private function generateNodes()
{
$newNodeList = array();
for ($i = 0; $i < count($this->nodes) - 1; $i++) {
$length = $this->nodes[$i]->distance($this->nodes[$i + 1]);
if ($length > $this->el_max) {
// generate new nodes
$distance = $length / ceil($length / $this->el_max);
// new distance between nodes
$element = new Connect(clone $this->nodes[$i], clone $this->nodes[$i], 0, 0);
do {
$element->increaseLength($distance);
array_push($newNodeList, clone $element->endNode);
} while ($element->endNode->compare($this->nodes[$i + 1]) == -1);
}
}
foreach ($newNodeList as $n) {
$this->addNode($n);
}
$this->nodes = Node::quickSort($this->nodes);
}