#include "FadeAnimation.h"

FadeAnimation::FadeAnimation()
{
}

FadeAnimation::~FadeAnimation()
{
}
void FadeAnimation::LoadContent(std::string text, std::string path, float posX, float posY, SDL_Renderer *renderer)
{
    Animation::LoadContent(text, path, posX, posY, renderer);
    increase = false;
    fadeSpeed = 0.003f;
}

void FadeAnimation::UnloadContent()
{
    Animation::UnloadContent();
}
void FadeAnimation::Update(SDL_Renderer *renderer)
{
    if (active)
    {
        if (!increase) alpha -= fadeSpeed;
        else alpha += fadeSpeed;

        if (alpha >= 1.0f)
        {
            alpha = 1.0f;
            increase = false;
        }
        else if (alpha <= 0.0f)
        {
            alpha = 0.0f;
            increase = true;
        }
    }
    else
    {
        alpha = 1.0f;
    }
}
void FadeAnimation::Draw(SDL_Renderer *renderer)
{
    Animation::Draw(renderer);
}

void FadeAnimation::setAlpha(float value)
{
    alpha = value;
    if (alpha == 0.0f)
    {
        increase = true;
    }
    else
    {
        increase = false;
    }
}