​

// Code for: https://youtu.be/KkyIDI6rQJI

​

​

function Drop() {

  this.x = random(width);

  this.y = random(-500, -50);

  this.z = random(0, 20);

  this.angle = 10;

  this.len = map(this.z, 0, 20, 10, 20);

  this.yspeed = map(this.z, 0, 20, 1, 10);

​

  this.fall = function() {

    this.y = this.y + this.yspeed;

    this.x = this.x + 10;

    var grav = map(this.z, 0, 20, 0, 0.2);

    this.yspeed = this.yspeed + grav;

​

    if (this.y > height) {

      this.y = random(-200, -100);

      this.yspeed = map(this.z, 0, 20, 4, 10);

    }

    if (this.x > width) {

      this.x = random(-this.angle, -0);

      // this.yspeed = map(this.z, 0, 20, 4, 10);

    }

  }

​

  this.show = function() {

    var thick = map(this.z, 0, 20, 1, 3);

    strokeWeight(thick);

    stroke(0, 0, 175);

    if (random(1)>0.1) {

      line(this.x-this.angle, this.y, this.x, this.y + this.len);

    } else {

      circle(this.x, this.y+this.len, 3);

      fill(250);

    }

  }

}