private cellScript.Direction GetDirection()
{
Vector3 curPos = transform.position;
Vector3 playerPos = player.transform.position;
float currentDistance = MahattanDistance(curPos, playerPos);
cellScript.Direction direction = cellScript.Direction.None;
// try to move horizontally
if (MahattanDistance(curPos + Vector3.right * 3, playerPos) < currentDistance &&
!movement.GetNextPosition(cellScript.Direction.Right).Equals(gridMovement.NotMovable))
{
direction = cellScript.Direction.Right;
}
else if (MahattanDistance(curPos - Vector3.right * 3, playerPos) < currentDistance &&
!movement.GetNextPosition(cellScript.Direction.Left).Equals(gridMovement.NotMovable))
{
direction = cellScript.Direction.Left;
}
// try to move vertically
else if (MahattanDistance(curPos + Vector3.forward * 3, playerPos) < currentDistance &&
!movement.GetNextPosition(cellScript.Direction.Up).Equals(gridMovement.NotMovable))
{
direction = cellScript.Direction.Up;
}
else if (MahattanDistance(curPos - Vector3.forward * 3, playerPos) < currentDistance &&
!movement.GetNextPosition(cellScript.Direction.Down).Equals(gridMovement.NotMovable))
{
direction = cellScript.Direction.Down;
}
return(direction);
}
private void MoveInDirection(cellScript.Direction direction)
{
nextPosition = movement.GetNextPosition(direction);
// next position is available in this direction
// so we can move now
if (!nextPosition.Equals(gridMovement.NotMovable))
{
isMoving = true;
}
}
private void ChasePlayer()
{
cellScript.Direction direction = GetDirection();
if (direction.Equals(cellScript.Direction.None))
{
moveCount++;
if (moveCount == 2)
{
moveCount = 0;
player.playerTurn = true;
manager.SaveState();
}
}
else
{
nextPosition = movement.GetNextPosition(direction);
isMoving = true;
}
}
public Vector3 GetNextPosition(cellScript.Direction direction)
{
cellScript next = current.neighborInDirection[direction];
// there is a cell in this direction, ok
if (next != null)
{
// check if that cell is movable or not
if (current.neighbors[next])
{
// if movable, then move
// get x and z offset, y unchanged
float xoffset = next.transform.position.x - transform.position.x;
float zoffset = next.transform.position.z - transform.position.z;
Vector3 motion = new Vector3(xoffset, 0.0f, zoffset);
return(transform.position + motion);
}
// else stay
}
return(NotMovable);
}
