public static List <ILineObstacle> GetBlockLines(Block block, int layer)
{
var obstacles = new List <ILineObstacle>();
block.GetCollision(obstacles, false);
if (obstacles.Count == 0)
{
obstacles.Add(LineObstacle.DefaultLeft((int)block.Position.X, (int)block.Position.Y, layer));
obstacles.Add(LineObstacle.DefaultTop((int)block.Position.X, (int)block.Position.Y, layer));
obstacles.Add(LineObstacle.DefaultRight((int)block.Position.X, (int)block.Position.Y, layer));
obstacles.Add(LineObstacle.DefaultBottom((int)block.Position.X, (int)block.Position.Y, layer));
}
return(obstacles);
}
private static void AddLine(Vector2 key, LineObstacle line, IDictionary <Vector2, List <LineObstacle> > points)
{
List <LineObstacle> segments;
if (points.TryGetValue(key, out segments))
{
if (!segments.Contains(line))
{
segments.Add(line);
}
}
else
{
segments = new List <LineObstacle> {
line
};
points.Add(key, segments);
}
}
