Magic_Game/core/Action/ActionOpacityBy.cpp

40 lines
755 B
C++

#include "..\eactions.h"
e2d::EActionOpacityBy::EActionOpacityBy(float duration, float opacity) :
EActionGradual(duration)
{
m_nVariation = opacity;
}
void e2d::EActionOpacityBy::_init()
{
EActionGradual::_init();
if (m_pTarget)
{
m_nBeginVal = m_pTarget->getOpacity();
}
}
void e2d::EActionOpacityBy::_update()
{
EActionGradual::_update();
if (m_pTarget == nullptr)
{
this->stop();
return;
}
// ÉèÖýڵã͸Ã÷¶È
m_pTarget->setOpacity(m_nBeginVal + m_nVariation * m_fRateOfProgress);
}
e2d::EActionOpacityBy * e2d::EActionOpacityBy::clone() const
{
return new EActionOpacityBy(m_fDuration, m_nVariation);
}
e2d::EActionOpacityBy * e2d::EActionOpacityBy::reverse() const
{
return new EActionOpacityBy(m_fDuration, -m_nVariation);
}