public override void Start()
{
//Set up our obstacle course
ActorFactory.Instance.LoadLevel("maze");
//Create the bounding box that will limit the pathfinding search area
BoundingBox2D bounds = new BoundingBox2D(new Vector2(-20, -20), new Vector2(20, 20));
//Create our pathfinding graph. In our 2D worlds, this is a relatively fast
// operation -- you shouldn't be doing it every frame, but recalculating every
// so often if your world has changed is not inappropriate.
SpatialGraphManager.Instance.CreateGraph(
0.75f, //The size of the entity you want to pathfind (so the generator
// can know how small a space can be and still have it fit.)
ref bounds //The search area
);
//Create a MazeFinder (class definition below), and put him in the bottom
// left corner of the maze
_mf = new MazeFinder();
_mf.Position = new Vector2(-11.5f, -8.0f);
World.Instance.Add(_mf, 2);
//Send him to the upper right, watch him scurry
_mf.GoTo(Vector2.Zero);
// Register this object as the mouse listener
InputManager.Instance.RegisterMouseListener(this);
//Demo housekeeping below this point.
#region Demo housekeeping
String description = "This little dude is pathfinding through the area.";
description += "\n\nClick the mouse to give him a new target.";
description += "\n\nPress [B] to see the pathfinding graph.";
TextActor t = new TextActor("Console", description);
t.TextAlignment = TextActor.Alignment.Center;
t.Position = new Vector2(0.0f, -5.0f);
World.Instance.Add(t, 2);
TextActor fileLoc = new TextActor("ConsoleSmall", "DemoScreenPathfinding.cs");
fileLoc.Position = World.Instance.Camera.ScreenToWorld(5, 755);
fileLoc.Color = new Color(.3f, .3f, .3f);
World.Instance.Add(fileLoc, 2);
_objects.Add(fileLoc);
_objects.Add(t);
_objects.Add(_mf);
Actor[] walls = TagCollection.Instance.GetObjectsTagged("maze_wall");
foreach(Actor a in walls)
_objects.Add(a);
#endregion
}
public override void Stop()
{
SpatialGraphManager.Instance.DrawGraph = false;
_mf = null;
base.Stop();
}