Simulating a spotlight | OpenGL 4 Shading Language Cookbook, Second Edition
Extensible 3D (X3D), ISO/IEC 19775-1:202x, 17 Lighting component
Chapter 7. OpenGL Shading Language API | Manualzz
Spot light shining on a flat surface - Stack Overflow
GLSL spotlight projection volume - Stack Overflow
how to get a spotlight in opengl? - Stack Overflow
Visualization Library: Directional, Point and Spot Lights Tutorial
Texturing and Lighting in OpenGL | 3D Game Engine Programming
OpenGL Projects: Spotlight's attenuation
Creating Light Sources (OpenGL Programming)
GLSL Tutorial – Spotlights » Lighthouse3d.com
OpenGL ES SDK for Android: Shadow Mapping
Modern OpenGL 08 – Even More Lighting: Directional Lights, Spotlights, & Multiple Lights — Tom Dalling
attenuation | Learn OpenGL ES
Transformation and Lighting in Cg | 3D Game Engine Programming
Tutorial 16 : Shadow mapping
How to visualize a spot light in Opengl? - Stack Overflow
Introduction to Computer Graphics, Section 7.2 -- Lighting and Material
A Simple Example: Rendering a Lit Sphere (OpenGL Programming)
Modern OpenGL 08 – Even More Lighting: Directional Lights, Spotlights, & Multiple Lights — Tom Dalling
LearnOpenGL - Light casters
C++ Opengl - lighting using spotlight - Stack Overflow
opengl - spot light moves when camera rotates when using a shader - Stack Overflow
OpenGL learning notes - Lighting
LearnOpenGL - Light casters
LearnOpenGL - Light casters
