16 lines
370 B
PHP
16 lines
370 B
PHP
<?php
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namespace BlackScorp\Astar\Heuristic;
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use BlackScorp\Astar\HeuristicInterface;
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use BlackScorp\Astar\Node;
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class Manhattan implements HeuristicInterface
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{
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public function compare(Node $node, Node $goal)
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{
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$deltaX = abs($node->getX() - $goal->getX());
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$deltaY = abs($node->getY() - $goal->getY());
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return $deltaX + $deltaY;
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}
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} |