public TexturedMaterial(Assimp.Material m, string materialDirectory)
: this()
{
Diffuse = m.ColorDiffuse.ToNETColor();
Specular = m.ColorSpecular.ToNETColor();
//Ambient = m.ColorAmbient.ToNETColor();
Emissive = m.ColorEmissive.ToNETColor();
textureSlots = new List<Assimp.TextureSlot>(m.GetAllTextures());
LoadTextures(materialDirectory);
}