Magic_Game/core/transitions/FadeTransition.cpp

36 lines
597 B
C++

#include "..\e2dtransition.h"
#include "..\e2dobject.h"
e2d::FadeTransition::FadeTransition(float duration)
: Transition(duration)
{
}
void e2d::FadeTransition::Init(Scene * prev, Scene * next)
{
Transition::Init(prev, next);
out_layer_param_.opacity = 1;
in_layer_param_.opacity = 0;
}
void e2d::FadeTransition::Update()
{
Transition::Update();
if (delta_ < 0.5)
{
out_layer_param_.opacity = 1 - delta_ * 2;
in_layer_param_.opacity = 0;
}
else
{
out_layer_param_.opacity = 0;
in_layer_param_.opacity = (delta_ - 0.5f) * 2;
if (delta_ >= 1)
{
this->Stop();
}
}
}