PhongMaterial.cs

using System;
using Waher.Script.Abstraction.Elements;
using Waher.Script.Exceptions;
using Waher.Script.Model;
using Waher.Script.Objects;
 
namespace Waher.Script.Graphs3D.Functions.Shading
{
    public class PhongMaterial : FunctionMultiVariate
    {
        public PhongMaterial(ScriptNode AmbientReflectionConstant,
            ScriptNode DiffuseReflectionConstant, ScriptNode SpecularReflectionConstant,
            ScriptNode Shininess, int Start, int Length, Expression Expression)
            : base(new ScriptNode[] { AmbientReflectionConstant, DiffuseReflectionConstant, SpecularReflectionConstant, Shininess},
                  argumentTypes4Scalar, Start, Length, Expression)
        {
        }
 
        public override string FunctionName => nameof(PhongMaterial);
 
        public override string[] DefaultArgumentNames => new string[] 
        {
            "AmbientReflectionConstant",
            "DiffuseReflectionConstant",
            "SpecularReflectionConstant",
            "Shininess"
        };
 
        public override IElement Evaluate(IElement[] Arguments, Variables Variables)
        {
            return new ObjectValue(new Graphs3D.PhongMaterial(
                (float)Expression.ToDouble(Arguments[0].AssociatedObjectValue),
                (float)Expression.ToDouble(Arguments[1].AssociatedObjectValue),
                (float)Expression.ToDouble(Arguments[2].AssociatedObjectValue),
                (float)Expression.ToDouble(Arguments[3].AssociatedObjectValue)));
        }
    }
}