public static List <Vector2> GetPath(this SceneViewModel scene, Vector2 startPoint, Vector2 endPoint)
{
var points = new List <Vector2>();
try
{
var mapBuilder = new MapBuilder();
foreach (var component in scene.Components.Where(c => c.CollisionDetectionEnabled).ToList())
{
mapBuilder.AddObstacle(component);
}
mapBuilder.SetStart(startPoint);
mapBuilder.SetEnd(endPoint);
mapBuilder.SetDimensions(scene.Size);
var mapResult = mapBuilder.Build();
if (mapResult.Success && mapResult.Map != null)
{
var pathFinder =
new PathFinder.Algorithm.PathFinder(mapResult.Map,
DefaultNeighbourFinder.Straight(0.5f));
points.AddRange(pathFinder.FindPath());
}
else
{
Console.WriteLine(mapResult.Message.ToString());
}
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
return(points);
}
public static List <Vector2> GetPath(this DesignerViewModel designer, Vector2 startPoint, Vector2 endPoint,
INeighbourFinder neighbourFinder = null)
{
var points = new List <Vector2>();
try
{
var mapBuilder = new MapBuilder();
foreach (var item in designer.ConnectedComponents.ToList())
{
mapBuilder.AddObstacle(item.Position - Vector2.One, item.Size + (Vector2.One * 2));
}
mapBuilder.SetStart(startPoint);
mapBuilder.SetEnd(endPoint);
mapBuilder.SetDimensions(designer.Width, designer.Height);
var mapResult = mapBuilder.Build();
if (!mapResult.Success)
{
throw new Exception(mapResult.Message);
}
var pathFinder =
new PathFinder.Algorithm.PathFinder(mapResult.Map,
neighbourFinder ?? DefaultNeighbourFinder.Straight(0.5f));
points.AddRange(pathFinder.FindPath());
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
return(points);
}
