Magic_Game/Easy2D/v1/Action/ActionScaleBy.cpp

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2017-10-13 11:45:20 +08:00
#include "..\easy2d.h"
#include "..\Win\winbase.h"
ActionScaleBy::ActionScaleBy(float duration, float scaleX, float scaleY) :
Animation(duration)
{
m_nVariationX = scaleX;
m_nVariationY = scaleY;
}
ActionScaleBy::~ActionScaleBy()
{
}
void ActionScaleBy::_init()
{
Animation::_init();
m_nBeginScaleX = m_pTargetSprite->getScaleX();
m_nBeginScaleY = m_pTargetSprite->getScaleY();
}
void ActionScaleBy::_exec(steady_clock::time_point nNow)
{
while (Animation::_isDelayEnough(nNow))
{
// <20><><EFBFBD><EFBFBD><EFBFBD>ƶ<EFBFBD>λ<EFBFBD><CEBB>
float scale = float(m_nDuration) / m_nTotalDuration;
// <20>ƶ<EFBFBD> Sprite
m_pTargetSprite->setScale(m_nBeginScaleX + m_nVariationX * scale, m_nBeginScaleX + m_nVariationX * scale);
// <20>ж϶<D0B6><CFB6><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
if (_isEnd())
{
this->stop();
break;
}
}
}
void ActionScaleBy::_reset()
{
Animation::_reset();
}
ActionScaleBy * ActionScaleBy::copy() const
{
return new ActionScaleBy(m_nAnimationInterval / 1000.0f, m_nVariationX, m_nVariationY);
}
ActionScaleBy * ActionScaleBy::reverse() const
{
return new ActionScaleBy(m_nTotalDuration / 1000.0f, -m_nVariationX, -m_nVariationY);
}