How to download and setup Opengl-Playground
Open terminal and run command
                                            git clone https://github.com/csuft/Opengl-Playground.git
                                        
                                        git clone is used to create a copy or clone of Opengl-Playground repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with Opengl-Playground https://github.com/csuft/Opengl-Playground/archive/master.zip
Or simply clone Opengl-Playground with SSH
                                            [email protected]:csuft/Opengl-Playground.git                                    
                                    If you have some problems with Opengl-Playground
You may open issue on Opengl-Playground support forum (system) here: https://github.com/csuft/Opengl-Playground/issuesSimilar to Opengl-Playground repositories
Here you may see Opengl-Playground alternatives and analogs
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