/// <summary>
/// Updates nearby pixels so they are no longer inactive
/// </summary>
/// <param name="body"></param>
public void UpdateNearbyPixels(PixelBody2D body)
{
// if (inactivePixels.Contains(body)) return;
//Get Surrounding Positions
Vector2Int position = body.GetPosition();
List <Vector2Int> surroundingPositions = new List <Vector2Int>();
surroundingPositions.Add(new Vector2Int(position.x, position.y + 1)); //Up
surroundingPositions.Add(new Vector2Int(position.x, position.y - 1)); //Down
surroundingPositions.Add(new Vector2Int(position.x - 1, position.y)); //Left
surroundingPositions.Add(new Vector2Int(position.x + 1, position.y)); //Right
/* surroundingPositions.Add(new Vector2Int(position.x - 1, position.y + 1)); //Up Left
* surroundingPositions.Add(new Vector2Int(position.x - 1, position.y - 1)); //Down Left
* surroundingPositions.Add(new Vector2Int(position.x + 1, position.y + 1)); //Up Right
* surroundingPositions.Add(new Vector2Int(position.x + 1, position.y - 1)); //Down Right */
//For each surrounding position, if we have that key, make sure that that key is active.
//This might cause problems
foreach (var pos in surroundingPositions)
{
if (pixels.ContainsKey(pos) && inactivePixels.Contains(pixels[pos]))
{
AddActivePixel(pixels[pos]);
UpdateNearbyPixels(pixels[pos]);
}
}
}
/// <summary>
/// Destroys a pixel
/// </summary>
/// <param name="position"></param>
public void DestroyPixel(Vector2Int position)
{
if (pixels.ContainsKey(position))
{
PixelBody2D body = pixels[position];
pixels.Remove(position);
activePixels.Remove(body);
inactivePixels.Remove(body);
body.Destroy();
}
}
/// <summary>
/// Sets the state of a particular position
/// </summary>
/// <param name="position"></param>
/// <param name="body"></param>
public void SetPixel(Vector2Int position, PixelBody2D body)
{
if (pixels.ContainsKey(position))
{
pixels[position] = body;
}
else
{
pixels.Add(position, body);
}
}
/// <summary>
/// Removes an active pixel.
/// </summary>
/// <param name="body"></param>
public void RemoveActivePixel(PixelBody2D body)
{
body.transform.SetParent(inactivePixelsParent.transform);
if (activePixels.Contains(body))
{
activePixels.Remove(body);
}
if (!inactivePixels.Contains(body))
{
inactivePixels.Add(body);
}
}
