Turánszki János
60 lines
1.1 KiB
C++
60 lines
1.1 KiB
C++
#pragma once
|
|
#include "CommonInclude.h"
|
|
#include "wiColor.h"
|
|
#include "wiTimer.h"
|
|
#include "wiMath.h"
|
|
|
|
#include <functional>
|
|
|
|
namespace wi
|
|
{
|
|
class FadeManager
|
|
{
|
|
public:
|
|
float opacity = 0;
|
|
float timer = 0;
|
|
float targetFadeTimeInSeconds = 1.0f;
|
|
enum FADE_STATE
|
|
{
|
|
FADE_IN, // no fade -> faded
|
|
FADE_MID, // completely faded
|
|
FADE_OUT, // faded -> no fade
|
|
FADE_FINISHED,
|
|
} state = FADE_FINISHED;
|
|
wi::Color color = wi::Color(0, 0, 0, 255);
|
|
std::function<void()> onFade = [] {};
|
|
bool fadeEventTriggeredThisFrame = false;
|
|
|
|
FadeManager()
|
|
{
|
|
Clear();
|
|
}
|
|
void Clear();
|
|
void Start(float seconds, wi::Color color, std::function<void()> onFadeFunction)
|
|
{
|
|
targetFadeTimeInSeconds = seconds;
|
|
this->color = color;
|
|
timer = 0;
|
|
if (IsFaded())
|
|
{
|
|
// If starting a new fade on mid-fadeout, it will start from faded and just transition out of mid
|
|
state = FADE_MID;
|
|
}
|
|
else
|
|
{
|
|
state = FADE_IN;
|
|
}
|
|
onFade = onFadeFunction;
|
|
}
|
|
void Update(float dt);
|
|
bool IsFaded() const
|
|
{
|
|
return fadeEventTriggeredThisFrame;
|
|
}
|
|
bool IsActive() const
|
|
{
|
|
return state != FADE_FINISHED;
|
|
}
|
|
};
|
|
}
|