コード例 #1
0
  public boolean intersects(Coordinate p0, Coordinate p1) {
    Envelope segEnv = new Envelope(p0, p1);
    if (!rectEnv.intersects(segEnv)) return false;

    li.computeIntersection(p0, p1, corner[0], corner[1]);
    if (li.hasIntersection()) return true;
    li.computeIntersection(p0, p1, corner[1], corner[2]);
    if (li.hasIntersection()) return true;
    li.computeIntersection(p0, p1, corner[2], corner[3]);
    if (li.hasIntersection()) return true;
    li.computeIntersection(p0, p1, corner[3], corner[0]);
    if (li.hasIntersection()) return true;

    return false;
  }