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

Added setting of the shadow map Camera's name to "ShadowCamera" to improve integration with osgOcean.

Browse Source
This commit is contained in:
Robert Osfield
2011-09-06 17:26:27 +00:00
parent f26ef2d9e0
commit 772c7d75c5
1 changed files with 15 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
src/osgShadow/ViewDependentShadowMap.cpp
View File

@@ -318,13 +318,14 @@ ViewDependentShadowMap::ShadowData::ShadowData(ViewDependentShadowMap::ViewDepen
// set up the camera
_camera = new osg::Camera;
_camera->setName("ShadowCamera");
_camera->setReferenceFrame(osg::Camera::ABSOLUTE_RF_INHERIT_VIEWPOINT);
//_camera->setClearColor(osg::Vec4(1.0f,1.0f,1.0f,1.0f));
_camera->setClearColor(osg::Vec4(0.0f,0.0f,0.0f,0.0f));
_camera->setComputeNearFarMode(osg::Camera::COMPUTE_NEAR_FAR_USING_BOUNDING_VOLUMES);
//_camera->setComputeNearFarMode(osg::Camera::COMPUTE_NEAR_FAR_USING_PRIMITIVES);
// set viewport
_camera->setViewport(0,0,textureSize.x(),textureSize.y());
@@ -1548,9 +1549,14 @@ bool ViewDependentShadowMap::adjustPerspectiveShadowMapCameraSettings(osgUtil::R
OSG_NOTICE<<"ls ConvexHull yMin="<<convexHull.min(1)<<", yMax="<<convexHull.max(1)<<std::endl;
OSG_NOTICE<<"ls ConvexHull zMin="<<convexHull.min(2)<<", zMax="<<convexHull.max(2)<<std::endl;
#endif
convexHull.clip(osg::Plane(0.0,0.0,1,1.0)); // clip by near plane of light space.
convexHull.clip(osg::Plane(0.0,0.0,-1,1.0)); // clip by far plane of light space.
#if 0
// only applicable when the light space contains the whole model contained in the view frustum.
{
convexHull.clip(osg::Plane(0.0,0.0,1,1.0)); // clip by near plane of light space.
convexHull.clip(osg::Plane(0.0,0.0,-1,1.0)); // clip by far plane of light space.
}
#endif
#if 0
convexHull.output(osg::notify(osg::NOTICE));
@@ -1567,6 +1573,7 @@ bool ViewDependentShadowMap::adjustPerspectiveShadowMapCameraSettings(osgUtil::R
double zMin = osg::maximum(-1.0,convexHull.min(2));
double zMax = osg::minimum(1.0,convexHull.max(2));
#if 1
// we always want the lightspace to include the computed near plane.
zMin = -1.0;
if (xMin!=-1.0 || yMin!=-1.0 || zMin!=-1.0 ||
@@ -1592,6 +1599,8 @@ bool ViewDependentShadowMap::adjustPerspectiveShadowMapCameraSettings(osgUtil::R
camera->setProjectionMatrix(light_p);
}
#endif
osg::Vec3d eye_v = frustum.eye * light_v;
osg::Vec3d centerNearPlane_v = frustum.centerNearPlane * light_v;
osg::Vec3d center_v = frustum.center * light_v;
@@ -1669,7 +1678,7 @@ bool ViewDependentShadowMap::adjustPerspectiveShadowMapCameraSettings(osgUtil::R
min_z_ratio = convexHull.minRatio(virtual_eye,2);
max_x_ratio = convexHull.maxRatio(virtual_eye,0);
max_z_ratio = convexHull.maxRatio(virtual_eye,2);
#if 1
if (renderStage)
{
osg::ElapsedTime timer;
@@ -1693,7 +1702,7 @@ bool ViewDependentShadowMap::adjustPerspectiveShadowMapCameraSettings(osgUtil::R
if (rli.max_z_ratio>max_z_ratio) max_z_ratio = rli.max_z_ratio;
if (rli.min_z_ratio<min_z_ratio) min_z_ratio = rli.min_z_ratio;
}
#endif
double best_x_ratio = osg::maximum(fabs(min_x_ratio),fabs(max_x_ratio));
double best_z_ratio = osg::maximum(fabs(min_z_ratio),fabs(max_z_ratio));