void Camera::move(Movement direction, float speed) {
glm::vec3 translation;
if (direction == LEFT) {
translation = -getSideVector();
}
else if (direction == RIGHT) {
translation = getSideVector();
}
else if (direction == UP) {
translation = getOrthoUpVector();
}
else if (direction == DOWN) {
translation = -getOrthoUpVector();
}
else if (direction == BACKWARD) {
translation = -getLookVector();
}
else if (direction == FORWARD) {
translation = getLookVector();
}
translation = translation * m_Orientation * speed;
m_Eye += translation;
m_Center += translation;
}
/*!
* \param ea
* Adapter udalosti.
*
*
* Funkcia vypocita poziciu kamery a zmensi rychlost pohybu.
*
*/
void CameraManipulator::frame( const osgGA::GUIEventAdapter &ea, osgGA::GUIActionAdapter &aa )
{
osgViewer::Viewer* viewer = dynamic_cast<osgViewer::Viewer*>( &aa );
double t1 = ea.getTime();
if( t0 == 0.0 )
{
t0 = ea.getTime();
dt = 0.0;
}
else
{
dt = t1 - t0;
t0 = t1;
}
osg::Vec3d eye;
osg::Vec3d center;
osg::Vec3d up;
viewer->getCamera()->getViewMatrixAsLookAt(eye, center, up);
osg::Vec3d directionVec = center - eye;
osg::Vec3d sideVec = getSideVector(osg::Matrixd(_rotation)); /* direction * osg::Matrix::rotate(-M_PI * 0.5, upVector);*/
_center += ((directionVec * forwardSpeed) + (sideVec * sideSpeed) + (up * verticalSpeed)) * dt;
if( decelerateSideRate )
{
sideSpeed *= speedDecelerationFactor;
}
if( decelerateForwardRate )
{
forwardSpeed *= speedDecelerationFactor;
}
if (decelerateVerticalRate)
{
verticalSpeed *= speedDecelerationFactor;
}
if (deceleratePitchRate)
{
pitchSpeed *= speedDecelerationFactor;
}
}
