bool OrbitCameraManipulator::handleMouseRelease( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa )
{
osgViewer::View* view = dynamic_cast<osgViewer::View*>(&aa);
if( !view ) return false;
if( ea.getButtonMask() == 0 )
{
double timeSinceLastRecordEvent = _ga_t0.valid() ? (ea.getTime() - _ga_t0->getTime()) : DBL_MAX;
if( timeSinceLastRecordEvent > 0.02 )
{
flushMouseEventStack();
}
if( isMouseMoving() )
{
if( performMovement( ea, aa ) && _allowThrow )
{
aa.requestRedraw();
aa.requestContinuousUpdate( true );
_thrown = true;
// TODO: fade out throw animation
}
return true;
}
}
if( !m_pointer_push_drag )
{
// select object
bool intersection_geometry_found = intersectSceneSelect( ea, view );
if( !intersection_geometry_found )
{
// click to background -> unselect all
if( m_system != nullptr )
{
m_system->clearSelection();
}
}
}
m_pointer_push_drag = false;
flushMouseEventStack();
addMouseEvent( ea );
if( performMovement( ea, aa ) )
{
aa.requestRedraw();
}
aa.requestContinuousUpdate( false );
_thrown = false;
return true;
}
/*!
*
* \param ea
* Adapter udalosti.
*
* Metoda spomali pohyb na zaklade zdroja prijatej udalosti.
*
*/
bool CameraManipulator::handleKeyUp( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter & us)
{
switch( ea.getKey() )
{
case osgGA::GUIEventAdapter::KEY_Space:
{
flushMouseEventStack();
_thrown = false;
_distance = 1.0f;
home(ea,us);
us.requestRedraw();
us.requestContinuousUpdate(false);
stop();
break;
}
case osgGA::GUIEventAdapter::KEY_Up:
case osgGA::GUIEventAdapter::KEY_Down:
decelerateForwardRate = true;
break;
case osgGA::GUIEventAdapter::KEY_Right:
case osgGA::GUIEventAdapter::KEY_Left:
decelerateSideRate = true;
break;
case osgGA::GUIEventAdapter::KEY_Page_Up:
case osgGA::GUIEventAdapter::KEY_Page_Down:
decelerateVerticalRate = true;
break;
}
return true;
}
bool CameraManipulator::handlePush(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& us)
{
if (ea.getButtonMask() == osgGA::GUIEventAdapter::MIDDLE_MOUSE_BUTTON)
{
if (_distance != 0)
{
lastDistance = _distance;
osg::Vec3d eye, cameraCenter, up;
osgViewer::Viewer* viewer = dynamic_cast<osgViewer::Viewer*>( &us );
viewer->getCamera()->getViewMatrixAsLookAt(eye, cameraCenter, up);
_center = eye;
_distance = 0;
}
else
_distance = lastDistance;
return true;
}
else
{
flushMouseEventStack();
addMouseEvent(ea);
if (calcMovement()) us.requestRedraw();
us.requestContinuousUpdate(false);
_thrown = false;
return true;
}
}
bool CameraManipulator::handleRelease(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& us)
{
if (ea.getButtonMask()==0)
{
double timeSinceLastRecordEvent = _ga_t0.valid() ? (ea.getTime() - _ga_t0->getTime()) : DBL_MAX;
if (timeSinceLastRecordEvent>0.02) flushMouseEventStack();
if (isMouseMoving())
{
if (calcMovement())
{
us.requestRedraw();
us.requestContinuousUpdate(true);
_thrown = _allowThrow;
}
}
else
{
flushMouseEventStack();
addMouseEvent(ea);
if (calcMovement()) us.requestRedraw();
us.requestContinuousUpdate(false);
_thrown = false;
}
}
else
{
flushMouseEventStack();
addMouseEvent(ea);
if (calcMovement()) us.requestRedraw();
us.requestContinuousUpdate(false);
_thrown = false;
}
return true;
}
// mouse button has been pushed down
bool OrbitCameraManipulator::handleMousePush( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa )
{
osgViewer::View* view = dynamic_cast<osgViewer::View*>(&aa);
if( !view )
{
return false;
}
m_pointer_push_drag = false;
flushMouseEventStack();
addMouseEvent( ea );
m_ga_pointer_push = &ea;
intersectSceneRotateCenter( ea, view );
int buttonMask = ea.getButtonMask();
if( buttonMask == osgGA::GUIEventAdapter::MIDDLE_MOUSE_BUTTON || buttonMask == (osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON | osgGA::GUIEventAdapter::RIGHT_MOUSE_BUTTON) )
{
m_pan_point.set( m_pointer_intersection );
}
if( buttonMask == osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON )
{
osg::Vec3d distance_intersect_eye( m_pointer_intersection - m_eye );
//double distance_eye_intersection = distance_intersect_eye.length();
// rotate the intersection cone into mouse ray direction
if( m_intersect_hit_geometry )
{
}
}
aa.requestRedraw();
aa.requestContinuousUpdate( false );
_thrown = false;
return false;
}
bool FPSManipulator::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& us)
{
/* switch(ea.getEventType())
{
case(GUIEventAdapter::FRAME):
if (_thrown)
{
if (calcMovement()) us.requestRedraw();
}
return false;
default:
break;
}*/
if (ea.getHandled()) return false;
switch(ea.getEventType())
{
//if a key is pressed flush the previous states
/* case(GUIEventAdapter::PUSH):
{
flushMouseEventStack();
addMouseEvent(ea);
return true;
}
case(GUIEventAdapter::RELEASE):
{
if (ea.getButtonMask()==0)
{
double timeSinceLastRecordEvent = _ga_t0.valid() ? (ea.getTime() - _ga_t0->getTime()) : DBL_MAX;
if (timeSinceLastRecordEvent>0.02) flushMouseEventStack();
calcMovement();
}
else
{
flushMouseEventStack();
addMouseEvent(ea);
}
return true;
}*/
/* case(GUIEventAdapter::DRAG):
{
addMouseEvent(ea);
if (calcMovement()) us.requestRedraw();
us.requestContinuousUpdate(false);
_thrown = false;
return true;
}*/
/* case(GUIEventAdapter::MOVE):
{
return false;
}*/
case(osgGA::GUIEventAdapter::KEYDOWN):
if (ea.getKey()== osgGA::GUIEventAdapter::KEY_Space) //home on space bar
{
flushMouseEventStack();
home(0.);
return true;
}
return false;
case(osgGA::GUIEventAdapter::FRAME):
{
addMouseEvent(ea);
calcMovement();
}
return false;
default:
return false;
}
}
void FPSManipulator::init(const osgGA::GUIEventAdapter& ,osgGA::GUIActionAdapter& )
{
flushMouseEventStack();
}
bool FPSManipulator::calcMovement()
{
// return if less then two events have been added.
if (_ga_t0.get()==NULL || _ga_t1.get()==NULL) return false;
float dx = _ga_t0->getXnormalized()-_ga_t1->getXnormalized();
float dy = _ga_t0->getYnormalized()-_ga_t1->getYnormalized();
// float distance = sqrtf(dx*dx + dy*dy);
// return if there is no movement.
/* if (distance==0.0f)
{
return false;
}*/
// unsigned int buttonMask = _ga_t1->getButtonMask();
// if (buttonMask==osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON)//pk for test, to be removed after
{
// rotate camera.
float px0 = _ga_t0->getXnormalized();
float py0 = _ga_t0->getYnormalized();
float px1 = _ga_t1->getXnormalized();
float py1 = _ga_t1->getYnormalized();
//test the border to reset the position
if(px0>0.9 || px0<-0.9 || py0>0.9 || py0<-0.9)
{
_gw->requestWarpPointer((_ga_t0->getXmax() - _ga_t0->getXmin())/2,(_ga_t0->getYmax() - _ga_t0->getYmin())/2);
flushMouseEventStack(); //rest to avoid big move
}
double speed = _mouseScale; //default 50.0
//horizontal rotation
osg::Quat qh(osg::DegreesToRadians((px1-px0)*speed), osg::Z_AXIS);
//vertical rotation
//rotation axis //here axis is more complex
osg::Vec3d geteye, getcenter, getup;
getInverseMatrix().getLookAt(geteye, getcenter, getup);
osg::Vec3d front = getcenter - geteye;
front.normalize();
osg::Vec3d axis = front ^ osg::Z_AXIS;
axis.normalize();
//test and stop the vertical rotation
double scalar = front * osg::Z_AXIS;
osg::Quat qv;
qv = osg::Quat(osg::DegreesToRadians((py0-py1)*speed+computeAnimation()), axis);
if((scalar > 0.9 && py0 > py1 ) || (scalar < -0.9 && py0 < py1 )) //going up or down near vertical axis
{
qv = osg::Quat(-osg::DegreesToRadians((py0-py1)*speed), axis); //inverse rotation
}
//then apply the rotations
_rotation = _rotation*qv*qh;
return true;
}
/* else if (buttonMask==GUIEventAdapter::MIDDLE_MOUSE_BUTTON ||
buttonMask==(GUIEventAdapter::LEFT_MOUSE_BUTTON|GUIEventAdapter::RIGHT_MOUSE_BUTTON))
{
// pan model.
float scale = -0.3f*_distance;
osg::Matrix rotation_matrix;
rotation_matrix.makeRotate(_rotation);
osg::Vec3 dv(dx*scale,dy*scale,0.0f);
_center += dv*rotation_matrix;
return true;
}
else if (buttonMask==GUIEventAdapter::RIGHT_MOUSE_BUTTON)
{
// zoom model.
float fd = _distance;
float scale = 1.0f+dy;
if (fd*scale>_modelScale*_minimumZoomScale)
{
_distance *= scale;
}
else
{
// notify(DEBUG_INFO) << "Pushing forward"<<std::endl;
// push the camera forward.
float scale = -fd;
osg::Matrix rotation_matrix(_rotation);
osg::Vec3 dv = (osg::Vec3(0.0f,0.0f,-1.0f)*rotation_matrix)*(dy*scale);
_center += dv;
}
return true;
}*/
return false;
}
