// Daniel Shiffman

// http://natureofcode.com

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// Demonstration of Craig Reynolds' "Flocking" behavior

// See: http://www.red3d.com/cwr/

// Rules: Cohesion, Separation, Alignment

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// Click mouse to add boids into the system

​

// Taken from the p5js version available here: https://github.com/nature-of-code/noc-examples-p5.js/tree/master/chp06_agents/NOC_6_09_Flocking

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let flock;

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let text;

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function setup() {

  text = createP("Drag the mouse to generate new boids.");

  text.position(10, 365);

​

  createCanvas(640, 360);

  flock = new Flock();

  // Add an initial set of boids into the system

  for (let i = 0; i < 60; i++) {

    let b = new Boid(width / 2, height / 2);

    flock.addBoid(b);

  }

}

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function draw() {

  background(51);

  flock.run();

}

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// Add a new boid into the System

function mouseDragged() {

  flock.addBoid(new Boid(mouseX, mouseY));

}

​