Inspired by the classic Windows Mystify screensaver

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Based on code translation from Chris DeLeon's Programming in 5 minutes: remaking “Mystify Your Mind” Windows 95-style screensaver effect

https://www.youtube.com/watch?v=-X_A1Hqj-qA

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let x1;

let y1;

let x2;

let y2;

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let x1speed;

let y1speed;

let x2speed;

let y2speed;

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function setup() {

  createCanvas(windowWidth, windowHeight);

  stroke(255);

  strokeWeight(1);

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  x1 = random(width);

  y1 = random(height);

  x2 = random(width);

  y2 = random(height);

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  x1speed = random(-5, 2);

  y1speed = random(-2, 5);

  x2speed = random(-1, 10);

  y2speed = random(-2, 2);

}

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function draw() {

  background(0, 1);

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  line(x1, y1, x2, y2);

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  x1 += x1speed;

  y1 += y1speed;

  x2 += x2speed;

  y2 += y2speed;

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  if (x1 < 0 || x1 > width) x1speed *= -1;

  if (y1 < 0 || y1 > height) y1speed *= -1;

  if (x2 < 0 || x2 > width) x2speed *= -1;

  if (y2 < 0 || y2 > height) y2speed *= -1;

}

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function windowResized() {

  resizeCanvas(windowWidth, windowHeight)

}

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