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by lloeki 5271 days ago
actually the warrior starts facing right (which is not specified but could be supposed). so :right is actually moving down, since all movements are relative, which is inferred by :forward and :backward being present and :up :down missing, which I suppose would rather be :north :south :east and :west. Once you also understand that tips really are not, but the necessary API doc, well, it's smooth sailing.