示例#1
0
    //generate a new point toward the given point
    Vector3 ReachPoint(Vector3 anchor, Vector3 target, Vector3 center)
    {
        //this will return an angle, but we cannot know if that angle is to add or subtract from the direction...
        float curve = Support.AngleBetweenVector2(new Vector2(anchor.x, anchor.z), new Vector2(target.x, target.z), new Vector2(center.x, center.z));

        if (Math.Abs(curve) > maxAngleD)
        {
            curve = maxAngleD;
        }
        //...so we test both...
        float   direction1 = direction + curve;  //the first choosed direction
        float   direction2 = direction - curve;  //opposite direction, considering the turn
        Vector3 point1     = Support.MovePoint(center, direction1, segmentLen);
        Vector3 point2     = Support.MovePoint(center, direction2, segmentLen);

        ///..and we see wich one is the correct one (nearest to the point we want to reach)
        if (Vector3.Distance(point1, target) < Vector3.Distance(point2, target))
        {
            direction = direction1;
            //points.Add(point1);
            directions.Add(direction);

            return(point1);
        }
        else
        {
            direction = direction2;
            directions.Add(direction);

            //points.Add(point2);
            return(point2);
        }
    }