/**
* @param MyNode $needle
* @param MyNode[] $haystack
*/
private function assertContainsMyNode(MyNode $needle, array $haystack)
{
foreach ($haystack as $node) {
if ($needle->getID() === $node->getID()) {
return;
}
}
$this->fail('Failed asserting that the array ' . print_r($haystack, true) . 'contains the specified node ' . print_r($needle, true));
}
/**
* @expectedException \InvalidArgumentException
* @expectedExceptionMessage Invalid node
*/
public function testShouldNotCreateNewInstanceFromInvalidNode()
{
$nodeID = 'foo';
$node = $this->getMock('JMGQ\\AStar\\Node');
$node->expects($this->once())->method('getID')->will($this->returnValue($nodeID));
MyNode::fromNode($node);
}
/**
* @inheritdoc
*/
public function calculateEstimatedCost(Node $start, Node $end)
{
$myStartNode = MyNode::fromNode($start);
$myEndNode = MyNode::fromNode($end);
$xFactor = pow($myStartNode->getX() - $myEndNode->getX(), 2);
$yFactor = pow($myStartNode->getY() - $myEndNode->getY(), 2);
$euclideanDistance = sqrt($xFactor + $yFactor);
return $euclideanDistance;
}