public RefractionBsdfNode(string name) : base(ShaderNodeType.Refraction, name) { inputs = new RefractionBsdfInputs(this); outputs = new RefractionBsdfOutputs(this); Distribution = RefractionDistribution.Beckmann; ins.IOR.Value = 1.45f; ins.Roughness.Value = 0.0f; ins.Color.Value = new float4(0.8f); }