using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Aiwaz.Common.Animations
{
    public class CosineValueAnimation : ValueAnimation
    {
        public CosineValueAnimation()
            : base()
        {
            AnimationName = "Cosine";
        }

        protected override float Calculate(double NormalizedTime)
        {
            float Interpolant = (float)((1.0 - Math.Cos(NormalizedTime * Math.PI)) / 2.0);
            return (StartValue * (1.0f - Interpolant) + EndValue * Interpolant);
        }
    }
}