public F FS(V2F v)
{
return(new F()
{
Color = Tex.Value(v.UV)
});
}
public F FS(V2F v)
{
F o = new F();
foreach (PointLight item in Lighting.PointLights)
{
Vector3 i = item.Position - v.WorldPosition;
Vector3 re = Vector3.Normalize(ShaderMath.GetReflection(i, v.Normal));
Vector3 view = Vector3.Normalize(Matrixs.CameraPosition - v.WorldPosition);
Vector3 h = Vector3.Normalize(view + i);
//Phong
//o.Color += ShaderMath.ColorMul(item.Color, Spscular) * MathF.Pow(ShaderMath.Max(0, Vector3.Dot(re, view)), Gloss);
//Blinn-Phong
o.Color += ShaderMath.ColorMul(item.Color, Spscular) * MathF.Pow(ShaderMath.Max(0, Vector3.Dot(v.Normal, h)), Gloss);
//Diffuse
o.Color += item.Color * Diffuse * ShaderMath.Max(0, Vector3.Dot(v.Normal, i));
}
o.Color += Lighting.AmbientColor;
return(o);
}
