let emitters = []

​

​

let bacteriaNum = 200

let bacteriaRadius = 5

let bacteriaSpeed = 0.75

​

let emitterRadius = 2 * bacteriaRadius

let attractorNum = 0

let repelNum = 0

let emitterMovement = 0

let pulseSize = 40

let minPulseSpeed = 0.25

​

let chemicalMode = "ring"

let chemicalDecay = 0.999

​

​

let speedMod = 1

let attract

let repel

​

​

function setup() {

  createCanvas(windowWidth - 20, windowHeight - 20);

  ellipseMode(CENTER)

  attract = color(0, 255, 0,100)

  repel = color(255, 0, 0,100)

  for (b = 0; b < bacteriaNum; b++) {

    bacterium.push(new bacteria(random(0, width), random(0, height), bacteriaSpeed, attract, repel, 5))

  }

​

  for (e = 0; e < attractorNum; e++) {

    emitters.push(new emitter(random(0, width), random(0, height), attract, 1, 10, 0.5))

  }

  for (e = 0; e < repelNum; e++) {

    emitters.push(new emitter(random(0, width), random(0, height), repel, 1, 10, 0.5))

  }

​

  //noLoop()

}

​

function mousePressed(){

  if (mouseButton === LEFT) {

      emitters.push(new emitter(mouseX, mouseY, attract, 1, 10, 0.5))

    }

    if (mouseButton === CENTER) {

      emitters.push(new emitter(mouseX, mouseY, repel, 1, 10, 0.5))

    }

  return false

}

​

function draw() {

  background(0);

  for (let b of bacterium) {

    b.update()

    b.draw()

  }

​

  for (let e of emitters) {

    //e.update()

    e.emit()

    e.draw()

  }

}