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

Improved osgSim::SphereSegmenet's handling of transparancy.

Browse Source
This commit is contained in:
Robert Osfield
2004-02-12 01:15:37 +00:00
parent 2f63f0fa21
commit eca2fc2837
4 changed files with 290 additions and 122 deletions
Download Patch File Download Diff File Expand all files Collapse all files

66
examples/osgspheresegment/osgspheresegment.cpp
View File

@@ -30,61 +30,61 @@ class MyNodeCallback: public osg::NodeCallback
// void MyNodeCallback::operator()(osg::Node* n,osg::NodeVisitor* nv)
// {
// if(osgSim::SphereSegment* ss=dynamic_cast<osgSim::SphereSegment*>(n))
// {
// osg::Vec3 vec;
// float azRange, elevRange;
// ss->getArea(vec,azRange,elevRange);
// {
// osg::Vec3 vec;
// float azRange, elevRange;
// ss->getArea(vec,azRange,elevRange);
//
// float azRangeDeg = osg::RadiansToDegrees(azRange);
// float azRangeDeg = osg::RadiansToDegrees(azRange);
//
// static bool azAscending = false;
// static bool azAscending = false;
//
// if(azAscending){
// azRangeDeg += 1.0f;
// if(azRangeDeg>89.0f) azAscending = false;
// }else{
// azRangeDeg -= 1.0f;
// if(azRangeDeg<2.0f) azAscending = true;
// }
// azRangeDeg += 1.0f;
// if(azRangeDeg>89.0f) azAscending = false;
// }else{
// azRangeDeg -= 1.0f;
// if(azRangeDeg<2.0f) azAscending = true;
// }
//
// ss->setArea(vec,osg::DegreesToRadians(azRangeDeg),elevRange);
// ss->setArea(vec,osg::DegreesToRadians(azRangeDeg),elevRange);
//
// }
// }
// traverse(n,nv);
// }
void MyNodeCallback::operator()(osg::Node* n,osg::NodeVisitor* nv)
{
if(osgSim::SphereSegment* ss=dynamic_cast<osgSim::SphereSegment*>(n))
{
osg::Vec3 vec;
float azRange, elevRange;
ss->getArea(vec,azRange,elevRange);
{
osg::Vec3 vec;
float azRange, elevRange;
ss->getArea(vec,azRange,elevRange);
static float angle = 0.0f;
if(++angle > 359.0f) angle = 0.0f;
vec.set(sin(osg::DegreesToRadians(angle)),cos(osg::DegreesToRadians(angle)),0.0f);
if(++angle > 359.0f) angle = 0.0f;
vec.set(sin(osg::DegreesToRadians(angle)),cos(osg::DegreesToRadians(angle)),0.0f);
std::cout<<"angle "<<angle<<" degrees, vec is "<<vec
<<", azRange is "<<osg::RadiansToDegrees(azRange)
<<", elevRange is "<<osg::RadiansToDegrees(elevRange)
<<std::endl;
<<", azRange is "<<osg::RadiansToDegrees(azRange)
<<", elevRange is "<<osg::RadiansToDegrees(elevRange)
<<std::endl;
ss->setArea(vec,azRange,elevRange);
}
ss->setArea(vec,azRange,elevRange);
}
traverse(n,nv);
}
osg::Node* createSphereSegment()
{
SphereSegment* ss = new SphereSegment(osg::Vec3(0.0f,0.0f,0.0f), 1.0f,
osg::Vec3(0.0f,1.0f,0.0f),
osg::DegreesToRadians(90.0f),
osg::DegreesToRadians(45.0f),
60);
ss->setAllColors(osg::Vec4(1.0f,1.0f,1.0f,1.0f));
ss->setSideColor(osg::Vec4(0.0f,0.0f,1.0f,0.1f));
//ss->setDrawMask(SphereSegment::DrawMask(SphereSegment::SPOKES | SphereSegment::EDGELINE));
SphereSegment* ss = new SphereSegment(osg::Vec3(0.0f,0.0f,0.0f), 1.0f,
osg::Vec3(0.0f,1.0f,0.0f),
osg::DegreesToRadians(90.0f),
osg::DegreesToRadians(45.0f),
60);
ss->setAllColors(osg::Vec4(1.0f,1.0f,1.0f,0.5f));
ss->setSideColor(osg::Vec4(0.0f,0.0f,1.0f,0.5f));
//ss->setDrawMask(SphereSegment::DrawMask(SphereSegment::SPOKES | SphereSegment::EDGELINE));
//ss->setUpdateCallback(new MyNodeCallback);