FGFS-4.1/OpenSceneGraph
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Removed remaining dependancies on osg::Camera.

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This commit is contained in:
Robert Osfield
2003-05-19 15:15:17 +00:00
parent 4151312dc5
commit 940ce67133
31 changed files with 506 additions and 616 deletions
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69
src/osgGA/FlightManipulator.cpp
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@@ -44,14 +44,14 @@ osg::Node* FlightManipulator::getNode()
void FlightManipulator::home(const GUIEventAdapter& ea,GUIActionAdapter& us)
{
if(_node.get() && _camera.get())
if(_node.get())
{
const osg::BoundingSphere& boundingSphere=_node->getBound();
_camera->setLookAt(
computePosition(
boundingSphere._center+osg::Vec3( 0.0,-3.5f * boundingSphere._radius,0.0f),
boundingSphere._center,
osg::Vec3(0.0f,1.0f,0.0f),
osg::Vec3(0.0f,0.0f,1.0f));
_velocity = 0.0f;
@@ -60,8 +60,6 @@ void FlightManipulator::home(const GUIEventAdapter& ea,GUIActionAdapter& us)
us.requestWarpPointer((ea.getXmin()+ea.getXmax())/2.0f,(ea.getYmin()+ea.getYmax())/2.0f);
computeLocalDataFromCamera();
flushMouseEventStack();
}
@@ -81,15 +79,11 @@ void FlightManipulator::init(const GUIEventAdapter& ea,GUIActionAdapter& us)
{
us.requestWarpPointer((ea.getXmin()+ea.getXmax())/2.0f,(ea.getYmin()+ea.getYmax())/2.0f);
}
computeLocalDataFromCamera();
}
bool FlightManipulator::handle(const GUIEventAdapter& ea,GUIActionAdapter& us)
{
if(!_camera.get()) return false;
switch(ea.getEventType())
{
case(GUIEventAdapter::PUSH):
@@ -138,16 +132,6 @@ bool FlightManipulator::handle(const GUIEventAdapter& ea,GUIActionAdapter& us)
us.requestContinuousUpdate(false);
return true;
}
else if (ea.getKey()=='+')
{
_camera->setFusionDistanceRatio(_camera->getFusionDistanceRatio()*1.25f);
return true;
}
else if (ea.getKey()=='-')
{
_camera->setFusionDistanceRatio(_camera->getFusionDistanceRatio()/1.25f);
return true;
}
else if (ea.getKey()=='q')
{
_yawMode = YAW_AUTOMATICALLY_WHEN_BANKED;
@@ -178,8 +162,6 @@ bool FlightManipulator::handle(const GUIEventAdapter& ea,GUIActionAdapter& us)
void FlightManipulator::getUsage(osg::ApplicationUsage& usage) const
{
usage.addKeyboardMouseBinding("Flight: Space","Reset the viewing position to home");
usage.addKeyboardMouseBinding("Flight: +","When in stereo, increase the fusion distance");
usage.addKeyboardMouseBinding("Flight: -","When in stereo, reduse the fusion distance");
usage.addKeyboardMouseBinding("Flight: q","Automatically yaw when banked (default)");
usage.addKeyboardMouseBinding("Flight: a","No yaw when banked");
}
@@ -198,43 +180,46 @@ void FlightManipulator::addMouseEvent(const GUIEventAdapter& ea)
}
void FlightManipulator::computeLocalDataFromCamera()
void FlightManipulator::setByMatrix(const osg::Matrix& matrix)
{
// maths from gluLookAt/osg::Matrix::makeLookAt
osg::Vec3 f(_camera->getCenterPoint()-_camera->getEyePoint());
_eye = matrix.getTrans();
_rotation.set(matrix);
_distance = 1.0f;
}
osg::Matrix FlightManipulator::getMatrix() const
{
return osg::Matrix::rotate(_rotation)*osg::Matrix::translate(_eye);
}
osg::Matrix FlightManipulator::getInverseMatrix() const
{
return osg::Matrix::translate(-_eye)*osg::Matrix::rotate(_rotation.inverse());
}
void FlightManipulator::computePosition(const osg::Vec3& eye,const osg::Vec3& lv,const osg::Vec3& up)
{
osg::Vec3 f(lv);
f.normalize();
osg::Vec3 s(f^_camera->getUpVector());
osg::Vec3 s(f^up);
s.normalize();
osg::Vec3 u(s^f);
u.normalize();
osg::Matrix rotation_matrix(s[0], u[0], -f[0], 0.0f,
s[1], u[1], -f[1], 0.0f,
s[2], u[2], -f[2], 0.0f,
0.0f, 0.0f, 0.0f, 1.0f);
_eye = _camera->getEyePoint();
_distance = _camera->getLookDistance();
_eye = eye;
_distance = lv.length();
_rotation.set(rotation_matrix);
_rotation = _rotation.inverse();
}
void FlightManipulator::computeCameraFromLocalData()
{
osg::Matrix new_rotation;
new_rotation.makeRotate(_rotation);
osg::Vec3 up = osg::Vec3(0.0f,1.0f,0.0) * new_rotation;
osg::Vec3 center = (osg::Vec3(0.0f,0.0f,-_distance) * new_rotation) + _eye;
_camera->setLookAt(_eye,center,up);
}
bool FlightManipulator::calcMovement()
{
_camera->setFusionDistanceMode(osg::Camera::PROPORTIONAL_TO_SCREEN_DISTANCE);
// return if less then two events have been added.
if (_ga_t0.get()==NULL || _ga_t1.get()==NULL) return false;
@@ -311,7 +296,5 @@ bool FlightManipulator::calcMovement()
_eye += lv;
_rotation = _rotation*delta_rotate;
computeCameraFromLocalData();
return true;
}