FGFS-4.1/OpenSceneGraph
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Fix for renaming of ShadowOccluderVolume to ShadowVolumeOccluder.

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This commit is contained in:
Robert Osfield
2002-06-12 13:54:14 +00:00
parent c7e99ff77a
commit e467027946
4 changed files with 17 additions and 7 deletions
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2
src/osg/CollectOccludersVisitor.cpp
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@@ -114,7 +114,7 @@ void CollectOccludersVisitor::apply(osg::OccluderNode& node)
// need to test occluder against view frustum.
std::cout << " adding in Occluder"<<std::endl;
_occluderList.push_back(ShadowVolumeOccluder(_nodePath, *node.getOccluder(), getModelViewMatrix()));
_occluderList.push_back(ShadowVolumeOccluder(_nodePath, *node.getOccluder(), getModelViewMatrix(),getProjectionMatrix()));
}
traverse(node);

14
src/osg/ShadowVolumeOccluder.cpp
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@@ -1,11 +1,21 @@
#include <osg/ShadowOccluderVolume>
#include <osg/ShadowVolumeOccluder>
using namespace osg;
void ShadowVolumeOccluder::computeOccluder(const NodePath& nodePath,const ConvexPlanerOccluder& occluder,const Matrix& MVP)
void ShadowVolumeOccluder::computeOccluder(const NodePath& nodePath,const ConvexPlanerOccluder& occluder,const Matrix& MV,const Matrix& P)
{
std::cout<<" Computing Occluder"<<std::endl;
// for the occluder polygon and each of the holes do
// first transform occluder polygon into clipspace by multiple it by c[i] = v[i]*(MV*P)
// then push to coords to far plane by setting its coord to c[i].z = -1.
// then transform far plane polygon back into projection space, by p[i]*inv(P)
// compute orientation of front plane, if normal.z()<0 then facing away from eye pont, so reverse the polygons, or simply invert planes.
// compute volume (quality) betwen front polygon in projection space and back polygon in projection space.
}
bool ShadowVolumeOccluder::contains(const std::vector<Vec3>& vertices)