FGFS-4.1/OpenSceneGraph
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Added environmental variable for setting the height of the drive manipulator.

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This commit is contained in:
Robert Osfield
2003-12-10 16:50:26 +00:00
parent 5011d994e8
commit 8f41f8a149
1 changed files with 20 additions and 9 deletions
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29
src/osgGA/DriveManipulator.cpp
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@@ -9,12 +9,25 @@
using namespace osg;
using namespace osgGA;
#define DRIVER_HEIGHT 15
static float getHeightOfDriver()
{
float height = 1.5f;
if (getenv("OSG_DRIVE_MANIPULATOR_HEIGHT"))
{
height = atof(getenv("OSG_DRIVE_MANIPULATOR_HEIGHT"));
}
osg::notify(osg::INFO)<<"DriveManipulator::_height set to =="<<height<<std::endl;
return height;
}
DriveManipulator::DriveManipulator()
{
_modelScale = 0.01f;
_velocity = 0.0f;
_height = 1.5f;
_buffer = 2.0f;
_height = getHeightOfDriver();
_buffer = _height*1.3;
//_speedMode = USE_MOUSE_Y_FOR_SPEED;
_speedMode = USE_MOUSE_BUTTONS_FOR_SPEED;
}
@@ -35,8 +48,8 @@ void DriveManipulator::setNode(osg::Node* node)
//_height = sqrtf(_modelScale)*0.03f;
//_buffer = sqrtf(_modelScale)*0.05f;
_height = 1.5f;
_buffer = 2.0f;
_height = getHeightOfDriver();
_buffer = _height*1.3;
}
}
@@ -143,8 +156,6 @@ void DriveManipulator::home(const GUIEventAdapter& ea,GUIActionAdapter& us)
boundingSphere._center+osg::Vec3( 0.0,-2.0f * boundingSphere._radius,0.0f),
osg::Vec3(0.0f,1.0f,0.0f),
osg::Vec3(0.0f,0.0f,1.0f));
std::cout << "!positionSet"<<std::endl;
}
}
@@ -510,6 +521,7 @@ bool DriveManipulator::calcMovement()
else up = -np;
_eye = ip+up*_height;
lv = up^sv;
computePosition(_eye,lv,up);
@@ -519,7 +531,7 @@ bool DriveManipulator::calcMovement()
}
}
// no hit on the terrain found therefore resort to a fall under
// under the influence of gravity.
osg::Vec3 dp = lfp;
@@ -547,6 +559,7 @@ bool DriveManipulator::calcMovement()
else up = -np;
_eye = ip+up*_height;
lv = up^sv;
computePosition(_eye,lv,up);
@@ -560,8 +573,6 @@ bool DriveManipulator::calcMovement()
lv *= (_velocity*dt);
_eye += lv;
}
return true;