public override void Initialize(DeviceContextHolder contextHolder) {
            if (Equals(Kn5Material.GetPropertyValueAByName("isAdditive"), 1.0f)) {
                Flags |= EffectSimpleMaterial.IsAdditive;
            }

            _material = new EffectSimpleMaterial.ReflectiveMaterial {
                FresnelC = Kn5Material.GetPropertyValueAByName("fresnelC"),
                FresnelExp = Kn5Material.GetPropertyValueAByName("fresnelEXP"),
                FresnelMaxLevel = Kn5Material.GetPropertyValueAByName("fresnelMaxLevel")
            };

            base.Initialize(contextHolder);
        }