Magic_Game/core/actions/OpacityBy.cpp

39 lines
627 B
C++

#include "..\e2daction.h"
#include "..\e2dobject.h"
e2d::OpacityBy::OpacityBy(float duration, float opacity)
: FiniteTimeAction(duration)
{
delta_val_ = opacity;
}
void e2d::OpacityBy::Init()
{
FiniteTimeAction::Init();
if (target_)
{
start_val_ = target_->GetOpacity();
}
}
void e2d::OpacityBy::Update()
{
FiniteTimeAction::Update();
if (target_)
{
target_->SetOpacity(start_val_ + delta_val_ * delta_);
}
}
e2d::OpacityBy * e2d::OpacityBy::Clone() const
{
return new OpacityBy(duration_, delta_val_);
}
e2d::OpacityBy * e2d::OpacityBy::Reverse() const
{
return new OpacityBy(duration_, -delta_val_);
}