Exemplo n.º 1
0
Arquivo: SnakeAI.cs Projeto: akil03/bx
    public bool IsAnotherSnakeTailNearMe(float maxDistance, out Vector3 directionToReachEnemySnakeTail, out GroundPiece enemyTailGroundPieceToReach)
    {
        List <GroundPiece> possibleEnemyTailGroundPieces = new List <GroundPiece> ();
        List <Vector3>     possibleDirections            = new List <Vector3> ();

        directionToReachEnemySnakeTail = Vector3.zero;
        enemyTailGroundPieceToReach    = null;

        if (lastReachedGroundPiece.HasGroundPieceOnEast())
        {
            for (int i = lastReachedGroundPiece.indexInRow + 1; i < lastReachedGroundPiece.row.groundPieces.Count; i++)
            {
                GroundPiece pieceToCheck = lastReachedGroundPiece.row.groundPieces [i];

                if (Vector3.Distance(pieceToCheck.transform.position, transform.position) > maxDistance)
                {
                    break;
                }

                if (pieceToCheck.collectingSnake != null)
                {
                    if (pieceToCheck.collectingSnake == snake)
                    {
                        break;
                    }

                    if (pieceToCheck.collectingSnake != snake)
                    {
                        possibleEnemyTailGroundPieces.Add(pieceToCheck);
                        possibleDirections.Add(transform.right);
                        break;
                    }
                }
            }
        }

        if (lastReachedGroundPiece.HasGroundPieceOnOvest())
        {
            for (int i = lastReachedGroundPiece.indexInRow - 1; i > 0; i--)
            {
                GroundPiece pieceToCheck = lastReachedGroundPiece.row.groundPieces [i];

                if (Vector3.Distance(pieceToCheck.transform.position, transform.position) > maxDistance)
                {
                    break;
                }

                if (pieceToCheck.collectingSnake != null)
                {
                    if (pieceToCheck.collectingSnake == snake)
                    {
                        break;
                    }

                    if (pieceToCheck.collectingSnake != snake)
                    {
                        possibleEnemyTailGroundPieces.Add(pieceToCheck);
                        possibleDirections.Add(-transform.right);
                        break;
                    }
                }
            }
        }

        if (lastReachedGroundPiece.HasGroundPieceOnSouth())
        {
            for (int i = lastReachedGroundPiece.indexInColumn + 1; i < lastReachedGroundPiece.column.groundPieces.Count; i++)
            {
                GroundPiece pieceToCheck = lastReachedGroundPiece.column.groundPieces [i];

                if (Vector3.Distance(pieceToCheck.transform.position, transform.position) > maxDistance)
                {
                    break;
                }

                if (pieceToCheck.collectingSnake != null)
                {
                    if (pieceToCheck.collectingSnake == snake)
                    {
                        break;
                    }
                    if (pieceToCheck.collectingSnake != snake)
                    {
                        possibleEnemyTailGroundPieces.Add(pieceToCheck);
                        possibleDirections.Add(-transform.up);
                        break;
                    }
                }
            }
        }

        if (lastReachedGroundPiece.HasGroundPieceOnNorth())
        {
            for (int i = lastReachedGroundPiece.indexInColumn - 1; i > 0; i--)
            {
                GroundPiece pieceToCheck = lastReachedGroundPiece.column.groundPieces [i];

                if (Vector3.Distance(pieceToCheck.transform.position, transform.position) > maxDistance)
                {
                    break;
                }

                if (pieceToCheck.collectingSnake != null)
                {
                    if (pieceToCheck.collectingSnake == snake)
                    {
                        break;
                    }

                    if (pieceToCheck.collectingSnake != snake)
                    {
                        possibleEnemyTailGroundPieces.Add(pieceToCheck);
                        possibleDirections.Add(transform.up);
                        break;
                    }
                }
            }
        }



        if (possibleDirections.Count > 0)
        {
            int nearestReachableGrounPieceIndex = 0;

            for (int i = 0; i > possibleEnemyTailGroundPieces.Count; i++)
            {
                if (Vector3.Distance(possibleEnemyTailGroundPieces [i].transform.position, transform.position) < Vector3.Distance(possibleEnemyTailGroundPieces [nearestReachableGrounPieceIndex].transform.position, transform.position))
                {
                    nearestReachableGrounPieceIndex = i;
                }
            }


            directionToReachEnemySnakeTail = possibleDirections [nearestReachableGrounPieceIndex];
            enemyTailGroundPieceToReach    = possibleEnemyTailGroundPieces [nearestReachableGrounPieceIndex];


            return(true);
        }
        else
        {
            return(false);
        }
    }