Magic_Game/core/actions/ScaleBy.cpp

48 lines
862 B
C++

#include "..\e2daction.h"
#include "..\e2dobject.h"
e2d::ScaleBy::ScaleBy(float duration, float scale)
: FiniteTimeAction(duration)
{
delta_x_ = scale;
delta_y_ = scale;
}
e2d::ScaleBy::ScaleBy(float duration, float scale_x, float scale_y)
: FiniteTimeAction(duration)
{
delta_x_ = scale_x;
delta_y_ = scale_y;
}
void e2d::ScaleBy::Init()
{
FiniteTimeAction::Init();
if (target_)
{
start_scale_x_ = target_->GetScaleX();
start_scale_y_ = target_->GetScaleY();
}
}
void e2d::ScaleBy::Update()
{
FiniteTimeAction::Update();
if (target_)
{
target_->SetScale(start_scale_x_ + delta_x_ * delta_, start_scale_y_ + delta_y_ * delta_);
}
}
e2d::ScaleBy * e2d::ScaleBy::Clone() const
{
return new ScaleBy(duration_, delta_x_, delta_y_);
}
e2d::ScaleBy * e2d::ScaleBy::Reverse() const
{
return new ScaleBy(duration_, -delta_x_, -delta_y_);
}