void CCS::FreeCameraMode::update(const Ogre::Real &timeSinceLastFrame)
{
Ogre::Vector3 dirVector = mCameraCS->getOgreCamera()->getRealDirection();
Ogre::Vector3 lateralVector = dirVector.crossProduct(mFixedAxis).normalisedCopy();
Ogre::Vector3 upVector = -dirVector.crossProduct(lateralVector).normalisedCopy();
Ogre::Vector3 displacement = ((dirVector * mLongitudinalDisplacement)
+ (upVector * mVerticalDisplacement)
+ (lateralVector * mLateralDisplacement)) * timeSinceLastFrame * mMoveFactor;
mCameraPosition += displacement;
if(mCollisionsEnabled)
{
mCameraPosition = collisionDelegate(mCameraCS->getCameraTargetPosition(), mCameraPosition);
}
Ogre::Quaternion offsetX(mRotY,Ogre::Vector3::UNIT_X);
Ogre::Quaternion offsetY(mRotX,mFixedAxis);
mCameraOrientation = offsetY * offsetX;
mLongitudinalDisplacement = 0;
mLateralDisplacement = 0;
mVerticalDisplacement = 0;
}
void CCS::OrbitalCameraMode::update(const Ogre::Real &timeSinceLastFrame)
{
ChaseFreeYawAxisCameraMode::update(timeSinceLastFrame);
mRotVertical += mRotVerticalDisplacement * timeSinceLastFrame * mRotationFactor;
mRotHorizontal += mRotHorizontalDisplacement * timeSinceLastFrame * mRotationFactor;
mZoom += mZoomDisplacement * timeSinceLastFrame * mZoomFactor;
Ogre::Quaternion offsetVertical(mRotVertical,Ogre::Vector3::UNIT_X);
Ogre::Quaternion offsetHorizontal(mRotHorizontal,Ogre::Vector3::UNIT_Y);
mCameraOrientation = mCameraOrientation * offsetHorizontal * offsetVertical;
mCameraPosition += mCameraOrientation * Ogre::Vector3(0,0,mZoom);
mRotVerticalDisplacement = 0;
mRotHorizontalDisplacement = 0;
mZoomDisplacement = 0;
if(mCollisionsEnabled)
{
mCameraPosition = collisionDelegate(mCameraCS->getCameraTargetPosition(), mCameraPosition);
}
}
void CCS::CollidableOrbitalCameraMode::update(const Ogre::Real &timeSinceLastFrame)
{
OrbitalCameraMode::update(timeSinceLastFrame);
mCameraPosition = collisionDelegate(mCameraCS->getCameraTargetPosition(), mCameraPosition);
}
