// Move in the specified direction
private void MoveInDir(MoveDirs2D moveDir, CellArray2D_BitArray theMap)
{
// Setting theMap[] vals to true when wall is broken down
switch (moveDir)
{
case MoveDirs2D.UpX:
currCellX += 1;
theMap[currCellX, currCellY, 0] = true;
break;
case MoveDirs2D.DownX:
theMap[currCellX, currCellY, 0] = true;
currCellX -= 1;
break;
case MoveDirs2D.UpY:
currCellY += 1;
theMap[currCellX, currCellY, 1] = true;
break;
case MoveDirs2D.DownY:
theMap[currCellX, currCellY, 1] = true;
currCellY -= 1;
break;
}
}
// Move in the opposite direction as the previous direction of movement
private void MoveInReverseDir(MoveDirs2D previousDir)
{
switch (previousDir)
{
case MoveDirs2D.UpX:
currCellX--;
break;
case MoveDirs2D.DownX:
currCellX++;
break;
case MoveDirs2D.UpY:
currCellY--;
break;
case MoveDirs2D.DownY:
currCellY++;
break;
}
}
// Returns false if moveDir goes out of bounds or toward a visited cell
private bool CanMoveInDir(MoveDirs2D moveDir, CellArray2D_BitArray theMap, CellArray2D_BitArray isVisited)
{
switch (moveDir)
{
case MoveDirs2D.UpX:
return(!(currCellX + 1 >= theMap.sizeX) &&
!(isVisited[currCellX + 1, currCellY, 0]));
case MoveDirs2D.DownX:
return(!(currCellX - 1 < 0) &&
!(isVisited[currCellX - 1, currCellY, 0]));
case MoveDirs2D.UpY:
return(!(currCellY + 1 >= theMap.sizeY) &&
!(isVisited[currCellX, currCellY + 1, 0]));
case MoveDirs2D.DownY:
return(!(currCellY - 1 < 0) &&
!(isVisited[currCellX, currCellY - 1, 0]));
}
return(false);
}
