FGFS-4.1/OpenSceneGraph
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Added setProjectionMatrix*(), setViewMatrix*() and get*() methods to osgUtil::SceneView.

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This commit is contained in:
Robert Osfield
2003-07-16 22:15:28 +00:00
parent a4b29996fd
commit 2a142c096a
4 changed files with 129 additions and 3 deletions
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83
src/osgUtil/SceneView.cpp
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@@ -797,3 +797,86 @@ void SceneView::clearArea(int x,int y,int width,int height,const osg::Vec4& colo
glClear( GL_COLOR_BUFFER_BIT);
glDisable( GL_SCISSOR_TEST );
}
void SceneView::setProjectionMatrix(const osg::Matrix& matrix)
{
if (!_projectionMatrix) _projectionMatrix = new osg::RefMatrix(matrix);
else _projectionMatrix->set(matrix);
}
void SceneView::setProjectionMatrixAsOrtho(double left, double right,
double bottom, double top,
double zNear, double zFar)
{
setProjectionMatrix(osg::Matrix::ortho(left, right,
bottom, top,
zNear, zFar));
}
void SceneView::setProjectionMatrixAsOrtho2D(double left, double right,
double bottom, double top)
{
setProjectionMatrix(osg::Matrix::ortho2D(left, right,
bottom, top));
}
void SceneView::setProjectionMatrixAsFrustum(double left, double right,
double bottom, double top,
double zNear, double zFar)
{
setProjectionMatrix(osg::Matrix::frustum(left, right,
bottom, top,
zNear, zFar));
}
void SceneView::setProjectionMatrixAsPerspective(double fovy,double aspectRatio,
double zNear, double zFar)
{
setProjectionMatrix(osg::Matrix::perspective(fovy,aspectRatio,
zNear, zFar));
}
void SceneView::getProjectionMatrixAsOrtho(double& left, double& right,
double& bottom, double& top,
double& zNear, double& zFar)
{
if (_projectionMatrix.valid())
{
_projectionMatrix->getOrtho(left, right,
bottom, top,
zNear, zFar);
}
}
void SceneView::getProjectionMatrixAsFrustum(double& left, double& right,
double& bottom, double& top,
double& zNear, double& zFar)
{
if (_projectionMatrix.valid())
{
_projectionMatrix->getFrustum(left, right,
bottom, top,
zNear, zFar);
}
}
void SceneView::setViewMatrix(const osg::Matrix& matrix)
{
if (!_viewMatrix) _viewMatrix = new osg::RefMatrix(matrix);
else _viewMatrix->set(matrix);
}
void SceneView::setViewMatrixAsLookAt(const Vec3& eye,const Vec3& center,const Vec3& up)
{
setViewMatrix(osg::Matrix::lookAt(eye,center,up));
}
void SceneView::getViewMatrixAsLookAt(Vec3& eye,Vec3& center,Vec3& up,float lookDistance)
{
if (_viewMatrix.valid())
{
_viewMatrix->getLookAt(eye,center,up,lookDistance);
}
}