private void TreasureSeekUpdate(GameTime gameTime)
{
Treasure t = stage.GetClosestTreasure(agentObject.Translation);
if (t == null)
{
// No more treasure. Stop Moving
state = NPAgentState.DONE;
return;
}
if (treasureNav == null || treasureNav.Translation != t.Obj.Translation)
{
treasureNav = new NavNode(t.Obj.Translation, NavNode.NavNodeEnum.WAYPOINT);
agentObject.turnToFace(treasureNav.Translation);
}
ObjectAvoidance();
float distance = Vector3.Distance(
new Vector3(treasureNav.Translation.X, 0, treasureNav.Translation.Z),
new Vector3(agentObject.Translation.X, 0, agentObject.Translation.Z));
stage.setInfo(15, stage.agentLocation(this));
stage.setInfo(16,
string.Format(" nextGoal ({0:f0}, {1:f0}, {2:f0}) distance to next goal = {3,5:f2})",
treasureNav.Translation.X / stage.Spacing, treasureNav.Translation.Y, treasureNav.Translation.Z / stage.Spacing, distance));
// Add in the bounding sphere radius to make distance 200 from edge of bounding box instead of 200 from center of object
if (distance <= (tagDistance + t.BoundingSphereRadius))
{
//Tag the treasure so it can't be found again.
stage.TagTreasure(t, this);
this.treasuresFound++;
//Found treasure, stop seeking and switch states.
treasureNav = null;
Treasure anyMore = stage.GetClosestTreasure(agentObject.Translation);
if (anyMore != null)
{
state = NPAgentState.PATH_SEEK;
// snap to nextGoal and orient toward the new nextGoal
agentObject.turnToFace(nextGoal.Translation);
}
else
{
state = NPAgentState.DONE;
}
}
}
{ 445, 460 } }; // loop return
/// <summary>
/// Create a NPC.
/// AGXNASK distribution has npAgent move following a Path.
/// </summary>
/// <param name="theStage"> the world</param>
/// <param name="label"> name of </param>
/// <param name="pos"> initial position </param>
/// <param name="orientAxis"> initial rotation axis</param>
/// <param name="radians"> initial rotation</param>
/// <param name="meshFile"> Direct X *.x Model in Contents directory </param>
public NPAgent(Stage theStage, string label, Vector3 pos, Vector3 orientAxis,
float radians, string meshFile)
: base(theStage, label, pos, orientAxis, radians, meshFile)
{ // change names for on-screen display of current camera
IsCollidable = true; // players test collision with Collidable set.
stage.Collidable.Add(agentObject); // player's agentObject can be collided with by others.
InitSensors();
state = NPAgentState.PATH_SEEK;
first.Name = "npFirst";
follow.Name = "npFollow";
above.Name = "npAbove";
// Flip a coin. If 0, Go Normal Path. If 1, reverse order of list (Go backwards)
Random r = new Random();
int coinFlip = r.Next(2);
if (coinFlip == 0)
{
stage.setInfo(17, "Direction: Regular");
path = new Path(stage, pathNode, Path.PathType.LOOP); // continuous search path
}
else
{
stage.setInfo(17, "Direction: Backwards");
path = new Path(stage, pathNode, Path.PathType.BACKWARDS); // continuous search path backwards *ADDITION
}
// path is built to work on specific terrain, make from int[x,z] array pathNode
stage.Components.Add(path);
nextGoal = path.NextNode; // get first path goal
agentObject.turnToFace(nextGoal.Translation); // orient towards the first path goal
// set snapDistance to be a little larger than step * stepSize
snapDistance = (int)(1.5 * (agentObject.Step * agentObject.StepSize));
}
public void FindTreasure()
{
state = NPAgentState.TREASURE_SEEK;
}
