var X = 900;

var a = 350;

var b = 300;

var d = 400;

var u = 500;



function setup() {

  createCanvas(700, 700);

  background(0);

  colorMode(HSB, 255);

  d = PI/5;

} 



function draw() {

  noStroke();

  push();

  translate(450,450);

	

  var t = frameCount*u;

  var s = (frameCount -130)*u;

  var preX = X*sin(a*s +d)*sin(a *s +d)*cos(b*s +d) + frameCount*1000;

  var preY = X*sin(b*s) *sin(a*s);

  var x = X*sin(a*t+d)*sin(a*t +d)*cos(b*t +d) + frameCount*0.0001;

  var y = X*sin(b*t)*sin(a*t);

  stroke(color((frameCount/20) % 350, 520, 350));

  triangle(x,y,preX,preY);

  pop()

}