let debug = true;

​

//Flowfield object

let flowfield;

//an ArrayList of vehicles

let vehicles = [];

​

function setup() {

  let text = createP("Click to generate a new flow field");

  text.position(15, 5);

​

  createCanvas(560,390);

  //make a new flow field with "resolution" of 16

  flowfield = new FlowField(20);

  //make a whole bunch of vehicles with random maxspeed and maxforce values

  for (let i = 0; i < 120; i++) {

    vehicles.push(new Vehicle(random(width), random(height), random(2, 5), random(0.1, 0.5)));

  }

}

​

function draw() {

  background(220);

  //display the flowfield in "debug" mode

  if (debug) flowfield.display();

  //tell all the vehicles to follow the flow field

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

    vehicles[i].follow(flowfield);

    vehicles[i].run();

  }

}

​

// function keyPressed() {

//   if (key == ' ') {

//     debug = !debug;

//   }

// }

​

//make a new flowfield

function mousePressed() {

  flowfield.init();

}