public static BTResult StayNearLeader(Animal agent, float maxDistance)
{
var leader = GetLeader(agent);
if (leader == null)
{
return(BTResult.Failure("No leader"));
}
if (leader == agent)
{
return(BTResult.Failure("We are the leader"));
}
var leaderPosition = leader.Position;
var dist = Vector3.WrappedDistance(agent.Position, leaderPosition);
if (dist > maxDistance)
{
// try to stay near alpha
return(MovementBehaviors.LandMovement(agent, Vector3.WrappedDirectionalVector(leaderPosition, agent.Position).XZ,
leader.State != AnimalState.Flee,
AnimalState.Wander,
minDirectionOffsetDegrees: MovementBehaviors.FleeMinAngle,
maxDirectionOffsetDegrees: MovementBehaviors.FleeMaxAngle).Append($"Leader {dist:0.#}m away"));
}
return(BTResult.Failure($"Leader close enough: {dist}m"));
}
public static BTStatus FollowLeader(Animal agent, float maxDistance)
{
var leader = GetLeader(agent);
if (leader == null || leader == agent)
{
return(BTStatus.Failure);
}
if (Vector3.WrappedDistance(agent.Position, leader.Position) > maxDistance)
{
// try to stay near alpha
return(MovementBehaviors.LandMovement(agent, Vector3.WrappedDirectionalVector(leader.Target.TargetPosition, agent.Position).XZ,
leader.AnimationState == AnimalAnimationState.Flee ? agent.Species.Speed : agent.Species.WanderingSpeed, AnimalAnimationState.Wander));
}
return(BTStatus.Failure);
}
