FGFS-4.1/OpenSceneGraph
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Added support for matix manipulator setHomePosition(,,)

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This commit is contained in:
Robert Osfield
2004-07-12 19:54:54 +00:00
parent 47910f2c2e
commit 0acbe077fa
9 changed files with 135 additions and 58 deletions
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33
src/osgGA/DriveManipulator.cpp
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@@ -51,6 +51,7 @@ void DriveManipulator::setNode(osg::Node* node)
_height = getHeightOfDriver();
_buffer = _height*1.3;
}
if (getAutoComputeHomePosition()) computeHomePosition();
}
@@ -65,13 +66,10 @@ osg::Node* DriveManipulator::getNode()
return _node.get();
}
void DriveManipulator::home(const GUIEventAdapter& ea,GUIActionAdapter& us)
void DriveManipulator::computeHomePosition()
{
if(_node.get())
{
const osg::BoundingSphere& boundingSphere=_node->getBound();
osg::Vec3d ep = boundingSphere._center;
@@ -110,7 +108,7 @@ void DriveManipulator::home(const GUIEventAdapter& ea,GUIActionAdapter& us)
ep += getUpVector(cf)*_height;
osg::Vec3 lv = uv^osg::Vec3d(1.0,0.0,0.0);
computePosition(ep,lv,uv);
setHomePosition(ep,ep+lv,uv);
positionSet = true;
@@ -145,7 +143,7 @@ void DriveManipulator::home(const GUIEventAdapter& ea,GUIActionAdapter& us)
ep = ip;
ep += getUpVector(cf)*_height;
osg::Vec3 lv = uv^osg::Vec3d(1.0,0.0,0.0);
computePosition(ep,lv,uv);
setHomePosition(ep,ep+lv,uv);
positionSet = true;
@@ -156,14 +154,21 @@ void DriveManipulator::home(const GUIEventAdapter& ea,GUIActionAdapter& us)
if (!positionSet)
{
computePosition(
setHomePosition(
boundingSphere._center+osg::Vec3d( 0.0,-2.0 * boundingSphere._radius,0.0),
osg::Vec3d(0.0,1.0,0.0),
boundingSphere._center+osg::Vec3d( 0.0,-2.0 * boundingSphere._radius,0.0)+osg::Vec3d(0.0,1.0,0.0),
osg::Vec3d(0.0,0.0,1.0));
}
}
}
void DriveManipulator::home(const GUIEventAdapter& ea,GUIActionAdapter& us)
{
if (getAutoComputeHomePosition()) computeHomePosition();
computePosition(_homeEye, _homeCenter, _homeUp);
_velocity = 0.0;
us.requestRedraw();
@@ -218,7 +223,7 @@ void DriveManipulator::init(const GUIEventAdapter& ea,GUIActionAdapter& us)
ep = ip+uv*_height;
osg::Vec3d lv = uv^sv;
computePosition(ep,lv,uv);
computePosition(ep,ep+lv,uv);
positionSet = true;
}
@@ -252,7 +257,7 @@ void DriveManipulator::init(const GUIEventAdapter& ea,GUIActionAdapter& us)
ep = ip+uv*_height;
osg::Vec3 lv = uv^sv;
computePosition(ep,lv,uv);
computePosition(ep,ep+lv,uv);
positionSet = true;
}
@@ -386,8 +391,10 @@ osg::Matrixd DriveManipulator::getInverseMatrix() const
return osg::Matrixd::translate(-_eye)*osg::Matrixd::rotate(_rotation.inverse());
}
void DriveManipulator::computePosition(const osg::Vec3d& eye,const osg::Vec3d& lv,const osg::Vec3d& up)
void DriveManipulator::computePosition(const osg::Vec3d& eye,const osg::Vec3d& center,const osg::Vec3d& up)
{
osg::Vec3d lv = center-eye;
osg::Vec3d f(lv);
f.normalize();
osg::Vec3d s(f^up);
@@ -532,7 +539,7 @@ bool DriveManipulator::calcMovement()
lv = up^sv;
computePosition(_eye,lv,up);
computePosition(_eye,_eye+lv,up);
return true;
@@ -570,7 +577,7 @@ bool DriveManipulator::calcMovement()
lv = up^sv;
computePosition(_eye,lv,up);
computePosition(_eye,_eye+lv,up);
return true;
}