Magic_Game/core/Action/OpacityBy.cpp

39 lines
661 B
C++

#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->getOpacity();
}
}
void e2d::OpacityBy::_update()
{
FiniteTimeAction::_update();
if (_target)
{
_target->setOpacity(_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);
}