//  

// Jared Donovan 2022

// 

// Draws a sin wave across the screen

// based on the x position.

​

function setup(){

  createCanvas(700, 100);

  background(200);

  noStroke();

  fill(0);

​

  // Iterate across the width of the canvas.

  for (let x = 0; x <= width; x += 5) {

    // Calculate a y value based on the current x.

    // Divide by 50 to stretch the wave horizlly.

    // Value of y will be between -1 and 1.

    let y = sin(x / 50.0);

​

    // Scale value of y up to -35...35

    y *= 35;

​

    // Draw a rectangle at x, y. Add 50 to y to center vertically.

    rect(x, 50 + y, 2, 4);

  }

}