FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fixed handling of window size/projection matrix

Browse Source
This commit is contained in:
Robert Osfield
2012-12-07 12:47:42 +00:00
parent aa3634979a
commit ccdca3d9bf
2 changed files with 59 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
examples/osgframerenderer/CameraProperty.cpp
View File

@@ -4,11 +4,22 @@ using namespace gsc;
void CameraProperty::setToModel(const osg::Node* node)
{
double distanceRatio = 3.5;
osg::BoundingSphere bs = node->getBound();
double screenWidth = osg::DisplaySettings::instance()->getScreenWidth();
double screenHeight = osg::DisplaySettings::instance()->getScreenHeight();
double screenDistance = osg::DisplaySettings::instance()->getScreenDistance();
double vfov = atan2(screenHeight/2.0,screenDistance)*2.0;
double hfov = atan2(screenWidth/2.0,screenDistance)*2.0;
double viewAngle = vfov<hfov ? vfov : hfov;
double dist = bs.radius() / sin(viewAngle*0.5);
// dist = osg::DisplaySettings::instance()->getScreenDistance();
_center = bs.center();
_eye = _center - osg::Vec3d(0.0, bs.radius()*distanceRatio, 0.0);
_eye = _center - osg::Vec3d(0.0, dist, 0.0);
_up = osg::Vec3d(0.0, 0.0, 1.0);
_rotationCenter = _center;