let b = 0.5;

let t = 0.2;

let size;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  strokeWeight(5);

  stroke('cyan');

  fill('cyan');

  size = min(width/10, height/10);

}

​

function draw() {

  background(0, 5);

  let xAmp = width * 0.5;

  let yAmp = height * 0.5;

  // let xShift = width/4;

  let xShift = width/10;

  let yShift = height/2;

  // let x = xAmp * sin(a*t) + xShift;

  let x = xAmp * sin(a*t) * xShift;

  let y = yAmp * cos(b*t) + yShift;

  point(x,y);

  line(x,y,width/2, height/2);

  // line(x,y,mouseX,mouseY);

  circle(x,y,50);

  square(x+60,y+60,50);

  // triangle(width/2, height/2, x, y, x, y);

  // triangle(width/2, height/2, x, y, 0, height);

  t += 0.1;

}