uniform vec4 lightOneDirection;
uniform vec4 lightTwoDirection;

varying vec3 lightOneVector;
varying vec3 lightTwoVector;

varying vec2  textureCoordinate;

varying vec3  viewVector;

varying vec3 normal;

void main(void)
{
   gl_Position = ftransform();

   // Compute the light vector (view space):
   lightOneVector   = -lightOneDirection.xyz;
   lightTwoVector   = -lightTwoDirection.xyz;
   
   // Compute view vector (view space):
   viewVector = -normalize( gl_Position.xyz );  
   
   textureCoordinate = vec2( gl_MultiTexCoord0 );
   
   normal = normalize( gl_Normal * gl_NormalMatrix );
}