shaderInit() example

void
shaderSetup()
{
   /* Set defaults */
   vec_set(ambientColor,1,1,1);
   vec_set(diffuseColor,1,1,1);
   vec_set(specularColor,1,1,1);
   shininess = 10;

   /* Get parameters! */
   lookupParamColor("ambientColor",ambientColor);
   lookupParamColor("diffuseColor",diffuseColor);
   lookupParamColor("specularColor",specularColor);
   lookupParamFloat("shininess",&shininess);

   /* Set which shader to use */
   theShader = myShader;
}