45 lines
750 B
C++
45 lines
750 B
C++
#include "..\ebase.h"
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#include "..\etransitions.h"
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e2d::ETransition::ETransition(float duration)
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: m_bEnd(false)
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, m_fLast(0)
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, m_fRateOfProgress(0)
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, m_pPrevScene(nullptr)
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, m_pNextScene(nullptr)
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{
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m_fDuration = max(duration, 0);
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}
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bool e2d::ETransition::isEnding()
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{
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return m_bEnd;
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}
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void e2d::ETransition::_calcRateOfProgress()
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{
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// 判断时间间隔是否足够
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if (m_fDuration == 0)
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{
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m_fRateOfProgress = 1;
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return;
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}
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// 计算动画进度
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m_fRateOfProgress = min((ETime::getTotalTime() - m_fLast) / m_fDuration, 1);
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}
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void e2d::ETransition::_stop()
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{
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m_bEnd = true;
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_reset();
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}
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void e2d::ETransition::_setTarget(EScene * prev, EScene * next)
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{
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m_fLast = ETime::getTotalTime();
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m_pPrevScene = prev;
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m_pNextScene = next;
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_init();
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}
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