/// <summary>
/// Constructor
/// </summary>
public SmellCatch(Character owner)
: base()
{
this.owner = owner;
// Create the blending behaviors
BehaviorAndWeight a = new BehaviorAndWeight(new LookWhereYoureGoing(), 1);
BehaviorAndWeight b = new BehaviorAndWeight(new ObstacleAvoidance(), 0.5f);
BehaviorAndWeight c = new BehaviorAndWeight(new FriendsAvoidance(owner), 2);
FollowPath f = new FollowPath();
f.heuristic = 's';
BehaviorAndWeight d = new BehaviorAndWeight(f, 1.5f);
// Add them to the list
blending.behaviors.Add(a);
blending.behaviors.Add(b);
blending.behaviors.Add(c);
blending.behaviors.Add(d);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="owner">The character who owns this behavior</param>
public Separation(Character owner)
{
this.owner = owner;
}
/// <summary>
/// Calculates a collision in the specified range, between position and moveAmount
/// </summary>
/// <param name="position">Initial position of the ray</param>
/// <param name="moveAmount">Range to check</param>
/// <returns>A collision if found</returns>
public static Collision GetCollision(Vector3 position, Vector3 moveAmount, Character owner)
{
// Stuff to build the ray
Vector3 unit = new Vector3(moveAmount.X, moveAmount.Y, moveAmount.Z);
unit.Normalize();
Ray ray = new Ray(position, unit);
Vector3 minNormal = Vector3.Zero;
float min = float.PositiveInfinity;
// Find a collision with enemies only
foreach (Enemy squorre in GameMode.squorres)
{
if (squorre == owner)
continue;
float? res = squorre.bound.Intersects(ray);
if (res.HasValue && res < min)
{
min = (float)res;
minNormal = new Vector3(moveAmount.X, moveAmount.Y, moveAmount.Z) * -1;
minNormal.Normalize();
}
}
Collision collision = new Collision();
// Check if there is a collision
if (!float.IsPositiveInfinity(min))
{
// Find the collision spot and compare it to the move amount
Vector3 spot = ray.Position + ray.Direction * min;
spot.Z = 0;
// If the spot is within the move amount range, save it in the collision
if ((spot - position).Length() <= moveAmount.Length())
{
collision.position = spot;
collision.normal = minNormal;
}
}
return collision;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="character">Character owner of this sensor</param>
public Sensor(Character character)
: base(character)
{
}
