// file. (see sketch files).

// 

// for this example we use Krona One by by Yvonne Schüttler

// https://fonts.google.com/specimen/Krona+One

// 

// check the Sketch Files and the additional file

// KronaOne-Regular.ttf

//

// Note that this will work for the default renderer,

// however this does not work as expected with WEBGL and 

// Tthe following notification will be posted in the console:

// 

// You must load and set a font before drawing text. 

// See `loadFont` and `textFont` for more details. 

//

// see the following WEBGL type example.

// https://editor.p5js.org/sojamo/sketches/mvEZEFfB6

​

let points;

let bounds;

let font;

​

let xx=0, nx =0;

let yy=0, ny=0;

​

let label   = "x";

​

function preload() {

  font = loadFont("KronaOne-Regular.ttf");

}

​

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  textFont(font);

  const n = 'X';

  const s = 800; // size

  points = font.textToPoints(n, 0, 0, s, {

    sampleFactor: 0.3, //the bezier amount*

    simplifyThreshold: 0.0

  });

  bounds = font.textBounds(n, 0, 0, s);

  console.log(bounds)

}

​

function draw() {

  if(frameCount%20 == 0){

    nx=random(3, 30);

    ny=random(20, 255);

  }

  xx += (nx - xx) * 0.1;

  yy += (ny - yy) * 0.1;

  background(255, yy,0,70);

  translate(width/2, height/2);

  //scale(xx);

  drawLetterShape();

  drawLetterVertex(); //connects the line

}

​

function drawLetterVertex() {

  stroke(0,100);

  noFill();

  push();

  translate(-bounds.w/2, bounds.h/2);

  beginShape();

  let x = 0;

  let y = 0;

  let n = points.length;

  let angle = TWO_PI / (n);

  for (let i = 0; i < n; i += 1) {

    stroke(yy,0,255);

    x = points[i].x + tan((frameCount + i+xx) * 0.05) * 6;

    y = points[i].y;

    vertex(x, y);

  }

  endShape(CLOSE);

  pop();

}

​

function drawLetterShape() {

  stroke(0,100);

  noFill();

  push();

  translate(-bounds.w/2, bounds.h/2);

  let x = 0;

  let y = 0;

  let n = points.length;

  let res = 4;

  for (let i = 0; i < n; i += res) {

    x = points[i].x + cos((frameCount + i) * 0.05)*10; //*

    y = points[i].y;

    push();

    translate(x, y);

    rotate((frameCount + i) * 0.1); //*

   // rect(-10, 0, xx, 0);

    ellipse(xx,xx,xx,xx); //*

    pop();

  }

  pop();

}

​

function keyPressed() {

  if (key === "s") {

    if(this._renderer.elt.svg !== undefined) {

      saveSVG(label + ".svg");

    } else {

      saveCanvas(label + ".png");

    }

  }

}