//var points = [];

var vehicles= [];

​

let n= 0;

let c= 55;

let size

let an=137.5;

let zoomout=250;

​

// function preload(){

//   font = loadFont('"http://localhost/ZonaProBold.otf');

// }

function setup(){

  createCanvas(800,500);

  background(0);

  colorMode(HSB);

  angleMode(DEGREES);

  // for(var i= 0; i< 500; i++)

  //   {points[i]= createVector(i*2,200+80*sin(i/8))//+(i*pow(-1,i)));

  //     }

​

while(n<800)

  {   //an=cos(n) +144.5

   // an-=0.001;

var a= n * an;

​

var r= c *sqrt(n) *n/zoomout

var col=a%256;    // n* sin(n)*2/200;

size=cos(n)*1.5+2.5;

var x= r * sin(a) + width/2;

var y= r * cos(a)+ height/2;

​

//points[n]=createVector(x,y);

//var vehicle= new Vehicle(x,y,col,size);

vehicles.push(new Vehicle(x,y,col,size));

n++;

}

​

​

​

​

​

​

​

  // for(var i= 0; i< points.length; i++){

  //   var pt=points[i];

  //   var vehicle= new Vehicle(pt.x,pt.y);

  //   vehicles.push(vehicle);

  //   //point(pt.x,pt.y)

  // }

​

}

​

function draw(){

  background(0);

  for(var i = 0; i<vehicles.length; i++)

    {var v= vehicles[i];

      v.behaviors();

      v.update();

      v.show();}

​

       if(mouseIsPressed || (keyIsPressed && key ==' '))

  {for(var i = 0; i<vehicles.length; i++)

    {var v= vehicles[i];

      v.pos= createVector(random(width)*1,random(height)*1)}

}

​

​

if(keyIsPressed )

{ if(key=='=') zoomout-=100;

  else if (key=='-') zoomout+=100;

  else if(key=='r') zoomout*=-1;  

  console.log(zoomout)

​

​

​

  an=137.5;

  for(var i = 0; i<vehicles.length; i++)

    {var v= vehicles[i];

      an-=0.001;

      var a=i * an;

      var r= c *sqrt(i) *i/zoomout;

      var x= r * sin(a) + width/2;

      var y= r * cos(a)+ height/2;

​

​

      v.target= createVector(x,y);}

}

​

}

​

​

function Vehicle(x,y,col,z) {

  this.pos= createVector(random(width)*1,random(height)*1);

  this.acc= createVector();

  this.vel= createVector();

  this.target = createVector(x,y)

  this.maxspeed=18;

  this.maxforce =20.5;

  this.r= random(20,255);

  this.g= random(20,255);

  this.b= random(20,255);

    this.col=col;

    this.z=z;

}

​

Vehicle.prototype.behaviors= function(){

var arrive = this.arrive(this.target);

​

var mouse =  createVector(mouseX,mouseY);

var flee= this.flee(mouse);

​

flee.mult(5);

this.applyForce(flee);

this.applyForce(arrive)

​

}

​

Vehicle.prototype.flee = function(target){

  var desired = p5.Vector.sub(target,this.pos);

  var d= desired.mag();

  if(d<100){

  desired.setMag(this.maxspeed);

  desired.mult(-1);

  var steer = p5.Vector.sub(desired, this.vel)

  steer.limit(this.maxforce)

​

  return steer;}

​

  else return createVector(0,0)

}

​

Vehicle.prototype.arrive = function(target){

  var desired = p5.Vector.sub(target,this.pos);

  var d= desired.mag(); //dist(this.pos.x,this.pos.y,target.x,target.y)

  var speed = this.maxspeed;

  if(d<100){

    speed = map(d,0,100,0.2,this.maxspeed)

  }   

  desired.setMag(speed);

  var steer = p5.Vector.sub(desired, this.vel)

  steer.limit(this.maxforce)

  return steer;

}

​

Vehicle.prototype.applyForce = function(f){

this.acc.add(f);

}

​

​

Vehicle.prototype.update= function(){

  this.pos.add(this.vel);

  this.vel.add(this.acc);

  this.acc.mult(0); 

​

}

​

Vehicle.prototype.show = function(){

  fill(this.col,255,255);

  //strokeWeight(3)

  noStroke();

  ellipse(this.pos.x,this.pos.y,this.z,this.z)

}