Mimi Yin NYU-ITP

Circular Pathway

*/

​

//Store x,y coordinates of current position

let x, y;

// Store angle of rotation

let angle;

// Store radius of circle (size)

let r;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  angle = 0;

  r = height*0.67;

  x = width / 2;

  y = height / 2 - r;

}

​

function draw() {

  background(255, 1);

  fill(0);

​

  // Move around the circle

  angle += 0.005;

​

  // Calculate x,y coordinates

  //Method 1

  x = cos(2*angle) * r + width / 2;

  y = sin(angle) * r + height / 2;

​

  //Method 2

  // x += cos(angle);

  // y += sin(angle);

​

  // Draw a circle at x,y

  ellipse(x, y, 5, 5);

}