Hi all! I used to set camera->setProjectionMatrix(osg::Matrix::ortho2D(0.0f,1.0f,0.0f,1.0f)); when creating RTT-Cameras.
In my SSAO-Module I need to retrieve the projection matrix but if (cam->getProjectionMatrixAsOrtho(left,right,bottom,top,zNear,zFar)) ... seems to return true but the values retrieved look strange. So two questions: 1) Do I have to assign osg::Matrix::ortho insted to RTT-Cameras? What is the difference? 2) Can I retrieve correct values when ortho2D is used? Many thanks for any assistance. - Werner -
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