38 lines
671 B
C++
38 lines
671 B
C++
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#include "..\easy2d.h"
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Animation::Animation(float duration)
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{
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m_nDuration = 0;
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m_nTotalDuration = UINT(duration * 1000);
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}
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Animation::~Animation()
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{
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}
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void Animation::_init()
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{
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// <20><>¼<EFBFBD><C2BC>ǰʱ<C7B0><CAB1>
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QueryPerformanceCounter(&m_nLast);
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}
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bool Animation::_exec(LARGE_INTEGER nNow)
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{
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// <20>ж<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7>㹻
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if (nNow.QuadPart - m_nLast.QuadPart > m_nAnimationInterval.QuadPart)
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{
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ķ<EFBFBD><C4B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD>¼ʱ<C2BC><CAB1>
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m_nLast.QuadPart = nNow.QuadPart - (nNow.QuadPart % m_nAnimationInterval.QuadPart);
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m_nDuration += m_nMilliSeconds;
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return true;
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}
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return false;
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}
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void Animation::_reset()
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{
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m_nDuration = 0;
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// <20><><EFBFBD>¼<EFBFBD>¼<EFBFBD><C2BC>ǰʱ<C7B0><CAB1>
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QueryPerformanceCounter(&m_nLast);
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}
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