hello, Im making an opengl program where i need to organize data into a tree structure. I wanna visualize this tree structure like in eg. windows Explorer. Does someone know where i can find an existing implementation. I already found some tree structures to use with MFC, but my program is set up as an opengl window. So I cant use MFC drawing commands. Modifying this existing structure is too complex.
Or is it possible to use MFC drawing commands in an opengl window ? I mean a CDC object to draw lines and stuff.
I have looked at GLUI and I do not find any documentation of how trees are implemented in OpenGL. I am aware that OpenGL is not designed for 2D widgets like that and that I should use something like MFC or .Net, but I have to implement a 2D touch screen in a 3D virtual environment world and the only option I have is to implement in OpenGL. Do anyone have any idea of where to point to? I have looked at the rollouts in GLUI, but that isn't close enough to what I am looking for.Originally Posted by Raketman
Look for CEGUI. It seems to support everything, even tree controls.
There is a screenshot of one here :
http://blog.cjohnson.id.au/game-deve...rted-to-cegui/
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Sig: http://glhlib.sourceforge.net
an open source GLU replacement library. Much more modern than GLU.
float matrix[16], inverse_matrix[16];
glhLoadIdentityf2(matrix);
glhTranslatef2(matrix, 0.0, 0.0, 5.0);
glhRotateAboutXf2(matrix, angleInRadians);
glhScalef2(matrix, 1.0, 1.0, -1.0);
glhQuickInvertMatrixf2(matrix, inverse_matrix);
glUniformMatrix4fv(uniformLocation1, 1, FALSE, matrix);
glUniformMatrix4fv(uniformLocation2, 1, FALSE, inverse_matrix);
This looks promising, thank you. I'll come back and let everyone know whether this works for my specific situation.
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