FGFS-4.1/OpenSceneGraph
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Added support for CameraView into NodeVistor, and support for CameraNode and CameraView

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into the AnimationPathCallback so you can now animate both via animation paths.
This commit is contained in:
Robert Osfield
2005-10-05 09:48:53 +00:00
parent cf2974329f
commit 4b43b22c5a
2 changed files with 36 additions and 1 deletions
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4
include/osg/NodeVisitor
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@@ -39,6 +39,7 @@ class Switch;
class TexGenNode;
class Transform;
class CameraNode;
class CameraView;
/** Visitor for type safe operations on osg::Nodes.
Based on GOF's Visitor pattern. The NodeVisitor
@@ -234,7 +235,8 @@ class OSG_EXPORT NodeVisitor : public virtual Referenced
virtual void apply(LightSource& node) { apply((Group&)node); }
virtual void apply(Transform& node) { apply((Group&)node); }
virtual void apply(CameraNode& node) { apply((Group&)node); }
virtual void apply(CameraNode& node) { apply((Transform&)node); }
virtual void apply(CameraView& node) { apply((Transform&)node); }
virtual void apply(MatrixTransform& node) { apply((Transform&)node); }
virtual void apply(PositionAttitudeTransform& node) { apply((Transform&)node); }

33
src/osg/AnimationPath.cpp
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@@ -13,6 +13,8 @@
#include <osg/AnimationPath>
#include <osg/MatrixTransform>
#include <osg/PositionAttitudeTransform>
#include <osg/CameraNode>
#include <osg/CameraView>
#include <osg/io_utils>
using namespace osg;
@@ -122,6 +124,37 @@ class AnimationPathCallbackVisitor : public NodeVisitor
_pivotPoint(pivotPoint),
_useInverseMatrix(useInverseMatrix) {}
virtual void apply(CameraNode& camera)
{
Matrix matrix;
if (_useInverseMatrix)
_cp.getInverse(matrix);
else
_cp.getMatrix(matrix);
camera.setViewMatrix(osg::Matrix::translate(-_pivotPoint)*matrix);
}
virtual void apply(CameraView& cv)
{
if (_useInverseMatrix)
{
Matrix matrix;
_cp.getInverse(matrix);
cv.setPosition(matrix.getTrans());
cv.setAttitude(_cp.getRotation().inverse());
cv.setFocalLength(1.0f/_cp.getScale().x());
}
else
{
cv.setPosition(_cp.getPosition());
cv.setAttitude(_cp.getRotation());
cv.setFocalLength(_cp.getScale().x());
}
}
virtual void apply(MatrixTransform& mt)
{
Matrix matrix;