public struct AllPossibleShaderParameters

{

    public float A;

    public float B;

    public float C;

}

​

public abstract class Settings

{

    public abstract AllPossibleShaderParameters IntoShaderParameters(float t);

}

​

public sealed class SettingsUsingAAndB : Settings

{

    public override AllPossibleShaderParameters IntoShaderParameters(float t)

    {

        return new AllPossibleShaderParameters

        {

            A = t,

            B = t,

            C = 0.0f

        };

    }

}

​

public sealed class SettingsUsingA : Settings

{

    public override AllPossibleShaderParameters IntoShaderParameters(float t)

    {

        return new AllPossibleShaderParameters

        {

            A = t,

            B = 0.0f,

            C = 0.0f

        };

    }

}

​

public sealed class SettingsUsingBAndC : Settings

{

    public override AllPossibleShaderParameters IntoShaderParameters(float t)

    {

        return new AllPossibleShaderParameters

        {

            A = 0.0f,

            B = t,

            C = t

        };

    }

}

​

public class Program

{

    public static void ApplyShaderParameters(AllPossibleShaderParameters parameters)

    {

        System.Console.WriteLine($"Applying shader parameters : ({parameters.A}, {parameters.B}, {parameters.C})");

    }

    public static void Main(string[] args)

    {

        ApplyShaderParameters(new SettingsUsingA().IntoShaderParameters(5.0f));

        ApplyShaderParameters(new SettingsUsingAAndB().IntoShaderParameters(5.0f));

        ApplyShaderParameters(new SettingsUsingBAndC().IntoShaderParameters(5.0f));

    }

}