public ICollection <MapPixel> GetAdjacentPixels(IThreeDimensionalCoordinate coordinate)
{
var adjacentPixels = new List <MapPixel>();
AddAdjacentPixelsOnX(adjacentPixels, coordinate);
AddAdjacentPixelsOnY(adjacentPixels, coordinate);
return(adjacentPixels);
}
private void AddAdjacentPixelsOnX(ICollection <MapPixel> adjacentPixels, IThreeDimensionalCoordinate coordinate)
{
var currentCoordinate = new MapCoordinate(coordinate.GetX(), coordinate.GetY());
for (var xOff = -1; xOff <= 1; xOff += 2)
{
currentCoordinate.SetX(coordinate.GetX() + xOff);
if (CoordinateIsInBounds(coordinate))
{
adjacentPixels.Add(_map[currentCoordinate.GetX(), currentCoordinate.GetY()]);
}
}
}
public void SetPixelAt(IThreeDimensionalCoordinate coordinate, MapPixel value)
{
_map[coordinate.GetX(), coordinate.GetY()] = value;
}
public MapPixel GetPixelAt(IThreeDimensionalCoordinate coordinate)
{
return(_map[coordinate.GetX(), coordinate.GetY()]);
}
