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

namespace SHADE_Scripting.UI
{

    public enum EASING_METHOD
    {
        EASE_IN_SINE,
        EASE_OUT_SINE,
    }

    public static class EasingHelper
    {

        public static float EaseHelp(float value, EASING_METHOD method)
        {
            switch (method)
            {
                case EASING_METHOD.EASE_IN_SINE:
                    {
                        return EaseInSine(value);
                    }break;
                case EASING_METHOD.EASE_OUT_SINE:
                    {
                        return EaseOutSine(value);
                    }break;

                default:
                    return 0.0f;
            }
        }

        private static float EaseInSine(float value)
        {
            return (float)(1.0f - Math.Cos((value * Math.PI) / 2.0f));
        }

        private static float EaseOutSine(float value)
        {
            return (float)(1.0f - Math.Sin(value * Math.PI) / 2.0f);
        }

    }
}