Sea at night

// Adapted from work by yonatan https://www.dwitter.net/d/10757

// for(i=c.width=99;i--;)for(j=58;j--;x.fillRect(i,j,1,1))k=(50-i)/(z=j-27),x.fillStyle=R(q=z>0?S(j*j+k-t*7)*C(j**3-k*3+t)*z/2+60-j:j+9,q*=4,q)

​

t = f = 0;

​

function setup() {

  createCanvas(800, 500);

  background(0);

  noStroke();

}

​

function draw() {

  push();

  scale(8);

  t += 0.02;

  for (i = 99; i--; ) {

    for (j = 60; j--; ) {

      k = (50 - i) / (z = j - 27);

      q = z > 0 ? (sin(j * j + k - 7 * t) * cos(j ** 3 - 3 * k + t) * z) / 2 + 60 - j : j + 9;

      fill(2 * q, 2 * q, 7 * q);

      square(i, j, 1);

    }

  }

  pop();

  for (x = 780; x--; ) {

    circle(x, (sin(x) * 1e3-t) % 222, x % 3);

  }

}

​