​

let r = 1;

let a = 0;

​

let palette;

let bk;

​

function setup() {

  createCanvas(640, 360);

  palette = [

    color(11, 106, 136),

    color(45, 197, 244),

    color(112, 50, 126),

    color(146, 83, 161),

    color(164, 41, 99),

    color(236, 1, 90),

    color(240, 99, 164),

    color(241, 97, 100),

    color(248, 158, 79),

    color(252, 238, 33),

  ];

  bk = random(palette);

​

  for (let i = 0; i < 5; i++) {

    let x = random(width);

    let y = random(height);

    let r = random(100, 200);

    addInk(x, y, r, random(palette));

  }

  for (let i = 0; i < 50; i++) {

    let x = random(width);

    let y = random(height);

    let r = random(5, 50);

    addInk(x, y, r, random(palette));

  }

}

​

function tineLine(v, x, y, z, c) {

  for (let drop of drops) {

    drop.tine(v, x, y, z, c);

  }

}

​

function addInk(x, y, r, col) {

  let drop = new Drop(x, y, r, col);

  for (let other of drops) {

    other.marble(drop);

  }

  drops.push(drop);

}

​

let val = 4;

​

function draw() {

  if (mouseIsPressed) {

    let v1 = createVector(pmouseX, pmouseY);

    let v2 = createVector(mouseX, mouseY);

    v2.sub(v1);

    if (v2.mag() > 0.1) {

      v2.normalize();

      tineLine(v2, mouseX, mouseY, 2, 16);

    }

  }

​

  background(bk);

  for (let drop of drops) {

    drop.show();

  }

}

​