#pragma once

#include <math.h>
#include "helpers.hpp"

namespace asloengine
{

    class Animation
    {

        public:
            enum Function
            {
                LINEAR, EASE_IN, EASE_OUT, EASE_IN_OUT
            };

            Animation(Function _function, float _start_value, float _end_value, float _duration);

            void reset(Function _function, float _start_value, float _end_value, float _duration);
            float animate(float delta_time);

        protected:
            Function function;
            float start_value;
            float current_value;
            float end_value;
            float time;
            float duration;

            float calculate_linear();
            float calculate_ease_in();
            float calculate_ease_out();
            float calculate_ease_in_out();

    };

}