OpenGL is a powerful library for rendering 2D and 3D graphics on various platforms, including Linux. In this tutorial, we will cover the process of putting objects in an OpenGL scene on Linux using the C++ programming language and GLSL shaders.

Step 1: Set Up Your Development Environment

Before you can start putting objects in an OpenGL scene, you need to set up your development environment. Make sure you have a C++ compiler and the necessary OpenGL libraries installed on your Linux system. You may also want to use an Integrated Development Environment (IDE) such as Visual Studio Code or Eclipse for writing and compiling your code.

Step 2: Create a Window

To begin, create a window where you will render your OpenGL scene. You can use a library like GLFW to create a window and manage user input. Initialize the OpenGL context and set up the viewport to match the size of the window.

Step 3: Load 3D Object Data

Next, you'll need to load the data for the 3D object you want to render. This may include vertex positions, texture coordinates, and normals. You can use a 3D modeling tool such as Blender to create and export this data in a compatible format, such as Wavefront OBJ.

Step 4: Create Shader Programs

In OpenGL, you'll need to write shader programs in GLSL (OpenGL Shading Language) to define how the 3D object will be rendered. Write vertex and fragment shaders that specify how the vertex data will be processed and how the fragments will be colored.

Step 5: Render the Object

Now that you have the object data and shader programs, you can render the 3D object in the OpenGL scene. Bind the object data to the OpenGL context, set up the shader programs, and issue draw calls to render the object onto the screen.

Step 6: Manage User Input

Finally, you can add user input controls to manipulate the 3D object in the OpenGL scene. This may involve handling keyboard and mouse input to rotate, scale, or move the object within the scene.

By following these steps, you can successfully put objects in an OpenGL scene on Linux. Throughout this process, be sure to refer to the official OpenGL documentation and other online resources for additional guidance and support.