public override void Do(Entity entity)
{
double squaredDistance = Utilities.SquaredDistance(entity.Position, fleeObject.Position);
if (squaredDistance < entity.VisionRange * entity.VisionRange)
{
double x = entity.Position.X + entity.Position.X - fleeObject.Position.X;
double y = entity.Position.Y + entity.Position.Y - fleeObject.Position.Y;
activeAction = new GotoAction(x, y, entity.Size);
activeAction.Do(entity);
}
else
{
entity.ApplyNeedDeltas(UtilityDeltas);
End();
}
if (activeAction != null && activeAction.State == ActionState.Failure) // If the entity has hit a wall while running away, head to a random point.
{
OrderedPair <int> randomPoint = Utilities.GetDirectionalPoint(entity.CollisionDirection, entity.Position);
activeAction = new GotoAction(randomPoint.X, randomPoint.Y, entity.Size);
}
}
public override void Do(Entity entity)
{
moveTime++;
moveAction.Do(entity); // GotoAction checks collision with destination and hitting walls.
bool result = moveAction.IsActive;
if (moveTime == changeCount) // Change directions after a set time.
{
moveTime = 0;
double d = Utilities.Rng.NextDouble();
if (d < changeProbability)
{
// Applies goto to set direction to (x, y). Goto applies Move(). False means the entity hit a wall and needs to head to another square.
destination = Utilities.GetRandomPoint();
moveAction = new GotoAction(destination.X, destination.Y, entitySize);
}
else if (d > 0.75)
{
entity.Stop();
}
}
// The entity has hit a wall or reached the destination.
else if (!result && entity.CollisionDirection != Direction.None)
{
destination = Utilities.GetDirectionalPoint(entity.CollisionDirection, entity.Position);
moveAction = new GotoAction(destination.X, destination.Y, entitySize);
}
//entity.ApplyNeedDeltas(UtilityDeltas);
// Advertise needs deltas to entities but don't actually give them the reward. This is for a default action.
}
