Example #1
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;
        }