Magic_Game/core/Action/OpacityBy.cpp

#include "..\e2daction.h"
#include "..\e2dnode.h"


e2d::OpacityBy::OpacityBy(float duration, float opacity)
	: FiniteTimeAction(duration)
{
	_deltaVal = opacity;
}

void e2d::OpacityBy::_init()
{
	FiniteTimeAction::_init();

	if (_target)
	{
		_startVal = _target->opacity();
	}
}

void e2d::OpacityBy::_update()
{
	FiniteTimeAction::_update();

	if (_target)
	{
		_target->opacity(_startVal + _deltaVal * _delta);
	}
}

e2d::OpacityBy * e2d::OpacityBy::clone() const
{
	return new (e2d::autorelease) OpacityBy(_duration, _deltaVal);
}

e2d::OpacityBy * e2d::OpacityBy::reverse() const
{
	return new (e2d::autorelease) OpacityBy(_duration, -_deltaVal);
}