x() public method

Returns the x-coordinate of this two-dimensional vector. *
public x ( ) : float
return float
Example #1
0
        /**
         * <summary>Select the Leader of the agent</summary>
         */
        void selectLeader()
        {
            leader_ = null;
            for (int neighbor_id = 0; neighbor_id < agentNeighbors_.Count; ++neighbor_id)
            {
                Agent   neighbor           = agentNeighbors_[neighbor_id].Value;
                Vector2 relative_pos       = neighbor.position_ - position_;
                float   alpha              = Vector2.angle(velocity_);
                Vector2 local_relative_pos = Vector2.rotation(relative_pos, -alpha);
                Vector2 local_velocity     = Vector2.rotation(neighbor.velocity_, -alpha);
                float   alpha_v            = Vector2.angle(local_velocity);

                if (local_relative_pos.x() > 0 &&
                    local_relative_pos.x() < 1.5 &&
                    Math.Abs(local_relative_pos.y()) < this.radius_ + neighbor.radius_ &&
                    Math.Abs(alpha_v) < Math.PI / 6 &&
                    local_velocity.x() >= 0
                    )
                {
                    if (leader_ == null)
                    {
                        leader_ = neighbor;
                    }
                    else
                    {
                        Vector2 leader_relative_pos       = leader_.position_ - position_;
                        Vector2 leader_local_relative_pos = Vector2.rotation(leader_relative_pos, -alpha);
                        if (leader_local_relative_pos.x() > local_relative_pos.x())
                        {
                            leader_ = neighbor;
                        }
                    }
                }
            }
        }
Example #2
0
        public void updateVelo()
        {
            //Debug.Log("Agent " + agentId + " - " + RVOMath.abs(agentReference.velocity_) + " with path length" + path);

            //If the agent doesnt have a path but it needs to move to avoid collision
            if (pathStatus == -1 && RVOMath.abs(AgentReference.velocity_) >= 0.01f && !forced)
            {
                forced         = true;
                stableLocation = transform.position;
            }

            goalDirection = new Vector2(AgentReference.velocity_.x() / RVOMagnify.Magnify,
                                        AgentReference.velocity_.y() / RVOMagnify.Magnify);
            transform.position = new Vector3(AgentReference.position_.x_ / RVOMagnify.Magnify,
                                             transform.position.y, AgentReference.position_.y_ / RVOMagnify.Magnify);

            if (new Vector3(goalDirection.x(), 0f, goalDirection.y()).magnitude != 0)
            {
                Quaternion rotation = Quaternion.LookRotation(new Vector3(goalDirection.x(), 0f, goalDirection.y()));
                rotation.x         = 0;
                rotation.z         = 0;
                transform.rotation = Quaternion.Slerp(transform.rotation, rotation, Time.deltaTime * RVOMagnify.Magnify);
            }

            //   }
            //    Debug.Log("goal direction:" + goalDirection + "with length" + RVOMath.abs(goalDirection)+" Velocity is:" + new Vector3(agentReference.velocity_.x(), 0, agentReference.velocity_.y()));
            //Debug.Log("Pos" + transform.position + "with RVO" + agentReference.position_ );
        }
Example #3
0
        /*!
         *  @brief      Computes a rotated vector of the specified two-dimensional
         *              vector with the specified angle
         *  @param      vector          The two-dimensional vector whose rotation
         *                              is to be computed.
         *  @param      double          The angle of the rotation
         *  @returns    The rotation of the two-dimensional vector.
         */
        public static Vector2 rotation(Vector2 vector, float angle)
        {
            float x_prime = (float)Math.Round(Math.Cos(angle) * vector.x() - (float)Math.Sin(angle) * vector.y(), 3);
            float y_prime = (float)Math.Round(Math.Sin(angle) * vector.x() + (float)Math.Cos(angle) * vector.y(), 3);

            return(new Vector2(x_prime, y_prime));
        }
Example #4
0
    public static Vector3 SafeNormalized(this RVO.Vector2 _this)
    {
        float magSqrd = _this.x() * _this.x() + _this.y() * _this.y();

        if (magSqrd > 0.0001f)
        {
            var mag = Mathf.Sqrt(magSqrd);
            return(new Vector3(_this.x() / mag, 0, _this.y() / mag));
        }
        return(Vector3.zero);
    }
Example #5
0
        /*!
         *  @brief      Computes the intersection point of two circles
         *  @param      c1		The center of the first circle
         *  @param      r1		The radius of the first circle
         *  @param      c2		The center of the second circle
         *  @param      r2		The radius of the second circle
         *  @returns    The intersection point
         */
        public static Pair <Vector2, Vector2> intersectOf2Circles(Vector2 c1, float r1, Vector2 c2, float r2)
        {
            Pair <Vector2, Vector2> toReturn = new Pair <Vector2, Vector2>();

            toReturn.First  = new Vector2(Single.PositiveInfinity, Single.PositiveInfinity);
            toReturn.Second = new Vector2(Single.PositiveInfinity, Single.PositiveInfinity);
            if (absSq(c1 - c2) < sqr(r1 - r2) - RVOMath.RVO_EPSILON || absSq(c1 - c2) > sqr(r1 + r2) + RVOMath.RVO_EPSILON)
            {
                // ERROR_ case, no intersection
                return(toReturn);
            }
            else
            {
                if (Math.Abs(c1.y() - c2.y()) < RVOMath.RVO_EPSILON)
                {
                    float x = (sqr(r1) - sqr(r2) - sqr(c1.x()) + sqr(c2.x())) / (2 * (c2.x() - c1.x()));

                    // a = 1
                    float b     = -2 * c2.y();
                    float c     = absSq(c2) - sqr(r2) + sqr(x) - 2 * x * c2.x();
                    float delta = sqr(b) - 4 * c;
                    float y1    = (float)(-b + Math.Sqrt(delta)) / 2;
                    float y2    = (float)(-b - Math.Sqrt(delta)) / 2;

                    toReturn.First  = new Vector2(x, y1);
                    toReturn.Second = new Vector2(x, y2);
                }
                else
                {
                    float M = (c2.x() - c1.x()) / (c2.y() - c1.y());
                    float N = (sqr(r1) - sqr(r2) - absSq(c1) + absSq(c2)) / (2 * (c2.y() - c1.y()));

                    float a = 1 + sqr(M);
                    float b = 2 * (M * (c2.y() - N) - c2.x());
                    float c = absSq(c2) + sqr(N) - 2 * N * c2.y() - sqr(r2);

                    float delta = sqr(b) - 4 * a * c;
                    float x1    = (float)(-b + Math.Sqrt(delta)) / (2 * a);
                    float x2    = (float)(-b - Math.Sqrt(delta)) / (2 * a);
                    float y1    = N - x1 * M;
                    float y2    = N - x2 * M;

                    toReturn.First  = new Vector2(x1, y1);
                    toReturn.Second = new Vector2(x2, y2);
                }
                return(toReturn);
            }
        }
Example #6
0
        /**
         * <summary>Following Behaviour of an agent</summary>
         */
        float followingBehavior()
        {
            // Compute pedestrian angle for local referential
            float alpha = Vector2.angle(velocity_);

            // If there is a leader to follow
            if (leader_ != null)
            {
                if (velocityBuffer_.Count > 0 && leader_.velocityBuffer_.Count > 0)
                {
                    // Compute relative position
                    Vector2 relative_pos       = leader_.position_ - position_;
                    Vector2 local_relative_pos = Vector2.rotation(relative_pos, -alpha);

                    // Compute related velocity with tau delay
                    Vector2 delayed_relative_vel;
                    int     element = (int)Math.Round((velocityBuffer_.Count - 1) - tau_ / sim_.getTimeStep());
                    element = Math.Max(0, element);
                    delayed_relative_vel = leader_.velocityBuffer_[element] - velocityBuffer_[element];
                    Vector2 delayed_local_relative_vel = Vector2.rotation(delayed_relative_vel, -alpha);

                    // Apply following model
                    return(lemercier(delayed_local_relative_vel.x(), local_relative_pos.x()));
                }
                else
                {
                    return(Vector2.rotation(acceleration_, -alpha).x());
                }
            }
            else
            {
                return(Vector2.rotation(acceleration_, -alpha).x());
            }
        }
Example #7
0
 /*!
  *  @brief      Computes the angle to the x axis of the specified
  *				 two-dimensional vector
  *  @param      vector          The two-dimensional vector whose angle
  *								 is to be computed
  *  @returns    The angle of the two-dimensional vector.
  */
 public static float angle(Vector2 vector)
 {
     /*if (vector.x() == 0)
      * return (float)M_PI/2 * (-1 + 2*(vector.y()>0));
      * else{*/
     return((float)Math.Atan2(vector.y(), vector.x()));
     //}
 }
Example #8
0
 /**
  * <summary>Updates the two-dimensional position and two-dimensional
  * velocity of this agent.</summary>
  */
 internal void update()
 {
     if (float.IsNaN(newVelocity_.x()))
     {
         //Debug.LogError("0");
     }
     else
     {
         velocity_  = newVelocity_;
         position_ += velocity_ * Simulator.Instance.timeStep_;
     }
 }
Example #9
0
        /**
         * <summary>Apply the behaviour of following to the agent</summary>
         */
        void applyFollowingBehavior(float following_acc)
        {
            float alpha = Vector2.angle(velocity_);
            // If the result lowers the tangential component of the acceleration,
            // apply this tangential acceleration to compute the new velocity
            Vector2 local_acceleration = Vector2.rotation(acceleration_, -alpha);

            if (following_acc < local_acceleration.x())
            {
                Vector2 local_new_acceleration = new Vector2(following_acc, local_acceleration.y());
                acceleration_ = Vector2.rotation(local_new_acceleration, alpha);
                newVelocity_  = velocity_ + acceleration_ * sim_.getTimeStep();
            }
        }
Example #10
0
    void Update()
    {
        fpsTimer += Time.deltaTime;
        fpsCounter++;
        if (fpsTimer >= 1.0f)
        {
            fps        = fpsCounter / fpsTimer;
            fpsTimer   = 0;
            fpsCounter = 0;
        }

        if (!isRunning)
        {
            return;
        }


        int numAgents = RVO.Simulator.Instance.getNumAgents();

        for (int i = 0; i < numAgents; ++i)
        {
            RVO.Vector2 curPos = RVO.Simulator.Instance.getAgentPosition(robotAgentIds[i]);
            robots[i].position = new Vector3(curPos.x(), 0, curPos.y());


            RVO.Vector2 goalVector = goals[i] - curPos;
            if (RVO.RVOMath.absSq(goalVector) > 1.0f)
            {
                goalVector = RVO.RVOMath.normalize(goalVector) * speed;
            }
            RVO.Simulator.Instance.setAgentPrefVelocity(robotAgentIds[i], goalVector);

            /* Perturb a little to avoid deadlocks due to perfect symmetry. */
            float angle = (float)random.NextDouble() * 2.0f * (float)Mathf.PI;
            float dist  = (float)random.NextDouble() * 0.1f;

            RVO.Simulator.Instance.setAgentPrefVelocity(robotAgentIds[i],
                                                        RVO.Simulator.Instance.getAgentPrefVelocity(robotAgentIds[i]) +
                                                        dist * new RVO.Vector2((float)Mathf.Cos(angle), (float)Mathf.Sin(angle)));
        }

        RVO.Simulator.Instance.doStep();
    }
Example #11
0
        private void placeAgents()
        {
            NormalDistribution normal = new NormalDistribution();

            normal.Mu    = 1.2;
            normal.Sigma = Math.Sqrt(0.3);

            MT19937Generator  generator = new MT19937Generator();
            StandardGenerator sg        = new StandardGenerator();

            ContinuousUniformDistribution x_distribution = new ContinuousUniformDistribution(generator);
            NormalDistribution            y_distribution = new NormalDistribution(generator);

            y_distribution.Mu    = corridor_width_ / 2;
            y_distribution.Sigma = sim_.getDefaultRadius();
            for (int ped = 0; ped < ped_num_; ped++)
            {  // Place Agent
                float x = (float)x_distribution.NextDouble() * corridor_length_ % corridor_length_;
                float y = (float)((y_distribution.NextDouble() * corridor_width_) - 9) % corridor_width_;

                Vector2 position = new Vector2(x, Math.Abs(y));
                position = Vector2.rotation(position, corridor_angle_);

                sim_.addAgent(position, model_type_, follow_, group_);

                addAgent(prefab, new Vector3(position.x(), 0, position.y()), sim_.getDefaultRadius());


                step_stop.Add(0);

                // Set agent max speeds
                sim_.setAgentMaxSpeed(ped, (float)normal.NextDouble());
                if (sim_.getAgentMaxSpeed(ped) > 2.0f)
                {
                    sim_.setAgentMaxSpeed(ped, 2.0f);
                }
                if (sim_.getAgentMaxSpeed(ped) < 0.3f)
                {
                    sim_.setAgentMaxSpeed(ped, 0.3f);
                }

                // Set agent's goal

                /* Change the switch in case 2 like :
                 * Instantiate 2 Agents (one at each side) in a geometric way
                 * Add color and goals.
                 */
                switch (fluxes_)
                {
                case 1:
                {
                    Vector2 corridor_end = new Vector2(corridor_length_ + 100, y);
                    //Vector2 corridor_end = new Vector2(corridor_length_ + 12, y);
                    corridor_end = Vector2.rotation(corridor_end, corridor_angle_);
                    sim_.setAgentGoal(ped, corridor_end);
                    break;
                }

                case 2:
                {
                    if (ped < ped_num_ / 2)
                    {
                        Vector2 corridor_end = new Vector2(corridor_length_ + 1, y);
                        corridor_end = Vector2.rotation(corridor_end, corridor_angle_);
                        agents[ped].transform.GetComponent <MeshRenderer>().material.color = new Color(1, 0, 0);
                        sim_.setAgentGoal(ped, corridor_end);
                    }
                    else
                    {
                        Vector2 corridor_start = new Vector2(-100, y);
                        corridor_start = Vector2.rotation(corridor_start, corridor_angle_);
                        agents[ped].transform.GetComponent <MeshRenderer>().material.color = new Color(0, 0, 1);
                        sim_.setAgentGoal(ped, corridor_start);
                    }
                    break;
                }

                default:
                    break;
                }
            }
        }
Example #12
0
        public override void interactWith(SuperAgent agent)
        {
            SuperAgent other = agent;

            Vector2 relativePosition = other.position_ - position_;
            Vector2 relativeVelocity = velocity_ - other.velocity_;
            float   distSq           = (float)Math.Round(Vector2.absSq(relativePosition), 3);
            float   combinedRadius   = radius_ + other.radius_;
            float   combinedRadiusSq = (float)Math.Round(Vector2.sqr(combinedRadius), 3);
            Vector2 w    = new Vector2();
            Line    line = new Line();
            Vector2 u;

            if (distSq > combinedRadiusSq)
            {
                /* No collision. */
                w = relativeVelocity - (1.0f / timeHorizon_) * relativePosition;

                /* Vector from cutoff center to relative velocity. */
                float   wLengthSq = Vector2.absSq(w);
                Vector2 unitW     = new Vector2();

                float dotProduct1 = w * relativePosition;
                if (dotProduct1 < 0.0f && Vector2.sqr(dotProduct1) > combinedRadiusSq * wLengthSq)
                {
                    /* Project on cut-off circle. */
                    float wLength = (float)Math.Round(Math.Sqrt(wLengthSq), 3);
                    unitW          = w / wLength;
                    line.direction = new Vector2(unitW.y(), -unitW.x());
                    u = (combinedRadius * (1.0f / timeHorizon_) - wLength) * unitW;
                }
                else
                {
                    /* Project on legs. */
                    float leg = (float)Math.Round(Math.Sqrt(distSq - combinedRadiusSq), 3);
                    if (Vector2.det(relativePosition, w) > 0.0f)
                    {
                        /* Project on left leg. */
                        line.direction = new Vector2(relativePosition.x() * leg - relativePosition.y() * combinedRadius, relativePosition.x() * combinedRadius + relativePosition.y() * leg) / distSq;
                    }
                    else
                    {
                        /* Project on right leg. */
                        line.direction = -new Vector2(relativePosition.x() * leg + relativePosition.y() * combinedRadius, -relativePosition.x() * combinedRadius + relativePosition.y() * leg) / distSq;
                    }

                    float dotProduct2 = (float)Math.Round(relativeVelocity * line.direction, 3);
                    u = dotProduct2 * line.direction - relativeVelocity;
                }
            }
            else
            {
                /* Collision. Project on cut-off circle of time timeStep. */
                float invTimeStep = (float)Math.Round(1.0f / sim_.getTimeStep(), 3);

                /* Vector from cutoff center to relative velocity. */
                w = relativeVelocity - invTimeStep * relativePosition;

                float   wLength = (float)Math.Round(Vector2.abs(w), 3);
                Vector2 unitW   = w / wLength;

                line.direction = new Vector2(unitW.y(), -unitW.x());
                u = (combinedRadius * invTimeStep - wLength) * unitW;
            }
            // This is where you can choose the proportion of responsabilities that each agents takes in avoiding collision
            line.point = velocity_ + 0.5f * u;
            orcaLines_.Add(line);
        }
Example #13
0
 private double getDistance(Vector2 v1, Vector2 v2)
 {
     return(Math.Sqrt(Math.Pow(v2.x() - v1.x(), 2) + Math.Pow(v2.y() - v1.y(), 2)));
 }
Example #14
0
 Vector3 toUnityPosition(RVO.Vector2 agentVector)
 {
     return(new Vector3(agentVector.x(), transform.position.y, agentVector.y()));
 }
Example #15
0
        public override void interactWith(Obstacle obstacle)

        {
            Obstacle obstacle1 = obstacle;
            Obstacle obstacle2 = obstacle1.next_;

            Vector2 relativePosition1 = obstacle1.point_ - position_;
            Vector2 relativePosition2 = obstacle2.point_ - position_;

            /*
             * Check if velocity obstacle of obstacle is already taken care of by
             * previously constructed obstacle ORCA lines.
             */
            bool alreadyCovered = false;

            for (int j = 0; j < orcaLines_.Count; ++j)
            {
                if (Vector2.det((1.0f / timeHorizonObst_) * relativePosition1 - orcaLines_[j].point, orcaLines_[j].direction) - (1.0f / timeHorizonObst_) * radius_ >= -RVO_EPSILON &&
                    Vector2.det((1.0f / timeHorizonObst_) * relativePosition2 - orcaLines_[j].point, orcaLines_[j].direction) - (1.0f / timeHorizonObst_) * radius_ >= -RVO_EPSILON)
                {
                    alreadyCovered = true;
                    break;
                }
            }

            if (alreadyCovered)
            {
                return;
            }

            /* Not yet covered. Check for collisions. */

            float distSq1 = Vector2.absSq(relativePosition1);
            float distSq2 = Vector2.absSq(relativePosition2);

            float radiusSq = Vector2.sqr(radius_);

            Vector2 obstacleVector = obstacle2.point_ - obstacle1.point_;
            float   s          = (-relativePosition1 * obstacleVector) / Vector2.absSq(obstacleVector);
            float   distSqLine = Vector2.absSq(-relativePosition1 - s * obstacleVector);

            Line line;

            if (s < 0 && distSq1 <= radiusSq)
            {
                /* Collision with left vertex. Ignore if non-convex. */
                if (obstacle1.convex_)
                {
                    line.point     = new Vector2(0, 0);
                    line.direction = Vector2.normalize(new Vector2(-relativePosition1.y(), relativePosition1.x()));
                    orcaLines_.Add(line);
                }
                return;
            }
            else if (s > 1 && distSq2 <= radiusSq)
            {
                /* Collision with right vertex. Ignore if non-convex
                 * or if it will be taken care of by neighoring obstace */
                if (obstacle2.convex_ && Vector2.det(relativePosition2, obstacle2.direction_) >= 0)
                {
                    line.point     = new Vector2(0, 0);
                    line.direction = Vector2.normalize(new Vector2(-relativePosition2.y(), relativePosition2.x()));
                    orcaLines_.Add(line);
                }
                return;
            }
            else if (s >= 0 && s < 1 && distSqLine <= radiusSq)
            {
                /* Collision with obstacle segment. */
                line.point     = new Vector2(0, 0);
                line.direction = -obstacle1.direction_;
                orcaLines_.Add(line);
                return;
            }

            /*
             * No collision.
             * Compute legs. When obliquely viewed, both legs can come from a single
             * vertex. Legs extend cut-off line when nonconvex vertex.
             */

            Vector2 leftLegDirection, rightLegDirection;

            if (s < 0 && distSqLine <= radiusSq)
            {
                /*
                 * Obstacle viewed obliquely so that left vertex
                 * defines velocity obstacle.
                 */
                if (!obstacle1.convex_)
                {
                    /* Ignore obstacle. */
                    return;
                }

                obstacle2 = obstacle1;

                float leg1 = (float)Math.Sqrt(distSq1 - radiusSq);
                leftLegDirection  = new Vector2(relativePosition1.x() * leg1 - relativePosition1.y() * radius_, relativePosition1.x() * radius_ + relativePosition1.y() * leg1) / distSq1;
                rightLegDirection = new Vector2(relativePosition1.x() * leg1 + relativePosition1.y() * radius_, -relativePosition1.x() * radius_ + relativePosition1.y() * leg1) / distSq1;
            }
            else if (s > 1 && distSqLine <= radiusSq)
            {
                /*
                 * Obstacle viewed obliquely so that
                 * right vertex defines velocity obstacle.
                 */
                if (!obstacle2.convex_)
                {
                    /* Ignore obstacle. */
                    return;
                }

                obstacle1 = obstacle2;

                float leg2 = (float)Math.Sqrt(distSq2 - radiusSq);
                leftLegDirection  = new Vector2(relativePosition2.x() * leg2 - relativePosition2.y() * radius_, relativePosition2.x() * radius_ + relativePosition2.y() * leg2) / distSq2;
                rightLegDirection = new Vector2(relativePosition2.x() * leg2 + relativePosition2.y() * radius_, -relativePosition2.x() * radius_ + relativePosition2.y() * leg2) / distSq2;
            }
            else
            {
                /* Usual situation. */
                if (obstacle1.convex_)
                {
                    float leg1 = (float)Math.Sqrt(distSq1 - radiusSq);
                    leftLegDirection = new Vector2(relativePosition1.x() * leg1 - relativePosition1.y() * radius_, relativePosition1.x() * radius_ + relativePosition1.y() * leg1) / distSq1;
                }
                else
                {
                    /* Left vertex non-convex; left leg extends cut-off line. */
                    leftLegDirection = -obstacle1.direction_;
                }

                if (obstacle2.convex_)
                {
                    float leg2 = (float)Math.Sqrt(distSq2 - radiusSq);
                    rightLegDirection = new Vector2(relativePosition2.x() * leg2 + relativePosition2.y() * radius_, -relativePosition2.x() * radius_ + relativePosition2.y() * leg2) / distSq2;
                }
                else
                {
                    /* Right vertex non-convex; right leg extends cut-off line. */
                    rightLegDirection = obstacle1.direction_;
                }
            }

            /*
             * Legs can never point into neighboring edge when convex vertex,
             * take cutoff-line of neighboring edge instead. If velocity projected on
             * "foreign" leg, no constraint is added.
             */

            Obstacle leftNeighbor = obstacle1.previous_;

            bool isLeftLegForeign  = false;
            bool isRightLegForeign = false;


            if (obstacle.convex_ && Vector2.det(leftLegDirection, -leftNeighbor.direction_) >= 0.0f)
            {
                /* Left leg points into obstacle. */
                leftLegDirection = -leftNeighbor.direction_;
                isLeftLegForeign = true;
            }

            if (obstacle2.convex_ && Vector2.det(rightLegDirection, obstacle2.direction_) <= 0.0f)
            {
                /* Right leg points into obstacle. */
                rightLegDirection = obstacle2.direction_;
                isRightLegForeign = true;
            }

            /* Compute cut-off centers. */
            Vector2 leftCutoff  = (1.0f / timeHorizonObst_) * (obstacle1.point_ - position_);
            Vector2 rightCutoff = (1.0f / timeHorizonObst_) * (obstacle2.point_ - position_);
            Vector2 cutoffVec   = rightCutoff - leftCutoff;

            /* Project current velocity on velocity obstacle. */

            /* Check if current velocity is projected on cutoff circles. */
            float t      = (obstacle1 == obstacle2 ? 0.5f : ((velocity_ - leftCutoff) * cutoffVec) / Vector2.absSq(cutoffVec));
            float tLeft  = ((velocity_ - leftCutoff) * leftLegDirection);
            float tRight = ((velocity_ - rightCutoff) * rightLegDirection);

            if ((t < 0.0f && tLeft < 0.0f) || (obstacle1 == obstacle2 && tLeft < 0.0f && tRight < 0.0f))
            {
                /* Project on left cut-off circle. */
                Vector2 unitW = Vector2.normalize(velocity_ - leftCutoff);

                line.direction = new Vector2(unitW.y(), -unitW.x());
                line.point     = leftCutoff + radius_ * (1.0f / timeHorizonObst_) * unitW;
                orcaLines_.Add(line);
                return;
            }
            else if (t > 1.0f && tRight < 0.0f)
            {
                /* Project on right cut-off circle. */
                Vector2 unitW = Vector2.normalize(velocity_ - rightCutoff);

                line.direction = new Vector2(unitW.y(), -unitW.x());
                line.point     = rightCutoff + radius_ * (1.0f / timeHorizonObst_) * unitW;
                orcaLines_.Add(line);
                return;
            }

            /*
             * Project on left leg, right leg, or cut-off line, whichever is closest
             * to velocity.
             */
            float distSqCutoff = ((t <0.0f || t> 1.0f || obstacle1 == obstacle2) ? Single.PositiveInfinity : Vector2.absSq(velocity_ - (leftCutoff + t * cutoffVec)));
            float distSqLeft   = ((tLeft < 0.0f) ? Single.PositiveInfinity : Vector2.absSq(velocity_ - (leftCutoff + tLeft * leftLegDirection)));
            float distSqRight  = ((tRight < 0.0f) ? Single.PositiveInfinity : Vector2.absSq(velocity_ - (rightCutoff + tRight * rightLegDirection)));

            if (distSqCutoff <= distSqLeft && distSqCutoff <= distSqRight)
            {
                /* Project on cut-off line. */
                line.direction = -obstacle1.direction_;
                line.point     = leftCutoff + radius_ * (1.0f / timeHorizonObst_) * new Vector2(-line.direction.y(), line.direction.x());
                orcaLines_.Add(line);
                return;
            }
            else if (distSqLeft <= distSqRight)
            {
                /* Project on left leg. */
                if (isLeftLegForeign)
                {
                    return;
                }

                line.direction = leftLegDirection;
                line.point     = leftCutoff + radius_ * (1.0f / timeHorizonObst_) * new Vector2(-line.direction.y(), line.direction.x());
                orcaLines_.Add(line);
                return;
            }
            else
            {
                /* Project on right leg. */
                if (isRightLegForeign)
                {
                    return;
                }

                line.direction = -rightLegDirection;
                line.point     = rightCutoff + radius_ * (1.0f / timeHorizonObst_) * new Vector2(-line.direction.y(), line.direction.x());
                orcaLines_.Add(line);
                return;
            }
        }
Example #16
0
 Vector3 toUnityVector2(RVO.Vector2 param)
 {
     return(new UnityEngine.Vector2(param.x(), param.y()));
 }
Example #17
0
 Vector3 toUnityVector(RVO.Vector2 param)
 {
     return(new Vector3(param.x(), 0, param.y()));
 }
Example #18
0
        /* Search for the best target velocity. */
        public void computeTargetVelocity()
        {
            orcaLines_.Clear();

            float invTimeHorizonObst = 1.0f / timeHorizonObst_;


            int numObstLines = orcaLines_.Count;

            float invTimeHorizon = 1.0f / timeHorizon_;

            /* Create agent ORCA lines. */
            for (int i = 0; i < agentNeighbors_.Count; ++i)
            {
                RVOAgent other            = agentNeighbors_[i].Value;
                Vector2  relativePosition = other.Position - Position;
                Vector2  relativeVelocity = TargetVelocity - other.TargetVelocity;
                float    distSq           = RVOMath.absSq(relativePosition);
                float    combinedRadius   = Radius + other.Radius;
                float    combinedRadiusSq = RVOMath.sqr(combinedRadius);

                Line    line;
                Vector2 u;

                if (distSq > combinedRadiusSq)
                {
                    /* No collision. */
                    Vector2 w = relativeVelocity - invTimeHorizon * relativePosition;
                    /* Vector from cutoff center to relative velocity. */
                    float wLengthSq = RVOMath.absSq(w);

                    float dotProduct1 = w * relativePosition;

                    if (dotProduct1 < 0.0f && RVOMath.sqr(dotProduct1) > combinedRadiusSq * wLengthSq)
                    {
                        /* Project on cut-off circle. */
                        float   wLength = RVOMath.sqrt(wLengthSq);
                        Vector2 unitW   = w / wLength;

                        line.direction = new Vector2(unitW.y(), -unitW.x());
                        u = (combinedRadius * invTimeHorizon - wLength) * unitW;
                    }
                    else
                    {
                        /* Project on legs. */
                        float leg = RVOMath.sqrt(distSq - combinedRadiusSq);

                        if (RVOMath.det(relativePosition, w) > 0.0f)
                        {
                            /* Project on left leg. */
                            line.direction = new Vector2(relativePosition.x() * leg - relativePosition.y() * combinedRadius, relativePosition.x() * combinedRadius + relativePosition.y() * leg) / distSq;
                        }
                        else
                        {
                            /* Project on right leg. */
                            line.direction = -new Vector2(relativePosition.x() * leg + relativePosition.y() * combinedRadius, -relativePosition.x() * combinedRadius + relativePosition.y() * leg) / distSq;
                        }

                        float dotProduct2 = relativeVelocity * line.direction;

                        u = dotProduct2 * line.direction - relativeVelocity;
                    }
                }
                else
                {
                    /* Collision. Project on cut-off circle of time timeStep. */
                    float invTimeStep = 1.0f / Simulator.Instance.timeStep_;

                    /* Vector from cutoff center to relative velocity. */
                    Vector2 w = relativeVelocity - invTimeStep * relativePosition;

                    float   wLength = RVOMath.abs(w);
                    Vector2 unitW   = w / wLength;

                    line.direction = new Vector2(unitW.y(), -unitW.x());
                    u = (combinedRadius * invTimeStep - wLength) * unitW;
                }

                line.point = TargetVelocity + 0.5f * u;
                orcaLines_.Add(line);
            }


            int lineFail = linearProgram2(orcaLines_, MaxSpeed, PreferredVelocity, false, ref TargetVelocity);

            if (lineFail < orcaLines_.Count)
            {
                linearProgram3(orcaLines_, numObstLines, lineFail, MaxSpeed, ref TargetVelocity);
            }
        }
Example #19
0
        /**
         * <summary>Computes the new velocity of this agent.</summary>
         */
        internal void computeNewVelocity()
        {
            orcaLines_.Clear();

            float invTimeHorizonObst = 1.0f / timeHorizonObst_;

            /* Create obstacle ORCA lines. */
            for (int i = 0; i < obstacleNeighbors_.Count; ++i)
            {
                Obstacle obstacle1 = obstacleNeighbors_[i].Value;
                Obstacle obstacle2 = obstacle1.next_;

                Vector2 relativePosition1 = obstacle1.point_ - position_;
                Vector2 relativePosition2 = obstacle2.point_ - position_;

                /*
                 * Check if velocity obstacle of obstacle is already taken care
                 * of by previously constructed obstacle ORCA lines.
                 */
                bool alreadyCovered = false;

                for (int j = 0; j < orcaLines_.Count; ++j)
                {
                    if (RVOMath.det(invTimeHorizonObst * relativePosition1 - orcaLines_[j].point, orcaLines_[j].direction) - invTimeHorizonObst * radius_ >= -RVOMath.RVO_EPSILON && RVOMath.det(invTimeHorizonObst * relativePosition2 - orcaLines_[j].point, orcaLines_[j].direction) - invTimeHorizonObst * radius_ >= -RVOMath.RVO_EPSILON)
                    {
                        alreadyCovered = true;

                        break;
                    }
                }

                if (alreadyCovered)
                {
                    continue;
                }

                /* Not yet covered. Check for collisions. */
                float distSq1 = RVOMath.absSq(relativePosition1);
                float distSq2 = RVOMath.absSq(relativePosition2);

                float radiusSq = RVOMath.sqr(radius_);

                Vector2 obstacleVector = obstacle2.point_ - obstacle1.point_;
                float   s          = (-relativePosition1 * obstacleVector) / RVOMath.absSq(obstacleVector);
                float   distSqLine = RVOMath.absSq(-relativePosition1 - s * obstacleVector);

                Line line;

                if (s < 0.0f && distSq1 <= radiusSq)
                {
                    /* Collision with left vertex. Ignore if non-convex. */
                    if (obstacle1.convex_)
                    {
                        line.point     = new Vector2(0.0f, 0.0f);
                        line.direction = RVOMath.normalize(new Vector2(-relativePosition1.y(), relativePosition1.x()));
                        orcaLines_.Add(line);
                    }

                    continue;
                }
                else if (s > 1.0f && distSq2 <= radiusSq)
                {
                    /*
                     * Collision with right vertex. Ignore if non-convex or if
                     * it will be taken care of by neighboring obstacle.
                     */
                    if (obstacle2.convex_ && RVOMath.det(relativePosition2, obstacle2.direction_) >= 0.0f)
                    {
                        line.point     = new Vector2(0.0f, 0.0f);
                        line.direction = RVOMath.normalize(new Vector2(-relativePosition2.y(), relativePosition2.x()));
                        orcaLines_.Add(line);
                    }

                    continue;
                }
                else if (s >= 0.0f && s < 1.0f && distSqLine <= radiusSq)
                {
                    /* Collision with obstacle segment. */
                    line.point     = new Vector2(0.0f, 0.0f);
                    line.direction = -obstacle1.direction_;
                    orcaLines_.Add(line);

                    continue;
                }

                /*
                 * No collision. Compute legs. When obliquely viewed, both legs
                 * can come from a single vertex. Legs extend cut-off line when
                 * non-convex vertex.
                 */

                Vector2 leftLegDirection, rightLegDirection;

                if (s < 0.0f && distSqLine <= radiusSq)
                {
                    /*
                     * Obstacle viewed obliquely so that left vertex
                     * defines velocity obstacle.
                     */
                    if (!obstacle1.convex_)
                    {
                        /* Ignore obstacle. */
                        continue;
                    }

                    obstacle2 = obstacle1;

                    float leg1 = RVOMath.sqrt(distSq1 - radiusSq);
                    leftLegDirection  = new Vector2(relativePosition1.x() * leg1 - relativePosition1.y() * radius_, relativePosition1.x() * radius_ + relativePosition1.y() * leg1) / distSq1;
                    rightLegDirection = new Vector2(relativePosition1.x() * leg1 + relativePosition1.y() * radius_, -relativePosition1.x() * radius_ + relativePosition1.y() * leg1) / distSq1;
                }
                else if (s > 1.0f && distSqLine <= radiusSq)
                {
                    /*
                     * Obstacle viewed obliquely so that
                     * right vertex defines velocity obstacle.
                     */
                    if (!obstacle2.convex_)
                    {
                        /* Ignore obstacle. */
                        continue;
                    }

                    obstacle1 = obstacle2;

                    float leg2 = RVOMath.sqrt(distSq2 - radiusSq);
                    leftLegDirection  = new Vector2(relativePosition2.x() * leg2 - relativePosition2.y() * radius_, relativePosition2.x() * radius_ + relativePosition2.y() * leg2) / distSq2;
                    rightLegDirection = new Vector2(relativePosition2.x() * leg2 + relativePosition2.y() * radius_, -relativePosition2.x() * radius_ + relativePosition2.y() * leg2) / distSq2;
                }
                else
                {
                    /* Usual situation. */
                    if (obstacle1.convex_)
                    {
                        float leg1 = RVOMath.sqrt(distSq1 - radiusSq);
                        leftLegDirection = new Vector2(relativePosition1.x() * leg1 - relativePosition1.y() * radius_, relativePosition1.x() * radius_ + relativePosition1.y() * leg1) / distSq1;
                    }
                    else
                    {
                        /* Left vertex non-convex; left leg extends cut-off line. */
                        leftLegDirection = -obstacle1.direction_;
                    }

                    if (obstacle2.convex_)
                    {
                        float leg2 = RVOMath.sqrt(distSq2 - radiusSq);
                        rightLegDirection = new Vector2(relativePosition2.x() * leg2 + relativePosition2.y() * radius_, -relativePosition2.x() * radius_ + relativePosition2.y() * leg2) / distSq2;
                    }
                    else
                    {
                        /* Right vertex non-convex; right leg extends cut-off line. */
                        rightLegDirection = obstacle1.direction_;
                    }
                }

                /*
                 * Legs can never point into neighboring edge when convex
                 * vertex, take cutoff-line of neighboring edge instead. If
                 * velocity projected on "foreign" leg, no constraint is added.
                 */

                Obstacle leftNeighbor = obstacle1.previous_;

                bool isLeftLegForeign  = false;
                bool isRightLegForeign = false;

                if (obstacle1.convex_ && RVOMath.det(leftLegDirection, -leftNeighbor.direction_) >= 0.0f)
                {
                    /* Left leg points into obstacle. */
                    leftLegDirection = -leftNeighbor.direction_;
                    isLeftLegForeign = true;
                }

                if (obstacle2.convex_ && RVOMath.det(rightLegDirection, obstacle2.direction_) <= 0.0f)
                {
                    /* Right leg points into obstacle. */
                    rightLegDirection = obstacle2.direction_;
                    isRightLegForeign = true;
                }

                /* Compute cut-off centers. */
                Vector2 leftCutOff   = invTimeHorizonObst * (obstacle1.point_ - position_);
                Vector2 rightCutOff  = invTimeHorizonObst * (obstacle2.point_ - position_);
                Vector2 cutOffVector = rightCutOff - leftCutOff;

                /* Project current velocity on velocity obstacle. */

                /* Check if current velocity is projected on cutoff circles. */
                float t      = obstacle1 == obstacle2 ? 0.5f : ((velocity_ - leftCutOff) * cutOffVector) / RVOMath.absSq(cutOffVector);
                float tLeft  = (velocity_ - leftCutOff) * leftLegDirection;
                float tRight = (velocity_ - rightCutOff) * rightLegDirection;

                if ((t < 0.0f && tLeft < 0.0f) || (obstacle1 == obstacle2 && tLeft < 0.0f && tRight < 0.0f))
                {
                    /* Project on left cut-off circle. */
                    Vector2 unitW = RVOMath.normalize(velocity_ - leftCutOff);

                    line.direction = new Vector2(unitW.y(), -unitW.x());
                    line.point     = leftCutOff + radius_ * invTimeHorizonObst * unitW;
                    orcaLines_.Add(line);

                    continue;
                }
                else if (t > 1.0f && tRight < 0.0f)
                {
                    /* Project on right cut-off circle. */
                    Vector2 unitW = RVOMath.normalize(velocity_ - rightCutOff);

                    line.direction = new Vector2(unitW.y(), -unitW.x());
                    line.point     = rightCutOff + radius_ * invTimeHorizonObst * unitW;
                    orcaLines_.Add(line);

                    continue;
                }

                /*
                 * Project on left leg, right leg, or cut-off line, whichever is
                 * closest to velocity.
                 */
                float distSqCutoff = (t <0.0f || t> 1.0f || obstacle1 == obstacle2) ? float.PositiveInfinity : RVOMath.absSq(velocity_ - (leftCutOff + t * cutOffVector));
                float distSqLeft   = tLeft < 0.0f ? float.PositiveInfinity : RVOMath.absSq(velocity_ - (leftCutOff + tLeft * leftLegDirection));
                float distSqRight  = tRight < 0.0f ? float.PositiveInfinity : RVOMath.absSq(velocity_ - (rightCutOff + tRight * rightLegDirection));

                if (distSqCutoff <= distSqLeft && distSqCutoff <= distSqRight)
                {
                    /* Project on cut-off line. */
                    line.direction = -obstacle1.direction_;
                    line.point     = leftCutOff + radius_ * invTimeHorizonObst * new Vector2(-line.direction.y(), line.direction.x());
                    orcaLines_.Add(line);

                    continue;
                }

                if (distSqLeft <= distSqRight)
                {
                    /* Project on left leg. */
                    if (isLeftLegForeign)
                    {
                        continue;
                    }

                    line.direction = leftLegDirection;
                    line.point     = leftCutOff + radius_ * invTimeHorizonObst * new Vector2(-line.direction.y(), line.direction.x());
                    orcaLines_.Add(line);

                    continue;
                }

                /* Project on right leg. */
                if (isRightLegForeign)
                {
                    continue;
                }

                line.direction = -rightLegDirection;
                line.point     = rightCutOff + radius_ * invTimeHorizonObst * new Vector2(-line.direction.y(), line.direction.x());
                orcaLines_.Add(line);
            }

            int numObstLines = orcaLines_.Count;

            float invTimeHorizon = 1.0f / timeHorizon_;

            /* Create agent ORCA lines. */
            for (int i = 0; i < agentNeighbors_.Count; ++i)
            {
                Agent other = agentNeighbors_[i].Value;

                Vector2 relativePosition = other.position_ - position_;
                Vector2 relativeVelocity = velocity_ - other.velocity_;
                float   distSq           = RVOMath.absSq(relativePosition);
                float   combinedRadius   = radius_ + other.radius_;
                float   combinedRadiusSq = RVOMath.sqr(combinedRadius);

                Line    line;
                Vector2 u;

                if (distSq > combinedRadiusSq)
                {
                    /* No collision. */
                    Vector2 w = relativeVelocity - invTimeHorizon * relativePosition;

                    /* Vector from cutoff center to relative velocity. */
                    float wLengthSq   = RVOMath.absSq(w);
                    float dotProduct1 = w * relativePosition;

                    if (dotProduct1 < 0.0f && RVOMath.sqr(dotProduct1) > combinedRadiusSq * wLengthSq)
                    {
                        /* Project on cut-off circle. */
                        float   wLength = RVOMath.sqrt(wLengthSq);
                        Vector2 unitW   = w / wLength;

                        line.direction = new Vector2(unitW.y(), -unitW.x());
                        u = (combinedRadius * invTimeHorizon - wLength) * unitW;
                    }
                    else
                    {
                        /* Project on legs. */
                        float leg = RVOMath.sqrt(distSq - combinedRadiusSq);

                        if (RVOMath.det(relativePosition, w) > 0.0f)
                        {
                            /* Project on left leg. */
                            line.direction = new Vector2(relativePosition.x() * leg - relativePosition.y() * combinedRadius, relativePosition.x() * combinedRadius + relativePosition.y() * leg) / distSq;
                        }
                        else
                        {
                            /* Project on right leg. */
                            line.direction = -new Vector2(relativePosition.x() * leg + relativePosition.y() * combinedRadius, -relativePosition.x() * combinedRadius + relativePosition.y() * leg) / distSq;
                        }

                        float dotProduct2 = relativeVelocity * line.direction;
                        u = dotProduct2 * line.direction - relativeVelocity;
                    }
                }
                else
                {
                    /* Collision. Project on cut-off circle of time timeStep. */
                    float invTimeStep = 1.0f / Simulator.Instance.timeStep_;

                    /* Vector from cutoff center to relative velocity. */
                    Vector2 w = relativeVelocity - invTimeStep * relativePosition;

                    float   wLength = RVOMath.abs(w);
                    Vector2 unitW   = w / wLength;

                    line.direction = new Vector2(unitW.y(), -unitW.x());
                    u = (combinedRadius * invTimeStep - wLength) * unitW;
                }

                line.point = velocity_ + 0.5f * u;
                orcaLines_.Add(line);
            }

            int lineFail = linearProgram2(orcaLines_, maxSpeed_, prefVelocity_, false, ref newVelocity_);

            if (lineFail < orcaLines_.Count)
            {
                linearProgram3(orcaLines_, numObstLines, lineFail, maxSpeed_, ref newVelocity_);
            }
        }
Example #20
0
    public static RVO.Vector2 RotateVector(RVO.Vector2 _v, float _radians)
    {
        float cos = Mathf.Cos(_radians), sin = Mathf.Sin(_radians);

        return(_v * cos + new RVO.Vector2(_v.y(), -_v.x()) * sin);
    }
Example #21
0
        // Update is called once per frame
        void Update()
        {
            for (int block = 0; block < workers.Count; ++block)
            {
                doneEvents_[block].Reset();
                ThreadPool.QueueUserWorkItem(workers[block].clear);
            }

            WaitHandle.WaitAll(doneEvents_);
            updateWorker(workers.Count);
            if (!reachedGoal())
            {
                if (hum_but_.isOn && !human_prefab)
                {
                    int range = agents.Count;
                    for (int i = 0; i < range; i++)
                    {
                        Destroy(agents[i].gameObject);
                        addAgent(human, agents[i].position, sim_.getDefaultRadius(), i);
                    }
                    human_prefab = true;
                }
                else if (!hum_but_.isOn && human_prefab)
                {
                    int range = agents.Count;
                    for (int i = 0; i < range; i++)
                    {
                        Destroy(agents[i].gameObject);
                        addAgent(prefab, agents[i].position, sim_.getDefaultRadius(), i);
                    }
                    human_prefab = false;
                }
                setAgentsProperties();
                setPreferredVelocities();

                sim_.initialize_virtual_and_agents();
                for (int i = 0; i < getNumAgents(); i++)
                {
                    Vector2 agent_position = sim_.getAgentPosition(i);
                    Vector2 p1             = agent_position + new Vector2(corridor_length_, 0);
                    sim_.addVirtualAgent(0, p1);
                }
                doStep(true);

                /* Output the current global time. */
                //print(Simulator.Instance.getGlobalTime());

                if (follow_but_.isOn != follow_)
                {
                    follow_ = follow_but_.isOn;

                    for (int i = 0; i < getNumAgents(); ++i)
                    {
                        sim_.agents_[i].follows_ = follow_;
                    }
                }
                if (save_but_.isOn != sim_.save)
                {
                    sim_.save = save_but_.isOn;
                }

                Vector3 pos3 = Camera.main.transform.position;
                Camera.main.transform.position = new Vector3(pos3.x, camera_height_.value, pos3.z);

                int totot = getNumAgents();
                for (int i = 0; i < getNumAgents(); ++i)
                {
                    Vector2 position = sim_.getAgentPosition(i);
                    agents[i].transform.position = new Vector3(position.x(), 0f, position.y());
                    RVO.Vector2 vector2 = sim_.getAgentVelocity(i);
                    agents[i].rotation = Quaternion.LookRotation(new Vector3(vector2.x_, 0, vector2.y_));
                    if (human_prefab)
                    {
                        if (Vector2.absSq(sim_.getAgentVelocity(i) * 4) > 1.5f)
                        {
                            agents[i].GetComponent <Animator>().CrossFade("mixamo.com", 10, 1);
                        }

                        agents[i].GetComponent <Animator>().speed = Vector2.absSq(sim_.getAgentVelocity(i) * 4);
                    }
                    if (!human_prefab)
                    {
                        setColor(i);
                    }
                }
            }
            else
            {
                for (int i = 0; i < getNumAgents(); ++i)
                {
                    agents[i].transform.GetComponent <Rigidbody>().isKinematic = true;
                }
            }

            for (int block = 0; block < workers.Count; ++block)
            {
                doneEvents_[block].Reset();
                ThreadPool.QueueUserWorkItem(workers[block].computeMedVelocity);
            }

            WaitHandle.WaitAll(doneEvents_);

            String tmp = "";

            for (int i = 0; i < workers.Count; i++)
            {
                tmp += Vector2.abs(workers[i].vit_moy) + "\t";
            }
            using (TextWriter tw = new StreamWriter(name, true))
            {
                tw.WriteLine(tmp);
            }
        }
Example #22
0
 Vector3 toUnityVector(RVO.Vector2 param)
 {
     return(new Vector3(param.x(), transform.position.y, param.y()));
 }
Example #23
0
        void setAgentsProperties()
        {
            for (int i = 0; i < sim_.getNumAgents(); ++i)
            {  // Set Agent Goal
                Vector2 pos  = sim_.getAgentPosition(i);
                Vector2 goal = sim_.getAgentGoal(i);
                // Position in the corridor referential
                Vector2 local_pos  = Vector2.rotation(pos, -corridor_angle_);
                Vector2 local_goal = Vector2.rotation(goal, -corridor_angle_);
                // Set agent goal
                Vector2 new_goal = new Vector2(local_goal.x(), local_pos.y());
                // Back to world's referential
                new_goal = Vector2.rotation(new_goal, corridor_angle_);
                // Set goal
                sim_.setAgentGoal(i, new_goal);

                // Set Agent Position (looped corridor)
                // If the agent as reached the end of the corridor (case 1)
                if (local_pos.x() >= corridor_length_ && local_goal.x() > corridor_length_)
                {
                    // Put at the start of the corridor
                    Vector2 new_pos = new Vector2(local_pos.x() - (corridor_length_), local_pos.y());
                    // Back to world's referential
                    new_pos = Vector2.rotation(new_pos, corridor_angle_);
                    // Add agent
                    sim_.setAgentPosition(i, new_pos);
                    // Save agent's data
                    //DataSaving::saveAgentData(sim_, i, follow_);
                    // Reinitialize data
                    sim_.reinitializeOutputVariables(i);
                }
                if (pos.y() > corridor_width_ || pos.y() < 0)
                {
                    System.Random rand    = new System.Random();
                    Vector2       new_pos = new Vector2(pos.x_, rand.Next((int)corridor_width_ + 1));
                    // Back to world's referential
                    new_pos = Vector2.rotation(new_pos, corridor_angle_);
                    // Add agent
                    sim_.setAgentPosition(i, new_pos);
                    // Save agent's data
                    //DataSaving::saveAgentData(sim_, i, follow_);
                    // Reinitialize data
                    sim_.reinitializeOutputVariables(i);
                }

                // If the agent as reached the end of the corridor (case 2)
                if (local_pos.x() < 0 && local_goal.x() < 0)
                {
                    // Put at the start of the corridor
                    Vector2 new_pos = new Vector2(local_pos.x() + corridor_length_, local_pos.y());
                    // Back to world's referential
                    new_pos = Vector2.rotation(new_pos, corridor_angle_);
                    // Add agent
                    sim_.setAgentPosition(i, new_pos);
                    // Save agent's data
                    //DataSaving::saveAgentData(sim_, i, following_behavior_);
                    // Reinitialize data
                    sim_.reinitializeOutputVariables(i);
                }
            }
        }
Example #24
0
 public static Vector3 RVOToVec3(this RVO.Vector2 v)
 {
     return(new Vector3(v.x(), 0, v.y()));
 }
Example #25
0
 public static Vector3 XZ(this RVO.Vector2 _this)
 {
     return(new Vector3(_this.x(), 0, _this.y()));
 }
Example #26
0
 public static float dot(Vector2 vector1, Vector2 vector2)
 {
     return(vector1.x() * vector2.x() + vector1.y() * vector2.y());
 }
Example #27
0
        // Update is called once per frame
        void Update()
        {
            if (!reachedGoal())
            {
                setPreferredVelocities();
                doStep(false);

                for (int i = 0; i < getNumAgents(); ++i)
                {
                    Vector2 position = getPosition(i);
                    agents[i].transform.position = new Vector3(position.x(), 0.5f, position.y());

                    /*  RVO.Vector2 vector2 = sim_.getAgentVelocity(i);
                     * agents[i].rotation = Quaternion.LookRotation(new Vector3(vector2.x_, 0, vector2.y_));*/
                    /*  RVO.Vector2 vector2 = sim_.getAgentVelocity(i);
                     * agents[i].rotation = Quaternion.LookRotation(new Vector3(vector2.x_, 0, vector2.y_));*/
                    setColor(i);
                    float key = -1f;
                    if (sim_.getAgent(i).agentNeighbors_.Count > 0)
                    {
                        key = sim_.getAgent(i).agentNeighbors_[0].Key;
                    }



                    pas = pas + i;
                }
                //Debug.Log("Distance " + Math.Sqrt(Math.Pow(agents[0].position.x - agents[1].position.x,2) + Math.Pow(agents[0].position.y - agents[1].position.y,2)));
                //Debug.Log("Vitesse agent 1 " + Math.Sqrt(Math.Pow(sim_.getAgentVelocity(1).x_,2) + Math.Pow(sim_.getAgentVelocity(1).y_,2)));
                using (TextWriter tw = new StreamWriter(name2, true))
                {
                    tw.WriteLine(sim_.getAgent(0).position_.x_ + "\t" + sim_.getAgent(0).position_.y_ + "\t" + sim_.getAgent(0).agentNeighbors_.Count + "\t" + sim_.getAgent(1).position_.x_ + "\t" + sim_.getAgent(1).position_.y_ + "\t" + sim_.getAgent(1).agentNeighbors_.Count);
                }


                Agent   neighbor = sim_.getAgent(1);
                Vector2 relative_pos;
                float   alpha;
                Vector2 local_relative_pos = new Vector2();
                Agent   neighbor2          = sim_.getAgent(0);;
                Vector2 relative_pos2;
                float   alpha2;
                Vector2 local_relative_pos2 = new Vector2();
                relative_pos        = neighbor.position_ - sim_.getAgent(0).position_;
                alpha               = Vector2.angle(sim_.getAgent(0).velocity_);
                local_relative_pos  = Vector2.rotation(relative_pos, -alpha);
                relative_pos2       = neighbor2.position_ - sim_.getAgent(1).position_;
                alpha2              = Vector2.angle(sim_.getAgent(1).velocity_);
                local_relative_pos2 = Vector2.rotation(relative_pos2, -alpha2);


                using (TextWriter tw = new StreamWriter(name, true))
                {
                    tw.WriteLine(pas + "\t" + sim_.getAgentPosition(0).x() + "\t" + sim_.getAgentPosition(0).y() + "\t" + sim_.getAgentPosition(1).x() + "\t" + sim_.getAgentPosition(1).y()
                                 + "\t" + sim_.getAgentVelocity(0).x() + "\t" + sim_.getAgentVelocity(0).y() + "\t" + sim_.getAgentVelocity(1).x() + "\t" + sim_.getAgentVelocity(1).y() +
                                 "\t" + sim_.getAgentAcceleration(0).x() + "\t" + sim_.getAgentAcceleration(0).y() + "\t" + sim_.getAgentAcceleration(1).x() + "\t" + sim_.getAgentAcceleration(1).y() + "\t"
                                 + local_relative_pos.x() + "\t" + local_relative_pos.y() + "\t" + local_relative_pos2.x() + "\t" + local_relative_pos2.y() + "\t"
                                 + Vector2.angle(sim_.agents_[0].velocity_) * (180 / Math.PI) + "\t"
                                 + Vector2.angle(sim_.agents_[1].velocity_) * (180 / Math.PI) + "\t" + sim_.getAgentLeaderNo(0) + "\t" + sim_.getAgentLeaderNo(1));
                }
            }
            else
            {
                for (int i = 0; i < getNumAgents(); ++i)
                {
                    agents[i].GetComponent <Rigidbody>().isKinematic = true;
                }
            }
        }
 /**
  * <summary>Convert Vector2 to Vector3, Set Yaxis to zero.</summary>
  */
 public static Vector3 Vec2ToVec3(Vector2 vec2)
 {
     return(new Vector3(vec2.x(), 0.0f, vec2.y()));
 }