title: Manhattan Distance between tiles in a hexagonal grid
body: <p>For a square grid the euclidean distance between tile A and B is: </p>
  
  <pre><code>distance = sqrt(sqr(x1-x2)) + sqr(y1-y2))
  </code></pre>
  
  <p>For an actor constrained to move along a square grid, the Manhattan Distance is a better measure of actual distance we must travel:</p>
  
  <pre><code>manhattanDistance = abs(x1-x2) + abs(y1-y2))
  </code></pre>
  
  <p>How do I get the manhattan distance between two tiles in a hexagonal grid as illustrated with the red and blue lines below?</p>
  
  <p><img src="https://i.stack.imgur.com/Qanua.png" alt="enter image description here"></p>