/*https://editor.p5js.org/p5/sketches/Math:_distance1d
 * @name Distance 1D
 * @description Move the mouse left and right to control
 * the speed and direction of the moving shapes.
 */
let xpos1;
let xpos2;
let xpos3;
let xpos4;
let thin = 8;
let thick = 36;

function setup() {
  createCanvas(710, 400);
  noStroke();
  xpos1 = width / 2;
  xpos2 = width / 2;
  xpos3 = width / 2;
  xpos4 = width / 2;
}

function draw() {
  background(0);

  let mx = mouseX * 0.4 - width / 5.0;

  fill(102);
  rect(xpos2, 0, thick, height / 2);
  fill(204);
  rect(xpos1, 0, thin, height / 2);
  fill(102);
  rect(xpos4, height / 2, thick, height / 2);
  fill(204);
  rect(xpos3, height / 2, thin, height / 2);

  xpos1 += mx / 16;
  xpos2 += mx / 64;
  xpos3 -= mx / 16;
  xpos4 -= mx / 64;

  if (xpos1 < -thin) {
    xpos1 = width;
  }
  if (xpos1 > width) {
    xpos1 = -thin;
  }
  if (xpos2 < -thick) {
    xpos2 = width;
  }
  if (xpos2 > width) {
    xpos2 = -thick;
  }
  if (xpos3 < -thin) {
    xpos3 = width;
  }
  if (xpos3 > width) {
    xpos3 = -thin;
  }
  if (xpos4 < -thick) {
    xpos4 = width;
  }
  if (xpos4 > width) {
    xpos4 = -thick;
  }
}