3d normal map not working correctly in Three.js...

Specular lighting appears on both eye-facing and rear sides of object...

Phong Shading vs Tessellation...

Texture mapping with phong lighting...

Strange specular results from GLSL phong shader...

Matlab calculate reflection of Vector...

Computing the Reflection Vector with Directional Light source...

OpenGL 3.x Assimp trouble implementing phong shading (normals?)...