// Coding Challenge 6: Mitosis Simulation

// https://youtu.be/jxGS3fKPKJA

​

function Cell(pos, r, c) {

​

  if (pos) {

    this.pos = pos.copy();

  } else {

    this.pos = createVector(width/2, height/2);

  }

​

  this.r = r || 60;

  this.c = c || color(random(100, 255), 0, random(100, 255), 100);

​

  this.clicked = function(x, y) {

    var d = dist(this.pos.x, this.pos.y, x, y);

    if (d < this.r) {

      return true;

    } else {

      return false;

    }

  }

​

  this.mitosis = function() {

    this.pos.x += random(-this.r, this.r);

    this.pos.y += random(-this.r, this.r);

    var cell = new Cell(this.pos, this.r * 0.8, this.c);

    return cell;

  }

​

  this.move = function() {

    var vel = p5.Vector.random2D();

    this.pos.add(vel);

    if (this.pos.x<this.r){

      this.pos.x=this.r;

    }

    if (this.pos.y<this.r){

      this.pos.y=this.r;

    }

    if (this.pos.x>width-this.r){

      this.pos.x=width-this.r;

    }

    if (this.pos.y>height-this.r){

      this.pos.y=height-this.r;

    }

  }

​

  this.show = function() {

    noStroke();

    fill(this.c);

    ellipse(this.pos.x, this.pos.y, 2 * this.r, 2 * this.r)

  }

​

  this.maketangent = (other) => {

    let limit = 0;

    while (this.overlap(other)) {

      if (limit > 1000) {

        break;

      }

      if (this.r < other.r) {

        this.pos.x += random(-1, +1);

        this.pos.y += random(-1, +1);

      } else {

        other.pos.x += random(-1, +1);

        other.pos.y += random(-1, +1);

      }

    }

  }

​

  this.overlap = (other) => {

    let d = dist(this.pos.x, this.pos.y, other.pos.x, other.pos.y);

    return (d < this.r + other.r);

  }

}