Turbine

var m=0;

function setup() {

  createCanvas(windowWidth, windowHeight);

  strokeCap(SQUARE);

  noFill();

  ellipseMode(CENTER);

}

​

function draw() {

  var w=mouseX/width, h=mouseY/height;

  background(238);

  translate(width/2,height/2);

  rotate(m/4*PI/180);

  stroke(0);

  for (var i=0; i<60; i++) {

    push();

      rotate(6*i*PI/180);

      translate(-170,170);

      strokeWeight(12);

      arc(0,0, 400-7,400-7, w*HALF_PI/2, HALF_PI/2);

      strokeWeight(7);

      arc(0,0, 400+5,400+5, 0, HALF_PI/2);

    pop();

  }

  m = m - h*2;

  stroke(238);

  strokeWeight(12);

  ellipse(0,0, 353,353);

  ellipse(0,0, 622,622);

}