Dreamstate Coding: OpenGL 4 with OpenTK in C# Part 15: Object picking by mouse
Program to draw circles using mouse moves in OpenGL - GeeksforGeeks
OpenGL and GLUT Tutorial
Tutorial #0: your first custom engine on C++ and OpenGL : r/VoxelGameDev
GitHub - opentk/opentk: The Open Toolkit library is a fast, low-level C# wrapper for OpenGL, OpenAL & OpenCL. It also includes windowing, mouse, keyboard and joystick input and a robust and fast