Introduction to Computer Graphics, Section 7.2 -- Lighting and Material
OpenGL Development Cookbook
opengl - GLSL spotlight projection volume - Stack Overflow
Two cubes rendered with identical OpenGL spotlight enabled. | Download Scientific Diagram
How lighting works - OpenGL Wiki
Introduction to Computer Graphics, Section 7.2 -- Lighting and Material
C++ OpenGL Tutorial - 39 - Spot Light Shadows - YouTube
17.) Spotlight - OpenGL 3 - Tutorials - Megabyte Softworks
lighting - Opengl - SpotLight shadow map issue - Game Development Stack Exchange
Spot light intensity behavior OpenGL : r/GraphicsProgramming
OpenGL Projects: Spotlight's attenuation
LearnOpenGL - Light casters
Light Setting in OpenGL – Graphic Design for Beginners
GLSL Tutorial – Spotlights » Lighthouse3d.com
Visualization Library: Directional, Point and Spot Lights Tutorial
opengl - How to create a 2D spotlight? - Stack Overflow
Unity - Manual: Light troubleshooting and performance
Tutorial 16 : Shadow mapping
Light Setting in OpenGL – Graphic Design for Beginners
OpenGL 4.0 Shading Language Cookbook
