Esempio n. 1
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 public PointDTO GetSnakeNewHead(SnakeDTO snake, SizeDTO boardSize)
 {
     var index = Offsets.FindIndex(t => t.Direction == snake.Direction);
     var offset = Offsets[(index + MoveOffset + 4)%4];
     var newHead = OffsetModulo(snake.Head, offset.Offset, boardSize);
     return newHead;
 }
Esempio n. 2
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 private static PointDTO OffsetModulo(PointDTO p, Offset offset, SizeDTO boardSize)
 {
     return new PointDTO
     {
         X = (p.X + offset.DX + boardSize.Width)%boardSize.Width,
         Y = (p.Y + offset.DY + boardSize.Height)%boardSize.Height
     };
 }
Esempio n. 3
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        public int Distance(PointDTO head, PointDTO target, SizeDTO size)
        {
            var trans = new[] {
                            new {X = 0, Y = 0},
                            new {X = 1, Y = 0},
                            new {X = -1, Y = 0},
                            new {X = 0, Y = 1},
                            new {X = 0, Y = -1}
            };

            var heads = trans.Select(t => new PointDTO { X = t.X * size.Width + head.X, Y = t.Y * size.Height + head.Y });

            return heads.Min(h => Distance(h, target));
        }
Esempio n. 4
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        private Move GetPrefferedDirection(IEnumerable<PointDTO> food, List<Move> moves, SnakeDTO mySnake, SizeDTO boardSize)
        {
            var foodGroup = food.Select(f => new { Food = f, Metric = (Distance(mySnake.Head, f, boardSize) - NumOfNeigh(food, f) * 2) });

            var closestFoods = foodGroup.OrderBy(f => f.Metric).Select(f => f.Food);

            if (!closestFoods.Any())
            {
                return Move.None;
            }

            var closestFood = closestFoods.First();

            return moves.OrderBy(f => Distance(f.GetSnakeNewHead(mySnake, boardSize), closestFood)).First();
        }