ColorVertex updateColor(ColorVertex v)
{
	float rat;
	if (day)
	{
		rat = max(D3DXVec3Dot(&v._normal, &pNormSun), -1) + 1;
	}
	else
	{
		rat = max(D3DXVec3Dot(&v._normal, &pNormMoon), -1) + 1;

	}
	rat /= 2.0;
	rat = min(rat, 1.0);
	rat *= intensity;
	D3DXCOLOR newColor;
	newColor = v._baseColor;
	newColor = newColor * rat;
	newColor.a = 1.0;
	v._color = newColor;
	//v._color = v._color * ratio;


	return v;
}