(1000)]

  prey = {x: random(width), y: random(height)}

  mothsX = [random(width), random(width), random(width)]

  mothsY = [random(height), random(height), random(height)]

  createCanvas(windowWidth, windowHeight);

  sliderDesire = createSlider(0, 100, 50);

  sliderDesire.position(10, 10);

  sliderDesire.style('width', '80px');

  sliderNoise = createSlider(0, 100, 50);

  sliderNoise.position(120, 10);

  sliderNoise.style('width', '80px');

  colorMode(HSB)

  background(220, 90, 10)

  noStroke()

}

​

function generatePositions() {

  for(let i = 0; i < mothsX.length; i++) {

    mothsX[i] = mothsX[i] + desireX[i] + map(noise(frameCount / 100 + offSet[i]), 0, 1, -noiseVal, noiseVal)

  }

  for(let i = 0; i < mothsY.length; i++) {

    mothsY[i] = mothsY[i] + desireY[i] + map(noise(0, frameCount / 100 + offSet[i]), 0, 1, -noiseVal, noiseVal)

  }

}

​

function calculateDesires() {

  for(let i = 0; i < mothsX.length; i++) {

    desireX[i] = (prey.x - mothsX[i]) * desireVal

  }

  for(let i = 0; i < mothsY.length; i++) {

    desireY[i] = (prey.y - mothsY[i]) * desireVal

  }

}

​

function drawMoths() {

  fill(noise(frameCount/100) * 360, 90, 90)

  for(let i = 0; i < mothsX.length; i++) {

      text(labels[i], mothsX[i], mothsY[i])

  }

}

​

function draw() {

    textSize(24)

  noiseVal = map(sliderNoise.value(), 0, 100, 0, 20)

  desireVal = map(sliderDesire.value(), 0, 100, 0, 0.1)

  fill(200, 30, 100)

  prey = {x: noise(frameCount /50) * width, y: noise(frameCount/100, frameCount/50) * height}

  text('ja', prey.x, prey.y)

  background(220, 90, 10, 0.3);

  drawMoths()

  calculateDesires()

  generatePositions()

}