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This commit is contained in:
Robert Osfield
2012-03-21 17:36:20 +00:00
parent 1e35f8975d
commit 14a563dc9f
1495 changed files with 21873 additions and 21873 deletions
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36
include/osgShadow/MinimalShadowMap
View File

@@ -1,13 +1,13 @@
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*
* ViewDependentShadow codes Copyright (C) 2008 Wojciech Lewandowski
@@ -21,7 +21,7 @@
namespace osgShadow {
class OSGSHADOW_EXPORT MinimalShadowMap : public StandardShadowMap
class OSGSHADOW_EXPORT MinimalShadowMap : public StandardShadowMap
{
public :
/** Convenient typedef used in definition of ViewData struct and methods */
@@ -34,7 +34,7 @@ class OSGSHADOW_EXPORT MinimalShadowMap : public StandardShadowMap
/** Classic OSG cloning constructor */
MinimalShadowMap(
const MinimalShadowMap& msm,
const MinimalShadowMap& msm,
const osg::CopyOp& copyop=osg::CopyOp::SHALLOW_COPY);
/** Declaration of standard OSG object methods */
@@ -69,7 +69,7 @@ class OSGSHADOW_EXPORT MinimalShadowMap : public StandardShadowMap
( ShadowReceivingCoarseBoundAccuracy accuracy )
{ _shadowReceivingCoarseBoundAccuracy = accuracy; }
ShadowReceivingCoarseBoundAccuracy
ShadowReceivingCoarseBoundAccuracy
getShadowReceivingCoarseBoundAccuracy() const
{ return _shadowReceivingCoarseBoundAccuracy; }
@@ -77,25 +77,25 @@ class OSGSHADOW_EXPORT MinimalShadowMap : public StandardShadowMap
/** Classic protected OSG destructor */
virtual ~MinimalShadowMap(void);
protected:
protected:
// Matrix modellingSpaceToWorld and its inverse
// are used to define Modelling Space where shadowed scene drawables
// have minimal (smallest possible extent) bounding boxes.
// Computing visible shadow range in this space
// Computing visible shadow range in this space
// allows for optimal use of ShadowMap resolution.
// By default it is set to identity ie computations are in world space.
// But it should be set to ElipsoidModel::localToWorld
// But it should be set to ElipsoidModel::localToWorld
// when scene objects are put on earth ellipsoid surface.
// Other scenarios are also possible for example when models are
// Other scenarios are also possible for example when models are
// built in XZY space which would require identity matrix with swapped colums
osg::Matrix _modellingSpaceToWorld;
float _maxFarPlane;
float _minLightMargin;
ShadowReceivingCoarseBoundAccuracy _shadowReceivingCoarseBoundAccuracy;
float _minLightMargin;
ShadowReceivingCoarseBoundAccuracy _shadowReceivingCoarseBoundAccuracy;
struct OSGSHADOW_EXPORT ViewData: public BaseClass::ViewData
{
@@ -115,7 +115,7 @@ class OSGSHADOW_EXPORT MinimalShadowMap : public StandardShadowMap
virtual void cullShadowReceivingScene( );
virtual void aimShadowCastingCamera(
virtual void aimShadowCastingCamera(
const osg::BoundingSphere &bounds,
const osg::Light *light,
const osg::Vec4 &worldLightPos,
@@ -131,13 +131,13 @@ class OSGSHADOW_EXPORT MinimalShadowMap : public StandardShadowMap
virtual void frameShadowCastingCamera
( const osg::Camera* cameraMain, osg::Camera* cameraShadow, int pass = 1 );
void cutScenePolytope( const osg::Matrix & matrix,
void cutScenePolytope( const osg::Matrix & matrix,
const osg::Matrix & inverse,
const osg::BoundingBox &bb =
const osg::BoundingBox &bb =
osg::BoundingBox(-1,-1,-1,1,1,1) );
osg::BoundingBox computeScenePolytopeBounds
( const osg::Matrix & m = *(osg::Matrix*)(NULL) );
( const osg::Matrix & m = *(osg::Matrix*)(NULL) );
// Utility methods for adjusting projection matrices