let palette;

let bk;

function setup() {

  createCanvas(640, 360);

​

  palette = [

    color('pink'),

    color('lightblue'),

    color('gray'),

    color('lightgreen'),

    color('aqua'),

    color('beige')

  ];

  bk = random(palette);

  for(let i = 25; i < width;i+=50){

    for(let j = 25; j < height; j+=50){

      let x = map(i,0,width,25,width-25);

      let y = map(j,0,height,25,height-25);

      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();

  }

​

}

​