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