本文整理汇总了C++中VRCamera类的典型用法代码示例。如果您正苦于以下问题：C++ VRCamera类的具体用法？C++ VRCamera怎么用？C++ VRCamera使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了VRCamera类的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: update
void update(int value)
{
frameTimer.start();
// Read the experiment from file, if the file is finished exit suddenly
if ( inputStream.eof() )
{ exit(0);
}
if ( isReading )
{ // This reads a line (frame) in inputStream
readline(inputStream, trialNumber, headCalibration, trialMode, pointMatrix );
headEyeCoords.update(pointMatrix.col(0),pointMatrix.col(1),pointMatrix.col(2));
Affine3d active = headEyeCoords.getRigidStart().getFullTransformation();
eulerAngles.init( headEyeCoords.getRigidStart().getFullTransformation().rotation() );
eyeLeft = headEyeCoords.getLeftEye();
eyeRight= headEyeCoords.getRightEye();
cerr << eyeRight.transpose() << endl;
cyclopeanEye = (eyeLeft+eyeRight)/2.0;
if ( trialMode == STIMULUSMODE )
stimulusFrames++;
if ( trialMode == FIXATIONMODE )
stimulusFrames=0;
// Projection of view normal on the focal plane
Vector3d directionOfSight = (active.rotation()*Vector3d(0,0,-1)).normalized();
Eigen::ParametrizedLine<double,3> lineOfSightRight = Eigen::ParametrizedLine<double,3>::Through( eyeRight , eyeRight+directionOfSight );
double lineOfSightRightDistanceToFocalPlane = lineOfSightRight.intersection(focalPlane);
//double lenghtOnZ = (active*(center-eyeCalibration )+eyeRight).z();
projPointEyeRight = lineOfSightRightDistanceToFocalPlane *(directionOfSight)+ (eyeRight);
// second projection the fixation point computed with z non constant but perfectly parallel to projPointEyeRight
lineOfSightRightDistanceToFocalPlane= (( active.rotation()*(center)) - eyeRight).norm();
Vector3d secondProjection = lineOfSightRightDistanceToFocalPlane *(directionOfSight)+ (eyeRight);
projPointEyeRight=secondProjection ;
// Compute the translation to move the eye in order to avoid share components
Vector3d posAlongLineOfSight = (headEyeCoords.getRigidStart().getFullTransformation().rotation())*(eyeRight -eyeCalibration);
// GENERATION OF PASSIVE MODE.
// HERE WE MOVE THE SCREEN TO FACE THE OBSERVER's EYE
if ( passiveMode )
{ initProjectionScreen(0, headEyeCoords.getRigidStart().getFullTransformation()*Translation3d(center));
}
else
initProjectionScreen(focalDistance, Affine3d::Identity());
if ( trialMode == STIMULUSMODE )
{
// IMPORTANT Reset the previous status of transformations
objectActiveTransformation[0].setIdentity();
objectActiveTransformation[1].setIdentity();
// PLANE 0 Transformation QUELLO CHE STA SOTTO
alpha = atan( eyeRight.x()/abs(projPointEyeRight.z()) );
if ( overallTilt )
{
instantPlaneSlant = alphaMultiplier*alpha+toRadians(-factors.at("DeltaSlant")-factors.at("StillPlaneSlant"));
AngleAxis<double> aa0( instantPlaneSlant,Vector3d::UnitY());
objectActiveTransformation[0]*=aa0;
double planesYOffset = factors.at("PlanesCentersYDistance")*(whichPlaneDrawUp ? 1 : -1);
objectActiveTransformation[0].translation() = Vector3d(0,planesYOffset,focalDistance);
// PLANE 1 Transformation QUELLO CHE STA SOPRA
AngleAxis<double> aa1(-toRadians(factors.at("StillPlaneSlant")),Vector3d::UnitY());
objectActiveTransformation[1]*=aa1;
objectActiveTransformation[1].translation() = Vector3d(0,-planesYOffset,focalDistance);
}
else
{
instantPlaneSlant = alphaMultiplier*alpha+toRadians(factors.at("DeltaSlant")+factors.at("StillPlaneSlant"));
AngleAxis<double> aa0( instantPlaneSlant,Vector3d::UnitY());
objectActiveTransformation[0]*=aa0;
double planesYOffset = factors.at("PlanesCentersYDistance")*(whichPlaneDrawUp ? 1 : -1);
objectActiveTransformation[0].translation() = Vector3d(0,planesYOffset,focalDistance);
// PLANE 1 Transformation QUELLO CHE STA SOPRA
AngleAxis<double> aa1(toRadians(factors.at("StillPlaneSlant")),Vector3d::UnitY());
objectActiveTransformation[1]*=aa1;
objectActiveTransformation[1].translation() = Vector3d(0,-planesYOffset,focalDistance);
}
objectPassiveTransformation[0] = ( cam.getModelViewMatrix()*objectActiveTransformation[0] );
objectPassiveTransformation[1] = ( cam.getModelViewMatrix()*objectActiveTransformation[1] );
//cout << toDegrees(instantPlaneSlant) << endl;
// **************** COMPUTE THE OPTIC FLOWS **************************
// 1) Project the points to screen by computing their coordinates on focalPlane in passive (quite complicate, see the specific method)
// *********** FOR THE MOVING PLANE *************
vector<Vector3d> projPointsMovingPlane = stimDrawer[0].projectStimulusPoints(objectActiveTransformation[0],headEyeCoords.getRigidStart().getFullTransformation(),cam,focalDistance, screen, eyeCalibration,passiveMode,false);
// 2) Get the angles formed by stimulus and observer
// updating with the latest values
Vector3d oldAlphaMoving = flowsAnglesAlphaMoving,oldBetaMoving=flowsAnglesBetaMoving;
// alpha is the "pitch" angle, beta is the "yaw" angle
// Here me must use the points 4,5,8 of the stimulus
flowsAnglesAlphaMoving(0) = ( atan2(projPointsMovingPlane[4].x(), abs(focalDistance) ) );
flowsAnglesAlphaMoving(1) = ( atan2(projPointsMovingPlane[5].x(), abs(focalDistance) ) );
flowsAnglesAlphaMoving(2) = ( atan2(projPointsMovingPlane[8].x(), abs(focalDistance) ) );
//.........这里部分代码省略.........
示例2: initProjectionScreen
void initProjectionScreen(double _focalDist)
{ screen.setWidthHeight(SCREEN_WIDE_SIZE, SCREEN_WIDE_SIZE*SCREEN_HEIGHT/SCREEN_WIDTH);
screen.setOffset(alignmentX,alignmentY);
screen.setFocalDistance(_focalDist);
cam.init(screen);
}示例3: initProjectionScreen
// Questa funzione definisce la distanza e l'orientazione dello schermo di proiezione virtuale, e' importante che la lasci cosi almeno che tu non voglia:
// 1) simulare uno schermo di proiezione che si muove o comunque con un orientamento diverso da quello standard cioe' il piano a z=focalDistance
// 2) spostare il piano di proiezione cambiando alignmentX ed alignmentY ma per quello ti consiglio di contattarmi o comunque utilizzare il file headCalibration.cpp che ha legato ai tasti 2,4,6,8 il movimento dello schermo per allineare mondo virtuale e mondo optotrak
void initProjectionScreen(double _focalDist, const Affine3d &_transformation, bool synchronous)
{
cam.init(Screen(SCREEN_WIDE_SIZE, SCREEN_WIDE_SIZE*SCREEN_HEIGHT/SCREEN_WIDTH,alignmentX,alignmentY,_focalDist));
}示例4: update
void update(int value)
{
// Conta i cicli di presentazione dello stimolo
if ( (sumOutside > str2num<int>(parameters.find("StimulusCycles")) ) && (trialMode == STIMULUSMODE) )
{
sumOutside=0;
trialMode++;
trialMode=trialMode%4;
}
if (conditionInside && (sumOutside*2 > str2num<int>(parameters.find("FixationCycles"))) && (trialMode ==FIXATIONMODE ) )
{
sumOutside=0;
trialMode++;
trialMode=trialMode%4;
stimulusDuration.start();
}
if ( trialMode == STIMULUSMODE )
stimulusFrames++;
if ( trialMode == FIXATIONMODE )
stimulusFrames=0;
Screen screenPassive;
screenPassive.setWidthHeight(SCREEN_WIDE_SIZE, SCREEN_WIDE_SIZE*SCREEN_HEIGHT/SCREEN_WIDTH);
screenPassive.setOffset(alignmentX,alignmentY);
screenPassive.setFocalDistance(0);
screenPassive.transform(headEyeCoords.getRigidStart().getFullTransformation()*Translation3d(center));
camPassive.init(screenPassive);
camPassive.setDrySimulation(true);
camPassive.setEye(eyeRight);
objectPassiveTransformation = ( camPassive.getModelViewMatrix()*objectActiveTransformation );
// Coordinates picker
markers = optotrak.getAllPoints();
if ( isVisible(markers[1]) && isVisible(markers[2]) && isVisible(markers[3]) )
headEyeCoords.update(markers[1],markers[2],markers[3]);
Affine3d active = headEyeCoords.getRigidStart().getFullTransformation();
eulerAngles.init( headEyeCoords.getRigidStart().getFullTransformation().rotation() );
eyeLeft = headEyeCoords.getLeftEye();
eyeRight = headEyeCoords.getRightEye();
cyclopeanEye = (eyeLeft+eyeRight)/2.0;
// Projection of view normal on the focal plane
Vector3d directionOfSight = (active.rotation()*Vector3d(0,0,-1)).normalized();
Eigen::ParametrizedLine<double,3> lineOfSightRight = Eigen::ParametrizedLine<double,3>::Through( eyeRight , eyeRight+directionOfSight );
Eigen::ParametrizedLine<double,3> lineOfSightLeft = Eigen::ParametrizedLine<double,3>::Through( eyeLeft, eyeLeft+directionOfSight );
double lineOfSightRightDistanceToFocalPlane = lineOfSightRight.intersection(focalPlane);
double lineOfSightLeftDistanceToFocalPlane = lineOfSightLeft.intersection(focalPlane);
//double lenghtOnZ = (active*(center-eyeCalibration )+eyeRight).z();
projPointEyeRight = lineOfSightRightDistanceToFocalPlane *(directionOfSight)+ (eyeRight);
projPointEyeLeft= lineOfSightLeftDistanceToFocalPlane * (directionOfSight) + (eyeLeft);
// second projection the fixation point computed with z non constant but perfectly parallel to projPointEyeRight
lineOfSightRightDistanceToFocalPlane= (( active.rotation()*(center)) - eyeRight).norm();
Vector3d secondProjection = lineOfSightRightDistanceToFocalPlane *(directionOfSight)+ (eyeRight);
if ( !zOnFocalPlane )
projPointEyeRight=secondProjection ;
// Compute the translation to move the eye in order to avoid shear components
Vector3d posAlongLineOfSight = (headEyeCoords.getRigidStart().getFullTransformation().rotation())*(eyeRight -eyeCalibration);
switch ( (int)factors["Translation"] )
{
case -1:
case -2:
translationFactor.setZero();
if ( trialMode == STIMULUSMODE )
projPointEyeRight=center;
break;
case 0:
translationFactor.setZero();
break;
case 1:
translationFactor = factors["TranslationConstant"]*Vector3d(posAlongLineOfSight.z(),0,0);
break;
case 2:
translationFactor = factors["TranslationConstant"]*Vector3d(0,posAlongLineOfSight.z(),0);
break;
}
if ( passiveMode )
initProjectionScreen(0,headEyeCoords.getRigidStart().getFullTransformation()*Translation3d(Vector3d(0,0,focalDistance)));
else
initProjectionScreen(focalDistance,Affine3d::Identity());
checkBounds();
/**** Save to file part ****/
// Markers file save the used markers and time-depending experimental variable to a file
// (Make sure that in passive experiment the list of variables has the same order)
markersFile << trialNumber << " " << headCalibrationDone << " " << trialMode << " " ;
markersFile <<markers[1].transpose() << " " << markers[2].transpose() << " " << markers[3].transpose() << " " << markers[17].transpose() << " " << markers[18].transpose() << " " ;
markersFile << factors["Tilt"] << " " <<
factors["Slant"] << " " <<
factors["Translation"] << " " <<
//.........这里部分代码省略.........
示例5: handleKeypress
void handleKeypress(unsigned char key, int x, int y)
{ switch (key)
{ //Quit program
case 'o':
orthographicMode=!orthographicMode;
cam.setOrthoGraphicProjection(orthographicMode);
break;
case 'z':
zOnFocalPlane=!zOnFocalPlane;
break;
case 'p':
passiveMode=!passiveMode;
break;
case 'q':
case 27:
{ cleanup();
exit(0);
}
break;
case ' ':
{
// Here we record the head shape - coordinates of eyes and markers, but centered in (0,0,0)
if ( headCalibrationDone==0 && allVisibleHead )
{
headEyeCoords.init(markers[17],markers[18], markers[1],markers[2],markers[3],interoculardistance );
headCalibrationDone=1;
break;
}
// Second calibration, you must look a fixed fixation point
if ( headCalibrationDone==1 )
{
headEyeCoords.init( headEyeCoords.getP1(),headEyeCoords.getP2(), markers[1], markers[2],markers[3],interoculardistance );
eyeCalibration=headEyeCoords.getRightEye();
headCalibrationDone=2;
break;
}
if ( headCalibrationDone==2 )
{ headEyeCoords.init( headEyeCoords.getP1(),headEyeCoords.getP2(), markers[1], markers[2],markers[3],interoculardistance );
eyeCalibration=headEyeCoords.getRightEye();
break;
}
}
break;
// Enter key: press to make the final calibration
case 13:
{
if ( headCalibrationDone == 2)
{
headEyeCoords.init( headEyeCoords.getP1(),headEyeCoords.getP2(), markers[1], markers[2],markers[3],interoculardistance );
eyeCalibration=headEyeCoords.getRightEye();
headCalibrationDone=3;
}
}
break;
case '2':
{
probeAngle=270;
keyPressed();
}
break;
case '8':
{
probeAngle=90;
keyPressed();
}
break;
case '4':
{
probeAngle=180;
keyPressed();
}
break;
case '6':
{
probeAngle=0;
keyPressed();
}
break;
}
}示例6: update
void update(int value)
{ // Read the experiment from file, if the file is finished exit suddenly
if ( inputStream.eof() )
{ cleanup();
exit(0);
}
if ( isReading )
{ // This reads a line (frame) in inputStream
readline(inputStream, trialNumber, headCalibration, trialMode, pointMatrix );
headEyeCoords.update(pointMatrix.col(0),pointMatrix.col(1),pointMatrix.col(2));
Affine3d active = headEyeCoords.getRigidStart().getFullTransformation();
eulerAngles.init( headEyeCoords.getRigidStart().getFullTransformation().rotation() );
eyeLeft = headEyeCoords.getLeftEye();
eyeRight= headEyeCoords.getRightEye();
cyclopeanEye = (eyeLeft+eyeRight)/2.0;
if ( trialMode == STIMULUSMODE )
stimulusFrames++;
if ( trialMode == FIXATIONMODE )
stimulusFrames=0;
// Projection of view normal on the focal plane
Vector3d directionOfSight = (active.rotation()*Vector3d(0,0,-1)).normalized();
Eigen::ParametrizedLine<double,3> lineOfSightRight = Eigen::ParametrizedLine<double,3>::Through( eyeRight , eyeRight+directionOfSight );
Eigen::ParametrizedLine<double,3> lineOfSightLeft = Eigen::ParametrizedLine<double,3>::Through( eyeLeft, eyeLeft+directionOfSight );
double lineOfSightRightDistanceToFocalPlane = lineOfSightRight.intersection(focalPlane);
double lineOfSightLeftDistanceToFocalPlane = lineOfSightLeft.intersection(focalPlane);
//double lenghtOnZ = (active*(center-eyeCalibration )+eyeRight).z();
projPointEyeRight = lineOfSightRightDistanceToFocalPlane *(directionOfSight)+ (eyeRight);
projPointEyeLeft= lineOfSightLeftDistanceToFocalPlane * (directionOfSight) + (eyeLeft);
// second projection the fixation point computed with z non constant but perfectly parallel to projPointEyeRight
lineOfSightRightDistanceToFocalPlane= (( active.rotation()*(center)) - eyeRight).norm();
Vector3d secondProjection = lineOfSightRightDistanceToFocalPlane *(directionOfSight)+ (eyeRight);
if ( !zOnFocalPlane )
projPointEyeRight=secondProjection ;
// Compute the translation to move the eye in order to avoid share components
Vector3d posAlongLineOfSight = (headEyeCoords.getRigidStart().getFullTransformation().rotation())*(eyeRight -eyeCalibration);
// GENERATION OF PASSIVE MODE.
// HERE WE MOVE THE SCREEN TO FACE THE OBSERVER's EYE
if ( passiveMode )
{
initProjectionScreen(0, headEyeCoords.getRigidStart().getFullTransformation()*Translation3d(center));
}
else
initProjectionScreen(focalDistance, Affine3d::Identity());
objectPassiveTransformation = ( cam.getModelViewMatrix()*objectActiveTransformation );
ofstream outputfile;
outputfile.open("data.dat");
outputfile << "Subject Name: " << parameters.find("SubjectName") << endl;
outputfile << "Passive matrix:" << endl << objectPassiveTransformation.matrix() << endl;
outputfile << "Yaw: " << toDegrees(eulerAngles.getYaw()) << endl <<"Pitch: " << toDegrees(eulerAngles.getPitch()) << endl;
outputfile << "EyeLeft: " << headEyeCoords.getLeftEye().transpose() << endl;
outputfile << "EyeRight: " << headEyeCoords.getRightEye().transpose() << endl << endl;
outputfile << "Slant: " << instantPlaneSlant << endl;
outputfile << "Factors:" << endl;
for (map<string,double>::iterator iter=factors.begin(); iter!=factors.end(); ++iter)
{
outputfile << "\t\t" << iter->first << "= " << iter->second << endl;
}
}
if ( trialMode == PROBEMODE )
isReading=false;
glutPostRedisplay();
glutTimerFunc(TIMER_MS, update, 0);
}