Function generateHairLines0

src/utils/hair_lines.js:39–65

(faceCountour, numHairLines = 100)

}

export function generateHairLines0(faceCountour, numHairLines = 100) {
  var faceCountourCopy = faceCountour.slice(0, faceCountour.length - 2);
  var results = [];
  for (var i = 0; i < numHairLines; i++){
    var numHairPoints = 20 + Math.floor(randomFromInterval(-5, 5));
    // we generate some hair lines
    var hair_line = [];
    var index_offset = Math.floor(randomFromInterval(30, 140));
    for (var j = 0; j < numHairPoints; j++){
      hair_line.push({x: faceCountourCopy[(faceCountourCopy.length - (j + index_offset)) % faceCountourCopy.length][0], y:faceCountourCopy[(faceCountourCopy.length - (j + index_offset)) % faceCountourCopy.length][1]});
    }
    var d0 = computeBezierCurve(hair_line, numHairPoints);
    hair_line = []
    index_offset = Math.floor(randomFromInterval(30, 140));
    for (var j = 0; j < numHairPoints; j++){
      hair_line.push({x: faceCountourCopy[(faceCountourCopy.length - (-j + index_offset)) % faceCountourCopy.length][0], y:faceCountourCopy[(faceCountourCopy.length - (-j + index_offset)) % faceCountourCopy.length][1]});
    }
    var d1 = computeBezierCurve(hair_line, numHairPoints);
    var d = [];
    for (var j = 0; j < numHairPoints; j++){
      d.push([d0[j][0] * (j * (1 / numHairPoints)) ** 2 + d1[j][0] * (1 - (j * (1 / numHairPoints)) ** 2), d0[j][1] * (j * (1 / numHairPoints)) ** 2 + d1[j][1] * (1 - (j * (1 / numHairPoints)) ** 2)]);
    }

    results.push(d);
  }
  return results;
}
export function generateHairLines1(faceCountour, numHairLines = 100) {
  var faceCountourCopy = faceCountour.slice(0, faceCountour.length - 2);
  var results = [];