コード例 #1
0
ファイル: FleeBehavior.cs プロジェクト: chrsjwilliams/Quiet
    public override Vector2 CalculateMove(FlockAgent agent, List <Transform> context, Flock flock)
    {
        if (!(Services.Scenes.CurrentScene is GameSceneScript))
        {
            return(Vector2.zero);
        }
        // If no neighbors, return no adjustment
        if (context.Count == 0)
        {
            return(Vector2.zero);
        }

        // Average all points
        Vector2 avoidancenMove = Vector2.zero;
        int     nAvoid         = 0;
        bool    contains       = false;

        if (ContextContains(((GameSceneScript)Services.Scenes.CurrentScene).PlayerFlock.Player.transform, context))
        {
            contains = true;
        }
        else
        {
            agent.moreAnxious = false;
            agent.SetAnxietyLevel(Mathf.Lerp(agent.AnxietyLevel, FlockAgent.MIN_ANXIETY_LEVEL, Easing.BackEaseOut(Time.deltaTime)));
        }

        if (agent.ContextContainsPlayer && agent.ContextContainsPlayer != contains && agent.Status == FlockAgent.AgentStatus.ANXIOUS)
        {
            Services.GameEventManager.Fire(new PlayerLeftContextEvent(agent));
        }
        agent.SetContextContainsPlayer(contains);
        List <Transform> filterContext = (filter == null) ? context : filter.Filter(agent, context);

        float avoidanceRadius = flock ? flock.SquareAvoidanceRadius : m_defaultSquareAvoidanceRadius;

        avoidanceRadius *= agent.AnxietyLevel;


        foreach (Transform item in filterContext)
        {
            // If an item is within the avoidanceRadius
            if (Vector2.SqrMagnitude(item.position - agent.transform.position) <
                avoidanceRadius && mask == (mask | (1 << item.gameObject.layer)))
            {
                agent.SetAnxietyLevel(Mathf.Lerp(agent.AnxietyLevel, FlockAgent.MAX_ANXIETY_LEVEL, Easing.BackEaseOut(Time.deltaTime)));
                agent.moreAnxious = true;

                //Add to items to avoid and calculate the direction to move to avoid
                nAvoid++;
                avoidancenMove += (Vector2)(agent.transform.position - item.position);
            }
        }

        if (nAvoid > 0)
        {
            avoidancenMove /= nAvoid;
        }

        return(avoidancenMove);
    }