distSqPointLineSegment() static private method

Computes the squared distance from a line segment with the * specified endpoints to a specified point.
static private distSqPointLineSegment ( Vector2 vector1, Vector2 vector2, Vector2 vector3 ) : float
vector1 Vector2 The first endpoint of the line segment.
vector2 Vector2 The second endpoint of the line segment. *
vector3 Vector2 The point to which the squared distance is to * be calculated.
return float
Exemplo n.º 1
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        /**
         * <summary>Inserts a static obstacle neighbor into the set of neighbors
         * of this agent.</summary>
         *
         * <param name="obstacle">The number of the static obstacle to be
         * inserted.</param>
         * <param name="rangeSq">The squared range around this agent.</param>
         */
        internal void insertObstacleNeighbor(Obstacle obstacle, float rangeSq)
        {
            Obstacle nextObstacle = obstacle.next_;
            //if obstacle is below feet of agent or agent is above the head of obstacle, culling this obstacle
            float minYPos = Mathf.Min(obstacle.curHeight_, nextObstacle.curHeight_);
            float maxYPos = Mathf.Max(obstacle.curHeight_ + obstacle.ObsHeight_, nextObstacle.curHeight_ + nextObstacle.ObsHeight_);

            if (curHeight_ > maxYPos || curHeight_ + agentHeight_ < minYPos)
            {
                return;
            }

            float distSq = RVOMath.distSqPointLineSegment(obstacle.point_, nextObstacle.point_, position_);

            if (distSq < rangeSq)
            {
                obstacleNeighbors_.Add(new KeyValuePair <float, Obstacle>(distSq, obstacle));

                int i = obstacleNeighbors_.Count - 1;

                while (i != 0 && distSq < obstacleNeighbors_[i - 1].Key)
                {
                    obstacleNeighbors_[i] = obstacleNeighbors_[i - 1];
                    --i;
                }
                obstacleNeighbors_[i] = new KeyValuePair <float, Obstacle>(distSq, obstacle);
            }
        }
Exemplo n.º 2
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        /**
         * <summary>Inserts a static obstacle neighbor into the set of neighbors
         * of this agent.</summary>
         *
         * <param name="obstacle">The number of the static obstacle to be
         * inserted.</param>
         * <param name="rangeSq">The squared range around this agent.</param>
         */
        internal void insertObstacleNeighbor(Obstacle obstacle, double rangeSq)
        {
            if ((type == AgentType.AirUnit || type == AgentType.GroundJumpUnit) && !obstacle.isMapBound)
            {
                return;
            }

            Obstacle nextObstacle = obstacle.next_;

            double distSq = RVOMath.distSqPointLineSegment(obstacle.point_, nextObstacle.point_, position_);

            if (distSq < rangeSq)
            {
                obstacleNeighbors_.Add(new KeyValuePair <double, Obstacle>(distSq, obstacle));

                int i = obstacleNeighbors_.Count - 1;

                while (i != 0 && distSq < obstacleNeighbors_[i - 1].Key)
                {
                    obstacleNeighbors_[i] = obstacleNeighbors_[i - 1];
                    --i;
                }
                obstacleNeighbors_[i] = new KeyValuePair <double, Obstacle>(distSq, obstacle);
            }
        }
Exemplo n.º 3
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        internal void insertObstacleNeighbor(Obstacle obstacle, float rangeSq)
        {
            Obstacle nextObstacle = obstacle.nextObstacle;

            float distSq = RVOMath.distSqPointLineSegment(obstacle.point_, nextObstacle.point_, position_);

            if (distSq < rangeSq)
            {
                obstacleNeighbors_.Add(new KeyValuePair <float, Obstacle>(distSq, obstacle));

                int i = obstacleNeighbors_.Count - 1;
                while (i != 0 && distSq < obstacleNeighbors_[i - 1].Key)
                {
                    obstacleNeighbors_[i] = obstacleNeighbors_[i - 1];
                    --i;
                }
                obstacleNeighbors_[i] = new KeyValuePair <float, Obstacle>(distSq, obstacle);
            }
        }
Exemplo n.º 4
0
        private void acceleratedProgram(Vector2 velocity, ref Vector2 result)
        {
            //Debug.Log(velocity.ToString() + " " + result.ToString());
            float   speed      = RVOMath.abs(velocity);
            float   maxSpeed   = RVOMath.Min(speed + accelerated_, maxSpeed_);
            float   minSpeed   = RVOMath.Max(speed - accelerated_, 0.0f);
            Vector2 tempResult = result;

            //Debug.Log(speed);
            if (speed >= minSpeedToTurn_)
            {
                Vector2 leftVerticalVelocity  = new Vector2(-velocity.y_, velocity.x_);
                Vector2 rightVerticalVelocity = new Vector2(velocity.y_, -velocity.x_);
                leftVerticalVelocity  = RVOMath.normalize(leftVerticalVelocity) * speed * angularSpeed_;
                rightVerticalVelocity = RVOMath.normalize(rightVerticalVelocity) * speed * angularSpeed_;
                Vector2 leftMin      = RVOMath.normalize(velocity + leftVerticalVelocity) * minSpeed;
                Vector2 leftMax      = RVOMath.normalize(velocity + leftVerticalVelocity) * maxSpeed;
                Vector2 rightMin     = RVOMath.normalize(velocity + rightVerticalVelocity) * minSpeed;
                Vector2 rightMax     = RVOMath.normalize(velocity + rightVerticalVelocity) * maxSpeed;
                Vector2 leftVector2  = leftMax - leftMin;
                Vector2 rightVector2 = rightMax - rightMin;
                if (RVOMath.det(leftVector2, result) < 0.0f && RVOMath.det(rightVector2, result) > 0.0f) //middle
                {
                    float resultSpeed = RVOMath.abs(result);
                    if (resultSpeed > maxSpeed)
                    {
                        tempResult = RVOMath.normalize(result) * maxSpeed;
                    }
                    if (resultSpeed < minSpeed)
                    {
                        tempResult = RVOMath.normalize(result) * minSpeed;
                    }
                }
                else
                {
                    if (RVOMath.det(leftVector2, result) > 0.0f) //left
                    {
                        float r = ((result - leftMin) * (leftMax - leftMin)) / RVOMath.absSq(leftMax - leftMin);
                        if (id_ == 2)
                        {
                            Debug.Log(r);
                        }
                        if (r < 0.0f)
                        {
                            tempResult = RVOMath.normalize(leftVector2) * minSpeed;
                        }
                        if (r > 1.0f)
                        {
                            tempResult = RVOMath.normalize(leftVector2) * maxSpeed;
                        }
                        if (r >= 0.0f && r <= 1.0f)
                        {
                            float resultSpeed = RVOMath.absSq(result) - RVOMath.distSqPointLineSegment(leftMin, leftMax, result);
                            resultSpeed = RVOMath.sqrt(resultSpeed);
                            if (resultSpeed > maxSpeed)
                            {
                                tempResult = RVOMath.normalize(leftVector2) * maxSpeed;
                            }
                            if (resultSpeed < minSpeed)
                            {
                                tempResult = RVOMath.normalize(leftVector2) * minSpeed;
                            }
                            if (resultSpeed >= minSpeed && resultSpeed <= maxSpeed)
                            {
                                tempResult = RVOMath.normalize(leftVector2) * resultSpeed;
                            }
                        }
                    }
                    if (RVOMath.det(rightVector2, result) < 0.0f) //right
                    {
                        float r = ((result - rightMin) * (rightMax - rightMin)) / RVOMath.absSq(rightMax - rightMin);
                        if (r < 0.0f)
                        {
                            tempResult = RVOMath.normalize(rightVector2) * minSpeed;
                        }
                        if (r > 1.0f)
                        {
                            tempResult = RVOMath.normalize(rightVector2) * maxSpeed;
                        }
                        if (r >= 0.0f && r <= 1.0f)
                        {
                            float resultSpeed = RVOMath.absSq(result) - RVOMath.distSqPointLineSegment(rightMin, rightMax, result);
                            resultSpeed = RVOMath.sqrt(resultSpeed);
                            if (resultSpeed > maxSpeed)
                            {
                                tempResult = RVOMath.normalize(rightVector2) * maxSpeed;
                            }
                            if (resultSpeed < minSpeed)
                            {
                                tempResult = RVOMath.normalize(rightVector2) * minSpeed;
                            }
                            if (resultSpeed >= minSpeed && resultSpeed <= maxSpeed)
                            {
                                tempResult = RVOMath.normalize(rightVector2) * resultSpeed;
                            }
                        }
                    }
                }
            }
            else
            {
                float resultSpeed = RVOMath.abs(result);
                if (resultSpeed > maxSpeed)
                {
                    if (RVOMath.abs(velocity) < 1e-6f)
                    {
                        tempResult = RVOMath.normalize(prefVelocity_) * maxSpeed;
                    }
                    else
                    {
                        tempResult = RVOMath.normalize(velocity) * maxSpeed;
                    }
                }
                if (resultSpeed < minSpeed)
                {
                    tempResult = RVOMath.normalize(velocity) * minSpeed;
                }
            }
            result = tempResult;
        }