Magic_Game/core/Action/ScaleBy.cpp

49 lines
847 B
C++

#include "..\e2daction.h"
e2d::ScaleBy::ScaleBy(double duration, double scale)
: ActionGradual(duration)
{
_deltaX = scale;
_deltaY = scale;
}
e2d::ScaleBy::ScaleBy(double duration, double scaleX, double scaleY)
: ActionGradual(duration)
{
_deltaX = scaleX;
_deltaY = scaleY;
}
void e2d::ScaleBy::_init()
{
ActionGradual::_init();
if (_target)
{
_startScaleX = _target->getScaleX();
_startScaleY = _target->getScaleY();
}
}
void e2d::ScaleBy::_update()
{
ActionGradual::_update();
if (_target == nullptr)
{
this->stop();
return;
}
_target->setScale(_startScaleX + _deltaX * _delta, _startScaleY + _deltaY * _delta);
}
e2d::ScaleBy * e2d::ScaleBy::clone() const
{
return new ScaleBy(_duration, _deltaX, _deltaY);
}
e2d::ScaleBy * e2d::ScaleBy::reverse() const
{
return new ScaleBy(_duration, -_deltaX, -_deltaY);
}