let water = [];

let gravity;

let randomColor;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  randomColor = color(random(255), random(255), random(255));

}

​

function draw() {

    background(20, 20, 20, 30);

    if(numDrops <= 400) {

      water.push(new Drop());

      numDrops++;

    }

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

        water[i].render(randomColor);

        if(water[i].vel.x < 0) {

          gravity = createVector(0.007, 0.28);

        } else {

          gravity = createVector(-0.007, 0.28);

        }

        if(i === 399 && water[i].pos.y > height) {

          randomColor = color(random(255), random(255), random(255));

        }

        water[i].applyForce(gravity);

        water[i].update();

    }

}