54 lines
974 B
C++
54 lines
974 B
C++
|
#include "..\easy2d.h"
|
|||
|
|
|
|||
|
|
ActionOpacityBy::ActionOpacityBy(float duration, float opacity) :
|
|||
|
|
Animation(duration)
|
|||
|
|
{
|
|||
|
|
m_nVariation = opacity;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
ActionOpacityBy::~ActionOpacityBy()
|
|||
|
|
{
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void ActionOpacityBy::_init()
|
|||
|
|
{
|
|||
|
|
Animation::_init();
|
|||
|
|
m_nBeginVal = m_pParent->getOpacity();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
bool ActionOpacityBy::_exec(LARGE_INTEGER nNow)
|
|||
|
|
{
|
|||
|
|
if (m_bStop) return true;
|
|||
|
|
if (!m_bRunning) return false;
|
|||
|
|
|
|||
|
|
while (Animation::_exec(nNow))
|
|||
|
|
{
|
|||
|
|
// <20><><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD>λ<EFBFBD><CEBB>
|
|||
|
|
float scale = float(m_nDuration) / m_nTotalDuration;
|
|||
|
|
// <20>ƶ<EFBFBD> Sprite
|
|||
|
|
m_pParent->setOpacity(m_nBeginVal + m_nVariation * scale);
|
|||
|
|
// <20>ж϶<D0B6><CFB6><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
|
|||
|
|
if (m_nDuration >= m_nTotalDuration)
|
|||
|
|
{
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void ActionOpacityBy::_reset()
|
|||
|
|
{
|
|||
|
|
Animation::_reset();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
ActionOpacityBy * ActionOpacityBy::copy()
|
|||
|
|
{
|
|||
|
|
auto a = new ActionOpacityBy(*this);
|
|||
|
|
a->_reset();
|
|||
|
|
return a;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
ActionOpacityBy * ActionOpacityBy::reverse() const
|
|||
|
|
{
|
|||
|
|
return new ActionOpacityBy(m_nTotalDuration / 1000.0f, -m_nVariation);
|
|||
|
|
}
|