void Camera::MoveBackward(float units)
{
	glm::vec3 forwardVector(camTarget.x - camPos.x, 0.0f, camTarget.z - camPos.z);
	glm::normalize(forwardVector);

	camTarget -= units * forwardVector;
	camPos = ResolveCamPosition();
}
Example #2
0
	void Camera::TranslateForward(const float aAmount)
	{
		Vector3f position = myTransformation.GetPosition();
		Vector3f forwardVector(myTransformation.m31, myTransformation.m32, myTransformation.m33);
		position += forwardVector * aAmount;

		myTransformation.SetPosition(position);
	}
Example #3
0
	void Camera::TranslateSideways(const float aAmount)
	{
		Vector3f position = myTransformation.GetPosition();
		Vector3f forwardVector(myTransformation.m11, myTransformation.m12, myTransformation.m13);
		position += forwardVector * aAmount;

		myTransformation.SetPosition(position);
	}
void Camera::MoveRight(float units)
{
	glm::vec3 forwardVector(camTarget.x - camPos.x, 0.0f, camTarget.z - camPos.z);
	glm::vec3 rightVector = glm::cross(forwardVector, upVector);
	glm::normalize(rightVector);

	camTarget += units * rightVector;
	camPos = ResolveCamPosition();
}
Example #5
0
void SkeletonModel::stretchArm(int jointIndex, const glm::vec3& position) {
    // find out where the hand is pointing
    glm::quat handRotation;
    getJointRotation(jointIndex, handRotation, true);
    const FBXGeometry& geometry = _geometry->getFBXGeometry();
    glm::vec3 forwardVector(jointIndex == geometry.rightHandJointIndex ? -1.0f : 1.0f, 0.0f, 0.0f);
    glm::vec3 handVector = handRotation * forwardVector;
    
    // align elbow with hand
    const FBXJoint& joint = geometry.joints.at(jointIndex);
    if (joint.parentIndex == -1) {
        return;
    }
    glm::quat elbowRotation;
    getJointRotation(joint.parentIndex, elbowRotation, true);
    applyRotationDelta(joint.parentIndex, rotationBetween(elbowRotation * forwardVector, handVector), false);
    
    // set position according to normal length
    float scale = extractUniformScale(_scale);
    glm::vec3 handPosition = position - _translation;
    glm::vec3 elbowPosition = handPosition - handVector * joint.distanceToParent * scale;
    
    // set shoulder orientation to point to elbow
    const FBXJoint& parentJoint = geometry.joints.at(joint.parentIndex);
    if (parentJoint.parentIndex == -1) {
        return;
    }
    glm::quat shoulderRotation;
    getJointRotation(parentJoint.parentIndex, shoulderRotation, true);
    applyRotationDelta(parentJoint.parentIndex, rotationBetween(shoulderRotation * forwardVector,
        elbowPosition - extractTranslation(_jointStates.at(parentJoint.parentIndex).transform)), false);
        
    // update the shoulder state
    updateJointState(parentJoint.parentIndex);
    
    // adjust the elbow's local translation
    setJointTranslation(joint.parentIndex, elbowPosition);
}
Example #6
0
void SkeletonModel::setHandPosition(int jointIndex, const glm::vec3& position, const glm::quat& rotation) {
    // this algorithm is from sample code from sixense
    const FBXGeometry& geometry = _geometry->getFBXGeometry();
    int elbowJointIndex = geometry.joints.at(jointIndex).parentIndex;
    if (elbowJointIndex == -1) {
        return;
    }
    int shoulderJointIndex = geometry.joints.at(elbowJointIndex).parentIndex;
    glm::vec3 shoulderPosition;
    if (!getJointPosition(shoulderJointIndex, shoulderPosition)) {
        return;
    }
    // precomputed lengths
    float scale = extractUniformScale(_scale);
    float upperArmLength = geometry.joints.at(elbowJointIndex).distanceToParent * scale;
    float lowerArmLength = geometry.joints.at(jointIndex).distanceToParent * scale;
    
    // first set wrist position
    glm::vec3 wristPosition = position;
    
    glm::vec3 shoulderToWrist = wristPosition - shoulderPosition;
    float distanceToWrist = glm::length(shoulderToWrist);
    
    // prevent gimbal lock
    if (distanceToWrist > upperArmLength + lowerArmLength - EPSILON) {
        distanceToWrist = upperArmLength + lowerArmLength - EPSILON;
        shoulderToWrist = glm::normalize(shoulderToWrist) * distanceToWrist;
        wristPosition = shoulderPosition + shoulderToWrist;
    }
    
    // cosine of angle from upper arm to hand vector 
    float cosA = (upperArmLength * upperArmLength + distanceToWrist * distanceToWrist - lowerArmLength * lowerArmLength) / 
        (2 * upperArmLength * distanceToWrist);
    float mid = upperArmLength * cosA;
    float height = sqrt(upperArmLength * upperArmLength + mid * mid - 2 * upperArmLength * mid * cosA);
    
    // direction of the elbow
    glm::vec3 handNormal = glm::cross(rotation * glm::vec3(0.0f, 1.0f, 0.0f), shoulderToWrist); // elbow rotating with wrist
    glm::vec3 relaxedNormal = glm::cross(glm::vec3(0.0f, 1.0f, 0.0f), shoulderToWrist); // elbow pointing straight down
    const float NORMAL_WEIGHT = 0.5f;
    glm::vec3 finalNormal = glm::mix(relaxedNormal, handNormal, NORMAL_WEIGHT);
    
    bool rightHand = (jointIndex == geometry.rightHandJointIndex);
    if (rightHand ? (finalNormal.y > 0.0f) : (finalNormal.y < 0.0f)) {
        finalNormal.y = 0.0f; // dont allow elbows to point inward (y is vertical axis)
    }
    
    glm::vec3 tangent = glm::normalize(glm::cross(shoulderToWrist, finalNormal));
    
    // ik solution
    glm::vec3 elbowPosition = shoulderPosition + glm::normalize(shoulderToWrist) * mid - tangent * height;
    glm::vec3 forwardVector(rightHand ? -1.0f : 1.0f, 0.0f, 0.0f);
    glm::quat shoulderRotation = rotationBetween(forwardVector, elbowPosition - shoulderPosition);

    JointState& shoulderState = _jointStates[shoulderJointIndex];
    shoulderState.setRotationInBindFrame(shoulderRotation, PALM_PRIORITY);
    
    JointState& elbowState = _jointStates[elbowJointIndex];
    elbowState.setRotationInBindFrame(rotationBetween(shoulderRotation * forwardVector, wristPosition - elbowPosition) * shoulderRotation, PALM_PRIORITY);
    
    JointState& handState = _jointStates[jointIndex];
    handState.setRotationInBindFrame(rotation, PALM_PRIORITY);
}
void MainController::run()
{
    while(!pangolin::ShouldQuit() && !((!logReader->hasMore()) && quiet) && !(eFusion->getTick() == end && quiet))
    {
        if(!gui->pause->Get() || pangolin::Pushed(*gui->step))
        {
            if((logReader->hasMore() || rewind) && eFusion->getTick() < end)
            {
                TICK("LogRead");
                if(rewind)
                {
                    if(!logReader->hasMore())
                    {
                        logReader->getBack();
                    }
                    else
                    {
                        logReader->getNext();
                    }

                    if(logReader->rewound())
                    {
                        logReader->currentFrame = 0;
                    }
                }
                else
                {
                    logReader->getNext();
                }
                TOCK("LogRead");

                if(eFusion->getTick() < start)
                {
                    eFusion->setTick(start);
                    logReader->fastForward(start);
                }

                float weightMultiplier = framesToSkip + 1;

                if(framesToSkip > 0)
                {
                    eFusion->setTick(eFusion->getTick() + framesToSkip);
                    logReader->fastForward(logReader->currentFrame + framesToSkip);
                    framesToSkip = 0;
                }

                Eigen::Matrix4f * currentPose = 0;

                if(groundTruthOdometry)
                {
                    currentPose = new Eigen::Matrix4f;
                    currentPose->setIdentity();
                    *currentPose = groundTruthOdometry->getIncrementalTransformation(logReader->timestamp);
                }

                eFusion->processFrame(logReader->rgb, logReader->depth, logReader->timestamp, currentPose, weightMultiplier);

                if(currentPose)
                {
                    delete currentPose;
                }

                if(frameskip && Stopwatch::getInstance().getTimings().at("Run") > 1000.f / 30.f)
                {
                    framesToSkip = int(Stopwatch::getInstance().getTimings().at("Run") / (1000.f / 30.f));
                }
            }
        }
        else
        {
            eFusion->predict();
        }

        TICK("GUI");

        if(gui->followPose->Get())
        {
            pangolin::OpenGlMatrix mv;

            Eigen::Matrix4f currPose = eFusion->getCurrPose();
            Eigen::Matrix3f currRot = currPose.topLeftCorner(3, 3);

            Eigen::Quaternionf currQuat(currRot);
            Eigen::Vector3f forwardVector(0, 0, 1);
            Eigen::Vector3f upVector(0, iclnuim ? 1 : -1, 0);

            Eigen::Vector3f forward = (currQuat * forwardVector).normalized();
            Eigen::Vector3f up = (currQuat * upVector).normalized();

            Eigen::Vector3f eye(currPose(0, 3), currPose(1, 3), currPose(2, 3));

            eye -= forward;

            Eigen::Vector3f at = eye + forward;

            Eigen::Vector3f z = (eye - at).normalized();  // Forward
            Eigen::Vector3f x = up.cross(z).normalized(); // Right
            Eigen::Vector3f y = z.cross(x);

            Eigen::Matrix4d m;
            m << x(0),  x(1),  x(2),  -(x.dot(eye)),
                 y(0),  y(1),  y(2),  -(y.dot(eye)),
                 z(0),  z(1),  z(2),  -(z.dot(eye)),
                    0,     0,     0,              1;

            memcpy(&mv.m[0], m.data(), sizeof(Eigen::Matrix4d));

            gui->s_cam.SetModelViewMatrix(mv);
        }

        gui->preCall();

        std::stringstream stri;
        stri << eFusion->getModelToModel().lastICPCount;
        gui->trackInliers->Ref().Set(stri.str());

        std::stringstream stre;
        stre << (isnan(eFusion->getModelToModel().lastICPError) ? 0 : eFusion->getModelToModel().lastICPError);
        gui->trackRes->Ref().Set(stre.str());

        if(!gui->pause->Get())
        {
            gui->resLog.Log((isnan(eFusion->getModelToModel().lastICPError) ? std::numeric_limits<float>::max() : eFusion->getModelToModel().lastICPError), icpErrThresh);
            gui->inLog.Log(eFusion->getModelToModel().lastICPCount, icpCountThresh);
        }

        Eigen::Matrix4f pose = eFusion->getCurrPose();

        if(gui->drawRawCloud->Get() || gui->drawFilteredCloud->Get())
        {
            eFusion->computeFeedbackBuffers();
        }

        if(gui->drawRawCloud->Get())
        {
            eFusion->getFeedbackBuffers().at(FeedbackBuffer::RAW)->render(gui->s_cam.GetProjectionModelViewMatrix(), pose, gui->drawNormals->Get(), gui->drawColors->Get());
        }

        if(gui->drawFilteredCloud->Get())
        {
            eFusion->getFeedbackBuffers().at(FeedbackBuffer::FILTERED)->render(gui->s_cam.GetProjectionModelViewMatrix(), pose, gui->drawNormals->Get(), gui->drawColors->Get());
        }

        if(gui->drawGlobalModel->Get())
        {
            glFinish();
            TICK("Global");

            if(gui->drawFxaa->Get())
            {
                gui->drawFXAA(gui->s_cam.GetProjectionModelViewMatrix(),
                              gui->s_cam.GetModelViewMatrix(),
                              eFusion->getGlobalModel().model(),
                              eFusion->getConfidenceThreshold(),
                              eFusion->getTick(),
                              eFusion->getTimeDelta(),
                              iclnuim);
            }
            else
            {
                eFusion->getGlobalModel().renderPointCloud(gui->s_cam.GetProjectionModelViewMatrix(),
                                                           eFusion->getConfidenceThreshold(),
                                                           gui->drawUnstable->Get(),
                                                           gui->drawNormals->Get(),
                                                           gui->drawColors->Get(),
                                                           gui->drawPoints->Get(),
                                                           gui->drawWindow->Get(),
                                                           gui->drawTimes->Get(),
                                                           eFusion->getTick(),
                                                           eFusion->getTimeDelta());
            }
            glFinish();
            TOCK("Global");
        }

        if(eFusion->getLost())
        {
            glColor3f(1, 1, 0);
        }
        else
        {
            glColor3f(1, 0, 1);
        }
        gui->drawFrustum(pose);
        glColor3f(1, 1, 1);

        if(gui->drawFerns->Get())
        {
            glColor3f(0, 0, 0);
            for(size_t i = 0; i < eFusion->getFerns().frames.size(); i++)
            {
                if((int)i == eFusion->getFerns().lastClosest)
                    continue;

                gui->drawFrustum(eFusion->getFerns().frames.at(i)->pose);
            }
            glColor3f(1, 1, 1);
        }

        if(gui->drawDefGraph->Get())
        {
            const std::vector<GraphNode*> & graph = eFusion->getLocalDeformation().getGraph();

            for(size_t i = 0; i < graph.size(); i++)
            {
                pangolin::glDrawCross(graph.at(i)->position(0),
                                      graph.at(i)->position(1),
                                      graph.at(i)->position(2),
                                      0.1);

                for(size_t j = 0; j < graph.at(i)->neighbours.size(); j++)
                {
                    pangolin::glDrawLine(graph.at(i)->position(0),
                                         graph.at(i)->position(1),
                                         graph.at(i)->position(2),
                                         graph.at(graph.at(i)->neighbours.at(j))->position(0),
                                         graph.at(graph.at(i)->neighbours.at(j))->position(1),
                                         graph.at(graph.at(i)->neighbours.at(j))->position(2));
                }
            }
        }

        if(eFusion->getFerns().lastClosest != -1)
        {
            glColor3f(1, 0, 0);
            gui->drawFrustum(eFusion->getFerns().frames.at(eFusion->getFerns().lastClosest)->pose);
            glColor3f(1, 1, 1);
        }

        const std::vector<PoseMatch> & poseMatches = eFusion->getPoseMatches();

        int maxDiff = 0;
        for(size_t i = 0; i < poseMatches.size(); i++)
        {
            if(poseMatches.at(i).secondId - poseMatches.at(i).firstId > maxDiff)
            {
                maxDiff = poseMatches.at(i).secondId - poseMatches.at(i).firstId;
            }
        }

        for(size_t i = 0; i < poseMatches.size(); i++)
        {
            if(gui->drawDeforms->Get())
            {
                if(poseMatches.at(i).fern)
                {
                    glColor3f(1, 0, 0);
                }
                else
                {
                    glColor3f(0, 1, 0);
                }
                for(size_t j = 0; j < poseMatches.at(i).constraints.size(); j++)
                {
                    pangolin::glDrawLine(poseMatches.at(i).constraints.at(j).sourcePoint(0), poseMatches.at(i).constraints.at(j).sourcePoint(1), poseMatches.at(i).constraints.at(j).sourcePoint(2),
                                         poseMatches.at(i).constraints.at(j).targetPoint(0), poseMatches.at(i).constraints.at(j).targetPoint(1), poseMatches.at(i).constraints.at(j).targetPoint(2));
                }
            }
        }
        glColor3f(1, 1, 1);

        eFusion->normaliseDepth(0.3f, gui->depthCutoff->Get());

        for(std::map<std::string, GPUTexture*>::const_iterator it = eFusion->getTextures().begin(); it != eFusion->getTextures().end(); ++it)
        {
            if(it->second->draw)
            {
                gui->displayImg(it->first, it->second);
            }
        }

        eFusion->getIndexMap().renderDepth(gui->depthCutoff->Get());

        gui->displayImg("ModelImg", eFusion->getIndexMap().imageTex());
        gui->displayImg("Model", eFusion->getIndexMap().drawTex());

        std::stringstream strs;
        strs << eFusion->getGlobalModel().lastCount();

        gui->totalPoints->operator=(strs.str());

        std::stringstream strs2;
        strs2 << eFusion->getLocalDeformation().getGraph().size();

        gui->totalNodes->operator=(strs2.str());

        std::stringstream strs3;
        strs3 << eFusion->getFerns().frames.size();

        gui->totalFerns->operator=(strs3.str());

        std::stringstream strs4;
        strs4 << eFusion->getDeforms();

        gui->totalDefs->operator=(strs4.str());

        std::stringstream strs5;
        strs5 << eFusion->getTick() << "/" << logReader->getNumFrames();

        gui->logProgress->operator=(strs5.str());

        std::stringstream strs6;
        strs6 << eFusion->getFernDeforms();

        gui->totalFernDefs->operator=(strs6.str());

        gui->postCall();

        logReader->flipColors = gui->flipColors->Get();
        eFusion->setRgbOnly(gui->rgbOnly->Get());
        eFusion->setPyramid(gui->pyramid->Get());
        eFusion->setFastOdom(gui->fastOdom->Get());
        eFusion->setConfidenceThreshold(gui->confidenceThreshold->Get());
        eFusion->setDepthCutoff(gui->depthCutoff->Get());
        eFusion->setIcpWeight(gui->icpWeight->Get());
        eFusion->setSo3(gui->so3->Get());
        eFusion->setFrameToFrameRGB(gui->frameToFrameRGB->Get());

        resetButton = pangolin::Pushed(*gui->reset);

        if(gui->autoSettings)
        {
            static bool last = gui->autoSettings->Get();

            if(gui->autoSettings->Get() != last)
            {
                last = gui->autoSettings->Get();
                static_cast<LiveLogReader *>(logReader)->setAuto(last);
            }
        }

        Stopwatch::getInstance().sendAll();

        if(resetButton)
        {
            break;
        }

        if(pangolin::Pushed(*gui->save))
        {
            eFusion->savePly();
        }

        TOCK("GUI");
    }
}