Phong Reflection Model - Shading and Lighting

Deep dive into Phong Reflection Model. Ever wondered what 'Diffuse' in Diffuse Light stands for? What other parts of lights are used in the most basic model? We'll go through it this time with our assistant Purple Ball Made of Triangles. We'll cover Diffuse, Specular and Ambient Light, Lambertian approach, but also Flat, Gouraud and Phong Shading