Moutains

var center

​

function setup() {

  createCanvas(800, 800);

  colorMode(HSB,360,100,100,100)

  background(0,0,100,100);

  center = createVector(width / 2.0, height / 2.0);

  frameRate(3)

}

​

function draw() {

  let v = vogalPoint( floor( random(100) )  )

  v.mult(30.0);

  v.add(center);

  noStroke()

  fill(230 + random(60),20 + random(70) ,100,10);

  triangle(0, height, v.x,v.y, width, height);

  fill(240,0,100,100 * v.y / height);

  ellipse(v.x, v.y, 10, 10);

}

​

function vogalPoint(n) {

  let theta = 2.39996 * n;

  let r = sqrt(n);

  return createVector(r * sin(theta), r * cos(theta));

}