/** Sets the mode of the camera.
* \param mode Mode the camera should be switched to.
*/
void Camera::setMode(Mode mode)
{
// If we switch from reverse view, move the camera immediately to the
// correct position.
if(m_mode==CM_REVERSE && mode==CM_NORMAL)
{
Vec3 wanted_position, wanted_target;
computeNormalCameraPosition(&wanted_position, &wanted_target);
m_camera->setPosition(wanted_position.toIrrVector());
m_camera->setTarget(wanted_target.toIrrVector());
assert(!isnan(m_camera->getPosition().X));
assert(!isnan(m_camera->getPosition().Y));
assert(!isnan(m_camera->getPosition().Z));
}
if(mode==CM_FINAL)
{
if(m_end_cameras.size()>0)
m_camera->setPosition(m_end_cameras[0].m_position.toIrrVector());
m_next_end_camera = m_end_cameras.size()>1 ? 1 : 0;
m_current_end_camera = 0;
m_camera->setFOV(m_fov);
handleEndCamera(0);
} // mode==CM_FINAL
m_mode = mode;
} // setMode
/** Called once per time frame to move the camera to the right position.
* \param dt Time step.
*/
void Camera::update(float dt)
{
if (m_kart == NULL) return; // cameras not attached to kart must be positioned manually
float above_kart, cam_angle, side_way, distance;
bool smoothing;
// The following settings give a debug camera which shows the track from
// high above the kart straight down.
if (UserConfigParams::m_camera_debug==1)
{
core::vector3df xyz = m_kart->getXYZ().toIrrVector();
m_camera->setTarget(xyz);
xyz.Y = xyz.Y+55;
xyz.Z -= 5.0f;
m_camera->setPosition(xyz);
// To view inside tunnels (FIXME 27>15 why??? makes no sense
// - the kart should not be visible, but it works)
m_camera->setNearValue(27.0);
}
else if (m_mode==CM_FINAL)
{
handleEndCamera(dt);
}
// If an explosion is happening, stop moving the camera,
// but keep it target on the kart.
else if (dynamic_cast<ExplosionAnimation*>(m_kart->getKartAnimation()))
{
getCameraSettings(&above_kart, &cam_angle, &side_way, &distance, &smoothing);
// The camera target needs to be 'smooth moved', otherwise
// there will be a noticable jump in the first frame
// Aim at the usual same position of the kart (i.e. slightly
// above the kart).
core::vector3df wanted_target(m_kart->getXYZ().toIrrVector()
+core::vector3df(0, above_kart, 0) );
core::vector3df current_target = m_camera->getTarget();
// Note: this code is replicated from smoothMoveCamera so that
// the camera keeps on pointing to the same spot.
current_target += ((wanted_target-current_target)*m_target_speed)*dt;
m_camera->setTarget(current_target);
}
else
{
getCameraSettings(&above_kart, &cam_angle, &side_way, &distance, &smoothing);
positionCamera(dt, above_kart, cam_angle, side_way, distance, smoothing);
}
if (UserConfigParams::m_graphical_effects && m_rain)
{
m_rain->setPosition( getCameraSceneNode()->getPosition() );
m_rain->update(dt);
} // UserConfigParams::m_graphical_effects
} // update
/** Sets the mode of the camera.
* \param mode Mode the camera should be switched to.
*/
void Camera::setMode(Mode mode)
{
// If we switch from reverse view, move the camera immediately to the
// correct position.
if((m_mode==CM_REVERSE && mode==CM_NORMAL) || (m_mode==CM_FALLING && mode==CM_NORMAL))
{
Vec3 start_offset(0, 1.6f, -3);
Vec3 current_position = m_kart->getTrans()(start_offset);
m_camera->setPosition( current_position.toIrrVector());
m_camera->setTarget(m_camera->getPosition());
}
if(mode==CM_FINAL)
{
if(m_end_cameras.size()>0)
m_camera->setPosition(m_end_cameras[0].m_position.toIrrVector());
m_next_end_camera = m_end_cameras.size()>1 ? 1 : 0;
m_current_end_camera = 0;
m_camera->setFOV(m_fov);
handleEndCamera(0);
} // mode==CM_FINAL
m_mode = mode;
} // setMode
