void Ship :: setupCamera () const
{
CoordinateSystem camera = getCameraCoordinateSystem();
const Vector3& camera_position = camera.getPosition();
const Vector3& camera_up = camera.getUp();
Vector3 look_at = camera_position + camera.getForward();
gluLookAt(camera_position.x, camera_position.y, camera_position.z,
look_at.x, look_at.y, look_at.z,
camera_up.x, camera_up.y, camera_up.z);
}
void SIM::Coin3D::Quarter::SoQTQuarterAdaptor::seekToPoint(const SbVec3f& scenepos)
{
SbVec3f hitpoint(scenepos);
m_camerastartposition = getSoRenderManager()->getCamera()->position.getValue();
m_camerastartorient = getSoRenderManager()->getCamera()->orientation.getValue();
// move point to the camera coordinate system, consider
// transformations before camera in the scene graph
SbMatrix cameramatrix, camerainverse;
getCameraCoordinateSystem(getSoRenderManager()->getCamera(),
getSceneGraph(),
cameramatrix,
camerainverse);
camerainverse.multVecMatrix(hitpoint, hitpoint);
float fd = m_seekdistance;
if(!m_seekdistanceabs)
fd *= (hitpoint - getSoRenderManager()->getCamera()->position.getValue()).length()/100.0f;
getSoRenderManager()->getCamera()->focalDistance = fd;
SbVec3f dir = hitpoint - m_camerastartposition;
dir.normalize();
// find a rotation that rotates current camera direction into new
// camera direction.
SbVec3f olddir;
getSoRenderManager()->getCamera()->orientation.getValue().multVec(SbVec3f(0, 0, -1), olddir);
SbRotation diffrot(olddir, dir);
m_cameraendposition = hitpoint - fd * dir;
m_cameraendorient = getSoRenderManager()->getCamera()->orientation.getValue() * diffrot;
if(m_seeksensor->isScheduled()) {
m_seeksensor->unschedule();
interactiveCountDec();
}
m_seeksensor->setBaseTime(SbTime::getTimeOfDay());
m_seeksensor->schedule();
interactiveCountInc();
}
