// The Nature of Code

// The Coding Train / Daniel Shiffman

// https://youtu.be/syR0klfncCk

// https://thecodingtrain.com/learning/nature-of-code/4.1-particle-system-simulation.html

// https://editor.p5js.org/codingtrain/sketches/QRzgzQLnQ

​

let particles = [];

​

function setup() {

  createCanvas(400, 400);

}

​

function draw() {

  background(0);

  for (let i = 0; i < 3; i++) {

    particles.push(new Particle(mouseX, mouseY));

  }

​

  for (let particle of particles) {

    let gravity = createVector(0, 0.2);

    particle.applyForce(gravity);

    particle.update();

    particle.show();

  }

​

  for (let i = particles.length - 1; i >= 0; i--) {

    if (particles[i].finished()) {

      particles.splice(i, 1);

    }

  }

}

​