31_alien_land

function setup() {

  simple();

  background('black');

  colorMode(HSB);

}

​

function draw() {

  noStroke();

  repeat(0, 500, 1, 200, 500, 1, alien_landscape);

  noFill(); stroke('white'); strokeWeight(1); rect(0, 0, width-1, height-1);

}

​

function alien_landscape(x, y) {

  var x2 = x + (y / 2);

  var h = 200 * noise(x / 200, y / 200);

  h += 30 * noise(x / 30, y / 30);

  var y2 = y - h + 50;

  var hue = (h - 180 + 360) % 360;

  var brightness = h*0.75;

  fill(hue, 80, brightness, 0.3);

  circle(x2, y2, 2);

}