// Daniel Shiffman

// http://natureofcode.com

​

// Flow Field Following

// Via Reynolds: http://www.red3d.com/cwr/steer/FlowFollow.html

​

// Using this variable to decide whether to draw all the stuff

let debug = true;

​

// Flowfield object

let flowfield;

// An ArrayList of vehicles

let vehicles = [];

​

function setup() {

  let text = createP(

    "Hit space bar to toggle debugging lines.<br>Click the mouse to generate a new flow field."

  );

​

  createCanvas(1200, 2000);

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

  flowfield = new FlowField(5);

  // 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(255);

  // Display the flowfield in "debug" mode

  if (debug) flowfield.show();

  // // 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;

  // }

  save('screenshot.png');

}

​

// Make a new flowfield

function mousePressed() {

  flowfield.init();

}

​