eval_robot

eval_robot.js

var melody = [22,18,8,6,18,20,24,26,20,18,12,18,32,32,33,33,34,36,40,48,2,0,2,0,-32,-12,10,64]

return function (t) {
   t = t/1.28

  return drums1(t)/.05 + drums2(t)/.01 + drums3(t)/.043 + synth1(t)*400 + synth2(t)*280;
}

function sin (x, t) { return Math.sin(2 * Math.PI * t * x *.6) * 1.5 }

function drums1 (t) { return t % (1/2) < 1/10 ? 2*Math.random()-1 : 0}

function drums2 (t) { return t % (1/1) < 1/8 ? 2*Math.random()-1 : 0}

function drums3 (t) { return t % (1/8) < 1/32 ? 2*Math.random()-1 : 0}

function synth1 (t) {return sin(Math.pow(2, melody[Math.floor(t*8) % melody.length] / 24) * 100, t)}

function synth2(t) {return sin(Math.pow(2, melody[Math.floor(t*4) % melody.length] / 12) * 100, t)}