coordinates.clip = function()

in pytheas-core/src/main/resources/js/d3/d3.geom.js [213:244]

• 32 lines of code
• 6 McCabe index (conditional complexity)

  coordinates.clip = function(subject) {
    var input,
        i = -1,
        n = coordinates.length,
        j,
        m,
        a = coordinates[n - 1],
        b,
        c,
        d;
    while (++i < n) {
      input = subject.slice();
      subject.length = 0;
      b = coordinates[i];
      c = input[(m = input.length) - 1];
      j = -1;
      while (++j < m) {
        d = input[j];
        if (d3_geom_polygonInside(d, a, b)) {
          if (!d3_geom_polygonInside(c, a, b)) {
            subject.push(d3_geom_polygonIntersect(c, d, a, b));
          }
          subject.push(d);
        } else if (d3_geom_polygonInside(c, a, b)) {
          subject.push(d3_geom_polygonIntersect(c, d, a, b));
        }
        c = d;
      }
      a = b;
    }
    return subject;
  };