Find Enemy
Find the distance and relative direction to the enemy in a HEX-grid.
HEX-grid (hexagonal grid) is a coordinate system, like square grid. To find distance between two cells you don't need to find exact path from one to another, but correctly work with their coordinates. Another approach to calculate distance is to notice that all cells strict around your cell form a kind of circle and are on distance 1 from your cell, the cells around all previous cells (next "circle")...
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