GitHub - CarloNicolini/OpenGL-CameraCalibration: A C++ class to help computation of OpenGL projection and modelview matrices starting from points 2D-3D correspondencies
GitHub - jorgonz/OpenGL_Example_Camera_Class: Example of a Camera class using Modern OpenGL in C++ with Codeblocks
![Interactive Techniques in Three-dimensional Scenes (Part 1): Moving 3D Objects with the Mouse using OpenGL 2.1 - CodeProject Interactive Techniques in Three-dimensional Scenes (Part 1): Moving 3D Objects with the Mouse using OpenGL 2.1 - CodeProject](https://www.codeproject.com/KB/openGL/TranslationController/image001.jpg)