let creature1 = {

  x: 100,

  y: 100,

  size: 120,

  col: '#e466a0',

  eyeCol: '#ff0010',

  strokeCol: '#ffcc00',

  speedX: 3,

  speedY: 0.1,

  growRate: 1,

  health: 300,

  declineRate: 0.75,

}

​

let creature2 = {

  x: 200,

  y: 300,

  size: 100,

  col: '#1966a0',

  eyeCol: '#ffcc00',

  strokeCol: '#ff0010', 

  speedX: 5,

  speedY: 2,

  growRate: 1,

  health: 300,

  declineRate: 1,

}

​

let creature3 = {

  x: 50,

  y: 20,

  size: 95,

  col: '#ffa0a0',

  eyeCol: '#ffa0c00',

  strokeCol: '#ff0010', 

  speedX: 5,

  speedY: 2,

  growRate: 1,

  health: 300,

  declineRate: 1.2,

}

​

function setup(){

  createCanvas(600, 600)

}

​

function draw() {

  background(220);

  let creature_list = [creature1, creature2, creature3]

  creature_list.forEach((creature) => {

    updateCreature(creature)

    if (checkHealth(creature)){

      drawCreature(creature)

    }

    })

​

}

​

function checkHealth(creature){

    if (creature.health >= 0){

        return true

    }else{

        return false

    }    

}

​

function updateCreature(creature){

  moveCreature(creature)

  checkEdges(creature)

  growCreature(creature)

  creature.health = creature.health - creature.declineRate

​

}

​

​

function drawCreature(creature){

  fill_color = color(creature.col)

  fill_color.setAlpha(creature.health)

  fill(fill_color)

  circle(creature.x, creature.y, creature.size)

  stroke(creature.strokeCol)

  eye_color = color(creature.eyeCol)

  eye_color.setAlpha(creature.health)

  drawEyes(creature.x, creature.y, creature.size, eye_color)

​

​

}

​

function drawEyes(x,y,sz,eyeCol){

  fill(eyeCol)

  circle(x - 20, y - 20, sz/10)

  circle(x + 20, y - 20, sz/10)

}

​

function moveCreature(creature){

  creature.x = creature.x + creature.speedX

  creature.y = creature.y + creature.speedY

}

​

function checkEdges(creature){

  if(creature.x < 0 || creature.x > 600){

    creature.speedX = creature.speedX * -1

  }

​

  if(creature.y < 0 || creature.x > 600){

    creature.speedY = creature.speedY * -1

  }

}

​

function growCreature(creature){

  if(creature.size < maxSize){

   creature.size = creature.size + creature.growRate 

  }else{

    resetCreature(creature)

  }

}

​

function resetCreature(creature){

    creature.size = random(10,100)

    creature.col = pickRandomColor()

    creature.eyeCol = pickRandomColor()

    creature.strokeCol = pickRandomColor()

}

​

function pickRandomColor(){

  return [random(255),random(255),random(255)]

}