gn70

let img;

let particles = [];

​

function preload() {

  img = loadImage('https://deckard.openprocessing.org/user418107/visual2157141/hdf04e1b644afc84ab3ff2e27b05426a5/gm_l.png');

}

​

function setup() {

  createCanvas(1080, 1080);

  background('#01d801');

  for (let i = 0; i < 500; i++) {

    particles.push(new Particle(random(width), random(height)));

  }

}

​

function draw() {

  background('#01d801');

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

    particles[i].update();

    particles[i].show();

  }

}

​

class Particle {

  constructor(x, y) {

    this.pos = createVector(x, y);

    this.vel = p5.Vector.random2D().mult(random(2, 5));

    this.acc = createVector(0, 0);

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

    this.maxSpeed = 2;

    this.maxForce = 1;

  }

​

  update() {

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

    let d = desired.mag();

    let speed = this.maxSpeed;

    if (d < 100) {

      speed = map(d, 0, 100, 0, this.maxSpeed);

    }

    desired.setMag(speed);

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

    steer.limit(this.maxForce);

    this.acc.add(steer);

    this.vel.add(this.acc);

    this.pos.add(this.vel);

    this.acc.mult(0);

  }

​

  show() {

    let scl = 0.2;

    imageMode(CENTER);

    translate(this.pos.x, this.pos.y);

    rotate(frameCount * 0.01);

    image(img, 0, 0, img.width * scl, img.height * scl);

    resetMatrix();

  }

}

​