let sick_creatures; 

num_creatures = 50

num_sick_creatures = 1 

​

function setup() {

  createCanvas(1400, 700);

  creatures = 

    Array.from({length: num_creatures}, (el, idx) => {

    return new Dot(random(5, width - 50), random(50, height - 50), random(25, 50), false) 

  })

  sick_creatures = Array.from({length: num_sick_creatures}, (el, idx) => {

    return new Dot(random(5, width - 50), random(50, height - 50), random(25, 50), true) 

  })

  bg = loadImage('sun.jpeg');

}

​

function draw() {

  background(bg);

  new_sick_creatures = Array()

  for (let j = 0; j < sick_creatures.length; j++) {

    sick_creature = sick_creatures[j];

    if(typeof sick_creature !== "undefined") 

    {

         if (sick_creature.health > 0) {

          sick_creature.update()

          sick_creature.render()   

        }

    } 

  }

​

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

    creature = creatures[i];

    for (let j = 0; j < sick_creatures.length; j++) {

      sick_creature = sick_creatures[j]

      if(typeof sick_creature !== "undefined") {

        if (creature.checkCollision(sick_creature)) { 

          new_sick_creatures.push(i)

        }   

      }

    } 

​

    if (creature.health > 0) {

      creature.update()

      creature.render()   

    }

  }

  new_sick_creatures.forEach(new_sick_creature => {

    sick_creature = creatures[new_sick_creature];

    creatures.splice(new_sick_creature, 1)

    sick_creatures.push(sick_creature)

  }

  )

}