GLSL tutorial 4 - vertex.vs

//http://www.youtube.com/user/thecplusplusguy
//GLSL tutorial - per-fragment (per-pixel lighting)
//vertex.vs
#version 120
varying vec3 position;
varying vec3 normal;

void main()
{
    gl_Position=gl_ModelViewProjectionMatrix*gl_Vertex; //output position with projection
    position=vec3(gl_ModelViewMatrix*gl_Vertex);    //get the position of the vertex after translation, rotation, scaling
    normal=gl_NormalMatrix*gl_Normal;   //get the normal direction, after translation, rotation, scaling
}