//bacteria image by https://www.flaticon.com/br/autores/smashiconsSmashicons from flaticon.com

let bacteria;

let bubbles = [];

let finish = false;

​

function preload(){

  bacteria = loadImage('bacterias.png');

}

​

function setup() {

  createCanvas(1250, 940);

}

​

function mousePressed(){

  if(finish === true) bubbles.splice(0, 1);

  finish = false;

  for(let i = 0; i < 50; i++){

    let b = new Bubble(random(width), random(height), random(20, 40), bacteria, bubbles.length + 1);

    bubbles.push(b);

  }

}

​

function testFinish(biggest){

  if(bubbles[biggest]){

    if(bubbles[biggest].score > 1000){

      finish = true;

      bubbles[0] = bubbles[biggest];

    }

  }

}

​

function checksBubbles(bubble, bubble2){

  let smallest = 0;

  let biggest = 0;

  if(bubble != bubble2){

    if(bubble.intersects(bubble2.x, bubble2.y)){

      if(bubble.d > bubble2.d){

        smallest = bubbles.indexOf(bubble2);

        biggest = bubbles.indexOf(bubble);

      }else{

        smallest = bubbles.indexOf(bubble);

        biggest = bubbles.indexOf(bubble2)

      }

      if(bubbles[biggest] && bubbles[smallest]){

        bubbles[biggest].d += bubbles[smallest].d / 2;

        bubbles[biggest].score += ceil(bubbles[smallest].d / 2);

        bubbles[biggest].eatedBalls++;

        bubbles.splice(smallest, 1);

        testFinish(biggest);

      }

    }

  }

  if(bubbles.length === 1) finish = true;  

}

​

function winner(score, eatedBalls, n){

  let text1 = `We have a survivor!!

    The Bacteria nº ${n} ate ${eatedBalls} enemies

    and finished with ${score} score points!!`;

  textSize(60);

  textAlign(CENTER);

  noStroke();

  fill(255);

  text(text1, width / 2, height / 2);

}

​

function quantityOfBubbles(){

  let text1 = bubbles.length + " bacterias on the screen";

  fill(235, 100, 200, 70);

  rect(10, 10, 420, 40);

  textSize(30);

  textAlign(LEFT);

  textStyle(BOLD);

  noStroke();

  fill(255);

  text(text1, 20, 40);

}

​

function draw() {

  background(0);

  if(finish) winner(bubbles[0].score, bubbles[0].eatedBalls, bubbles[0].n);

  else{

    for(let bubble of bubbles){

      //Stalker(bubble, bubbles);

      bubble.move();

      bubble.show(); 

      for(let bubble2 of bubbles){

        checksBubbles(bubble, bubble2);

      }

    }

    quantityOfBubbles();

  }

}