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Basic Lighting And Materials // OpenGL Tutorial #19

In this video I will introduce you to a basic lighting model in OpenGL called the 'Phong Reflection Model'. We will review the components of this model and implement ambient lighting. We will also start adding material support to our basic mesh and a base light class that we will expand over the course of the next few episodes. The model of the demo in this tutorial is https://polyhaven.com/a/wine_barrel_01 by James Ray Cock. Make sure to watch all the previous tutorials in the "OpenGL For Beginners" playlist at    • OpenGL for Beginners   Please visit https://ogldev.org to see more of my tutorials on modern OpenGL. Link to source: https://github.com/emeiri/ogldev/blob... If you want to get the same version that was used in the video checkout the tag TUT_19_MATERIALS. OpenGL 4.6 specification: https://www.khronos.org/registry/Open... Timecodes: 0:00 Intro 0:57 Phong Reflection Model 1:38 Diffuse lighting 2:59 Specular lighting 3:43 Ambient lighting 4:55 Materials 6:40 Todo list 7:33 The lighting equation 9:52 Code review 10:08 The Technique class 11:18 The LightingTechnique class 13:56 Changes to the main application code 14:51 The light source 15:26 The material 18:15 The fragment shader 19:01 Handling uniforms of structures 19:56 The demo model 20:45 The format of OBJ material files 21:35 Test the code 22:12 Fix the Assimp import problem 22:33 A couple of experiments 23:00 Conclusion Feel free to comment below. Email: [email protected] Facebook:   / ogldev-188319114585587   GIthub: https://github.com/emeiri/ogldev.git Twitter: @ogldev One time donations (Paypal): https://ogldev.org/donate.html Patreon:   / ogldev   My gear (Amazon affiliate links): Camera - Canon EOS M50: https://amzn.to/3duVIOh Camera mic - Rode Videomic: https://amzn.to/3dsGVDs Desktop mic - Rode NT-USB-Mini: https://amzn.to/3giMoif Credits: Image: https://computingthehumanexperience.c... Music: "Photo Album" from https://bensound.com Enjoy, Etay Meiri #opengl #ogldev #opengtutorials