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| def move_as_coord(move, head) | |
| case move | |
| when 'up' | |
| return {x: head[:x], y: head[:y]-1} | |
| when 'down' | |
| return {x: head[:x], y: head[:y]+1} | |
| when 'left' | |
| return {x: head[:x]-1, y: head[:y]} | |
| when 'right' | |
| return {x: head[:x]+1, y: head[:y]} | |
| end | |
| end |
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