VARYING vec3 vNormal;
VARYING vec3 vViewVec;

void MAIN()
{
    METALNESS = 0.0;
    ROUGHNESS = 0.1;
    FRESNEL_POWER = 5.0;
    TRANSMISSION_FACTOR = 1.0;
    THICKNESS_FACTOR = 10.0;
    ATTENUATION_COLOR = vec3(1.0, 0.0, 0.0);
    ATTENUATION_DISTANCE = 1.0;
    IOR = 2.5;
}

void AMBIENT_LIGHT()
{
    DIFFUSE += TOTAL_AMBIENT_COLOR;
}