OpenGL Learning

Songho : Excellent Presentations of OpenGL Basics

• http://www.songho.ca/index.html

Experience

• https://www.opengl.org/wiki/Common_Mistakes

Z Depth, Framebuffer

• http://www.sjbaker.org/steve/omniv/love_your_z_buffer.html
• http://www.glprogramming.com/red/chapter10.html
• http://www.opengl.org/archives/resources/faq/technical/depthbuffer.htm
• http://opengl.czweb.org/ch15/479-481.html
• http://www.opensg.org/projects/opensg/wiki/HDI/HugeScenes

Lighting

• http://www.opengl.org/discussion_boards/showthread.php/168706-Light-Position-in-eye-s-cordinate

Modern GLSL OpenGL

• http://www.arcsynthesis.org/gltut/index.html

gluLookAt

Nice simple example

• http://stackoverflow.com/questions/15289184/glulookat-and-modelview-matrix

Usage examples

Meshlab, messy code : but its does a lot

• http://sourceforge.net/p/meshlab/code/HEAD/tree/trunk/meshlab/src/meshlab/glarea.cpp

Old Style Fixed Pipeline

• http://www.glprogramming.com/red/index.html

Accessing the matrix

• http://www.opengl.org/wiki/Viewing_and_Transformations#How_do_I_get_the_active_MODELVIEW_or_PROJECTION_matrices.3F
• http://stackoverflow.com/questions/9849374/using-glgetfloatv-to-retrieve-the-modelview-matrix-in-pyglet
• http://3dengine.org/main_OpenGL_matrices
• http://3dengine.org/Spectator_(PyOpenGL)