55 lines
965 B
C++
55 lines
965 B
C++
#include "..\eactions.h"
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e2d::EActionOpacityBy::EActionOpacityBy(float duration, float opacity) :
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EActionGradual(duration)
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{
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m_nVariation = opacity;
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}
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void e2d::EActionOpacityBy::_init()
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{
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EActionGradual::_init();
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if (m_pTarget)
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{
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m_nBeginVal = m_pTarget->getOpacity();
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}
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}
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void e2d::EActionOpacityBy::_callOn()
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{
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EAction::_callOn();
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if (m_pTarget == nullptr)
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{
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this->stop();
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return;
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}
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while (EActionGradual::_isDelayEnough())
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{
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// 设置节点透明度
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m_pTarget->setOpacity(m_nBeginVal + m_nVariation * m_fRateOfProgress);
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// 判断动作是否结束
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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 e2d::EActionOpacityBy::_reset()
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{
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EActionGradual::_reset();
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}
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e2d::EActionOpacityBy * e2d::EActionOpacityBy::clone() const
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{
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return new EActionOpacityBy(m_fTotalDuration / 1000, m_nVariation);
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}
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e2d::EActionOpacityBy * e2d::EActionOpacityBy::reverse() const
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{
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return new EActionOpacityBy(m_fTotalDuration / 1000, -m_nVariation);
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} |