private int snapDistance = 20; // this should be a function of step and stepSize
#endregion Fields
#region Constructors
/// <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
first.Name = "npFirst";
follow.Name = "npFollow";
above.Name = "npAbove";
// path is built to work on specific terrain, make from int[x,z] array pathNode
path = new Path(stage, pathNode, Path.PathType.LOOP); // continuous search path
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 buildGraph()
{
List<NavNode> list = new List<NavNode>();
for (int x = 0; x < 513; x = x + 21)
for (int z = 0; z < 513; z = z + 21)
{
NavNode node = new NavNode(new Vector3(x * spacing, stage.Terrain.surfaceHeight(x, z), z * spacing), NavNode.NavNodeEnum.WAYPOINT);
for (int i = 0; i < stage.Collidable.Count; i++)
{
if (accessible(node.Translation, stage.Collidable[i].Translation, stage.Collidable[i].ObjectBoundingSphereRadius))
list.Add(node);
}
graph.Add(skey(x, z), node);
open.Add(node);
}
NavNode node_treasure = new NavNode(new Vector3( 457, stage.Terrain.surfaceHeight(457, 453), 453), NavNode.NavNodeEnum.WAYPOINT);
list.Add(node_treasure);
graph.Add(skey(457, 453), node_treasure);
open.Add(node_treasure);
node_treasure = new NavNode(new Vector3(435, stage.Terrain.surfaceHeight(435, 424), 424), NavNode.NavNodeEnum.WAYPOINT);
list.Add(node_treasure);
graph.Add(skey(435, 424), node_treasure);
open.Add(node_treasure);
node_treasure = new NavNode(new Vector3(465, stage.Terrain.surfaceHeight(465, 453), 453), NavNode.NavNodeEnum.WAYPOINT);
list.Add(node_treasure);
graph.Add(skey(465, 453), node_treasure);
open.Add(node_treasure);
node_treasure = new NavNode(new Vector3(485, stage.Terrain.surfaceHeight(485, 420), 420), NavNode.NavNodeEnum.WAYPOINT);
list.Add(node_treasure);
graph.Add(skey(485, 420), node_treasure);
open.Add(node_treasure);
node_treasure = new NavNode(new Vector3(424, stage.Terrain.surfaceHeight(424, 444), 444), NavNode.NavNodeEnum.WAYPOINT);
list.Add(node_treasure);
graph.Add(skey(425, 444), node_treasure);
open.Add(node_treasure);
Path path = new Path(stage, list, Path.PathType.SINGLE);
stage.Components.Add(path);
}
