41 lines
		
	
	
		
			769 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			41 lines
		
	
	
		
			769 B
		
	
	
	
		
			C++
		
	
	
	
| #include "..\eactions.h"
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| #include "..\Win\winbase.h"
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| 
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| e2d::EActionGradual::EActionGradual(float duration)
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| 	: m_fRateOfProgress(0)
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| 	, m_fDuration(0)
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| 	, m_fTotalDuration(duration * 1000)
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| {
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| }
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| 
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| bool e2d::EActionGradual::_isEnd() const
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| {
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| 	return m_fDuration >= m_fTotalDuration;
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| }
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| 
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| void e2d::EActionGradual::_init()
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| {
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| 	EAction::_init();
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| }
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| 
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| bool e2d::EActionGradual::_isDelayEnough()
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| {
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| 	// 判断时间间隔是否足够
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| 	if (GetInterval(m_tLast) > m_nAnimationInterval)
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| 	{
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| 		// 重新记录时间
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| 		m_tLast += milliseconds(m_nAnimationInterval);
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| 		m_fDuration += static_cast<float>(m_nAnimationInterval);
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| 		// 计算动画进度
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| 		m_fRateOfProgress = m_fDuration / m_fTotalDuration;
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| 		return true;
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| 	}
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| 	return false;
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| }
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| 
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| void e2d::EActionGradual::_reset()
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| {
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| 	EAction::_reset();
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| 	m_fDuration = 0;
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| }
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