Function pathToAbsolute

libraries/p5.js:29832–29917

(pathArray)

}

function pathToAbsolute(pathArray) {

  var res = [], x = 0, y = 0, mx = 0, my = 0, start = 0;
  if (pathArray[0][0] === 'M') {
    x = +pathArray[0][1];
    y = +pathArray[0][2];
    mx = x;
    my = y;
    start++;
    res[0] = ['M', x, y];
  }

  var dots,crz = pathArray.length===3 && pathArray[0][0]==='M' &&
    pathArray[1][0].toUpperCase()==='R' && pathArray[2][0].toUpperCase()==='Z';

  for (var r, pa, i = start, ii = pathArray.length; i < ii; i++) {
    res.push(r = []);
    pa = pathArray[i];
    if (pa[0] !== String.prototype.toUpperCase.call(pa[0])) {
      r[0] = String.prototype.toUpperCase.call(pa[0]);
      switch (r[0]) {
        case 'A':
          r[1] = pa[1];
          r[2] = pa[2];
          r[3] = pa[3];
          r[4] = pa[4];
          r[5] = pa[5];
          r[6] = +(pa[6] + x);
          r[7] = +(pa[7] + y);
          break;
        case 'V':
          r[1] = +pa[1] + y;
          break;
        case 'H':
          r[1] = +pa[1] + x;
          break;
        case 'R':
          dots = [x, y].concat(pa.slice(1));
          for (var j = 2, jj = dots.length; j < jj; j++) {
            dots[j] = +dots[j] + x;
            dots[++j] = +dots[j] + y;
          }
          res.pop();
          res = res.concat(catmullRom2bezier(dots, crz));
          break;
        case 'M':
          mx = +pa[1] + x;
          my = +pa[2] + y;
          break;
        default:
          for (j = 1, jj = pa.length; j < jj; j++) {
            r[j] = +pa[j] + ((j % 2) ? x : y);
          }
      }
    } else if (pa[0] === 'R') {
      dots = [x, y].concat(pa.slice(1));
      res.pop();
      res = res.concat(catmullRom2bezier(dots, crz));