Lighthouse3D is a blog that focuses on 3D graphics programming, specifically using the OpenGL and DirectX APIs. The blog was started in 2001 by António Ramires Fernandes, who has a background in computer graphics and has worked in the video game industry.

The blog covers a wide range of topics related to 3D graphics programming, including tutorials on various programming concepts, tips and tricks for using OpenGL and DirectX, and discussions of current trends in the industry. The blog also includes a number of sample projects that demonstrate different aspects of 3D graphics programming.

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One of the main focuses of the blog is OpenGL programming, and many of the tutorials and articles are geared towards this API. For example, one of the early tutorials on the blog is a series on how to set up an OpenGL window and render a simple triangle on it. This tutorial covers the basic concepts of setting up an OpenGL context, initializing shaders, and rendering a triangle using vertex buffer objects.Another popular series of tutorials on the blog covers lighting and shading in OpenGL.

In addition to tutorials, the blog also includes a number of articles that discuss different aspects of 3D graphics programming. For example, one article discusses the different types of buffers used in modern GPUs, such as color buffers, depth buffers, and stencil buffers.

Lighthouse3D is a blog that focuses on 3D graphics programming, specifically using the OpenGL and DirectX APIs. The blog was started in 2001 by António Ramires Fernandes, who has a background in computer graphics and has worked in the video game industry.

The blog covers a wide range of topics related to 3D graphics programming, including tutorials on various programming concepts, tips and tricks for using OpenGL and DirectX, and discussions of current trends in the industry. The blog also includes a number of sample projects that demonstrate different aspects of 3D graphics programming.

One of the main focuses of the blog is OpenGL programming, and many of the tutorials and articles are geared towards this API. For example, one of the early tutorials on the blog is a series on how to set up an OpenGL window and render a simple triangle on it. This tutorial covers the basic concepts of setting up an OpenGL context, initializing shaders, and rendering a triangle using vertex buffer objects.

Another popular series of tutorials on the blog covers lighting and shading in OpenGL. These tutorials cover topics such as ambient, diffuse, and specular lighting, as well as how to use textures and normal maps to create more realistic lighting effects. The tutorials also cover various shader programming concepts, such as how to write vertex and fragment shaders.

In addition to tutorials, the blog also includes a number of articles that discuss different aspects of 3D graphics programming. For example, one article discusses the different types of buffers used in modern GPUs, such as color buffers, depth buffers, and stencil buffers. Another article discusses the different ways to perform antialiasing in OpenGL, such as multisampling and supersampling.

The blog also includes a number of sample projects that demonstrate different aspects of 3D graphics programming. For example, one sample project is a simple game engine that uses OpenGL for rendering. The engine includes features such as collision detection, particle systems, and support for multiple lights and shadow mapping.Overall, Lighthouse3D is a valuable resource for anyone interested in 3D graphics programming, whether for game development or other applications.