   Vertex shader
  problem - I am searching for some usuable tutorial describing vertex shaders, do you know where to find it?  
  google is your friend...  ;  ok, I know, google is our big friend, but in our school (here in Czech republic it is the only modem which I can use) it doesn´t work, it does something like X¡^¢°°kkkkkkDkkkkkkkkkk........ one big THANKS for our God for that it''s able to load Gamedev.  ;  In OpenGL they are called "vertex programs".  Vertex programs are currently only possible through OpenGL extensions.  This may change with OpenGL 2.0.  You have two options: high-level language or low-level language.  For high-level language, I recommend "Cg".  It''s developed and fathered by nVidia, but it will produce code for for just about everything, even Direct3D.For low-level language, I recommend ARB_vertex_program over any of the other extensions.  Here''s the spec:http://oss.sgi.com/projects/ogl-sample/registry/ARB/vertex_program.txtNutty has an example of ARB_vertex_program on his site:http://opengl.nutty.org/  